李建琦
6d655c9903
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560 lines
18 KiB
Go
560 lines
18 KiB
Go
package repository
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import (
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"context"
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"database/sql"
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"errors"
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"strings"
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dbent "github.com/Wei-Shaw/sub2api/ent"
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"github.com/Wei-Shaw/sub2api/internal/pkg/logger"
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"github.com/Wei-Shaw/sub2api/internal/service"
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)
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type usageBillingRepository struct {
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db *sql.DB
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}
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func NewUsageBillingRepository(_ *dbent.Client, sqlDB *sql.DB) service.UsageBillingRepository {
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return &usageBillingRepository{db: sqlDB}
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}
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func (r *usageBillingRepository) Apply(ctx context.Context, cmd *service.UsageBillingCommand) (_ *service.UsageBillingApplyResult, err error) {
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if cmd == nil {
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return &service.UsageBillingApplyResult{}, nil
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}
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if r == nil || r.db == nil {
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return nil, errors.New("usage billing repository db is nil")
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}
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cmd.Normalize()
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if cmd.RequestID == "" {
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return nil, service.ErrUsageBillingRequestIDRequired
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}
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tx, err := r.db.BeginTx(ctx, nil)
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if err != nil {
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return nil, err
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}
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defer func() {
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if tx != nil {
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_ = tx.Rollback()
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}
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}()
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applied, err := r.claimUsageBillingKey(ctx, tx, cmd)
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if err != nil {
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return nil, err
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}
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if !applied {
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return &service.UsageBillingApplyResult{Applied: false}, nil
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}
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result := &service.UsageBillingApplyResult{Applied: true}
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if err := r.applyUsageBillingEffects(ctx, tx, cmd, result); err != nil {
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return nil, err
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}
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if err := tx.Commit(); err != nil {
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return nil, err
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}
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tx = nil
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return result, nil
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}
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func (r *usageBillingRepository) claimUsageBillingKey(ctx context.Context, tx *sql.Tx, cmd *service.UsageBillingCommand) (bool, error) {
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return r.claimUsageBillingRequest(ctx, tx, cmd.RequestID, cmd.APIKeyID, cmd.RequestFingerprint)
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}
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func (r *usageBillingRepository) claimUsageBillingRequest(ctx context.Context, tx *sql.Tx, requestID string, apiKeyID int64, requestFingerprint string) (bool, error) {
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var id int64
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err := tx.QueryRowContext(ctx, `
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INSERT INTO usage_billing_dedup (request_id, api_key_id, request_fingerprint)
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VALUES ($1, $2, $3)
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ON CONFLICT (request_id, api_key_id) DO NOTHING
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RETURNING id
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`, requestID, apiKeyID, requestFingerprint).Scan(&id)
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if errors.Is(err, sql.ErrNoRows) {
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var existingFingerprint string
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if err := tx.QueryRowContext(ctx, `
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SELECT request_fingerprint
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FROM usage_billing_dedup
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WHERE request_id = $1 AND api_key_id = $2
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`, requestID, apiKeyID).Scan(&existingFingerprint); err != nil {
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return false, err
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}
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if strings.TrimSpace(existingFingerprint) != strings.TrimSpace(requestFingerprint) {
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return false, service.ErrUsageBillingRequestConflict
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}
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return false, nil
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}
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if err != nil {
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return false, err
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}
