practice_Go/internal/controller/subscription/subscription_v1_delete_subscription.go

package subscription

import (
	"context"

	"practice_Go/api/subscription/v1"
	"practice_Go/internal/dao"
	"practice_Go/internal/model/dto"
)

func (c *ControllerV1) DeleteSubscription(ctx context.Context, req *v1.DeleteSubscriptionReq) (*dto.Result, error) {
	res := &v1.DeleteSubscriptionRes{}
	_, err := dao.GoChannelSubscriptions.Ctx(ctx).Wheref("channel_id =? and user_id =?", req.Id, req.UserId).Delete()
	_, err = dao.GoChannels.Ctx(ctx).Where("id",req.Id).Decrement("subscription_count",1)
	if err != nil {
		return dto.Error(err.Error()), nil
	}
	res.Success = true
	return dto.SuccessWithData(res), nil
}