Rogee
0fe4344b3b
Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-opencode) Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
614 lines
17 KiB
Go
614 lines
17 KiB
Go
package services
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import (
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"context"
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"errors"
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"strings"
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"time"
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"quyun/v2/app/errorx"
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transaction_dto "quyun/v2/app/http/v1/dto"
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user_dto "quyun/v2/app/http/v1/dto"
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"quyun/v2/database/fields"
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"quyun/v2/database/models"
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"quyun/v2/pkg/consts"
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"github.com/google/uuid"
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"go.ipao.vip/gen/field"
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"go.ipao.vip/gen/types"
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"gorm.io/gorm"
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)
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// @provider
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type order struct{}
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func (s *order) ListUserOrders(ctx context.Context, tenantID, userID int64, status string) ([]user_dto.Order, error) {
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if userID == 0 {
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return nil, errorx.ErrUnauthorized
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}
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uid := userID
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tbl, q := models.OrderQuery.QueryContext(ctx)
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if tenantID > 0 {
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q = q.Where(field.Or(
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field.And(tbl.UserID.Eq(uid), tbl.TenantID.Eq(tenantID)),
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field.And(tbl.UserID.Eq(uid), tbl.Type.Eq(consts.OrderTypeRecharge)),
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))
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} else {
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q = q.Where(tbl.UserID.Eq(uid))
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}
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if status != "" && status != "all" {
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q = q.Where(tbl.Status.Eq(consts.OrderStatus(status)))
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}
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list, err := q.Order(tbl.CreatedAt.Desc()).Find()
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if err != nil {
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return nil, errorx.ErrDatabaseError.WithCause(err)
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}
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data, err := s.composeOrderListDTO(ctx, list)
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if err != nil {
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return nil, err
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}
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return data, nil
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}
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func (s *order) GetUserOrder(ctx context.Context, tenantID, userID, id int64) (*user_dto.Order, error) {
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if userID == 0 {
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return nil, errorx.ErrUnauthorized
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}
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uid := userID
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tbl, q := models.OrderQuery.QueryContext(ctx)
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itemQuery := q
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if tenantID > 0 {
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itemQuery = itemQuery.Where(field.Or(
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field.And(tbl.ID.Eq(id), tbl.UserID.Eq(uid), tbl.TenantID.Eq(tenantID)),
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field.And(tbl.ID.Eq(id), tbl.UserID.Eq(uid), tbl.Type.Eq(consts.OrderTypeRecharge)),
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))
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} else {
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itemQuery = itemQuery.Where(tbl.ID.Eq(id), tbl.UserID.Eq(uid))
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}
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item, err := itemQuery.First()
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if err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return nil, errorx.ErrRecordNotFound
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}
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return nil, errorx.ErrDatabaseError.WithCause(err)
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}
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dto, err := s.composeOrderDTO(ctx, item)
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if err != nil {
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return nil, err
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}
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return &dto, nil
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}
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func (s *order) Create(
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ctx context.Context,
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tenantID int64,
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userID int64,
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form *transaction_dto.OrderCreateForm,
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) (*transaction_dto.OrderCreateResponse, error) {
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if userID == 0 {
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return nil, errorx.ErrUnauthorized
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}
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uid := userID
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cid := form.ContentID
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// 幂等控制：相同幂等键直接返回已创建的订单。
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idempotencyKey := ""
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if form.IdempotencyKey != nil {
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idempotencyKey = strings.TrimSpace(*form.IdempotencyKey)
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}
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if idempotencyKey != "" {
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tbl, q := models.OrderQuery.QueryContext(ctx)
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q = q.Where(tbl.UserID.Eq(uid), tbl.IdempotencyKey.Eq(idempotencyKey))
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if tenantID > 0 {
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q = q.Where(tbl.TenantID.Eq(tenantID))
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}
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existing, err := q.First()
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if err == nil {
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return &transaction_dto.OrderCreateResponse{OrderID: existing.ID}, nil
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}
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if !errors.Is(err, gorm.ErrRecordNotFound) {