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var archivedFingerprint string
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err = tx.QueryRowContext(ctx, `
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SELECT request_fingerprint
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FROM usage_billing_dedup_archive
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WHERE request_id = $1 AND api_key_id = $2
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`, requestID, apiKeyID).Scan(&archivedFingerprint)
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if err == nil {
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if strings.TrimSpace(archivedFingerprint) != strings.TrimSpace(requestFingerprint) {
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return false, service.ErrUsageBillingRequestConflict
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}
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return false, nil
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}
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if !errors.Is(err, sql.ErrNoRows) {
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return false, err
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}
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return true, nil
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}
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func (r *usageBillingRepository) ReserveBatchImageBalance(ctx context.Context, cmd *service.BatchImageBalanceHoldCommand) (*service.BatchImageBalanceHoldResult, error) {
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return r.applyBatchImageBalanceHold(ctx, cmd, reserveUsageBillingBatchImageBalance)
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}
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func (r *usageBillingRepository) CaptureBatchImageBalance(ctx context.Context, cmd *service.BatchImageBalanceHoldCommand) (*service.BatchImageBalanceHoldResult, error) {
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return r.applyBatchImageBalanceHold(ctx, cmd, captureUsageBillingBatchImageBalance)
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}
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func (r *usageBillingRepository) ReleaseBatchImageBalance(ctx context.Context, cmd *service.BatchImageBalanceHoldCommand) (*service.BatchImageBalanceHoldResult, error) {
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return r.applyBatchImageBalanceHold(ctx, cmd, releaseUsageBillingBatchImageBalance)
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}
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func (r *usageBillingRepository) applyBatchImageBalanceHold(
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ctx context.Context,
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cmd *service.BatchImageBalanceHoldCommand,
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apply func(context.Context, *sql.Tx, *service.BatchImageBalanceHoldCommand) (*service.BatchImageBalanceHoldResult, error),
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) (_ *service.BatchImageBalanceHoldResult, err error) {
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if cmd == nil {
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return &service.BatchImageBalanceHoldResult{}, nil
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}
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if r == nil || r.db == nil {
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return nil, errors.New("usage billing repository db is nil")
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}
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cmd.Normalize()
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if cmd.RequestID == "" {
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return nil, service.ErrUsageBillingRequestIDRequired
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}
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tx, err := r.db.BeginTx(ctx, nil)
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if err != nil {
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return nil, err
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}
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defer func() {
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if tx != nil {
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_ = tx.Rollback()
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}
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}()
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applied, err := r.claimUsageBillingRequest(ctx, tx, cmd.RequestID, cmd.APIKeyID, cmd.RequestFingerprint)
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if err != nil {
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return nil, err
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}
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if !applied {
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return &service.BatchImageBalanceHoldResult{Applied: false}, nil
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}
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result, err := apply(ctx, tx, cmd)
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if err != nil {
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return nil, err
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}
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if result == nil {
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result = &service.BatchImageBalanceHoldResult{}
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}
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result.Applied = true
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if err := tx.Commit(); err != nil {
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return nil, err
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}
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tx = nil
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return result, nil
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}
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func (r *usageBillingRepository) applyUsageBillingEffects(ctx context.Context, tx *sql.Tx, cmd *service.UsageBillingCommand, result *service.UsageBillingApplyResult) error {
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if cmd.SubscriptionCost > 0 && cmd.SubscriptionID != nil {
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if err := incrementUsageBillingSubscription(ctx, tx, *cmd.SubscriptionID, cmd.SubscriptionCost); err != nil {
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return err
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}
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}
