112 lines
2.8 KiB
Go
112 lines
2.8 KiB
Go
package services
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import (
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"context"
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"errors"
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"time"
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"quyun/v2/app/errorx"
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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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"github.com/spf13/cast"
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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 wallet struct{}
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func (s *wallet) GetWallet(ctx context.Context) (*user_dto.WalletResponse, error) {
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userID := ctx.Value(consts.CtxKeyUser)
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if userID == nil {
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return nil, errorx.ErrUnauthorized
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}
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uid := cast.ToInt64(userID)
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// Get Balance
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u, err := models.UserQuery.WithContext(ctx).Where(models.UserQuery.ID.Eq(uid)).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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// Get Transactions (Orders)
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// Both purchase (expense) and recharge (income - if paid)
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tbl, q := models.OrderQuery.QueryContext(ctx)
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orders, err := q.Where(tbl.UserID.Eq(uid), tbl.Status.Eq(consts.OrderStatusPaid)).
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Order(tbl.CreatedAt.Desc()).
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Limit(20). // Limit to recent 20
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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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var txs []user_dto.Transaction
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for _, o := range orders {
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var txType string
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var title string
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if o.Type == consts.OrderTypeContentPurchase {
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txType = "expense"
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title = "购买内容"
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} else if o.Type == consts.OrderTypeRecharge {
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txType = "income"
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title = "钱包充值"
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}
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txs = append(txs, user_dto.Transaction{
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ID: cast.ToString(o.ID),
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Title: title,
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Amount: float64(o.AmountPaid) / 100.0,
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Type: txType,
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Date: o.CreatedAt.Format(time.RFC3339),
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})
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}
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return &user_dto.WalletResponse{
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Balance: float64(u.Balance) / 100.0,
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Transactions: txs,
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}, nil
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}
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func (s *wallet) Recharge(ctx context.Context, form *user_dto.RechargeForm) (*user_dto.RechargeResponse, error) {
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userID := ctx.Value(consts.CtxKeyUser)
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if userID == nil {
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return nil, errorx.ErrUnauthorized
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}
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uid := cast.ToInt64(userID)
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amount := int64(form.Amount * 100)
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if amount <= 0 {
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return nil, errorx.ErrBadRequest.WithMsg("金额无效")
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}
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// Create Recharge Order
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order := &models.Order{
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TenantID: 0, // Platform / System
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UserID: uid,
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Type: consts.OrderTypeRecharge,
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Status: consts.OrderStatusCreated,
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Currency: consts.CurrencyCNY,
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AmountOriginal: amount,
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AmountPaid: amount,
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IdempotencyKey: uuid.NewString(),
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Snapshot: types.NewJSONType(fields.OrdersSnapshot{}),
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}
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if err := models.OrderQuery.WithContext(ctx).Create(order); err != nil {
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return nil, errorx.ErrDatabaseError.WithCause(err)
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}
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// Mock Pay Params
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return &user_dto.RechargeResponse{
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PayParams: "mock_recharge_url",
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OrderID: cast.ToString(order.ID),
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}, nil
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}
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