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return nil, errorx.ErrDatabaseError.WithCause(err)
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}
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}
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// 1. Fetch Content & Price
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contentQuery := models.ContentQuery.WithContext(ctx).Where(models.ContentQuery.ID.Eq(cid))
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if tenantID > 0 {
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contentQuery = contentQuery.Where(models.ContentQuery.TenantID.Eq(tenantID))
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}
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content, err := contentQuery.First()
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if err != nil {
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return nil, errorx.ErrRecordNotFound.WithMsg("内容不存在")
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}
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if content.Status != consts.ContentStatusPublished {
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return nil, errorx.ErrBusinessLogic.WithMsg("内容未发布")
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}
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price, err := models.ContentPriceQuery.WithContext(ctx).Where(models.ContentPriceQuery.ContentID.Eq(cid)).First()
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if err != nil {
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return nil, errorx.ErrDataCorrupted.WithCause(err).WithMsg("价格信息缺失")
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}
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amountOriginal := price.PriceAmount
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var amountDiscount int64 = 0
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var couponID int64 = 0
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// Validate Coupon
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if form.UserCouponID > 0 {
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discount, err := Coupon.Validate(ctx, tenantID, uid, form.UserCouponID, amountOriginal)
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if err != nil {
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return nil, err
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}
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amountDiscount = discount
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uc, err := models.UserCouponQuery.WithContext(ctx).Where(models.UserCouponQuery.ID.Eq(form.UserCouponID)).First()
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if err == nil {
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couponID = uc.CouponID
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}
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}
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amountPaid := amountOriginal - amountDiscount
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// 2. Create Order (Status: Created)
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order := &models.Order{
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TenantID: content.TenantID,
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UserID: uid,
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Type: consts.OrderTypeContentPurchase,
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Status: consts.OrderStatusCreated,
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Currency: consts.Currency(price.Currency),
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AmountOriginal: amountOriginal,
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AmountDiscount: amountDiscount,
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AmountPaid: amountPaid,
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CouponID: couponID,
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IdempotencyKey: idempotencyKey,
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Snapshot: types.NewJSONType(fields.OrdersSnapshot{}),
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}
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if order.IdempotencyKey == "" {
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order.IdempotencyKey = uuid.NewString()
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}
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err = models.Q.Transaction(func(tx *models.Query) error {
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if err := tx.Order.WithContext(ctx).Create(order); err != nil {
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return err
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}
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// 3. Create Order Item
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item := &models.OrderItem{
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TenantID: content.TenantID,
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UserID: uid,
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OrderID: order.ID,
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ContentID: cid,
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ContentUserID: content.UserID,
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AmountPaid: amountPaid,
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}
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if err := tx.OrderItem.WithContext(ctx).Create(item); err != nil {
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return err
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}
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// Mark Coupon Used
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if form.UserCouponID > 0 {
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if err := Coupon.MarkUsed(ctx, tx, tenantID, form.UserCouponID, order.ID); err != nil {
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return err
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}
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}
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return nil
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})
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if err != nil {
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if _, ok := err.(*errorx.AppError); ok {
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return nil, err
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}
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return nil, errorx.ErrDatabaseError.WithCause(err)
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}
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return &transaction_dto.OrderCreateResponse{
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OrderID: order.ID,
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}, nil
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}
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func (s *order) Pay(
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ctx context.Context,
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tenantID int64,
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userID int64,
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id int64,
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form *transaction_dto.OrderPayForm,
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) (*transaction_dto.OrderPayResponse, error) {
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if userID == 0 {
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return nil, errorx.ErrUnauthorized
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}
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uid := userID
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// Fetch Order
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o, err := models.OrderQuery.WithContext(ctx).
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Where(models.OrderQuery.ID.Eq(id), models.OrderQuery.UserID.Eq(uid)).