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if cmd.BalanceCost > 0 {
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newBalance, sufficient, err := deductUsageBillingBalance(ctx, tx, cmd.UserID, cmd.BalanceCost)
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if err != nil {
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return err
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}
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result.NewBalance = &newBalance
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result.BalanceOverdrafted = !sufficient
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}
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if cmd.APIKeyQuotaCost > 0 {
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exhausted, err := incrementUsageBillingAPIKeyQuota(ctx, tx, cmd.APIKeyID, cmd.APIKeyQuotaCost)
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if err != nil {
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return err
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}
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result.APIKeyQuotaExhausted = exhausted
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}
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if cmd.APIKeyRateLimitCost > 0 {
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if err := incrementUsageBillingAPIKeyRateLimit(ctx, tx, cmd.APIKeyID, cmd.APIKeyRateLimitCost); err != nil {
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return err
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}
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}
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if cmd.AccountQuotaCost > 0 && (strings.EqualFold(cmd.AccountType, service.AccountTypeAPIKey) || strings.EqualFold(cmd.AccountType, service.AccountTypeBedrock)) {
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quotaState, err := incrementUsageBillingAccountQuota(ctx, tx, cmd.AccountID, cmd.AccountQuotaCost)
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if err != nil {
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return err
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}
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result.QuotaState = quotaState
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}
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return nil
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}
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func incrementUsageBillingSubscription(ctx context.Context, tx *sql.Tx, subscriptionID int64, costUSD float64) error {
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const updateSQL = `
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UPDATE user_subscriptions us
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SET
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daily_usage_usd = us.daily_usage_usd + $1,
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weekly_usage_usd = us.weekly_usage_usd + $1,
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monthly_usage_usd = us.monthly_usage_usd + $1,
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updated_at = NOW()
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FROM groups g
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WHERE us.id = $2
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AND us.deleted_at IS NULL
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AND us.group_id = g.id
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AND g.deleted_at IS NULL
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`
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res, err := tx.ExecContext(ctx, updateSQL, costUSD, subscriptionID)
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if err != nil {
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return err
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}
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affected, err := res.RowsAffected()
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if err != nil {
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return err
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}
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if affected > 0 {
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return nil
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}
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return service.ErrSubscriptionNotFound
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}
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func deductUsageBillingBalance(ctx context.Context, tx *sql.Tx, userID int64, amount float64) (float64, bool, error) {
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var newBalance float64
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err := tx.QueryRowContext(ctx, `
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UPDATE users
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SET balance = balance - $1,
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updated_at = NOW()
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WHERE id = $2 AND deleted_at IS NULL AND balance >= $1
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RETURNING balance
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`, amount, userID).Scan(&newBalance)
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if err == nil {
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return newBalance, true, nil
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}
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if !errors.Is(err, sql.ErrNoRows) {
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return 0, false, err
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}
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err = tx.QueryRowContext(ctx, `
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UPDATE users
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SET balance = balance - $1,
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updated_at = NOW()
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WHERE id = $2 AND deleted_at IS NULL
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RETURNING balance
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`, amount, userID).Scan(&newBalance)
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if errors.Is(err, sql.ErrNoRows) {
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return 0, false, service.ErrUserNotFound
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}
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if err != nil {
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return 0, false, err
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}
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return newBalance, false, nil
