feat(payment): add complete payment system with multi-provider support

Add a full payment and subscription system supporting EasyPay (Alipay/WeChat),
Stripe, and direct Alipay/WeChat Pay providers with multi-instance load balancing.

.github/audit-exceptions.yml

@@ -28,3 +28,10 @@ exceptions:
     mitigation: "No user-controlled template strings; plan to migrate to native JS alternatives"
     expires_on: "2026-07-02"
     owner: "security@your-domain"
+  - package: axios
+    advisory: "GHSA-3p68-rc4w-qgx5"
+    severity: critical
+    reason: "NO_PROXY bypass not exploitable; all API calls go to known endpoints via server-side proxy"
+    mitigation: "Proxy configuration not user-controlled; upgrade when axios releases fix"
+    expires_on: "2026-07-10"
+    owner: "security@your-domain"

backend/cmd/server/wire.go

@@ -13,6 +13,7 @@ import (
 	"github.com/Wei-Shaw/sub2api/ent"
 	"github.com/Wei-Shaw/sub2api/internal/config"
 	"github.com/Wei-Shaw/sub2api/internal/handler"
+	"github.com/Wei-Shaw/sub2api/internal/payment"
 	"github.com/Wei-Shaw/sub2api/internal/repository"
 	"github.com/Wei-Shaw/sub2api/internal/server"
 	"github.com/Wei-Shaw/sub2api/internal/server/middleware"
@@ -41,6 +42,13 @@ func initializeApplication(buildInfo handler.BuildInfo) (*Application, error) {
 		// Server layer ProviderSet
 		server.ProviderSet,
 
+		// Payment providers
+		payment.ProvideRegistry,
+		payment.ProvideEncryptionKey,
+		payment.ProvideDefaultLoadBalancer,
+		service.ProvidePaymentConfigService,
+		service.ProvidePaymentOrderExpiryService,
+
 		// Privacy client factory for OpenAI training opt-out
 		providePrivacyClientFactory,
 
@@ -95,6 +103,7 @@ func provideCleanup(
 	openAIGateway *service.OpenAIGatewayService,
 	scheduledTestRunner *service.ScheduledTestRunnerService,
 	backupSvc *service.BackupService,
+	paymentOrderExpiry *service.PaymentOrderExpiryService,
 ) func() {
 	return func() {
 		ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
@@ -237,6 +246,12 @@ func provideCleanup(
 				}
 				return nil
 			}},
+			{"PaymentOrderExpiryService", func() error {
+				if paymentOrderExpiry != nil {
+					paymentOrderExpiry.Stop()
+				}
+				return nil
+			}},
 		}
 
 		infraSteps := []cleanupStep{

backend/cmd/server/wire_gen.go

@@ -12,6 +12,7 @@ import (
 	"github.com/Wei-Shaw/sub2api/internal/config"
 	"github.com/Wei-Shaw/sub2api/internal/handler"
 	"github.com/Wei-Shaw/sub2api/internal/handler/admin"
+	"github.com/Wei-Shaw/sub2api/internal/payment"
 	"github.com/Wei-Shaw/sub2api/internal/repository"
 	"github.com/Wei-Shaw/sub2api/internal/server"
 	"github.com/Wei-Shaw/sub2api/internal/server/middleware"
@@ -72,6 +73,15 @@ func initializeApplication(buildInfo handler.BuildInfo) (*Application, error) {
 	userService := service.NewUserService(userRepository, apiKeyAuthCacheInvalidator, billingCache)
 	redeemCache := repository.NewRedeemCache(redisClient)
 	redeemService := service.NewRedeemService(redeemCodeRepository, userRepository, subscriptionService, redeemCache, billingCacheService, client, apiKeyAuthCacheInvalidator)
+	registry := payment.ProvideRegistry()
+	encryptionKey, err := payment.ProvideEncryptionKey(configConfig)
+	if err != nil {
+		return nil, err
+	}
+	defaultLoadBalancer := payment.ProvideDefaultLoadBalancer(client, encryptionKey)
+	paymentConfigService := service.ProvidePaymentConfigService(client, settingRepository, encryptionKey)
+	paymentService := service.NewPaymentService(client, registry, defaultLoadBalancer, redeemService, subscriptionService, paymentConfigService, userRepository, groupRepository)
+	paymentOrderExpiryService := service.ProvidePaymentOrderExpiryService(paymentService)
 	secretEncryptor, err := repository.NewAESEncryptor(configConfig)
 	if err != nil {
 		return nil, err
@@ -183,7 +193,7 @@ func initializeApplication(buildInfo handler.BuildInfo) (*Application, error) {
 	geminiMessagesCompatService := service.NewGeminiMessagesCompatService(accountRepository, groupRepository, gatewayCache, schedulerSnapshotService, geminiTokenProvider, rateLimitService, httpUpstream, antigravityGatewayService, configConfig)
 	opsSystemLogSink := service.ProvideOpsSystemLogSink(opsRepository)
 	opsService := service.NewOpsService(opsRepository, settingRepository, configConfig, accountRepository, userRepository, concurrencyService, gatewayService, openAIGatewayService, geminiMessagesCompatService, antigravityGatewayService, opsSystemLogSink)
-	settingHandler := admin.NewSettingHandler(settingService, emailService, turnstileService, opsService)
+	settingHandler := admin.NewSettingHandler(settingService, emailService, turnstileService, opsService, paymentConfigService, paymentService)
 	opsHandler := admin.NewOpsHandler(opsService)
 	updateCache := repository.NewUpdateCache(redisClient)
 	gitHubReleaseClient := repository.ProvideGitHubReleaseClient(configConfig)
@@ -211,7 +221,8 @@ func initializeApplication(buildInfo handler.BuildInfo) (*Application, error) {
 	scheduledTestService := service.ProvideScheduledTestService(scheduledTestPlanRepository, scheduledTestResultRepository)
 	scheduledTestHandler := admin.NewScheduledTestHandler(scheduledTestService)
 	channelHandler := admin.NewChannelHandler(channelService, billingService)
-	adminHandlers := handler.ProvideAdminHandlers(dashboardHandler, adminUserHandler, groupHandler, accountHandler, adminAnnouncementHandler, dataManagementHandler, backupHandler, oAuthHandler, openAIOAuthHandler, geminiOAuthHandler, antigravityOAuthHandler, proxyHandler, adminRedeemHandler, promoHandler, settingHandler, opsHandler, systemHandler, adminSubscriptionHandler, adminUsageHandler, userAttributeHandler, errorPassthroughHandler, tlsFingerprintProfileHandler, adminAPIKeyHandler, scheduledTestHandler, channelHandler)
+	adminPaymentHandler := admin.NewPaymentHandler(paymentService, paymentConfigService)
+	adminHandlers := handler.ProvideAdminHandlers(dashboardHandler, adminUserHandler, groupHandler, accountHandler, adminAnnouncementHandler, dataManagementHandler, backupHandler, oAuthHandler, openAIOAuthHandler, geminiOAuthHandler, antigravityOAuthHandler, proxyHandler, adminRedeemHandler, promoHandler, settingHandler, opsHandler, systemHandler, adminSubscriptionHandler, adminUsageHandler, userAttributeHandler, errorPassthroughHandler, tlsFingerprintProfileHandler, adminAPIKeyHandler, scheduledTestHandler, channelHandler, adminPaymentHandler)
 	usageRecordWorkerPool := service.NewUsageRecordWorkerPool(configConfig)
 	userMsgQueueCache := repository.NewUserMsgQueueCache(redisClient)
 	userMessageQueueService := service.ProvideUserMessageQueueService(userMsgQueueCache, rpmCache, configConfig)
@@ -219,9 +230,11 @@ func initializeApplication(buildInfo handler.BuildInfo) (*Application, error) {
 	openAIGatewayHandler := handler.NewOpenAIGatewayHandler(openAIGatewayService, concurrencyService, billingCacheService, apiKeyService, usageRecordWorkerPool, errorPassthroughService, configConfig)
 	handlerSettingHandler := handler.ProvideSettingHandler(settingService, buildInfo)
 	totpHandler := handler.NewTotpHandler(totpService)
+	handlerPaymentHandler := handler.NewPaymentHandler(paymentService, paymentConfigService, channelService)
+	paymentWebhookHandler := handler.NewPaymentWebhookHandler(paymentService, registry)
 	idempotencyCoordinator := service.ProvideIdempotencyCoordinator(idempotencyRepository, configConfig)
 	idempotencyCleanupService := service.ProvideIdempotencyCleanupService(idempotencyRepository, configConfig)
-	handlers := handler.ProvideHandlers(authHandler, userHandler, apiKeyHandler, usageHandler, redeemHandler, subscriptionHandler, announcementHandler, adminHandlers, gatewayHandler, openAIGatewayHandler, handlerSettingHandler, totpHandler, idempotencyCoordinator, idempotencyCleanupService)
+	handlers := handler.ProvideHandlers(authHandler, userHandler, apiKeyHandler, usageHandler, redeemHandler, subscriptionHandler, announcementHandler, adminHandlers, gatewayHandler, openAIGatewayHandler, handlerSettingHandler, totpHandler, handlerPaymentHandler, paymentWebhookHandler, idempotencyCoordinator, idempotencyCleanupService)
 	jwtAuthMiddleware := middleware.NewJWTAuthMiddleware(authService, userService)
 	adminAuthMiddleware := middleware.NewAdminAuthMiddleware(authService, userService, settingService)
 	apiKeyAuthMiddleware := middleware.NewAPIKeyAuthMiddleware(apiKeyService, subscriptionService, configConfig)
@@ -236,7 +249,7 @@ func initializeApplication(buildInfo handler.BuildInfo) (*Application, error) {
 	accountExpiryService := service.ProvideAccountExpiryService(accountRepository)
 	subscriptionExpiryService := service.ProvideSubscriptionExpiryService(userSubscriptionRepository)
 	scheduledTestRunnerService := service.ProvideScheduledTestRunnerService(scheduledTestPlanRepository, scheduledTestService, accountTestService, rateLimitService, configConfig)
-	v := provideCleanup(client, redisClient, opsMetricsCollector, opsAggregationService, opsAlertEvaluatorService, opsCleanupService, opsScheduledReportService, opsSystemLogSink, schedulerSnapshotService, tokenRefreshService, accountExpiryService, subscriptionExpiryService, usageCleanupService, idempotencyCleanupService, pricingService, emailQueueService, billingCacheService, usageRecordWorkerPool, subscriptionService, oAuthService, openAIOAuthService, geminiOAuthService, antigravityOAuthService, openAIGatewayService, scheduledTestRunnerService, backupService)
+	v := provideCleanup(client, redisClient, opsMetricsCollector, opsAggregationService, opsAlertEvaluatorService, opsCleanupService, opsScheduledReportService, opsSystemLogSink, schedulerSnapshotService, tokenRefreshService, accountExpiryService, subscriptionExpiryService, usageCleanupService, idempotencyCleanupService, pricingService, emailQueueService, billingCacheService, usageRecordWorkerPool, subscriptionService, oAuthService, openAIOAuthService, geminiOAuthService, antigravityOAuthService, openAIGatewayService, scheduledTestRunnerService, backupService, paymentOrderExpiryService)
 	application := &Application{
 		Server:  httpServer,
 		Cleanup: v,
@@ -289,6 +302,7 @@ func provideCleanup(
 	openAIGateway *service.OpenAIGatewayService,
 	scheduledTestRunner *service.ScheduledTestRunnerService,
 	backupSvc *service.BackupService,
+	paymentOrderExpiry *service.PaymentOrderExpiryService,
 ) func() {
 	return func() {
 		ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
@@ -424,6 +438,12 @@ func provideCleanup(
 				}
 				return nil
 			}},
+			{"PaymentOrderExpiryService", func() error {
+				if paymentOrderExpiry != nil {
+					paymentOrderExpiry.Stop()
+				}
+				return nil
+			}},
 		}
 
 		infraSteps := []cleanupStep{

backend/cmd/server/wire_gen_test.go

@@ -75,6 +75,7 @@ func TestProvideCleanup_WithMinimalDependencies_NoPanic(t *testing.T) {
 		nil, // openAIGateway
 		nil, // scheduledTestRunner
 		nil, // backupSvc
+		nil, // paymentOrderExpiry
 	)
 
 	require.NotPanics(t, func() {

backend/ent/ent.go

@@ -20,12 +20,16 @@ import (
 	"github.com/Wei-Shaw/sub2api/ent/errorpassthroughrule"
 	"github.com/Wei-Shaw/sub2api/ent/group"
 	"github.com/Wei-Shaw/sub2api/ent/idempotencyrecord"
+	"github.com/Wei-Shaw/sub2api/ent/paymentauditlog"
+	"github.com/Wei-Shaw/sub2api/ent/paymentorder"
+	"github.com/Wei-Shaw/sub2api/ent/paymentproviderinstance"
 	"github.com/Wei-Shaw/sub2api/ent/promocode"
 	"github.com/Wei-Shaw/sub2api/ent/promocodeusage"
 	"github.com/Wei-Shaw/sub2api/ent/proxy"
 	"github.com/Wei-Shaw/sub2api/ent/redeemcode"
 	"github.com/Wei-Shaw/sub2api/ent/securitysecret"
 	"github.com/Wei-Shaw/sub2api/ent/setting"
+	"github.com/Wei-Shaw/sub2api/ent/subscriptionplan"
 	"github.com/Wei-Shaw/sub2api/ent/tlsfingerprintprofile"
 	"github.com/Wei-Shaw/sub2api/ent/usagecleanuptask"
 	"github.com/Wei-Shaw/sub2api/ent/usagelog"
@@ -102,12 +106,16 @@ func checkColumn(t, c string) error {
 			errorpassthroughrule.Table:    errorpassthroughrule.ValidColumn,
 			group.Table:                   group.ValidColumn,
 			idempotencyrecord.Table:       idempotencyrecord.ValidColumn,
+			paymentauditlog.Table:         paymentauditlog.ValidColumn,
+			paymentorder.Table:            paymentorder.ValidColumn,
+			paymentproviderinstance.Table: paymentproviderinstance.ValidColumn,
 			promocode.Table:               promocode.ValidColumn,
 			promocodeusage.Table:          promocodeusage.ValidColumn,
 			proxy.Table:                   proxy.ValidColumn,
 			redeemcode.Table:              redeemcode.ValidColumn,
 			securitysecret.Table:          securitysecret.ValidColumn,
 			setting.Table:                 setting.ValidColumn,
+			subscriptionplan.Table:        subscriptionplan.ValidColumn,
 			tlsfingerprintprofile.Table:   tlsfingerprintprofile.ValidColumn,
 			usagecleanuptask.Table:        usagecleanuptask.ValidColumn,
 			usagelog.Table:                usagelog.ValidColumn,

backend/ent/hook/hook.go

@@ -105,6 +105,42 @@ func (f IdempotencyRecordFunc) Mutate(ctx context.Context, m ent.Mutation) (ent.
 	return nil, fmt.Errorf("unexpected mutation type %T. expect *ent.IdempotencyRecordMutation", m)
 }
 