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First()
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if err != nil {
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return nil, errorx.ErrRecordNotFound
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}
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if tenantID > 0 && o.TenantID > 0 && o.TenantID != tenantID {
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return nil, errorx.ErrForbidden.WithMsg("租户不匹配")
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}
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if o.Status != consts.OrderStatusCreated {
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return nil, errorx.ErrStatusConflict.WithMsg("订单状态不可支付")
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}
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switch form.Method {
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case "balance":
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return s.payWithBalance(ctx, o)
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case "alipay", "external":
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// mock external: 标记已支付，避免前端卡住
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if err := s.settleOrder(ctx, o, "external", ""); err != nil {
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if _, ok := err.(*errorx.AppError); ok {
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return nil, err
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}
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return nil, errorx.ErrDatabaseError.WithCause(err)
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}
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return &transaction_dto.OrderPayResponse{PayParams: "mock_pay_params"}, nil
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default:
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return nil, errorx.ErrBadRequest.WithMsg("unsupported payment method")
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}
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}
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// ProcessExternalPayment handles callback from payment gateway
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func (s *order) ProcessExternalPayment(ctx context.Context, tenantID, orderID int64, externalID string) error {
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o, err := models.OrderQuery.WithContext(ctx).Where(models.OrderQuery.ID.Eq(orderID)).First()
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if err != nil {
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return errorx.ErrRecordNotFound
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}
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if tenantID > 0 && o.TenantID > 0 && o.TenantID != tenantID {
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return errorx.ErrForbidden.WithMsg("租户不匹配")
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}
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if o.Status != consts.OrderStatusCreated {
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return nil // Already processed idempotency
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}
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return s.settleOrder(ctx, o, "external", externalID)
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}
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func (s *order) payWithBalance(ctx context.Context, o *models.Order) (*transaction_dto.OrderPayResponse, error) {
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err := s.settleOrder(ctx, o, "balance", "")
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if err != nil {
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if _, ok := err.(*errorx.AppError); ok {
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return nil, err
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}
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return nil, errorx.ErrDatabaseError.WithCause(err)
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}
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return &transaction_dto.OrderPayResponse{
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PayParams: "balance_paid",
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}, nil
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}
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func (s *order) settleOrder(ctx context.Context, o *models.Order, method, externalID string) error {
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var tenantOwnerID int64
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// 关键结算事务：遇到数据库冲突/死锁时短暂退避重试，避免支付状态卡死。
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err := retryCriticalWrite(ctx, func() error {
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tenantOwnerID = 0
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return models.Q.Transaction(func(tx *models.Query) error {
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// 1. Handle Balance Updates
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if o.Type == consts.OrderTypeRecharge {
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// Income: Recharge (Credit User Balance)
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_, err := tx.User.WithContext(ctx).
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Where(tx.User.ID.Eq(o.UserID)).
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Update(tx.User.Balance, gorm.Expr("balance + ?", o.AmountPaid))
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if err != nil {
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return err
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}
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} else if method == "balance" {
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// Expense: Purchase with Balance (Deduct User Balance)
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info, err := tx.User.WithContext(ctx).
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Where(tx.User.ID.Eq(o.UserID), tx.User.Balance.Gte(o.AmountPaid)).
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Update(tx.User.Balance, gorm.Expr("balance - ?", o.AmountPaid))
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if err != nil {
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return err
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}
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if info.RowsAffected == 0 {
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return errorx.ErrQuotaExceeded.WithMsg("余额不足")
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}
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}
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// 2. Update Order Status
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now := time.Now()
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_, err := tx.Order.WithContext(ctx).Where(tx.Order.ID.Eq(o.ID)).Updates(&models.Order{
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Status: consts.OrderStatusPaid,
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PaidAt: now,
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UpdatedAt: now,
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})
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if err != nil {
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return err
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}
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// 3. Grant Content Access
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items, _ := tx.OrderItem.WithContext(ctx).Where(tx.OrderItem.OrderID.Eq(o.ID)).Find()
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for _, item := range items {
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// Check if access already exists (idempotency)
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exists, _ := tx.ContentAccess.WithContext(ctx).
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Where(tx.ContentAccess.UserID.Eq(o.UserID), tx.ContentAccess.ContentID.Eq(item.ContentID)).
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Exists()
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if exists {
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continue
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}
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access := &models.ContentAccess{
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TenantID: item.TenantID,
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UserID: o.UserID,
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ContentID: item.ContentID,
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OrderID: o.ID,
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Status: consts.ContentAccessStatusActive,
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}
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if err := tx.ContentAccess.WithContext(ctx).Save(access); err != nil {
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return err
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}
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}
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// 4. Create Tenant Ledger (Revenue) - Only for Content Purchase
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if o.Type == consts.OrderTypeContentPurchase {
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t, err := tx.Tenant.WithContext(ctx).Where(tx.Tenant.ID.Eq(o.TenantID)).First()
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if err != nil {
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return err
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}
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tenantOwnerID = t.UserID
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// Calculate Commission
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amount := o.AmountPaid
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fee := int64(float64(amount) * 0.10)
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creatorIncome := amount - fee
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// Credit Tenant Owner Balance (Net Income) 并记录余额快照
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owner, err := tx.User.WithContext(ctx).
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Where(tx.User.ID.Eq(tenantOwnerID)).
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First()
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if err != nil {
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return err
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}
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balanceBefore := owner.Balance
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balanceAfter := balanceBefore + creatorIncome
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_, err = tx.User.WithContext(ctx).
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Where(tx.User.ID.Eq(tenantOwnerID)).