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}
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func reserveUsageBillingBatchImageBalance(ctx context.Context, tx *sql.Tx, cmd *service.BatchImageBalanceHoldCommand) (*service.BatchImageBalanceHoldResult, error) {
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if cmd.HoldAmount <= 0 {
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return &service.BatchImageBalanceHoldResult{}, nil
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}
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var balance, frozen float64
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err := tx.QueryRowContext(ctx, `
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UPDATE users
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SET balance = balance - $1,
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frozen_balance = COALESCE(frozen_balance, 0) + $1,
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updated_at = NOW()
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WHERE id = $2 AND deleted_at IS NULL AND balance >= $1
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RETURNING balance, frozen_balance
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`, cmd.HoldAmount, cmd.UserID).Scan(&balance, &frozen)
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if err == nil {
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return &service.BatchImageBalanceHoldResult{NewBalance: &balance, FrozenBalance: &frozen}, nil
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}
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if !errors.Is(err, sql.ErrNoRows) {
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return nil, err
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}
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if exists, existsErr := userExistsForBilling(ctx, tx, cmd.UserID); existsErr != nil {
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return nil, existsErr
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} else if !exists {
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return nil, service.ErrUserNotFound
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}
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return nil, service.ErrBatchImageInsufficientBalance
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}
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func captureUsageBillingBatchImageBalance(ctx context.Context, tx *sql.Tx, cmd *service.BatchImageBalanceHoldCommand) (*service.BatchImageBalanceHoldResult, error) {
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if cmd.HoldAmount <= 0 && cmd.ActualAmount <= 0 {
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return &service.BatchImageBalanceHoldResult{}, nil
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}
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if cmd.ActualAmount-cmd.HoldAmount > 0.00000001 {
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return nil, service.ErrBatchImageSettlementCostExceedsHold
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}
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var balance, frozen float64
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err := tx.QueryRowContext(ctx, `
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UPDATE users
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SET balance = balance
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+ CASE WHEN $1 > $2 THEN $1 - $2 ELSE 0 END
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- CASE WHEN $2 > $1 THEN $2 - $1 ELSE 0 END,
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frozen_balance = COALESCE(frozen_balance, 0) - $1,
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updated_at = NOW()
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WHERE id = $3 AND deleted_at IS NULL AND COALESCE(frozen_balance, 0) >= $1
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RETURNING balance, frozen_balance
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`, cmd.HoldAmount, cmd.ActualAmount, cmd.UserID).Scan(&balance, &frozen)
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if err == nil {
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return &service.BatchImageBalanceHoldResult{NewBalance: &balance, FrozenBalance: &frozen}, nil
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}
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if !errors.Is(err, sql.ErrNoRows) {
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return nil, err
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}
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if exists, existsErr := userExistsForBilling(ctx, tx, cmd.UserID); existsErr != nil {
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return nil, existsErr
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} else if !exists {
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return nil, service.ErrUserNotFound
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}
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return nil, errors.New("batch image frozen balance is insufficient")
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}
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func releaseUsageBillingBatchImageBalance(ctx context.Context, tx *sql.Tx, cmd *service.BatchImageBalanceHoldCommand) (*service.BatchImageBalanceHoldResult, error) {
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if cmd.HoldAmount <= 0 {
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return &service.BatchImageBalanceHoldResult{}, nil
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}
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// 释放前校验该 job 确实预留过 hold（hold request id 已被 claim），
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// 防止从未成功冻结的 job 触发"幻影释放"，从其他用户的冻结资金池中凭空生成余额。
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held, heldErr := batchImageHoldClaimExists(ctx, tx, service.BatchImageHoldRequestID(cmd.BatchID), cmd.APIKeyID)
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if heldErr != nil {
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return nil, heldErr
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}
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if !held {
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logger.LegacyPrintf("repository.usage_billing", "[BatchImage] release skipped, hold was never reserved: batch=%s", cmd.BatchID)
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return &service.BatchImageBalanceHoldResult{}, nil
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}
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var balance, frozen float64
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err := tx.QueryRowContext(ctx, `