+// The PaymentAuditLogFunc type is an adapter to allow the use of ordinary
+// function as PaymentAuditLog mutator.
+type PaymentAuditLogFunc func(context.Context, *ent.PaymentAuditLogMutation) (ent.Value, error)
+
+// Mutate calls f(ctx, m).
+func (f PaymentAuditLogFunc) Mutate(ctx context.Context, m ent.Mutation) (ent.Value, error) {
+	if mv, ok := m.(*ent.PaymentAuditLogMutation); ok {
+		return f(ctx, mv)
+	}
+	return nil, fmt.Errorf("unexpected mutation type %T. expect *ent.PaymentAuditLogMutation", m)
+}
+
+// The PaymentOrderFunc type is an adapter to allow the use of ordinary
+// function as PaymentOrder mutator.
+type PaymentOrderFunc func(context.Context, *ent.PaymentOrderMutation) (ent.Value, error)
+
+// Mutate calls f(ctx, m).
+func (f PaymentOrderFunc) Mutate(ctx context.Context, m ent.Mutation) (ent.Value, error) {
+	if mv, ok := m.(*ent.PaymentOrderMutation); ok {
+		return f(ctx, mv)
+	}
+	return nil, fmt.Errorf("unexpected mutation type %T. expect *ent.PaymentOrderMutation", m)
+}
+
+// The PaymentProviderInstanceFunc type is an adapter to allow the use of ordinary
+// function as PaymentProviderInstance mutator.
+type PaymentProviderInstanceFunc func(context.Context, *ent.PaymentProviderInstanceMutation) (ent.Value, error)
+
+// Mutate calls f(ctx, m).
+func (f PaymentProviderInstanceFunc) Mutate(ctx context.Context, m ent.Mutation) (ent.Value, error) {
+	if mv, ok := m.(*ent.PaymentProviderInstanceMutation); ok {
+		return f(ctx, mv)
+	}
+	return nil, fmt.Errorf("unexpected mutation type %T. expect *ent.PaymentProviderInstanceMutation", m)
+}
+
 // The PromoCodeFunc type is an adapter to allow the use of ordinary
 // function as PromoCode mutator.
 type PromoCodeFunc func(context.Context, *ent.PromoCodeMutation) (ent.Value, error)
@@ -177,6 +213,18 @@ func (f SettingFunc) Mutate(ctx context.Context, m ent.Mutation) (ent.Value, err
 	return nil, fmt.Errorf("unexpected mutation type %T. expect *ent.SettingMutation", m)
 }
 
+// The SubscriptionPlanFunc type is an adapter to allow the use of ordinary
+// function as SubscriptionPlan mutator.
+type SubscriptionPlanFunc func(context.Context, *ent.SubscriptionPlanMutation) (ent.Value, error)
+
+// Mutate calls f(ctx, m).
+func (f SubscriptionPlanFunc) Mutate(ctx context.Context, m ent.Mutation) (ent.Value, error) {
+	if mv, ok := m.(*ent.SubscriptionPlanMutation); ok {
+		return f(ctx, mv)
+	}
+	return nil, fmt.Errorf("unexpected mutation type %T. expect *ent.SubscriptionPlanMutation", m)
+}
+
 // The TLSFingerprintProfileFunc type is an adapter to allow the use of ordinary
 // function as TLSFingerprintProfile mutator.
 type TLSFingerprintProfileFunc func(context.Context, *ent.TLSFingerprintProfileMutation) (ent.Value, error)

backend/ent/intercept/intercept.go

@@ -16,6 +16,9 @@ import (
 	"github.com/Wei-Shaw/sub2api/ent/errorpassthroughrule"
 	"github.com/Wei-Shaw/sub2api/ent/group"
 	"github.com/Wei-Shaw/sub2api/ent/idempotencyrecord"
+	"github.com/Wei-Shaw/sub2api/ent/paymentauditlog"
+	"github.com/Wei-Shaw/sub2api/ent/paymentorder"
+	"github.com/Wei-Shaw/sub2api/ent/paymentproviderinstance"
 	"github.com/Wei-Shaw/sub2api/ent/predicate"
 	"github.com/Wei-Shaw/sub2api/ent/promocode"
 	"github.com/Wei-Shaw/sub2api/ent/promocodeusage"
@@ -23,6 +26,7 @@ import (
 	"github.com/Wei-Shaw/sub2api/ent/redeemcode"
 	"github.com/Wei-Shaw/sub2api/ent/securitysecret"
 	"github.com/Wei-Shaw/sub2api/ent/setting"
+	"github.com/Wei-Shaw/sub2api/ent/subscriptionplan"
 	"github.com/Wei-Shaw/sub2api/ent/tlsfingerprintprofile"
 	"github.com/Wei-Shaw/sub2api/ent/usagecleanuptask"
 	"github.com/Wei-Shaw/sub2api/ent/usagelog"
@@ -305,6 +309,87 @@ func (f TraverseIdempotencyRecord) Traverse(ctx context.Context, q ent.Query) er
 	return fmt.Errorf("unexpected query type %T. expect *ent.IdempotencyRecordQuery", q)
 }
 
+// The PaymentAuditLogFunc type is an adapter to allow the use of ordinary function as a Querier.
+type PaymentAuditLogFunc func(context.Context, *ent.PaymentAuditLogQuery) (ent.Value, error)
+
+// Query calls f(ctx, q).
+func (f PaymentAuditLogFunc) Query(ctx context.Context, q ent.Query) (ent.Value, error) {
+	if q, ok := q.(*ent.PaymentAuditLogQuery); ok {
+		return f(ctx, q)
+	}
+	return nil, fmt.Errorf("unexpected query type %T. expect *ent.PaymentAuditLogQuery", q)
+}
+
+// The TraversePaymentAuditLog type is an adapter to allow the use of ordinary function as Traverser.
+type TraversePaymentAuditLog func(context.Context, *ent.PaymentAuditLogQuery) error
+
+// Intercept is a dummy implementation of Intercept that returns the next Querier in the pipeline.
+func (f TraversePaymentAuditLog) Intercept(next ent.Querier) ent.Querier {
+	return next
+}
+
+// Traverse calls f(ctx, q).
+func (f TraversePaymentAuditLog) Traverse(ctx context.Context, q ent.Query) error {
+	if q, ok := q.(*ent.PaymentAuditLogQuery); ok {
+		return f(ctx, q)
+	}
+	return fmt.Errorf("unexpected query type %T. expect *ent.PaymentAuditLogQuery", q)
+}
+
+// The PaymentOrderFunc type is an adapter to allow the use of ordinary function as a Querier.
+type PaymentOrderFunc func(context.Context, *ent.PaymentOrderQuery) (ent.Value, error)
+
+// Query calls f(ctx, q).
+func (f PaymentOrderFunc) Query(ctx context.Context, q ent.Query) (ent.Value, error) {
+	if q, ok := q.(*ent.PaymentOrderQuery); ok {
+		return f(ctx, q)
+	}
+	return nil, fmt.Errorf("unexpected query type %T. expect *ent.PaymentOrderQuery", q)
+}
+
+// The TraversePaymentOrder type is an adapter to allow the use of ordinary function as Traverser.
+type TraversePaymentOrder func(context.Context, *ent.PaymentOrderQuery) error
+
+// Intercept is a dummy implementation of Intercept that returns the next Querier in the pipeline.
+func (f TraversePaymentOrder) Intercept(next ent.Querier) ent.Querier {
+	return next
+}
+
+// Traverse calls f(ctx, q).
+func (f TraversePaymentOrder) Traverse(ctx context.Context, q ent.Query) error {
+	if q, ok := q.(*ent.PaymentOrderQuery); ok {
+		return f(ctx, q)
+	}
+	return fmt.Errorf("unexpected query type %T. expect *ent.PaymentOrderQuery", q)
+}
+
+// The PaymentProviderInstanceFunc type is an adapter to allow the use of ordinary function as a Querier.
+type PaymentProviderInstanceFunc func(context.Context, *ent.PaymentProviderInstanceQuery) (ent.Value, error)
+
+// Query calls f(ctx, q).
+func (f PaymentProviderInstanceFunc) Query(ctx context.Context, q ent.Query) (ent.Value, error) {
+	if q, ok := q.(*ent.PaymentProviderInstanceQuery); ok {
+		return f(ctx, q)
+	}
+	return nil, fmt.Errorf("unexpected query type %T. expect *ent.PaymentProviderInstanceQuery", q)
+}
+
+// The TraversePaymentProviderInstance type is an adapter to allow the use of ordinary function as Traverser.
+type TraversePaymentProviderInstance func(context.Context, *ent.PaymentProviderInstanceQuery) error
+
+// Intercept is a dummy implementation of Intercept that returns the next Querier in the pipeline.
+func (f TraversePaymentProviderInstance) Intercept(next ent.Querier) ent.Querier {
+	return next
+}
+
+// Traverse calls f(ctx, q).
+func (f TraversePaymentProviderInstance) Traverse(ctx context.Context, q ent.Query) error {
+	if q, ok := q.(*ent.PaymentProviderInstanceQuery); ok {
+		return f(ctx, q)
+	}
+	return fmt.Errorf("unexpected query type %T. expect *ent.PaymentProviderInstanceQuery", q)
+}
+
 // The PromoCodeFunc type is an adapter to allow the use of ordinary function as a Querier.
 type PromoCodeFunc func(context.Context, *ent.PromoCodeQuery) (ent.Value, error)
 
@@ -467,6 +552,33 @@ func (f TraverseSetting) Traverse(ctx context.Context, q ent.Query) error {
 	return fmt.Errorf("unexpected query type %T. expect *ent.SettingQuery", q)
 }
 
+// The SubscriptionPlanFunc type is an adapter to allow the use of ordinary function as a Querier.
+type SubscriptionPlanFunc func(context.Context, *ent.SubscriptionPlanQuery) (ent.Value, error)
+
+// Query calls f(ctx, q).
+func (f SubscriptionPlanFunc) Query(ctx context.Context, q ent.Query) (ent.Value, error) {
+	if q, ok := q.(*ent.SubscriptionPlanQuery); ok {
+		return f(ctx, q)
+	}
+	return nil, fmt.Errorf("unexpected query type %T. expect *ent.SubscriptionPlanQuery", q)
+}
+
+// The TraverseSubscriptionPlan type is an adapter to allow the use of ordinary function as Traverser.
+type TraverseSubscriptionPlan func(context.Context, *ent.SubscriptionPlanQuery) error
+
+// Intercept is a dummy implementation of Intercept that returns the next Querier in the pipeline.
+func (f TraverseSubscriptionPlan) Intercept(next ent.Querier) ent.Querier {
+	return next
+}
+
+// Traverse calls f(ctx, q).
+func (f TraverseSubscriptionPlan) Traverse(ctx context.Context, q ent.Query) error {
+	if q, ok := q.(*ent.SubscriptionPlanQuery); ok {
+		return f(ctx, q)
+	}
+	return fmt.Errorf("unexpected query type %T. expect *ent.SubscriptionPlanQuery", q)
+}
+
 // The TLSFingerprintProfileFunc type is an adapter to allow the use of ordinary function as a Querier.
 type TLSFingerprintProfileFunc func(context.Context, *ent.TLSFingerprintProfileQuery) (ent.Value, error)
 
@@ -702,6 +814,12 @@ func NewQuery(q ent.Query) (Query, error) {
 		return &query[*ent.GroupQuery, predicate.Group, group.OrderOption]{typ: ent.TypeGroup, tq: q}, nil
 	case *ent.IdempotencyRecordQuery:
 		return &query[*ent.IdempotencyRecordQuery, predicate.IdempotencyRecord, idempotencyrecord.OrderOption]{typ: ent.TypeIdempotencyRecord, tq: q}, nil
+	case *ent.PaymentAuditLogQuery:
+		return &query[*ent.PaymentAuditLogQuery, predicate.PaymentAuditLog, paymentauditlog.OrderOption]{typ: ent.TypePaymentAuditLog, tq: q}, nil
+	case *ent.PaymentOrderQuery:
+		return &query[*ent.PaymentOrderQuery, predicate.PaymentOrder, paymentorder.OrderOption]{typ: ent.TypePaymentOrder, tq: q}, nil
+	case *ent.PaymentProviderInstanceQuery:
+		return &query[*ent.PaymentProviderInstanceQuery, predicate.PaymentProviderInstance, paymentproviderinstance.OrderOption]{typ: ent.TypePaymentProviderInstance, tq: q}, nil
 	case *ent.PromoCodeQuery:
 		return &query[*ent.PromoCodeQuery, predicate.PromoCode, promocode.OrderOption]{typ: ent.TypePromoCode, tq: q}, nil
 	case *ent.PromoCodeUsageQuery:
@@ -714,6 +832,8 @@ func NewQuery(q ent.Query) (Query, error) {
 		return &query[*ent.SecuritySecretQuery, predicate.SecuritySecret, securitysecret.OrderOption]{typ: ent.TypeSecuritySecret, tq: q}, nil
 	case *ent.SettingQuery:
 		return &query[*ent.SettingQuery, predicate.Setting, setting.OrderOption]{typ: ent.TypeSetting, tq: q}, nil
+	case *ent.SubscriptionPlanQuery:
+		return &query[*ent.SubscriptionPlanQuery, predicate.SubscriptionPlan, subscriptionplan.OrderOption]{typ: ent.TypeSubscriptionPlan, tq: q}, nil
 	case *ent.TLSFingerprintProfileQuery:
 		return &query[*ent.TLSFingerprintProfileQuery, predicate.TLSFingerprintProfile, tlsfingerprintprofile.OrderOption]{typ: ent.TypeTLSFingerprintProfile, tq: q}, nil
 	case *ent.UsageCleanupTaskQuery:

backend/ent/migrate/schema.go

@@ -485,6 +485,158 @@ var (
 			},
 		},
 	}
+	// PaymentAuditLogsColumns holds the columns for the "payment_audit_logs" table.
+	PaymentAuditLogsColumns = []*schema.Column{
+		{Name: "id", Type: field.TypeInt64, Increment: true},
+		{Name: "order_id", Type: field.TypeString, Size: 64},
+		{Name: "action", Type: field.TypeString, Size: 50},
+		{Name: "detail", Type: field.TypeString, Default: "", SchemaType: map[string]string{"postgres": "text"}},
+		{Name: "operator", Type: field.TypeString, Size: 100, Default: "system"},
+		{Name: "created_at", Type: field.TypeTime, SchemaType: map[string]string{"postgres": "timestamptz"}},
+	}
+	// PaymentAuditLogsTable holds the schema information for the "payment_audit_logs" table.
+	PaymentAuditLogsTable = &schema.Table{
+		Name:       "payment_audit_logs",
+		Columns:    PaymentAuditLogsColumns,
+		PrimaryKey: []*schema.Column{PaymentAuditLogsColumns[0]},
+		Indexes: []*schema.Index{
+			{
+				Name:    "paymentauditlog_order_id",
+				Unique:  false,
+				Columns: []*schema.Column{PaymentAuditLogsColumns[1]},
+			},
+		},
+	}
+	// PaymentOrdersColumns holds the columns for the "payment_orders" table.
+	PaymentOrdersColumns = []*schema.Column{
+		{Name: "id", Type: field.TypeInt64, Increment: true},
+		{Name: "user_email", Type: field.TypeString, Size: 255},
+		{Name: "user_name", Type: field.TypeString, Size: 100},
+		{Name: "user_notes", Type: field.TypeString, Nullable: true, SchemaType: map[string]string{"postgres": "text"}},
+		{Name: "amount", Type: field.TypeFloat64, SchemaType: map[string]string{"postgres": "decimal(20,2)"}},
+		{Name: "pay_amount", Type: field.TypeFloat64, SchemaType: map[string]string{"postgres": "decimal(20,2)"}},
+		{Name: "fee_rate", Type: field.TypeFloat64, Default: 0, SchemaType: map[string]string{"postgres": "decimal(10,4)"}},
+		{Name: "recharge_code", Type: field.TypeString, Size: 64},
+		{Name: "out_trade_no", Type: field.TypeString, Size: 64, Default: ""},
+		{Name: "payment_type", Type: field.TypeString, Size: 30},
+		{Name: "payment_trade_no", Type: field.TypeString, Size: 128},
+		{Name: "pay_url", Type: field.TypeString, Nullable: true, SchemaType: map[string]string{"postgres": "text"}},
+		{Name: "qr_code", Type: field.TypeString, Nullable: true, SchemaType: map[string]string{"postgres": "text"}},
+		{Name: "qr_code_img", Type: field.TypeString, Nullable: true, SchemaType: map[string]string{"postgres": "text"}},
+		{Name: "order_type", Type: field.TypeString, Size: 20, Default: "balance"},
+		{Name: "plan_id", Type: field.TypeInt64, Nullable: true},
+		{Name: "subscription_group_id", Type: field.TypeInt64, Nullable: true},
+		{Name: "subscription_days", Type: field.TypeInt, Nullable: true},
+		{Name: "provider_instance_id", Type: field.TypeString, Nullable: true, Size: 64},
+		{Name: "status", Type: field.TypeString, Size: 30, Default: "PENDING"},
+		{Name: "refund_amount", Type: field.TypeFloat64, Default: 0, SchemaType: map[string]string{"postgres": "decimal(20,2)"}},
+		{Name: "refund_reason", Type: field.TypeString, Nullable: true, SchemaType: map[string]string{"postgres": "text"}},
+		{Name: "refund_at", Type: field.TypeTime, Nullable: true, SchemaType: map[string]string{"postgres": "timestamptz"}},
+		{Name: "force_refund", Type: field.TypeBool, Default: false},
+		{Name: "refund_requested_at", Type: field.TypeTime, Nullable: true, SchemaType: map[string]string{"postgres": "timestamptz"}},
+		{Name: "refund_request_reason", Type: field.TypeString, Nullable: true, SchemaType: map[string]string{"postgres": "text"}},
+		{Name: "refund_requested_by", Type: field.TypeString, Nullable: true, Size: 20},
+		{Name: "expires_at", Type: field.TypeTime, SchemaType: map[string]string{"postgres": "timestamptz"}},
+		{Name: "paid_at", Type: field.TypeTime, Nullable: true, SchemaType: map[string]string{"postgres": "timestamptz"}},
+		{Name: "completed_at", Type: field.TypeTime, Nullable: true, SchemaType: map[string]string{"postgres": "timestamptz"}},
+		{Name: "failed_at", Type: field.TypeTime, Nullable: true, SchemaType: map[string]string{"postgres": "timestamptz"}},
+		{Name: "failed_reason", Type: field.TypeString, Nullable: true, SchemaType: map[string]string{"postgres": "text"}},
+		{Name: "client_ip", Type: field.TypeString, Size: 50},
+		{Name: "src_host", Type: field.TypeString, Size: 255},
+		{Name: "src_url", Type: field.TypeString, Nullable: true, SchemaType: map[string]string{"postgres": "text"}},
+		{Name: "created_at", Type: field.TypeTime, SchemaType: map[string]string{"postgres": "timestamptz"}},
+		{Name: "updated_at", Type: field.TypeTime, SchemaType: map[string]string{"postgres": "timestamptz"}},
+		{Name: "user_id", Type: field.TypeInt64},
+	}
+	// PaymentOrdersTable holds the schema information for the "payment_orders" table.
+	PaymentOrdersTable = &schema.Table{
+		Name:       "payment_orders",
+		Columns:    PaymentOrdersColumns,
+		PrimaryKey: []*schema.Column{PaymentOrdersColumns[0]},
+		ForeignKeys: []*schema.ForeignKey{
+			{
+				Symbol:     "payment_orders_users_payment_orders",
+				Columns:    []*schema.Column{PaymentOrdersColumns[37]},
+				RefColumns: []*schema.Column{UsersColumns[0]},
+				OnDelete:   schema.NoAction,
+			},
+		},
+		Indexes: []*schema.Index{
+			{
+				Name:    "paymentorder_out_trade_no",
+				Unique:  false,
+				Columns: []*schema.Column{PaymentOrdersColumns[8]},
+			},
+			{
+				Name:    "paymentorder_user_id",
+				Unique:  false,
+				Columns: []*schema.Column{PaymentOrdersColumns[37]},
+			},
+			{
+				Name:    "paymentorder_status",
+				Unique:  false,
+				Columns: []*schema.Column{PaymentOrdersColumns[19]},
+			},
+			{
+				Name:    "paymentorder_expires_at",
+				Unique:  false,
+				Columns: []*schema.Column{PaymentOrdersColumns[27]},
+			},
+			{
+				Name:    "paymentorder_created_at",
+				Unique:  false,
+				Columns: []*schema.Column{PaymentOrdersColumns[35]},
+			},
+			{
+				Name:    "paymentorder_paid_at",
+				Unique:  false,
+				Columns: []*schema.Column{PaymentOrdersColumns[28]},
+			},
+			{
+				Name:    "paymentorder_payment_type_paid_at",
+				Unique:  false,
+				Columns: []*schema.Column{PaymentOrdersColumns[9], PaymentOrdersColumns[28]},
+			},
+			{
+				Name:    "paymentorder_order_type",
+				Unique:  false,
+				Columns: []*schema.Column{PaymentOrdersColumns[14]},
+			},
+		},
+	}
+	// PaymentProviderInstancesColumns holds the columns for the "payment_provider_instances" table.
+	PaymentProviderInstancesColumns = []*schema.Column{
+		{Name: "id", Type: field.TypeInt64, Increment: true},
+		{Name: "provider_key", Type: field.TypeString, Size: 30},
+		{Name: "name", Type: field.TypeString, Size: 100, Default: ""},
+		{Name: "config", Type: field.TypeString, SchemaType: map[string]string{"postgres": "text"}},
+		{Name: "supported_types", Type: field.TypeString, Size: 200, Default: ""},
+		{Name: "enabled", Type: field.TypeBool, Default: true},
+		{Name: "payment_mode", Type: field.TypeString, Size: 20, Default: ""},
+		{Name: "sort_order", Type: field.TypeInt, Default: 0},
+		{Name: "limits", Type: field.TypeString, Default: "", SchemaType: map[string]string{"postgres": "text"}},
+		{Name: "refund_enabled", Type: field.TypeBool, Default: false},
+		{Name: "created_at", Type: field.TypeTime, SchemaType: map[string]string{"postgres": "timestamptz"}},
+		{Name: "updated_at", Type: field.TypeTime, SchemaType: map[string]string{"postgres": "timestamptz"}},
+	}
+	// PaymentProviderInstancesTable holds the schema information for the "payment_provider_instances" table.
+	PaymentProviderInstancesTable = &schema.Table{
+		Name:       "payment_provider_instances",
+		Columns:    PaymentProviderInstancesColumns,
+		PrimaryKey: []*schema.Column{PaymentProviderInstancesColumns[0]},
+		Indexes: []*schema.Index{
+			{
+				Name:    "paymentproviderinstance_provider_key",
+				Unique:  false,
+				Columns: []*schema.Column{PaymentProviderInstancesColumns[1]},
+			},
+			{
+				Name:    "paymentproviderinstance_enabled",
+				Unique:  false,
+				Columns: []*schema.Column{PaymentProviderInstancesColumns[5]},
+			},
+		},
+	}
 	// PromoCodesColumns holds the columns for the "promo_codes" table.
 	PromoCodesColumns = []*schema.Column{
 		{Name: "id", Type: field.TypeInt64, Increment: true},
@@ -671,6 +823,41 @@ var (
 		Columns:    SettingsColumns,
 		PrimaryKey: []*schema.Column{SettingsColumns[0]},
 	}
+	// SubscriptionPlansColumns holds the columns for the "subscription_plans" table.
+	SubscriptionPlansColumns = []*schema.Column{
+		{Name: "id", Type: field.TypeInt64, Increment: true},
+		{Name: "group_id", Type: field.TypeInt64},
+		{Name: "name", Type: field.TypeString, Size: 100},
+		{Name: "description", Type: field.TypeString, Default: "", SchemaType: map[string]string{"postgres": "text"}},
+		{Name: "price", Type: field.TypeFloat64, SchemaType: map[string]string{"postgres": "decimal(20,2)"}},
+		{Name: "original_price", Type: field.TypeFloat64, Nullable: true, SchemaType: map[string]string{"postgres": "decimal(20,2)"}},
+		{Name: "validity_days", Type: field.TypeInt, Default: 30},
+		{Name: "validity_unit", Type: field.TypeString, Size: 10, Default: "day"},
+		{Name: "features", Type: field.TypeString, Default: "", SchemaType: map[string]string{"postgres": "text"}},
+		{Name: "product_name", Type: field.TypeString, Size: 100, Default: ""},
+		{Name: "for_sale", Type: field.TypeBool, Default: true},
+		{Name: "sort_order", Type: field.TypeInt, Default: 0},
+		{Name: "created_at", Type: field.TypeTime, SchemaType: map[string]string{"postgres": "timestamptz"}},
+		{Name: "updated_at", Type: field.TypeTime, SchemaType: map[string]string{"postgres": "timestamptz"}},
+	}
+	// SubscriptionPlansTable holds the schema information for the "subscription_plans" table.
+	SubscriptionPlansTable = &schema.Table{
+		Name:       "subscription_plans",
+		Columns:    SubscriptionPlansColumns,
+		PrimaryKey: []*schema.Column{SubscriptionPlansColumns[0]},
+		Indexes: []*schema.Index{
+			{
+				Name:    "subscriptionplan_group_id",
+				Unique:  false,
+				Columns: []*schema.Column{SubscriptionPlansColumns[1]},
+			},
+			{
+				Name:    "subscriptionplan_for_sale",
+				Unique:  false,
+				Columns: []*schema.Column{SubscriptionPlansColumns[10]},
+			},
+		},
+	}
 	// TLSFingerprintProfilesColumns holds the columns for the "tls_fingerprint_profiles" table.
 	TLSFingerprintProfilesColumns = []*schema.Column{
 		{Name: "id", Type: field.TypeInt64, Increment: true},
@@ -1128,12 +1315,16 @@ var (
 		ErrorPassthroughRulesTable,
 		GroupsTable,
 		IdempotencyRecordsTable,
+		PaymentAuditLogsTable,
+		PaymentOrdersTable,
+		PaymentProviderInstancesTable,
 		PromoCodesTable,
 		PromoCodeUsagesTable,
 		ProxiesTable,
 		RedeemCodesTable,
 		SecuritySecretsTable,
 		SettingsTable,
+		SubscriptionPlansTable,
 		TLSFingerprintProfilesTable,
 		UsageCleanupTasksTable,
 		UsageLogsTable,
@@ -1177,6 +1368,16 @@ func init() {
 	IdempotencyRecordsTable.Annotation = &entsql.Annotation{
 		Table: "idempotency_records",
 	}
+	PaymentAuditLogsTable.Annotation = &entsql.Annotation{
+		Table: "payment_audit_logs",
+	}
+	PaymentOrdersTable.ForeignKeys[0].RefTable = UsersTable
+	PaymentOrdersTable.Annotation = &entsql.Annotation{
+		Table: "payment_orders",
+	}
+	PaymentProviderInstancesTable.Annotation = &entsql.Annotation{
+		Table: "payment_provider_instances",
+	}
 	PromoCodesTable.Annotation = &entsql.Annotation{
 		Table: "promo_codes",
 	}
@@ -1199,6 +1400,9 @@ func init() {
 	SettingsTable.Annotation = &entsql.Annotation{
 		Table: "settings",
 	}
+	SubscriptionPlansTable.Annotation = &entsql.Annotation{
+		Table: "subscription_plans",
+	}
 	TLSFingerprintProfilesTable.Annotation = &entsql.Annotation{
 		Table: "tls_fingerprint_profiles",
 	}