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Update(tx.User.Balance, gorm.Expr("balance + ?", creatorIncome))
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if err != nil {
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return err
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}
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ledger := &models.TenantLedger{
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TenantID: o.TenantID,
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UserID: t.UserID, // Owner
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OrderID: o.ID,
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Type: consts.TenantLedgerTypeDebitPurchase, // Income from purchase
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Amount: creatorIncome,
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BalanceBefore: balanceBefore,
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BalanceAfter: balanceAfter,
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FrozenBefore: 0,
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FrozenAfter: 0,
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IdempotencyKey: uuid.NewString(),
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Remark: "内容销售收入 (扣除平台费)",
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OperatorUserID: o.UserID,
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}
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if err := tx.TenantLedger.WithContext(ctx).Create(ledger); err != nil {
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return err
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}
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}
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return nil
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})
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})
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if err != nil {
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return err
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}
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if Notification != nil {
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_ = Notification.Send(ctx, o.TenantID, o.UserID, "order", "支付成功", "订单已支付，您可以查看已购内容。")
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if tenantOwnerID > 0 {
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_ = Notification.Send(ctx, o.TenantID, tenantOwnerID, "order", "新的订单", "您的店铺有新的订单，收入已入账。")
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}
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}
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return nil
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}
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func (s *order) Status(ctx context.Context, tenantID, userID, id int64) (*transaction_dto.OrderStatusResponse, error) {
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o, err := models.OrderQuery.WithContext(ctx).Where(models.OrderQuery.ID.Eq(id)).First()
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if err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return nil, errorx.ErrRecordNotFound
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}
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return nil, errorx.ErrDatabaseError.WithCause(err)
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}
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if userID > 0 && o.UserID != userID {
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return nil, errorx.ErrForbidden.WithMsg("无权访问该订单")
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}
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if tenantID > 0 && o.TenantID > 0 && o.TenantID != tenantID {
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return nil, errorx.ErrForbidden.WithMsg("租户不匹配")
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}
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return &transaction_dto.OrderStatusResponse{
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Status: string(o.Status),
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}, nil
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}
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func (s *order) composeOrderDTO(ctx context.Context, o *models.Order) (user_dto.Order, error) {
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dto := user_dto.Order{
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ID: o.ID,
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Type: string(o.Type),
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TypeDescription: o.Type.Description(),
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Status: string(o.Status),
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StatusDescription: o.Status.Description(),
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Amount: float64(o.AmountPaid) / 100.0,
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CreateTime: o.CreatedAt.Format(time.RFC3339),
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TenantID: o.TenantID,
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}
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// Fetch Tenant Name
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t, err := models.TenantQuery.WithContext(ctx).Where(models.TenantQuery.ID.Eq(o.TenantID)).First()
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if err == nil {
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dto.TenantName = t.Name
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}
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// Fetch Items
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items, err := models.OrderItemQuery.WithContext(ctx).Where(models.OrderItemQuery.OrderID.Eq(o.ID)).Find()
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if err == nil {
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dto.Quantity = len(items)
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for _, item := range items {