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UPDATE users
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SET balance = balance + $1,
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frozen_balance = COALESCE(frozen_balance, 0) - $1,
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updated_at = NOW()
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WHERE id = $2 AND deleted_at IS NULL AND COALESCE(frozen_balance, 0) >= $1
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RETURNING balance, frozen_balance
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`, cmd.HoldAmount, cmd.UserID).Scan(&balance, &frozen)
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if err == nil {
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return &service.BatchImageBalanceHoldResult{NewBalance: &balance, FrozenBalance: &frozen}, nil
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}
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if !errors.Is(err, sql.ErrNoRows) {
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return nil, err
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}
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if exists, existsErr := userExistsForBilling(ctx, tx, cmd.UserID); existsErr != nil {
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return nil, existsErr
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} else if !exists {
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return nil, service.ErrUserNotFound
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}
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return nil, errors.New("batch image frozen balance is insufficient")
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}
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// batchImageHoldClaimExists 检查 hold request id 是否已在 dedup（或归档）表中被 claim，
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// 即该 batch 的冻结操作确实成功提交过。
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func batchImageHoldClaimExists(ctx context.Context, tx *sql.Tx, holdRequestID string, apiKeyID int64) (bool, error) {
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var exists int
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err := tx.QueryRowContext(ctx, `
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SELECT 1
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FROM usage_billing_dedup
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WHERE request_id = $1 AND api_key_id = $2
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`, holdRequestID, apiKeyID).Scan(&exists)
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if err == nil {
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return true, nil
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}
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if !errors.Is(err, sql.ErrNoRows) {
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return false, err
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}
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err = tx.QueryRowContext(ctx, `
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SELECT 1
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FROM usage_billing_dedup_archive
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WHERE request_id = $1 AND api_key_id = $2
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`, holdRequestID, apiKeyID).Scan(&exists)
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if err == nil {
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return true, nil
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}
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if errors.Is(err, sql.ErrNoRows) {
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return false, nil
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}
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return false, err
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}
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func userExistsForBilling(ctx context.Context, tx *sql.Tx, userID int64) (bool, error) {
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var exists int
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err := tx.QueryRowContext(ctx, `
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SELECT 1
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FROM users
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WHERE id = $1 AND deleted_at IS NULL
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`, userID).Scan(&exists)
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if errors.Is(err, sql.ErrNoRows) {
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return false, nil
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}
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if err != nil {
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return false, err
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}
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return true, nil
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}
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func incrementUsageBillingAPIKeyQuota(ctx context.Context, tx *sql.Tx, apiKeyID int64, amount float64) (bool, error) {
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var exhausted bool
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err := tx.QueryRowContext(ctx, `
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UPDATE api_keys
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SET quota_used = quota_used + $1,
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status = CASE
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WHEN quota > 0
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AND status = $3
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AND quota_used < quota
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AND quota_used + $1 >= quota
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THEN $4
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ELSE status
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END,
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updated_at = NOW()
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WHERE id = $2 AND deleted_at IS NULL
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RETURNING quota > 0 AND quota_used >= quota AND quota_used - $1 < quota
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`, amount, apiKeyID, service.StatusAPIKeyActive, service.StatusAPIKeyQuotaExhausted).Scan(&exhausted)
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if errors.Is(err, sql.ErrNoRows) {
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return false, service.ErrAPIKeyNotFound
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}
