72 lines
1.8 KiB
Go
72 lines
1.8 KiB
Go
package user
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import (
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"context"
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"github.com/perfect-panel/server/pkg/constant"
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"github.com/perfect-panel/server/pkg/xerr"
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"github.com/pkg/errors"
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"github.com/perfect-panel/server/internal/model/user"
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"gorm.io/gorm"
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"github.com/perfect-panel/server/internal/svc"
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"github.com/perfect-panel/server/internal/types"
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"github.com/perfect-panel/server/pkg/logger"
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)
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type UnsubscribeLogic struct {
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logger.Logger
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ctx context.Context
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svcCtx *svc.ServiceContext
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}
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// NewUnsubscribeLogic Unsubscribe
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func NewUnsubscribeLogic(ctx context.Context, svcCtx *svc.ServiceContext) *UnsubscribeLogic {
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return &UnsubscribeLogic{
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Logger: logger.WithContext(ctx),
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ctx: ctx,
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svcCtx: svcCtx,
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}
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}
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func (l *UnsubscribeLogic) Unsubscribe(req *types.UnsubscribeRequest) error {
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u, ok := l.ctx.Value(constant.CtxKeyUser).(*user.User)
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if !ok {
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logger.Error("current user is not found in context")
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return errors.Wrapf(xerr.NewErrCode(xerr.InvalidAccess), "Invalid Access")
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}
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remainingAmount, err := CalculateRemainingAmount(l.ctx, l.svcCtx, req.Id)
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if err != nil {
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return err
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}
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// update user subscribe
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err = l.svcCtx.UserModel.Transaction(l.ctx, func(db *gorm.DB) error {
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var userSub user.Subscribe
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if err := db.Model(&user.Subscribe{}).Where("id = ?", req.Id).First(&userSub).Error; err != nil {
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return err
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}
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userSub.Status = 4
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if err := l.svcCtx.UserModel.UpdateSubscribe(l.ctx, &userSub); err != nil {
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return err
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}
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balance := remainingAmount + u.Balance
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// insert deduction log
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balanceLog := user.BalanceLog{
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UserId: userSub.UserId,
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OrderId: userSub.OrderId,
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Amount: remainingAmount,
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Type: 4,
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Balance: balance,
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}
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if err := db.Model(&user.BalanceLog{}).Create(&balanceLog).Error; err != nil {
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return err
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}
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// update user balance
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u.Balance = balance
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return l.svcCtx.UserModel.Update(l.ctx, u)
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})
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return err
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}
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