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// Fetch Content
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var c models.Content
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err := models.ContentQuery.WithContext(ctx).
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Where(models.ContentQuery.ID.Eq(item.ContentID)).
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UnderlyingDB().
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Preload("ContentAssets").
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Preload("ContentAssets.Asset").
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First(&c).Error
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if err == nil {
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ci := transaction_dto.ContentItem{
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ID: c.ID,
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Title: c.Title,
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Genre: c.Genre,
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AuthorID: c.UserID,
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Price: float64(item.AmountPaid) / 100.0, // Use actual paid amount
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}
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// Cover logic (simplified from content service)
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for _, asset := range c.ContentAssets {
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if asset.Role == consts.ContentAssetRoleCover && asset.Asset != nil {
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ci.Cover = Common.GetAssetURL(asset.Asset.ObjectKey)
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break
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}
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}
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dto.Items = append(dto.Items, ci)
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}
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}
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}
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return dto, nil
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}
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func (s *order) composeOrderListDTO(ctx context.Context, orders []*models.Order) ([]user_dto.Order, error) {
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if len(orders) == 0 {
|
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return []user_dto.Order{}, nil
|
||
}
|
||
|
||
// 批量收集订单、租户、内容 ID，避免逐条查询。
|
||
orderIDs := make([]int64, 0, len(orders))
|
||
tenantIDSet := make(map[int64]struct{}, len(orders))
|
||
for _, o := range orders {
|
||
orderIDs = append(orderIDs, o.ID)
|
||
if o.TenantID > 0 {
|
||
tenantIDSet[o.TenantID] = struct{}{}
|
||
}
|
||
}
|
||
|
||
tenantIDs := make([]int64, 0, len(tenantIDSet))
|
||
for id := range tenantIDSet {
|
||
tenantIDs = append(tenantIDs, id)
|
||
}
|
||
|
||
tenantMap := make(map[int64]*models.Tenant, len(tenantIDs))
|
||
if len(tenantIDs) > 0 {
|
||
tbl, q := models.TenantQuery.QueryContext(ctx)
|
||
list, err := q.Where(tbl.ID.In(tenantIDs...)).Find()
|
||
if err != nil {
|
||
return nil, errorx.ErrDatabaseError.WithCause(err)
|
||
}
|
||
for _, t := range list {
|
||
tenantMap[t.ID] = t
|
||
}
|
||
}
|
||
|
||
itemsByOrder := make(map[int64][]*models.OrderItem, len(orderIDs))
|
||
contentIDSet := make(map[int64]struct{}, len(orderIDs))
|
||
if len(orderIDs) > 0 {
|
||
tbl, q := models.OrderItemQuery.QueryContext(ctx)
|
||
items, err := q.Where(tbl.OrderID.In(orderIDs...)).Find()
|
||
if err != nil {
|
||
return nil, errorx.ErrDatabaseError.WithCause(err)
|
||
}
|
||
for _, item := range items {
|
||
itemsByOrder[item.OrderID] = append(itemsByOrder[item.OrderID], item)
|
||
if item.ContentID > 0 {
|
||
contentIDSet[item.ContentID] = struct{}{}
|
||
}
|
||
}
|
||
}
|
||
|
||
contentIDs := make([]int64, 0, len(contentIDSet))
|
||
for id := range contentIDSet {
|
||
contentIDs = append(contentIDs, id)
|
||
}
|
||
|
||
contentMap := make(map[int64]*models.Content, len(contentIDs))
|
||
if len(contentIDs) > 0 {
|
||
var contents []*models.Content
|
||
tbl, q := models.ContentQuery.QueryContext(ctx)
|
||
err := q.Where(tbl.ID.In(contentIDs...)).
|
||
UnderlyingDB().
|
||
Preload("ContentAssets").
|
||
Preload("ContentAssets.Asset").
|
||
Find(&contents).Error
|
||
if err != nil {
|
||
return nil, errorx.ErrDatabaseError.WithCause(err)
|
||
}
|
||
for _, c := range contents {
|
||
contentMap[c.ID] = c
|
||
}
|
||
}
|
||
|
||
data := make([]user_dto.Order, 0, len(orders))
|
||
for _, o := range orders {
|
||
dto := user_dto.Order{
|
||
ID: o.ID,
|
||
Type: string(o.Type),
|
||
TypeDescription: o.Type.Description(),
|
||
Status: string(o.Status),
|
||
StatusDescription: o.Status.Description(),
|
||
Amount: float64(o.AmountPaid) / 100.0,
|
||
CreateTime: o.CreatedAt.Format(time.RFC3339),
|
||
TenantID: o.TenantID,
|
||
}
|
||
|
||
if t, ok := tenantMap[o.TenantID]; ok {
|
||
dto.TenantName = t.Name
|
||
}
|
||
|
||
items := itemsByOrder[o.ID]
|
||
dto.Quantity = len(items)
|
||
for _, item := range items {
|
||
c := contentMap[item.ContentID]
|
||
if c == nil {
|
||
continue
|
||
}
|
||
ci := transaction_dto.ContentItem{
|
||
ID: c.ID,
|
||
Title: c.Title,
|
||
Genre: c.Genre,
|
||
AuthorID: c.UserID,
|
||
Price: float64(item.AmountPaid) / 100.0,
|
||
}
|
||
for _, asset := range c.ContentAssets {
|
||
if asset.Role == consts.ContentAssetRoleCover && asset.Asset != nil {
|
||
ci.Cover = Common.GetAssetURL(asset.Asset.ObjectKey)
|
||
break
|
||
}
|
||
}
|
||
dto.Items = append(dto.Items, ci)
|
||
}
|
||
|
||
data = append(data, dto)
|
||
}
|
||
|
||
return data, nil
|
||
}
|
||
|
||
func (s *order) toUserOrderDTO(o *models.Order) user_dto.Order {
|
||
return user_dto.Order{
|
||
ID: o.ID,
|
||
Status: string(o.Status), // Need cast for DTO string field if DTO field is string
|
||
Amount: float64(o.AmountPaid) / 100.0,
|
||
CreateTime: o.CreatedAt.Format(time.RFC3339),
|
||
}
|
||
}
|