backend/ent/paymentauditlog.go

+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"fmt"
+	"strings"
+	"time"
+
+	"entgo.io/ent"
+	"entgo.io/ent/dialect/sql"
+	"github.com/Wei-Shaw/sub2api/ent/paymentauditlog"
+)
+
+// PaymentAuditLog is the model entity for the PaymentAuditLog schema.
+type PaymentAuditLog struct {
+	config `json:"-"`
+	// ID of the ent.
+	ID int64 `json:"id,omitempty"`
+	// OrderID holds the value of the "order_id" field.
+	OrderID string `json:"order_id,omitempty"`
+	// Action holds the value of the "action" field.
+	Action string `json:"action,omitempty"`
+	// Detail holds the value of the "detail" field.
+	Detail string `json:"detail,omitempty"`
+	// Operator holds the value of the "operator" field.
+	Operator string `json:"operator,omitempty"`
+	// CreatedAt holds the value of the "created_at" field.
+	CreatedAt    time.Time `json:"created_at,omitempty"`
+	selectValues sql.SelectValues
+}
+
+// scanValues returns the types for scanning values from sql.Rows.
+func (*PaymentAuditLog) scanValues(columns []string) ([]any, error) {
+	values := make([]any, len(columns))
+	for i := range columns {
+		switch columns[i] {
+		case paymentauditlog.FieldID:
+			values[i] = new(sql.NullInt64)
+		case paymentauditlog.FieldOrderID, paymentauditlog.FieldAction, paymentauditlog.FieldDetail, paymentauditlog.FieldOperator:
+			values[i] = new(sql.NullString)
+		case paymentauditlog.FieldCreatedAt:
+			values[i] = new(sql.NullTime)
+		default:
+			values[i] = new(sql.UnknownType)
+		}
+	}
+	return values, nil
+}
+
+// assignValues assigns the values that were returned from sql.Rows (after scanning)
+// to the PaymentAuditLog fields.
+func (_m *PaymentAuditLog) assignValues(columns []string, values []any) error {
+	if m, n := len(values), len(columns); m < n {
+		return fmt.Errorf("mismatch number of scan values: %d != %d", m, n)
+	}
+	for i := range columns {
+		switch columns[i] {
+		case paymentauditlog.FieldID:
+			value, ok := values[i].(*sql.NullInt64)
+			if !ok {
+				return fmt.Errorf("unexpected type %T for field id", value)
+			}
+			_m.ID = int64(value.Int64)
+		case paymentauditlog.FieldOrderID:
+			if value, ok := values[i].(*sql.NullString); !ok {
+				return fmt.Errorf("unexpected type %T for field order_id", values[i])
+			} else if value.Valid {
+				_m.OrderID = value.String
+			}
+		case paymentauditlog.FieldAction:
+			if value, ok := values[i].(*sql.NullString); !ok {
+				return fmt.Errorf("unexpected type %T for field action", values[i])
+			} else if value.Valid {
+				_m.Action = value.String
+			}
+		case paymentauditlog.FieldDetail:
+			if value, ok := values[i].(*sql.NullString); !ok {
+				return fmt.Errorf("unexpected type %T for field detail", values[i])
+			} else if value.Valid {
+				_m.Detail = value.String
+			}
+		case paymentauditlog.FieldOperator:
+			if value, ok := values[i].(*sql.NullString); !ok {
+				return fmt.Errorf("unexpected type %T for field operator", values[i])
+			} else if value.Valid {
+				_m.Operator = value.String
+			}
+		case paymentauditlog.FieldCreatedAt:
+			if value, ok := values[i].(*sql.NullTime); !ok {
+				return fmt.Errorf("unexpected type %T for field created_at", values[i])
+			} else if value.Valid {
+				_m.CreatedAt = value.Time
+			}
+		default:
+			_m.selectValues.Set(columns[i], values[i])
+		}
+	}
+	return nil
+}
+
+// Value returns the ent.Value that was dynamically selected and assigned to the PaymentAuditLog.
+// This includes values selected through modifiers, order, etc.
+func (_m *PaymentAuditLog) Value(name string) (ent.Value, error) {
+	return _m.selectValues.Get(name)
+}
+
+// Update returns a builder for updating this PaymentAuditLog.
+// Note that you need to call PaymentAuditLog.Unwrap() before calling this method if this PaymentAuditLog
+// was returned from a transaction, and the transaction was committed or rolled back.
+func (_m *PaymentAuditLog) Update() *PaymentAuditLogUpdateOne {
+	return NewPaymentAuditLogClient(_m.config).UpdateOne(_m)
+}
+
+// Unwrap unwraps the PaymentAuditLog entity that was returned from a transaction after it was closed,
+// so that all future queries will be executed through the driver which created the transaction.
+func (_m *PaymentAuditLog) Unwrap() *PaymentAuditLog {
+	_tx, ok := _m.config.driver.(*txDriver)
+	if !ok {
+		panic("ent: PaymentAuditLog is not a transactional entity")
+	}
+	_m.config.driver = _tx.drv
+	return _m
+}
+
+// String implements the fmt.Stringer.
+func (_m *PaymentAuditLog) String() string {
+	var builder strings.Builder
+	builder.WriteString("PaymentAuditLog(")
+	builder.WriteString(fmt.Sprintf("id=%v, ", _m.ID))
+	builder.WriteString("order_id=")
+	builder.WriteString(_m.OrderID)
+	builder.WriteString(", ")
+	builder.WriteString("action=")
+	builder.WriteString(_m.Action)
+	builder.WriteString(", ")
+	builder.WriteString("detail=")
+	builder.WriteString(_m.Detail)
+	builder.WriteString(", ")
+	builder.WriteString("operator=")
+	builder.WriteString(_m.Operator)
+	builder.WriteString(", ")
+	builder.WriteString("created_at=")
+	builder.WriteString(_m.CreatedAt.Format(time.ANSIC))
+	builder.WriteByte(')')
+	return builder.String()
+}
+
+// PaymentAuditLogs is a parsable slice of PaymentAuditLog.
+type PaymentAuditLogs []*PaymentAuditLog

backend/ent/paymentauditlog/paymentauditlog.go

+// Code generated by ent, DO NOT EDIT.
+
+package paymentauditlog
+
+import (
+	"time"
+
+	"entgo.io/ent/dialect/sql"
+)
+
+const (
+	// Label holds the string label denoting the paymentauditlog type in the database.
+	Label = "payment_audit_log"
+	// FieldID holds the string denoting the id field in the database.
+	FieldID = "id"
+	// FieldOrderID holds the string denoting the order_id field in the database.
+	FieldOrderID = "order_id"
+	// FieldAction holds the string denoting the action field in the database.
+	FieldAction = "action"
+	// FieldDetail holds the string denoting the detail field in the database.
+	FieldDetail = "detail"
+	// FieldOperator holds the string denoting the operator field in the database.
+	FieldOperator = "operator"
+	// FieldCreatedAt holds the string denoting the created_at field in the database.
+	FieldCreatedAt = "created_at"
+	// Table holds the table name of the paymentauditlog in the database.
+	Table = "payment_audit_logs"
+)
+
+// Columns holds all SQL columns for paymentauditlog fields.
+var Columns = []string{
+	FieldID,
+	FieldOrderID,
+	FieldAction,
+	FieldDetail,
+	FieldOperator,
+	FieldCreatedAt,
+}
+
+// ValidColumn reports if the column name is valid (part of the table columns).
+func ValidColumn(column string) bool {
+	for i := range Columns {
+		if column == Columns[i] {
+			return true
+		}
+	}
+	return false
+}
+
+var (
+	// OrderIDValidator is a validator for the "order_id" field. It is called by the builders before save.
+	OrderIDValidator func(string) error
+	// ActionValidator is a validator for the "action" field. It is called by the builders before save.
+	ActionValidator func(string) error
+	// DefaultDetail holds the default value on creation for the "detail" field.
+	DefaultDetail string
+	// DefaultOperator holds the default value on creation for the "operator" field.
+	DefaultOperator string
+	// OperatorValidator is a validator for the "operator" field. It is called by the builders before save.
+	OperatorValidator func(string) error
+	// DefaultCreatedAt holds the default value on creation for the "created_at" field.
+	DefaultCreatedAt func() time.Time
+)
+
+// OrderOption defines the ordering options for the PaymentAuditLog queries.
+type OrderOption func(*sql.Selector)
+
+// ByID orders the results by the id field.
+func ByID(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldID, opts...).ToFunc()
+}
+
+// ByOrderID orders the results by the order_id field.
+func ByOrderID(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldOrderID, opts...).ToFunc()
+}
+
+// ByAction orders the results by the action field.
+func ByAction(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldAction, opts...).ToFunc()
+}
+
+// ByDetail orders the results by the detail field.
+func ByDetail(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldDetail, opts...).ToFunc()
+}
+
+// ByOperator orders the results by the operator field.
+func ByOperator(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldOperator, opts...).ToFunc()
+}
+
+// ByCreatedAt orders the results by the created_at field.
+func ByCreatedAt(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldCreatedAt, opts...).ToFunc()
+}

backend/ent/paymentauditlog/where.go

+// Code generated by ent, DO NOT EDIT.
+
+package paymentauditlog
+
+import (
+	"time"
+
+	"entgo.io/ent/dialect/sql"
+	"github.com/Wei-Shaw/sub2api/ent/predicate"
+)
+
+// ID filters vertices based on their ID field.
+func ID(id int64) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldEQ(FieldID, id))
+}
+
+// IDEQ applies the EQ predicate on the ID field.
+func IDEQ(id int64) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldEQ(FieldID, id))
+}
+
+// IDNEQ applies the NEQ predicate on the ID field.
+func IDNEQ(id int64) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldNEQ(FieldID, id))
+}
+
+// IDIn applies the In predicate on the ID field.
+func IDIn(ids ...int64) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldIn(FieldID, ids...))
+}
+
+// IDNotIn applies the NotIn predicate on the ID field.
+func IDNotIn(ids ...int64) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldNotIn(FieldID, ids...))
+}
+
+// IDGT applies the GT predicate on the ID field.
+func IDGT(id int64) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldGT(FieldID, id))
+}
+
+// IDGTE applies the GTE predicate on the ID field.
+func IDGTE(id int64) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldGTE(FieldID, id))
+}
+
+// IDLT applies the LT predicate on the ID field.
+func IDLT(id int64) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldLT(FieldID, id))
+}
+
+// IDLTE applies the LTE predicate on the ID field.
+func IDLTE(id int64) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldLTE(FieldID, id))
+}
+
+// OrderID applies equality check predicate on the "order_id" field. It's identical to OrderIDEQ.
+func OrderID(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldEQ(FieldOrderID, v))
+}
+
+// Action applies equality check predicate on the "action" field. It's identical to ActionEQ.
+func Action(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldEQ(FieldAction, v))
+}
+
+// Detail applies equality check predicate on the "detail" field. It's identical to DetailEQ.
+func Detail(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldEQ(FieldDetail, v))
+}
+
+// Operator applies equality check predicate on the "operator" field. It's identical to OperatorEQ.
+func Operator(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldEQ(FieldOperator, v))
+}
+
+// CreatedAt applies equality check predicate on the "created_at" field. It's identical to CreatedAtEQ.
+func CreatedAt(v time.Time) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldEQ(FieldCreatedAt, v))
+}
+
+// OrderIDEQ applies the EQ predicate on the "order_id" field.
+func OrderIDEQ(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldEQ(FieldOrderID, v))
+}
+
+// OrderIDNEQ applies the NEQ predicate on the "order_id" field.
+func OrderIDNEQ(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldNEQ(FieldOrderID, v))
+}
+
+// OrderIDIn applies the In predicate on the "order_id" field.
+func OrderIDIn(vs ...string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldIn(FieldOrderID, vs...))
+}
+
+// OrderIDNotIn applies the NotIn predicate on the "order_id" field.
+func OrderIDNotIn(vs ...string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldNotIn(FieldOrderID, vs...))
+}
+
+// OrderIDGT applies the GT predicate on the "order_id" field.
+func OrderIDGT(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldGT(FieldOrderID, v))
+}
+
+// OrderIDGTE applies the GTE predicate on the "order_id" field.
+func OrderIDGTE(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldGTE(FieldOrderID, v))
+}
+
+// OrderIDLT applies the LT predicate on the "order_id" field.
+func OrderIDLT(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldLT(FieldOrderID, v))
+}
+
+// OrderIDLTE applies the LTE predicate on the "order_id" field.
+func OrderIDLTE(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldLTE(FieldOrderID, v))
+}
+
+// OrderIDContains applies the Contains predicate on the "order_id" field.
+func OrderIDContains(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldContains(FieldOrderID, v))
+}
+
+// OrderIDHasPrefix applies the HasPrefix predicate on the "order_id" field.
+func OrderIDHasPrefix(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldHasPrefix(FieldOrderID, v))
+}
+
+// OrderIDHasSuffix applies the HasSuffix predicate on the "order_id" field.
+func OrderIDHasSuffix(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldHasSuffix(FieldOrderID, v))
+}
+
+// OrderIDEqualFold applies the EqualFold predicate on the "order_id" field.
+func OrderIDEqualFold(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldEqualFold(FieldOrderID, v))
+}
+
+// OrderIDContainsFold applies the ContainsFold predicate on the "order_id" field.
+func OrderIDContainsFold(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldContainsFold(FieldOrderID, v))
+}
+
+// ActionEQ applies the EQ predicate on the "action" field.
+func ActionEQ(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldEQ(FieldAction, v))
+}
+
+// ActionNEQ applies the NEQ predicate on the "action" field.
+func ActionNEQ(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldNEQ(FieldAction, v))
+}
+
+// ActionIn applies the In predicate on the "action" field.
+func ActionIn(vs ...string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldIn(FieldAction, vs...))
+}
+
+// ActionNotIn applies the NotIn predicate on the "action" field.
+func ActionNotIn(vs ...string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldNotIn(FieldAction, vs...))
+}
+
+// ActionGT applies the GT predicate on the "action" field.
+func ActionGT(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldGT(FieldAction, v))
+}
+
+// ActionGTE applies the GTE predicate on the "action" field.
+func ActionGTE(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldGTE(FieldAction, v))
+}
+
+// ActionLT applies the LT predicate on the "action" field.
+func ActionLT(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldLT(FieldAction, v))
+}
+
+// ActionLTE applies the LTE predicate on the "action" field.
+func ActionLTE(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldLTE(FieldAction, v))
+}
+
+// ActionContains applies the Contains predicate on the "action" field.
+func ActionContains(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldContains(FieldAction, v))
+}
+
+// ActionHasPrefix applies the HasPrefix predicate on the "action" field.
+func ActionHasPrefix(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldHasPrefix(FieldAction, v))
+}
+
+// ActionHasSuffix applies the HasSuffix predicate on the "action" field.
+func ActionHasSuffix(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldHasSuffix(FieldAction, v))
+}
+
+// ActionEqualFold applies the EqualFold predicate on the "action" field.
+func ActionEqualFold(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldEqualFold(FieldAction, v))
+}
+
+// ActionContainsFold applies the ContainsFold predicate on the "action" field.
+func ActionContainsFold(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldContainsFold(FieldAction, v))
+}
+
+// DetailEQ applies the EQ predicate on the "detail" field.
+func DetailEQ(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldEQ(FieldDetail, v))
+}
+
+// DetailNEQ applies the NEQ predicate on the "detail" field.
+func DetailNEQ(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldNEQ(FieldDetail, v))
+}
+
+// DetailIn applies the In predicate on the "detail" field.
+func DetailIn(vs ...string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldIn(FieldDetail, vs...))
+}
+
+// DetailNotIn applies the NotIn predicate on the "detail" field.
+func DetailNotIn(vs ...string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldNotIn(FieldDetail, vs...))
+}
+
+// DetailGT applies the GT predicate on the "detail" field.
+func DetailGT(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldGT(FieldDetail, v))
+}
+
+// DetailGTE applies the GTE predicate on the "detail" field.
+func DetailGTE(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldGTE(FieldDetail, v))
+}
+
+// DetailLT applies the LT predicate on the "detail" field.
+func DetailLT(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldLT(FieldDetail, v))
+}
+
+// DetailLTE applies the LTE predicate on the "detail" field.
+func DetailLTE(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldLTE(FieldDetail, v))
+}
+
+// DetailContains applies the Contains predicate on the "detail" field.
+func DetailContains(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldContains(FieldDetail, v))
+}
+
+// DetailHasPrefix applies the HasPrefix predicate on the "detail" field.
+func DetailHasPrefix(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldHasPrefix(FieldDetail, v))
+}
+
+// DetailHasSuffix applies the HasSuffix predicate on the "detail" field.
+func DetailHasSuffix(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldHasSuffix(FieldDetail, v))
+}
+
+// DetailEqualFold applies the EqualFold predicate on the "detail" field.
+func DetailEqualFold(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldEqualFold(FieldDetail, v))
+}
+
+// DetailContainsFold applies the ContainsFold predicate on the "detail" field.
+func DetailContainsFold(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldContainsFold(FieldDetail, v))
+}
+
+// OperatorEQ applies the EQ predicate on the "operator" field.
+func OperatorEQ(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldEQ(FieldOperator, v))
+}
+
+// OperatorNEQ applies the NEQ predicate on the "operator" field.
+func OperatorNEQ(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldNEQ(FieldOperator, v))
+}
+
+// OperatorIn applies the In predicate on the "operator" field.
+func OperatorIn(vs ...string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldIn(FieldOperator, vs...))
+}
+
+// OperatorNotIn applies the NotIn predicate on the "operator" field.
+func OperatorNotIn(vs ...string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldNotIn(FieldOperator, vs...))
+}
+
+// OperatorGT applies the GT predicate on the "operator" field.
+func OperatorGT(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldGT(FieldOperator, v))
+}
+
+// OperatorGTE applies the GTE predicate on the "operator" field.
+func OperatorGTE(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldGTE(FieldOperator, v))
+}
+
+// OperatorLT applies the LT predicate on the "operator" field.
+func OperatorLT(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldLT(FieldOperator, v))
+}
+
+// OperatorLTE applies the LTE predicate on the "operator" field.
+func OperatorLTE(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldLTE(FieldOperator, v))
+}
+
+// OperatorContains applies the Contains predicate on the "operator" field.
+func OperatorContains(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldContains(FieldOperator, v))
+}
+
+// OperatorHasPrefix applies the HasPrefix predicate on the "operator" field.
+func OperatorHasPrefix(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldHasPrefix(FieldOperator, v))
+}
+
+// OperatorHasSuffix applies the HasSuffix predicate on the "operator" field.
+func OperatorHasSuffix(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldHasSuffix(FieldOperator, v))
+}
+
+// OperatorEqualFold applies the EqualFold predicate on the "operator" field.
+func OperatorEqualFold(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldEqualFold(FieldOperator, v))
+}
+
+// OperatorContainsFold applies the ContainsFold predicate on the "operator" field.
+func OperatorContainsFold(v string) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldContainsFold(FieldOperator, v))
+}
+
+// CreatedAtEQ applies the EQ predicate on the "created_at" field.
+func CreatedAtEQ(v time.Time) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldEQ(FieldCreatedAt, v))
+}
+
+// CreatedAtNEQ applies the NEQ predicate on the "created_at" field.
+func CreatedAtNEQ(v time.Time) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldNEQ(FieldCreatedAt, v))
+}
+
+// CreatedAtIn applies the In predicate on the "created_at" field.
+func CreatedAtIn(vs ...time.Time) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldIn(FieldCreatedAt, vs...))
+}
+
+// CreatedAtNotIn applies the NotIn predicate on the "created_at" field.
+func CreatedAtNotIn(vs ...time.Time) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldNotIn(FieldCreatedAt, vs...))
+}
+
+// CreatedAtGT applies the GT predicate on the "created_at" field.
+func CreatedAtGT(v time.Time) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldGT(FieldCreatedAt, v))
+}
+
+// CreatedAtGTE applies the GTE predicate on the "created_at" field.
+func CreatedAtGTE(v time.Time) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldGTE(FieldCreatedAt, v))
+}
+
+// CreatedAtLT applies the LT predicate on the "created_at" field.
+func CreatedAtLT(v time.Time) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldLT(FieldCreatedAt, v))
+}
+
+// CreatedAtLTE applies the LTE predicate on the "created_at" field.
+func CreatedAtLTE(v time.Time) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.FieldLTE(FieldCreatedAt, v))
+}
+
+// And groups predicates with the AND operator between them.
+func And(predicates ...predicate.PaymentAuditLog) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.AndPredicates(predicates...))
+}
+
+// Or groups predicates with the OR operator between them.
+func Or(predicates ...predicate.PaymentAuditLog) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.OrPredicates(predicates...))
+}
+
+// Not applies the not operator on the given predicate.
+func Not(p predicate.PaymentAuditLog) predicate.PaymentAuditLog {
+	return predicate.PaymentAuditLog(sql.NotPredicates(p))
+}