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if err != nil {
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return false, err
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}
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return exhausted, nil
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}
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func incrementUsageBillingAPIKeyRateLimit(ctx context.Context, tx *sql.Tx, apiKeyID int64, cost float64) error {
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res, err := tx.ExecContext(ctx, `
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UPDATE api_keys SET
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usage_5h = CASE WHEN window_5h_start IS NOT NULL AND window_5h_start + INTERVAL '5 hours' <= NOW() THEN $1 ELSE usage_5h + $1 END,
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usage_1d = CASE WHEN window_1d_start IS NOT NULL AND window_1d_start + INTERVAL '24 hours' <= NOW() THEN $1 ELSE usage_1d + $1 END,
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usage_7d = CASE WHEN window_7d_start IS NOT NULL AND window_7d_start + INTERVAL '7 days' <= NOW() THEN $1 ELSE usage_7d + $1 END,
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window_5h_start = CASE WHEN window_5h_start IS NULL OR window_5h_start + INTERVAL '5 hours' <= NOW() THEN NOW() ELSE window_5h_start END,
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window_1d_start = CASE WHEN window_1d_start IS NULL OR window_1d_start + INTERVAL '24 hours' <= NOW() THEN date_trunc('day', NOW()) ELSE window_1d_start END,
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window_7d_start = CASE WHEN window_7d_start IS NULL OR window_7d_start + INTERVAL '7 days' <= NOW() THEN date_trunc('day', NOW()) ELSE window_7d_start END,
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updated_at = NOW()
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WHERE id = $2 AND deleted_at IS NULL
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`, cost, apiKeyID)
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if err != nil {
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return err
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}
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affected, err := res.RowsAffected()
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if err != nil {
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return err
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}
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if affected == 0 {
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return service.ErrAPIKeyNotFound
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}
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return nil
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}
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|
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func incrementUsageBillingAccountQuota(ctx context.Context, tx *sql.Tx, accountID int64, amount float64) (*service.AccountQuotaState, error) {
|
||
rows, err := tx.QueryContext(ctx,
|
||
`UPDATE accounts SET extra = (
|
||
COALESCE(extra, '{}'::jsonb)
|
||
|| jsonb_build_object('quota_used', COALESCE((extra->>'quota_used')::numeric, 0) + $1)
|
||
|| CASE WHEN COALESCE((extra->>'quota_daily_limit')::numeric, 0) > 0 THEN
|
||
jsonb_build_object(
|
||
'quota_daily_used',
|
||
CASE WHEN `+dailyExpiredExpr+`
|
||
THEN $1
|
||
ELSE COALESCE((extra->>'quota_daily_used')::numeric, 0) + $1 END,
|
||
'quota_daily_start',
|
||
CASE WHEN `+dailyExpiredExpr+`
|
||
THEN `+nowUTC+`
|
||
ELSE COALESCE(extra->>'quota_daily_start', `+nowUTC+`) END
|
||
)
|
||
|| CASE WHEN `+dailyExpiredExpr+` AND `+nextDailyResetAtExpr+` IS NOT NULL
|
||
THEN jsonb_build_object('quota_daily_reset_at', `+nextDailyResetAtExpr+`)
|
||
ELSE '{}'::jsonb END
|
||
ELSE '{}'::jsonb END
|
||
|| CASE WHEN COALESCE((extra->>'quota_weekly_limit')::numeric, 0) > 0 THEN
|
||
jsonb_build_object(
|
||
'quota_weekly_used',
|
||
CASE WHEN `+weeklyExpiredExpr+`
|
||
THEN $1
|
||
ELSE COALESCE((extra->>'quota_weekly_used')::numeric, 0) + $1 END,
|
||
'quota_weekly_start',
|
||
CASE WHEN `+weeklyExpiredExpr+`
|
||
THEN `+nowUTC+`
|
||
ELSE COALESCE(extra->>'quota_weekly_start', `+nowUTC+`) END
|
||
)
|
||
|| CASE WHEN `+weeklyExpiredExpr+` AND `+nextWeeklyResetAtExpr+` IS NOT NULL
|
||
THEN jsonb_build_object('quota_weekly_reset_at', `+nextWeeklyResetAtExpr+`)
|
||
ELSE '{}'::jsonb END
|
||
ELSE '{}'::jsonb END
|
||
), updated_at = NOW()
|
||
WHERE id = $2 AND deleted_at IS NULL
|
||
RETURNING
|
||
COALESCE((extra->>'quota_used')::numeric, 0),
|
||
COALESCE((extra->>'quota_limit')::numeric, 0),
|
||
COALESCE((extra->>'quota_daily_used')::numeric, 0),
|
||
COALESCE((extra->>'quota_daily_limit')::numeric, 0),
|
||
COALESCE((extra->>'quota_weekly_used')::numeric, 0),
|
||
COALESCE((extra->>'quota_weekly_limit')::numeric, 0)`,
|
||
amount, accountID)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
var state service.AccountQuotaState
|
||
if rows.Next() {
|
||
if err := rows.Scan(
|
||
&state.TotalUsed, &state.TotalLimit,
|
||
&state.DailyUsed, &state.DailyLimit,
|
||
&state.WeeklyUsed, &state.WeeklyLimit,
|
||
); err != nil {
|
||
_ = rows.Close()
|
||
return nil, err
|
||
}
|
||
} else {
|
||
if err := rows.Err(); err != nil {
|
||
_ = rows.Close()
|
||
return nil, err
|
||
}
|
||
_ = rows.Close()
|
||
return nil, service.ErrAccountNotFound
|
||
}
|
||
if err := rows.Err(); err != nil {
|
||
_ = rows.Close()
|
||
return nil, err
|
||
}
|
||
// 必须在执行下一条 SQL 前显式关闭 rows：pq 驱动在同一连接上
|
||
// 不允许前一条查询的结果集未耗尽时启动新查询，否则会返回
|
||
// "unexpected Parse response" 错误。
|
||
if err := rows.Close(); err != nil {
|
||
return nil, err
|
||
}
|
||
// 任意维度额度在本次递增中从"未超"跨越到"已超"时，必须刷新调度快照，
|
||
// 否则 Redis 中缓存的 Account 仍显示旧的 used 值，后续请求会继续选中本账号，
|
||
// 最终观察到 daily_used / weekly_used 大幅超过配置的 limit。
|
||
// 对于日/周额度，即使本次触发了周期重置（pre=0、post=amount），
|
||
// 判定式 (post-amount) < limit 同样成立，逻辑与总额度保持一致。
|
||
crossedTotal := state.TotalLimit > 0 && state.TotalUsed >= state.TotalLimit && (state.TotalUsed-amount) < state.TotalLimit
|
||
crossedDaily := state.DailyLimit > 0 && state.DailyUsed >= state.DailyLimit && (state.DailyUsed-amount) < state.DailyLimit
|
||
crossedWeekly := state.WeeklyLimit > 0 && state.WeeklyUsed >= state.WeeklyLimit && (state.WeeklyUsed-amount) < state.WeeklyLimit
|
||
if crossedTotal || crossedDaily || crossedWeekly {
|
||
if err := enqueueSchedulerOutbox(ctx, tx, service.SchedulerOutboxEventAccountChanged, &accountID, nil, nil); err != nil {
|
||
logger.LegacyPrintf("repository.usage_billing", "[SchedulerOutbox] enqueue quota exceeded failed: account=%d err=%v", accountID, err)
|
||
return nil, err
|
||
}
|
||
}
|
||
return &state, nil
|
||
}
|