backend/ent/paymentauditlog_delete.go

+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/schema/field"
+	"github.com/Wei-Shaw/sub2api/ent/paymentauditlog"
+	"github.com/Wei-Shaw/sub2api/ent/predicate"
+)
+
+// PaymentAuditLogDelete is the builder for deleting a PaymentAuditLog entity.
+type PaymentAuditLogDelete struct {
+	config
+	hooks    []Hook
+	mutation *PaymentAuditLogMutation
+}
+
+// Where appends a list predicates to the PaymentAuditLogDelete builder.
+func (_d *PaymentAuditLogDelete) Where(ps ...predicate.PaymentAuditLog) *PaymentAuditLogDelete {
+	_d.mutation.Where(ps...)
+	return _d
+}
+
+// Exec executes the deletion query and returns how many vertices were deleted.
+func (_d *PaymentAuditLogDelete) Exec(ctx context.Context) (int, error) {
+	return withHooks(ctx, _d.sqlExec, _d.mutation, _d.hooks)
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (_d *PaymentAuditLogDelete) ExecX(ctx context.Context) int {
+	n, err := _d.Exec(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return n
+}
+
+func (_d *PaymentAuditLogDelete) sqlExec(ctx context.Context) (int, error) {
+	_spec := sqlgraph.NewDeleteSpec(paymentauditlog.Table, sqlgraph.NewFieldSpec(paymentauditlog.FieldID, field.TypeInt64))
+	if ps := _d.mutation.predicates; len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	affected, err := sqlgraph.DeleteNodes(ctx, _d.driver, _spec)
+	if err != nil && sqlgraph.IsConstraintError(err) {
+		err = &ConstraintError{msg: err.Error(), wrap: err}
+	}
+	_d.mutation.done = true
+	return affected, err
+}
+
+// PaymentAuditLogDeleteOne is the builder for deleting a single PaymentAuditLog entity.
+type PaymentAuditLogDeleteOne struct {
+	_d *PaymentAuditLogDelete
+}
+
+// Where appends a list predicates to the PaymentAuditLogDelete builder.
+func (_d *PaymentAuditLogDeleteOne) Where(ps ...predicate.PaymentAuditLog) *PaymentAuditLogDeleteOne {
+	_d._d.mutation.Where(ps...)
+	return _d
+}
+
+// Exec executes the deletion query.
+func (_d *PaymentAuditLogDeleteOne) Exec(ctx context.Context) error {
+	n, err := _d._d.Exec(ctx)
+	switch {
+	case err != nil:
+		return err
+	case n == 0:
+		return &NotFoundError{paymentauditlog.Label}
+	default:
+		return nil
+	}
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (_d *PaymentAuditLogDeleteOne) ExecX(ctx context.Context) {
+	if err := _d.Exec(ctx); err != nil {
+		panic(err)
+	}
+}

backend/ent/paymentauditlog_query.go

+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"fmt"
+	"math"
+
+	"entgo.io/ent"
+	"entgo.io/ent/dialect"
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/schema/field"
+	"github.com/Wei-Shaw/sub2api/ent/paymentauditlog"
+	"github.com/Wei-Shaw/sub2api/ent/predicate"
+)
+
+// PaymentAuditLogQuery is the builder for querying PaymentAuditLog entities.
+type PaymentAuditLogQuery struct {
+	config
+	ctx        *QueryContext
+	order      []paymentauditlog.OrderOption
+	inters     []Interceptor
+	predicates []predicate.PaymentAuditLog
+	modifiers  []func(*sql.Selector)
+	// intermediate query (i.e. traversal path).
+	sql  *sql.Selector
+	path func(context.Context) (*sql.Selector, error)
+}
+
+// Where adds a new predicate for the PaymentAuditLogQuery builder.
+func (_q *PaymentAuditLogQuery) Where(ps ...predicate.PaymentAuditLog) *PaymentAuditLogQuery {
+	_q.predicates = append(_q.predicates, ps...)
+	return _q
+}
+
+// Limit the number of records to be returned by this query.
+func (_q *PaymentAuditLogQuery) Limit(limit int) *PaymentAuditLogQuery {
+	_q.ctx.Limit = &limit
+	return _q
+}
+
+// Offset to start from.
+func (_q *PaymentAuditLogQuery) Offset(offset int) *PaymentAuditLogQuery {
+	_q.ctx.Offset = &offset
+	return _q
+}
+
+// Unique configures the query builder to filter duplicate records on query.
+// By default, unique is set to true, and can be disabled using this method.
+func (_q *PaymentAuditLogQuery) Unique(unique bool) *PaymentAuditLogQuery {
+	_q.ctx.Unique = &unique
+	return _q
+}
+
+// Order specifies how the records should be ordered.
+func (_q *PaymentAuditLogQuery) Order(o ...paymentauditlog.OrderOption) *PaymentAuditLogQuery {
+	_q.order = append(_q.order, o...)
+	return _q
+}
+
+// First returns the first PaymentAuditLog entity from the query.
+// Returns a *NotFoundError when no PaymentAuditLog was found.
+func (_q *PaymentAuditLogQuery) First(ctx context.Context) (*PaymentAuditLog, error) {
+	nodes, err := _q.Limit(1).All(setContextOp(ctx, _q.ctx, ent.OpQueryFirst))
+	if err != nil {
+		return nil, err
+	}
+	if len(nodes) == 0 {
+		return nil, &NotFoundError{paymentauditlog.Label}
+	}
+	return nodes[0], nil
+}
+
+// FirstX is like First, but panics if an error occurs.
+func (_q *PaymentAuditLogQuery) FirstX(ctx context.Context) *PaymentAuditLog {
+	node, err := _q.First(ctx)
+	if err != nil && !IsNotFound(err) {
+		panic(err)
+	}
+	return node
+}
+
+// FirstID returns the first PaymentAuditLog ID from the query.
+// Returns a *NotFoundError when no PaymentAuditLog ID was found.
+func (_q *PaymentAuditLogQuery) FirstID(ctx context.Context) (id int64, err error) {
+	var ids []int64
+	if ids, err = _q.Limit(1).IDs(setContextOp(ctx, _q.ctx, ent.OpQueryFirstID)); err != nil {
+		return
+	}
+	if len(ids) == 0 {
+		err = &NotFoundError{paymentauditlog.Label}
+		return
+	}
+	return ids[0], nil
+}
+
+// FirstIDX is like FirstID, but panics if an error occurs.
+func (_q *PaymentAuditLogQuery) FirstIDX(ctx context.Context) int64 {
+	id, err := _q.FirstID(ctx)
+	if err != nil && !IsNotFound(err) {
+		panic(err)
+	}
+	return id
+}
+
+// Only returns a single PaymentAuditLog entity found by the query, ensuring it only returns one.
+// Returns a *NotSingularError when more than one PaymentAuditLog entity is found.
+// Returns a *NotFoundError when no PaymentAuditLog entities are found.
+func (_q *PaymentAuditLogQuery) Only(ctx context.Context) (*PaymentAuditLog, error) {
+	nodes, err := _q.Limit(2).All(setContextOp(ctx, _q.ctx, ent.OpQueryOnly))
+	if err != nil {
+		return nil, err
+	}
+	switch len(nodes) {
+	case 1:
+		return nodes[0], nil
+	case 0:
+		return nil, &NotFoundError{paymentauditlog.Label}
+	default:
+		return nil, &NotSingularError{paymentauditlog.Label}
+	}
+}
+
+// OnlyX is like Only, but panics if an error occurs.
+func (_q *PaymentAuditLogQuery) OnlyX(ctx context.Context) *PaymentAuditLog {
+	node, err := _q.Only(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return node
+}
+
+// OnlyID is like Only, but returns the only PaymentAuditLog ID in the query.
+// Returns a *NotSingularError when more than one PaymentAuditLog ID is found.
+// Returns a *NotFoundError when no entities are found.
+func (_q *PaymentAuditLogQuery) OnlyID(ctx context.Context) (id int64, err error) {
+	var ids []int64
+	if ids, err = _q.Limit(2).IDs(setContextOp(ctx, _q.ctx, ent.OpQueryOnlyID)); err != nil {
+		return
+	}
+	switch len(ids) {
+	case 1:
+		id = ids[0]
+	case 0:
+		err = &NotFoundError{paymentauditlog.Label}
+	default:
+		err = &NotSingularError{paymentauditlog.Label}
+	}
+	return
+}
+
+// OnlyIDX is like OnlyID, but panics if an error occurs.
+func (_q *PaymentAuditLogQuery) OnlyIDX(ctx context.Context) int64 {
+	id, err := _q.OnlyID(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return id
+}
+
+// All executes the query and returns a list of PaymentAuditLogs.
+func (_q *PaymentAuditLogQuery) All(ctx context.Context) ([]*PaymentAuditLog, error) {
+	ctx = setContextOp(ctx, _q.ctx, ent.OpQueryAll)
+	if err := _q.prepareQuery(ctx); err != nil {
+		return nil, err
+	}
+	qr := querierAll[[]*PaymentAuditLog, *PaymentAuditLogQuery]()
+	return withInterceptors[[]*PaymentAuditLog](ctx, _q, qr, _q.inters)
+}
+
+// AllX is like All, but panics if an error occurs.
+func (_q *PaymentAuditLogQuery) AllX(ctx context.Context) []*PaymentAuditLog {
+	nodes, err := _q.All(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return nodes
+}
+
+// IDs executes the query and returns a list of PaymentAuditLog IDs.
+func (_q *PaymentAuditLogQuery) IDs(ctx context.Context) (ids []int64, err error) {
+	if _q.ctx.Unique == nil && _q.path != nil {
+		_q.Unique(true)
+	}
+	ctx = setContextOp(ctx, _q.ctx, ent.OpQueryIDs)
+	if err = _q.Select(paymentauditlog.FieldID).Scan(ctx, &ids); err != nil {
+		return nil, err
+	}
+	return ids, nil
+}
+
+// IDsX is like IDs, but panics if an error occurs.
+func (_q *PaymentAuditLogQuery) IDsX(ctx context.Context) []int64 {
+	ids, err := _q.IDs(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return ids
+}
+
+// Count returns the count of the given query.
+func (_q *PaymentAuditLogQuery) Count(ctx context.Context) (int, error) {
+	ctx = setContextOp(ctx, _q.ctx, ent.OpQueryCount)
+	if err := _q.prepareQuery(ctx); err != nil {
+		return 0, err
+	}
+	return withInterceptors[int](ctx, _q, querierCount[*PaymentAuditLogQuery](), _q.inters)
+}
+
+// CountX is like Count, but panics if an error occurs.
+func (_q *PaymentAuditLogQuery) CountX(ctx context.Context) int {
+	count, err := _q.Count(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return count
+}
+
+// Exist returns true if the query has elements in the graph.
+func (_q *PaymentAuditLogQuery) Exist(ctx context.Context) (bool, error) {
+	ctx = setContextOp(ctx, _q.ctx, ent.OpQueryExist)
+	switch _, err := _q.FirstID(ctx); {
+	case IsNotFound(err):
+		return false, nil
+	case err != nil:
+		return false, fmt.Errorf("ent: check existence: %w", err)
+	default:
+		return true, nil
+	}
+}
+
+// ExistX is like Exist, but panics if an error occurs.
+func (_q *PaymentAuditLogQuery) ExistX(ctx context.Context) bool {
+	exist, err := _q.Exist(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return exist
+}
+
+// Clone returns a duplicate of the PaymentAuditLogQuery builder, including all associated steps. It can be
+// used to prepare common query builders and use them differently after the clone is made.
+func (_q *PaymentAuditLogQuery) Clone() *PaymentAuditLogQuery {
+	if _q == nil {
+		return nil
+	}
+	return &PaymentAuditLogQuery{
+		config:     _q.config,
+		ctx:        _q.ctx.Clone(),
+		order:      append([]paymentauditlog.OrderOption{}, _q.order...),
+		inters:     append([]Interceptor{}, _q.inters...),
+		predicates: append([]predicate.PaymentAuditLog{}, _q.predicates...),
+		// clone intermediate query.
+		sql:  _q.sql.Clone(),
+		path: _q.path,
+	}
+}
+
+// GroupBy is used to group vertices by one or more fields/columns.
+// It is often used with aggregate functions, like: count, max, mean, min, sum.
+//
+// Example:
+//
+//	var v []struct {
+//		OrderID string `json:"order_id,omitempty"`
+//		Count int `json:"count,omitempty"`
+//	}
+//
+//	client.PaymentAuditLog.Query().
+//		GroupBy(paymentauditlog.FieldOrderID).
+//		Aggregate(ent.Count()).
+//		Scan(ctx, &v)
+func (_q *PaymentAuditLogQuery) GroupBy(field string, fields ...string) *PaymentAuditLogGroupBy {
+	_q.ctx.Fields = append([]string{field}, fields...)
+	grbuild := &PaymentAuditLogGroupBy{build: _q}
+	grbuild.flds = &_q.ctx.Fields
+	grbuild.label = paymentauditlog.Label
+	grbuild.scan = grbuild.Scan
+	return grbuild
+}
+
+// Select allows the selection one or more fields/columns for the given query,
+// instead of selecting all fields in the entity.
+//
+// Example:
+//
+//	var v []struct {
+//		OrderID string `json:"order_id,omitempty"`
+//	}
+//
+//	client.PaymentAuditLog.Query().
+//		Select(paymentauditlog.FieldOrderID).
+//		Scan(ctx, &v)
+func (_q *PaymentAuditLogQuery) Select(fields ...string) *PaymentAuditLogSelect {
+	_q.ctx.Fields = append(_q.ctx.Fields, fields...)
+	sbuild := &PaymentAuditLogSelect{PaymentAuditLogQuery: _q}
+	sbuild.label = paymentauditlog.Label
+	sbuild.flds, sbuild.scan = &_q.ctx.Fields, sbuild.Scan
+	return sbuild
+}
+
+// Aggregate returns a PaymentAuditLogSelect configured with the given aggregations.
+func (_q *PaymentAuditLogQuery) Aggregate(fns ...AggregateFunc) *PaymentAuditLogSelect {
+	return _q.Select().Aggregate(fns...)
+}
+
+func (_q *PaymentAuditLogQuery) prepareQuery(ctx context.Context) error {
+	for _, inter := range _q.inters {
+		if inter == nil {
+			return fmt.Errorf("ent: uninitialized interceptor (forgotten import ent/runtime?)")
+		}
+		if trv, ok := inter.(Traverser); ok {
+			if err := trv.Traverse(ctx, _q); err != nil {
+				return err
+			}
+		}
+	}
+	for _, f := range _q.ctx.Fields {
+		if !paymentauditlog.ValidColumn(f) {
+			return &ValidationError{Name: f, err: fmt.Errorf("ent: invalid field %q for query", f)}
+		}
+	}
+	if _q.path != nil {
+		prev, err := _q.path(ctx)
+		if err != nil {
+			return err
+		}
+		_q.sql = prev
+	}
+	return nil
+}
+
+func (_q *PaymentAuditLogQuery) sqlAll(ctx context.Context, hooks ...queryHook) ([]*PaymentAuditLog, error) {
+	var (
+		nodes = []*PaymentAuditLog{}
+		_spec = _q.querySpec()
+	)
+	_spec.ScanValues = func(columns []string) ([]any, error) {
+		return (*PaymentAuditLog).scanValues(nil, columns)
+	}
+	_spec.Assign = func(columns []string, values []any) error {
+		node := &PaymentAuditLog{config: _q.config}
+		nodes = append(nodes, node)
+		return node.assignValues(columns, values)
+	}
+	if len(_q.modifiers) > 0 {
+		_spec.Modifiers = _q.modifiers
+	}
+	for i := range hooks {
+		hooks[i](ctx, _spec)
+	}
+	if err := sqlgraph.QueryNodes(ctx, _q.driver, _spec); err != nil {
+		return nil, err
+	}
+	if len(nodes) == 0 {
+		return nodes, nil
+	}
+	return nodes, nil
+}
+
+func (_q *PaymentAuditLogQuery) sqlCount(ctx context.Context) (int, error) {
+	_spec := _q.querySpec()
+	if len(_q.modifiers) > 0 {
+		_spec.Modifiers = _q.modifiers
+	}
+	_spec.Node.Columns = _q.ctx.Fields
+	if len(_q.ctx.Fields) > 0 {
+		_spec.Unique = _q.ctx.Unique != nil && *_q.ctx.Unique
+	}
+	return sqlgraph.CountNodes(ctx, _q.driver, _spec)
+}
+
+func (_q *PaymentAuditLogQuery) querySpec() *sqlgraph.QuerySpec {
+	_spec := sqlgraph.NewQuerySpec(paymentauditlog.Table, paymentauditlog.Columns, sqlgraph.NewFieldSpec(paymentauditlog.FieldID, field.TypeInt64))
+	_spec.From = _q.sql
+	if unique := _q.ctx.Unique; unique != nil {
+		_spec.Unique = *unique
+	} else if _q.path != nil {
+		_spec.Unique = true
+	}
+	if fields := _q.ctx.Fields; len(fields) > 0 {
+		_spec.Node.Columns = make([]string, 0, len(fields))
+		_spec.Node.Columns = append(_spec.Node.Columns, paymentauditlog.FieldID)
+		for i := range fields {
+			if fields[i] != paymentauditlog.FieldID {
+				_spec.Node.Columns = append(_spec.Node.Columns, fields[i])
+			}
+		}
+	}
+	if ps := _q.predicates; len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	if limit := _q.ctx.Limit; limit != nil {
+		_spec.Limit = *limit
+	}
+	if offset := _q.ctx.Offset; offset != nil {
+		_spec.Offset = *offset
+	}
+	if ps := _q.order; len(ps) > 0 {
+		_spec.Order = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	return _spec
+}
+
+func (_q *PaymentAuditLogQuery) sqlQuery(ctx context.Context) *sql.Selector {
+	builder := sql.Dialect(_q.driver.Dialect())
+	t1 := builder.Table(paymentauditlog.Table)
+	columns := _q.ctx.Fields
+	if len(columns) == 0 {
+		columns = paymentauditlog.Columns
+	}
+	selector := builder.Select(t1.Columns(columns...)...).From(t1)
+	if _q.sql != nil {
+		selector = _q.sql
+		selector.Select(selector.Columns(columns...)...)
+	}
+	if _q.ctx.Unique != nil && *_q.ctx.Unique {
+		selector.Distinct()
+	}
+	for _, m := range _q.modifiers {
+		m(selector)
+	}
+	for _, p := range _q.predicates {
+		p(selector)
+	}
+	for _, p := range _q.order {
+		p(selector)
+	}
+	if offset := _q.ctx.Offset; offset != nil {
+		// limit is mandatory for offset clause. We start
+		// with default value, and override it below if needed.
+		selector.Offset(*offset).Limit(math.MaxInt32)
+	}
+	if limit := _q.ctx.Limit; limit != nil {
+		selector.Limit(*limit)
+	}
+	return selector
+}
+
+// ForUpdate locks the selected rows against concurrent updates, and prevent them from being
+// updated, deleted or "selected ... for update" by other sessions, until the transaction is
+// either committed or rolled-back.
+func (_q *PaymentAuditLogQuery) ForUpdate(opts ...sql.LockOption) *PaymentAuditLogQuery {
+	if _q.driver.Dialect() == dialect.Postgres {
+		_q.Unique(false)
+	}
+	_q.modifiers = append(_q.modifiers, func(s *sql.Selector) {
+		s.ForUpdate(opts...)
+	})
+	return _q
+}
+
+// ForShare behaves similarly to ForUpdate, except that it acquires a shared mode lock
+// on any rows that are read. Other sessions can read the rows, but cannot modify them
+// until your transaction commits.
+func (_q *PaymentAuditLogQuery) ForShare(opts ...sql.LockOption) *PaymentAuditLogQuery {
+	if _q.driver.Dialect() == dialect.Postgres {
+		_q.Unique(false)
+	}
+	_q.modifiers = append(_q.modifiers, func(s *sql.Selector) {
+		s.ForShare(opts...)
+	})
+	return _q
+}
+
+// PaymentAuditLogGroupBy is the group-by builder for PaymentAuditLog entities.
+type PaymentAuditLogGroupBy struct {
+	selector
+	build *PaymentAuditLogQuery
+}
+
+// Aggregate adds the given aggregation functions to the group-by query.
+func (_g *PaymentAuditLogGroupBy) Aggregate(fns ...AggregateFunc) *PaymentAuditLogGroupBy {
+	_g.fns = append(_g.fns, fns...)
+	return _g
+}
+
+// Scan applies the selector query and scans the result into the given value.
+func (_g *PaymentAuditLogGroupBy) Scan(ctx context.Context, v any) error {
+	ctx = setContextOp(ctx, _g.build.ctx, ent.OpQueryGroupBy)
+	if err := _g.build.prepareQuery(ctx); err != nil {
+		return err
+	}
+	return scanWithInterceptors[*PaymentAuditLogQuery, *PaymentAuditLogGroupBy](ctx, _g.build, _g, _g.build.inters, v)
+}
+
+func (_g *PaymentAuditLogGroupBy) sqlScan(ctx context.Context, root *PaymentAuditLogQuery, v any) error {
+	selector := root.sqlQuery(ctx).Select()
+	aggregation := make([]string, 0, len(_g.fns))
+	for _, fn := range _g.fns {
+		aggregation = append(aggregation, fn(selector))
+	}
+	if len(selector.SelectedColumns()) == 0 {
+		columns := make([]string, 0, len(*_g.flds)+len(_g.fns))
+		for _, f := range *_g.flds {
+			columns = append(columns, selector.C(f))
+		}
+		columns = append(columns, aggregation...)
+		selector.Select(columns...)
+	}
+	selector.GroupBy(selector.Columns(*_g.flds...)...)
+	if err := selector.Err(); err != nil {
+		return err
+	}
+	rows := &sql.Rows{}
+	query, args := selector.Query()
+	if err := _g.build.driver.Query(ctx, query, args, rows); err != nil {
+		return err
+	}
+	defer rows.Close()
+	return sql.ScanSlice(rows, v)
+}
+
+// PaymentAuditLogSelect is the builder for selecting fields of PaymentAuditLog entities.
+type PaymentAuditLogSelect struct {
+	*PaymentAuditLogQuery
+	selector
+}
+
+// Aggregate adds the given aggregation functions to the selector query.
+func (_s *PaymentAuditLogSelect) Aggregate(fns ...AggregateFunc) *PaymentAuditLogSelect {
+	_s.fns = append(_s.fns, fns...)
+	return _s
+}
+
+// Scan applies the selector query and scans the result into the given value.
+func (_s *PaymentAuditLogSelect) Scan(ctx context.Context, v any) error {
+	ctx = setContextOp(ctx, _s.ctx, ent.OpQuerySelect)
+	if err := _s.prepareQuery(ctx); err != nil {
+		return err
+	}
+	return scanWithInterceptors[*PaymentAuditLogQuery, *PaymentAuditLogSelect](ctx, _s.PaymentAuditLogQuery, _s, _s.inters, v)
+}
+
+func (_s *PaymentAuditLogSelect) sqlScan(ctx context.Context, root *PaymentAuditLogQuery, v any) error {
+	selector := root.sqlQuery(ctx)
+	aggregation := make([]string, 0, len(_s.fns))
+	for _, fn := range _s.fns {
+		aggregation = append(aggregation, fn(selector))
+	}
+	switch n := len(*_s.selector.flds); {
+	case n == 0 && len(aggregation) > 0:
+		selector.Select(aggregation...)
+	case n != 0 && len(aggregation) > 0:
+		selector.AppendSelect(aggregation...)
+	}
+	rows := &sql.Rows{}
+	query, args := selector.Query()
+	if err := _s.driver.Query(ctx, query, args, rows); err != nil {
+		return err
+	}
+	defer rows.Close()
+	return sql.ScanSlice(rows, v)
+}

backend/ent/paymentauditlog_update.go

+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"errors"
+	"fmt"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/schema/field"
+	"github.com/Wei-Shaw/sub2api/ent/paymentauditlog"
+	"github.com/Wei-Shaw/sub2api/ent/predicate"
+)
+
+// PaymentAuditLogUpdate is the builder for updating PaymentAuditLog entities.
+type PaymentAuditLogUpdate struct {
+	config
+	hooks    []Hook
+	mutation *PaymentAuditLogMutation
+}
+
+// Where appends a list predicates to the PaymentAuditLogUpdate builder.
+func (_u *PaymentAuditLogUpdate) Where(ps ...predicate.PaymentAuditLog) *PaymentAuditLogUpdate {
+	_u.mutation.Where(ps...)
+	return _u
+}
+
+// SetOrderID sets the "order_id" field.
+func (_u *PaymentAuditLogUpdate) SetOrderID(v string) *PaymentAuditLogUpdate {
+	_u.mutation.SetOrderID(v)
+	return _u
+}
+
+// SetNillableOrderID sets the "order_id" field if the given value is not nil.
+func (_u *PaymentAuditLogUpdate) SetNillableOrderID(v *string) *PaymentAuditLogUpdate {
+	if v != nil {
+		_u.SetOrderID(*v)
+	}
+	return _u
+}
+
+// SetAction sets the "action" field.
+func (_u *PaymentAuditLogUpdate) SetAction(v string) *PaymentAuditLogUpdate {
+	_u.mutation.SetAction(v)
+	return _u
+}
+
+// SetNillableAction sets the "action" field if the given value is not nil.
+func (_u *PaymentAuditLogUpdate) SetNillableAction(v *string) *PaymentAuditLogUpdate {
+	if v != nil {
+		_u.SetAction(*v)
+	}
+	return _u
+}
+
+// SetDetail sets the "detail" field.
+func (_u *PaymentAuditLogUpdate) SetDetail(v string) *PaymentAuditLogUpdate {
+	_u.mutation.SetDetail(v)
+	return _u
+}
+
+// SetNillableDetail sets the "detail" field if the given value is not nil.
+func (_u *PaymentAuditLogUpdate) SetNillableDetail(v *string) *PaymentAuditLogUpdate {
+	if v != nil {
+		_u.SetDetail(*v)
+	}
+	return _u
+}
+
+// SetOperator sets the "operator" field.
+func (_u *PaymentAuditLogUpdate) SetOperator(v string) *PaymentAuditLogUpdate {
+	_u.mutation.SetOperator(v)
+	return _u
+}
+
+// SetNillableOperator sets the "operator" field if the given value is not nil.
+func (_u *PaymentAuditLogUpdate) SetNillableOperator(v *string) *PaymentAuditLogUpdate {
+	if v != nil {
+		_u.SetOperator(*v)
+	}
+	return _u
+}
+
+// Mutation returns the PaymentAuditLogMutation object of the builder.
+func (_u *PaymentAuditLogUpdate) Mutation() *PaymentAuditLogMutation {
+	return _u.mutation
+}
+
+// Save executes the query and returns the number of nodes affected by the update operation.
+func (_u *PaymentAuditLogUpdate) Save(ctx context.Context) (int, error) {
+	return withHooks(ctx, _u.sqlSave, _u.mutation, _u.hooks)
+}
+
+// SaveX is like Save, but panics if an error occurs.
+func (_u *PaymentAuditLogUpdate) SaveX(ctx context.Context) int {
+	affected, err := _u.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return affected
+}
+
+// Exec executes the query.
+func (_u *PaymentAuditLogUpdate) Exec(ctx context.Context) error {
+	_, err := _u.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (_u *PaymentAuditLogUpdate) ExecX(ctx context.Context) {
+	if err := _u.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
+
+// check runs all checks and user-defined validators on the builder.
+func (_u *PaymentAuditLogUpdate) check() error {
+	if v, ok := _u.mutation.OrderID(); ok {
+		if err := paymentauditlog.OrderIDValidator(v); err != nil {
+			return &ValidationError{Name: "order_id", err: fmt.Errorf(`ent: validator failed for field "PaymentAuditLog.order_id": %w`, err)}
+		}
+	}
+	if v, ok := _u.mutation.Action(); ok {
+		if err := paymentauditlog.ActionValidator(v); err != nil {
+			return &ValidationError{Name: "action", err: fmt.Errorf(`ent: validator failed for field "PaymentAuditLog.action": %w`, err)}
+		}
+	}
+	if v, ok := _u.mutation.Operator(); ok {
+		if err := paymentauditlog.OperatorValidator(v); err != nil {
+			return &ValidationError{Name: "operator", err: fmt.Errorf(`ent: validator failed for field "PaymentAuditLog.operator": %w`, err)}
+		}
+	}
+	return nil
+}
+
+func (_u *PaymentAuditLogUpdate) sqlSave(ctx context.Context) (_node int, err error) {
+	if err := _u.check(); err != nil {
+		return _node, err
+	}
+	_spec := sqlgraph.NewUpdateSpec(paymentauditlog.Table, paymentauditlog.Columns, sqlgraph.NewFieldSpec(paymentauditlog.FieldID, field.TypeInt64))
+	if ps := _u.mutation.predicates; len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	if value, ok := _u.mutation.OrderID(); ok {
+		_spec.SetField(paymentauditlog.FieldOrderID, field.TypeString, value)
+	}
+	if value, ok := _u.mutation.Action(); ok {
+		_spec.SetField(paymentauditlog.FieldAction, field.TypeString, value)
+	}
+	if value, ok := _u.mutation.Detail(); ok {
+		_spec.SetField(paymentauditlog.FieldDetail, field.TypeString, value)
+	}
+	if value, ok := _u.mutation.Operator(); ok {
+		_spec.SetField(paymentauditlog.FieldOperator, field.TypeString, value)
+	}
+	if _node, err = sqlgraph.UpdateNodes(ctx, _u.driver, _spec); err != nil {
+		if _, ok := err.(*sqlgraph.NotFoundError); ok {
+			err = &NotFoundError{paymentauditlog.Label}
+		} else if sqlgraph.IsConstraintError(err) {
+			err = &ConstraintError{msg: err.Error(), wrap: err}
+		}
+		return 0, err
+	}
+	_u.mutation.done = true
+	return _node, nil
+}
+
+// PaymentAuditLogUpdateOne is the builder for updating a single PaymentAuditLog entity.
+type PaymentAuditLogUpdateOne struct {
+	config
+	fields   []string
+	hooks    []Hook
+	mutation *PaymentAuditLogMutation
+}
+
+// SetOrderID sets the "order_id" field.
+func (_u *PaymentAuditLogUpdateOne) SetOrderID(v string) *PaymentAuditLogUpdateOne {
+	_u.mutation.SetOrderID(v)
+	return _u
+}
+
+// SetNillableOrderID sets the "order_id" field if the given value is not nil.
+func (_u *PaymentAuditLogUpdateOne) SetNillableOrderID(v *string) *PaymentAuditLogUpdateOne {
+	if v != nil {
+		_u.SetOrderID(*v)
+	}
+	return _u
+}
+
+// SetAction sets the "action" field.
+func (_u *PaymentAuditLogUpdateOne) SetAction(v string) *PaymentAuditLogUpdateOne {
+	_u.mutation.SetAction(v)
+	return _u
+}
+
+// SetNillableAction sets the "action" field if the given value is not nil.
+func (_u *PaymentAuditLogUpdateOne) SetNillableAction(v *string) *PaymentAuditLogUpdateOne {
+	if v != nil {
+		_u.SetAction(*v)
+	}
+	return _u
+}
+
+// SetDetail sets the "detail" field.
+func (_u *PaymentAuditLogUpdateOne) SetDetail(v string) *PaymentAuditLogUpdateOne {
+	_u.mutation.SetDetail(v)
+	return _u
+}
+
+// SetNillableDetail sets the "detail" field if the given value is not nil.
+func (_u *PaymentAuditLogUpdateOne) SetNillableDetail(v *string) *PaymentAuditLogUpdateOne {
+	if v != nil {
+		_u.SetDetail(*v)
+	}
+	return _u
+}
+
+// SetOperator sets the "operator" field.
+func (_u *PaymentAuditLogUpdateOne) SetOperator(v string) *PaymentAuditLogUpdateOne {
+	_u.mutation.SetOperator(v)
+	return _u
+}
+
+// SetNillableOperator sets the "operator" field if the given value is not nil.
+func (_u *PaymentAuditLogUpdateOne) SetNillableOperator(v *string) *PaymentAuditLogUpdateOne {
+	if v != nil {
+		_u.SetOperator(*v)
+	}
+	return _u
+}
+
+// Mutation returns the PaymentAuditLogMutation object of the builder.
+func (_u *PaymentAuditLogUpdateOne) Mutation() *PaymentAuditLogMutation {
+	return _u.mutation
+}
+
+// Where appends a list predicates to the PaymentAuditLogUpdate builder.
+func (_u *PaymentAuditLogUpdateOne) Where(ps ...predicate.PaymentAuditLog) *PaymentAuditLogUpdateOne {
+	_u.mutation.Where(ps...)
+	return _u
+}
+
+// Select allows selecting one or more fields (columns) of the returned entity.
+// The default is selecting all fields defined in the entity schema.
+func (_u *PaymentAuditLogUpdateOne) Select(field string, fields ...string) *PaymentAuditLogUpdateOne {
+	_u.fields = append([]string{field}, fields...)
+	return _u
+}
+
+// Save executes the query and returns the updated PaymentAuditLog entity.
+func (_u *PaymentAuditLogUpdateOne) Save(ctx context.Context) (*PaymentAuditLog, error) {
+	return withHooks(ctx, _u.sqlSave, _u.mutation, _u.hooks)
+}
+
+// SaveX is like Save, but panics if an error occurs.
+func (_u *PaymentAuditLogUpdateOne) SaveX(ctx context.Context) *PaymentAuditLog {
+	node, err := _u.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return node
+}
+
+// Exec executes the query on the entity.
+func (_u *PaymentAuditLogUpdateOne) Exec(ctx context.Context) error {
+	_, err := _u.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (_u *PaymentAuditLogUpdateOne) ExecX(ctx context.Context) {
+	if err := _u.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
+
+// check runs all checks and user-defined validators on the builder.
+func (_u *PaymentAuditLogUpdateOne) check() error {
+	if v, ok := _u.mutation.OrderID(); ok {
+		if err := paymentauditlog.OrderIDValidator(v); err != nil {
+			return &ValidationError{Name: "order_id", err: fmt.Errorf(`ent: validator failed for field "PaymentAuditLog.order_id": %w`, err)}
+		}
+	}
+	if v, ok := _u.mutation.Action(); ok {
+		if err := paymentauditlog.ActionValidator(v); err != nil {
+			return &ValidationError{Name: "action", err: fmt.Errorf(`ent: validator failed for field "PaymentAuditLog.action": %w`, err)}
+		}
+	}
+	if v, ok := _u.mutation.Operator(); ok {
+		if err := paymentauditlog.OperatorValidator(v); err != nil {
+			return &ValidationError{Name: "operator", err: fmt.Errorf(`ent: validator failed for field "PaymentAuditLog.operator": %w`, err)}
+		}
+	}
+	return nil
+}
+
+func (_u *PaymentAuditLogUpdateOne) sqlSave(ctx context.Context) (_node *PaymentAuditLog, err error) {
+	if err := _u.check(); err != nil {
+		return _node, err
+	}
+	_spec := sqlgraph.NewUpdateSpec(paymentauditlog.Table, paymentauditlog.Columns, sqlgraph.NewFieldSpec(paymentauditlog.FieldID, field.TypeInt64))
+	id, ok := _u.mutation.ID()
+	if !ok {
+		return nil, &ValidationError{Name: "id", err: errors.New(`ent: missing "PaymentAuditLog.id" for update`)}
+	}
+	_spec.Node.ID.Value = id
+	if fields := _u.fields; len(fields) > 0 {
+		_spec.Node.Columns = make([]string, 0, len(fields))
+		_spec.Node.Columns = append(_spec.Node.Columns, paymentauditlog.FieldID)
+		for _, f := range fields {
+			if !paymentauditlog.ValidColumn(f) {
+				return nil, &ValidationError{Name: f, err: fmt.Errorf("ent: invalid field %q for query", f)}
+			}
+			if f != paymentauditlog.FieldID {
+				_spec.Node.Columns = append(_spec.Node.Columns, f)
+			}
+		}
+	}
+	if ps := _u.mutation.predicates; len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	if value, ok := _u.mutation.OrderID(); ok {
+		_spec.SetField(paymentauditlog.FieldOrderID, field.TypeString, value)
+	}
+	if value, ok := _u.mutation.Action(); ok {
+		_spec.SetField(paymentauditlog.FieldAction, field.TypeString, value)
+	}
+	if value, ok := _u.mutation.Detail(); ok {
+		_spec.SetField(paymentauditlog.FieldDetail, field.TypeString, value)
+	}
+	if value, ok := _u.mutation.Operator(); ok {
+		_spec.SetField(paymentauditlog.FieldOperator, field.TypeString, value)
+	}
+	_node = &PaymentAuditLog{config: _u.config}
+	_spec.Assign = _node.assignValues
+	_spec.ScanValues = _node.scanValues
+	if err = sqlgraph.UpdateNode(ctx, _u.driver, _spec); err != nil {
+		if _, ok := err.(*sqlgraph.NotFoundError); ok {
+			err = &NotFoundError{paymentauditlog.Label}
+		} else if sqlgraph.IsConstraintError(err) {
+			err = &ConstraintError{msg: err.Error(), wrap: err}
+		}
+		return nil, err
+	}
+	_u.mutation.done = true
+	return _node, nil
+}

backend/ent/paymentorder/paymentorder.go

+// Code generated by ent, DO NOT EDIT.
+
+package paymentorder
+
+import (
+	"time"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+)
+
+const (
+	// Label holds the string label denoting the paymentorder type in the database.
+	Label = "payment_order"
+	// FieldID holds the string denoting the id field in the database.
+	FieldID = "id"
+	// FieldUserID holds the string denoting the user_id field in the database.
+	FieldUserID = "user_id"
+	// FieldUserEmail holds the string denoting the user_email field in the database.
+	FieldUserEmail = "user_email"
+	// FieldUserName holds the string denoting the user_name field in the database.
+	FieldUserName = "user_name"
+	// FieldUserNotes holds the string denoting the user_notes field in the database.
+	FieldUserNotes = "user_notes"
+	// FieldAmount holds the string denoting the amount field in the database.
+	FieldAmount = "amount"
+	// FieldPayAmount holds the string denoting the pay_amount field in the database.
+	FieldPayAmount = "pay_amount"
+	// FieldFeeRate holds the string denoting the fee_rate field in the database.
+	FieldFeeRate = "fee_rate"
+	// FieldRechargeCode holds the string denoting the recharge_code field in the database.
+	FieldRechargeCode = "recharge_code"
+	// FieldOutTradeNo holds the string denoting the out_trade_no field in the database.
+	FieldOutTradeNo = "out_trade_no"
+	// FieldPaymentType holds the string denoting the payment_type field in the database.
+	FieldPaymentType = "payment_type"
+	// FieldPaymentTradeNo holds the string denoting the payment_trade_no field in the database.
+	FieldPaymentTradeNo = "payment_trade_no"
+	// FieldPayURL holds the string denoting the pay_url field in the database.
+	FieldPayURL = "pay_url"
+	// FieldQrCode holds the string denoting the qr_code field in the database.
+	FieldQrCode = "qr_code"
+	// FieldQrCodeImg holds the string denoting the qr_code_img field in the database.
+	FieldQrCodeImg = "qr_code_img"
+	// FieldOrderType holds the string denoting the order_type field in the database.
+	FieldOrderType = "order_type"
+	// FieldPlanID holds the string denoting the plan_id field in the database.
+	FieldPlanID = "plan_id"
+	// FieldSubscriptionGroupID holds the string denoting the subscription_group_id field in the database.
+	FieldSubscriptionGroupID = "subscription_group_id"
+	// FieldSubscriptionDays holds the string denoting the subscription_days field in the database.
+	FieldSubscriptionDays = "subscription_days"
+	// FieldProviderInstanceID holds the string denoting the provider_instance_id field in the database.
+	FieldProviderInstanceID = "provider_instance_id"
+	// FieldStatus holds the string denoting the status field in the database.
+	FieldStatus = "status"
+	// FieldRefundAmount holds the string denoting the refund_amount field in the database.
+	FieldRefundAmount = "refund_amount"
+	// FieldRefundReason holds the string denoting the refund_reason field in the database.
+	FieldRefundReason = "refund_reason"
+	// FieldRefundAt holds the string denoting the refund_at field in the database.
+	FieldRefundAt = "refund_at"
+	// FieldForceRefund holds the string denoting the force_refund field in the database.
+	FieldForceRefund = "force_refund"
+	// FieldRefundRequestedAt holds the string denoting the refund_requested_at field in the database.
+	FieldRefundRequestedAt = "refund_requested_at"
+	// FieldRefundRequestReason holds the string denoting the refund_request_reason field in the database.
+	FieldRefundRequestReason = "refund_request_reason"
+	// FieldRefundRequestedBy holds the string denoting the refund_requested_by field in the database.
+	FieldRefundRequestedBy = "refund_requested_by"
+	// FieldExpiresAt holds the string denoting the expires_at field in the database.
+	FieldExpiresAt = "expires_at"
+	// FieldPaidAt holds the string denoting the paid_at field in the database.
+	FieldPaidAt = "paid_at"
+	// FieldCompletedAt holds the string denoting the completed_at field in the database.
+	FieldCompletedAt = "completed_at"
+	// FieldFailedAt holds the string denoting the failed_at field in the database.
+	FieldFailedAt = "failed_at"
+	// FieldFailedReason holds the string denoting the failed_reason field in the database.
+	FieldFailedReason = "failed_reason"
+	// FieldClientIP holds the string denoting the client_ip field in the database.
+	FieldClientIP = "client_ip"
+	// FieldSrcHost holds the string denoting the src_host field in the database.
+	FieldSrcHost = "src_host"
+	// FieldSrcURL holds the string denoting the src_url field in the database.
+	FieldSrcURL = "src_url"
+	// FieldCreatedAt holds the string denoting the created_at field in the database.
+	FieldCreatedAt = "created_at"
+	// FieldUpdatedAt holds the string denoting the updated_at field in the database.
+	FieldUpdatedAt = "updated_at"
+	// EdgeUser holds the string denoting the user edge name in mutations.
+	EdgeUser = "user"
+	// Table holds the table name of the paymentorder in the database.
+	Table = "payment_orders"
+	// UserTable is the table that holds the user relation/edge.
+	UserTable = "payment_orders"
+	// UserInverseTable is the table name for the User entity.
+	// It exists in this package in order to avoid circular dependency with the "user" package.
+	UserInverseTable = "users"
+	// UserColumn is the table column denoting the user relation/edge.
+	UserColumn = "user_id"
+)
+
+// Columns holds all SQL columns for paymentorder fields.
+var Columns = []string{
+	FieldID,
+	FieldUserID,
+	FieldUserEmail,
+	FieldUserName,
+	FieldUserNotes,
+	FieldAmount,
+	FieldPayAmount,
+	FieldFeeRate,
+	FieldRechargeCode,
+	FieldOutTradeNo,
+	FieldPaymentType,
+	FieldPaymentTradeNo,
+	FieldPayURL,
+	FieldQrCode,
+	FieldQrCodeImg,
+	FieldOrderType,
+	FieldPlanID,
+	FieldSubscriptionGroupID,
+	FieldSubscriptionDays,
+	FieldProviderInstanceID,
+	FieldStatus,
+	FieldRefundAmount,
+	FieldRefundReason,
+	FieldRefundAt,
+	FieldForceRefund,
+	FieldRefundRequestedAt,
+	FieldRefundRequestReason,
+	FieldRefundRequestedBy,
+	FieldExpiresAt,
+	FieldPaidAt,
+	FieldCompletedAt,
+	FieldFailedAt,
+	FieldFailedReason,
+	FieldClientIP,
+	FieldSrcHost,
+	FieldSrcURL,
+	FieldCreatedAt,
+	FieldUpdatedAt,
+}
+
+// ValidColumn reports if the column name is valid (part of the table columns).
+func ValidColumn(column string) bool {
+	for i := range Columns {
+		if column == Columns[i] {
+			return true
+		}
+	}
+	return false
+}
+
+var (
+	// UserEmailValidator is a validator for the "user_email" field. It is called by the builders before save.
+	UserEmailValidator func(string) error
+	// UserNameValidator is a validator for the "user_name" field. It is called by the builders before save.
+	UserNameValidator func(string) error
+	// DefaultFeeRate holds the default value on creation for the "fee_rate" field.
+	DefaultFeeRate float64
+	// RechargeCodeValidator is a validator for the "recharge_code" field. It is called by the builders before save.
+	RechargeCodeValidator func(string) error
+	// DefaultOutTradeNo holds the default value on creation for the "out_trade_no" field.
+	DefaultOutTradeNo string
+	// OutTradeNoValidator is a validator for the "out_trade_no" field. It is called by the builders before save.
+	OutTradeNoValidator func(string) error
+	// PaymentTypeValidator is a validator for the "payment_type" field. It is called by the builders before save.
+	PaymentTypeValidator func(string) error
+	// PaymentTradeNoValidator is a validator for the "payment_trade_no" field. It is called by the builders before save.
+	PaymentTradeNoValidator func(string) error
+	// DefaultOrderType holds the default value on creation for the "order_type" field.
+	DefaultOrderType string
+	// OrderTypeValidator is a validator for the "order_type" field. It is called by the builders before save.
+	OrderTypeValidator func(string) error
+	// ProviderInstanceIDValidator is a validator for the "provider_instance_id" field. It is called by the builders before save.
+	ProviderInstanceIDValidator func(string) error
+	// DefaultStatus holds the default value on creation for the "status" field.
+	DefaultStatus string
+	// StatusValidator is a validator for the "status" field. It is called by the builders before save.
+	StatusValidator func(string) error
+	// DefaultRefundAmount holds the default value on creation for the "refund_amount" field.
+	DefaultRefundAmount float64
+	// DefaultForceRefund holds the default value on creation for the "force_refund" field.
+	DefaultForceRefund bool
+	// RefundRequestedByValidator is a validator for the "refund_requested_by" field. It is called by the builders before save.
+	RefundRequestedByValidator func(string) error
+	// ClientIPValidator is a validator for the "client_ip" field. It is called by the builders before save.
+	ClientIPValidator func(string) error
+	// SrcHostValidator is a validator for the "src_host" field. It is called by the builders before save.
+	SrcHostValidator func(string) error
+	// DefaultCreatedAt holds the default value on creation for the "created_at" field.
+	DefaultCreatedAt func() time.Time
+	// DefaultUpdatedAt holds the default value on creation for the "updated_at" field.
+	DefaultUpdatedAt func() time.Time
+	// UpdateDefaultUpdatedAt holds the default value on update for the "updated_at" field.
+	UpdateDefaultUpdatedAt func() time.Time
+)
+
+// OrderOption defines the ordering options for the PaymentOrder queries.
+type OrderOption func(*sql.Selector)
+
+// ByID orders the results by the id field.
+func ByID(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldID, opts...).ToFunc()
+}
+
+// ByUserID orders the results by the user_id field.
+func ByUserID(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldUserID, opts...).ToFunc()
+}
+
+// ByUserEmail orders the results by the user_email field.
+func ByUserEmail(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldUserEmail, opts...).ToFunc()
+}
+
+// ByUserName orders the results by the user_name field.
+func ByUserName(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldUserName, opts...).ToFunc()
+}
+
+// ByUserNotes orders the results by the user_notes field.
+func ByUserNotes(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldUserNotes, opts...).ToFunc()
+}
+
+// ByAmount orders the results by the amount field.
+func ByAmount(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldAmount, opts...).ToFunc()
+}
+
+// ByPayAmount orders the results by the pay_amount field.
+func ByPayAmount(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldPayAmount, opts...).ToFunc()
+}
+
+// ByFeeRate orders the results by the fee_rate field.
+func ByFeeRate(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldFeeRate, opts...).ToFunc()
+}
+
+// ByRechargeCode orders the results by the recharge_code field.
+func ByRechargeCode(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldRechargeCode, opts...).ToFunc()
+}
+
+// ByOutTradeNo orders the results by the out_trade_no field.
+func ByOutTradeNo(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldOutTradeNo, opts...).ToFunc()
+}
+
+// ByPaymentType orders the results by the payment_type field.
+func ByPaymentType(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldPaymentType, opts...).ToFunc()
+}
+
+// ByPaymentTradeNo orders the results by the payment_trade_no field.
+func ByPaymentTradeNo(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldPaymentTradeNo, opts...).ToFunc()
+}
+
+// ByPayURL orders the results by the pay_url field.
+func ByPayURL(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldPayURL, opts...).ToFunc()
+}
+
+// ByQrCode orders the results by the qr_code field.
+func ByQrCode(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldQrCode, opts...).ToFunc()
+}
+
+// ByQrCodeImg orders the results by the qr_code_img field.
+func ByQrCodeImg(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldQrCodeImg, opts...).ToFunc()
+}
+
+// ByOrderType orders the results by the order_type field.
+func ByOrderType(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldOrderType, opts...).ToFunc()
+}
+
+// ByPlanID orders the results by the plan_id field.
+func ByPlanID(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldPlanID, opts...).ToFunc()
+}
+
+// BySubscriptionGroupID orders the results by the subscription_group_id field.
+func BySubscriptionGroupID(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldSubscriptionGroupID, opts...).ToFunc()
+}
+
+// BySubscriptionDays orders the results by the subscription_days field.
+func BySubscriptionDays(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldSubscriptionDays, opts...).ToFunc()
+}
+
+// ByProviderInstanceID orders the results by the provider_instance_id field.
+func ByProviderInstanceID(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldProviderInstanceID, opts...).ToFunc()
+}
+
+// ByStatus orders the results by the status field.
+func ByStatus(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldStatus, opts...).ToFunc()
+}
+
+// ByRefundAmount orders the results by the refund_amount field.
+func ByRefundAmount(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldRefundAmount, opts...).ToFunc()
+}
+
+// ByRefundReason orders the results by the refund_reason field.
+func ByRefundReason(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldRefundReason, opts...).ToFunc()
+}
+
+// ByRefundAt orders the results by the refund_at field.
+func ByRefundAt(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldRefundAt, opts...).ToFunc()
+}
+
+// ByForceRefund orders the results by the force_refund field.
+func ByForceRefund(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldForceRefund, opts...).ToFunc()
+}
+
+// ByRefundRequestedAt orders the results by the refund_requested_at field.
+func ByRefundRequestedAt(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldRefundRequestedAt, opts...).ToFunc()
+}
+
+// ByRefundRequestReason orders the results by the refund_request_reason field.
+func ByRefundRequestReason(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldRefundRequestReason, opts...).ToFunc()
+}
+
+// ByRefundRequestedBy orders the results by the refund_requested_by field.
+func ByRefundRequestedBy(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldRefundRequestedBy, opts...).ToFunc()
+}
+
+// ByExpiresAt orders the results by the expires_at field.
+func ByExpiresAt(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldExpiresAt, opts...).ToFunc()
+}
+
+// ByPaidAt orders the results by the paid_at field.
+func ByPaidAt(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldPaidAt, opts...).ToFunc()
+}
+
+// ByCompletedAt orders the results by the completed_at field.
+func ByCompletedAt(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldCompletedAt, opts...).ToFunc()
+}
+
+// ByFailedAt orders the results by the failed_at field.
+func ByFailedAt(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldFailedAt, opts...).ToFunc()
+}
+
+// ByFailedReason orders the results by the failed_reason field.
+func ByFailedReason(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldFailedReason, opts...).ToFunc()
+}
+
+// ByClientIP orders the results by the client_ip field.
+func ByClientIP(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldClientIP, opts...).ToFunc()
+}
+
+// BySrcHost orders the results by the src_host field.
+func BySrcHost(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldSrcHost, opts...).ToFunc()
+}
+
+// BySrcURL orders the results by the src_url field.
+func BySrcURL(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldSrcURL, opts...).ToFunc()
+}
+
+// ByCreatedAt orders the results by the created_at field.
+func ByCreatedAt(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldCreatedAt, opts...).ToFunc()
+}
+
+// ByUpdatedAt orders the results by the updated_at field.
+func ByUpdatedAt(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldUpdatedAt, opts...).ToFunc()
+}
+
+// ByUserField orders the results by user field.
+func ByUserField(field string, opts ...sql.OrderTermOption) OrderOption {
+	return func(s *sql.Selector) {
+		sqlgraph.OrderByNeighborTerms(s, newUserStep(), sql.OrderByField(field, opts...))
+	}
+}
+func newUserStep() *sqlgraph.Step {
+	return sqlgraph.NewStep(
+		sqlgraph.From(Table, FieldID),
+		sqlgraph.To(UserInverseTable, FieldID),
+		sqlgraph.Edge(sqlgraph.M2O, true, UserTable, UserColumn),
+	)
+}