Files

72 lines
1.8 KiB
Go

package logic
import (
"context"
"errors"
"juwan-backend/app/community/rpc/internal/models/postlikes"
"juwan-backend/app/community/rpc/internal/models/posts"
"juwan-backend/app/community/rpc/internal/svc"
"juwan-backend/app/community/rpc/pb"
"juwan-backend/app/snowflake/rpc/snowflake"
"github.com/zeromicro/go-zero/core/logx"
)
type AddPostLikesLogic struct {
ctx context.Context
svcCtx *svc.ServiceContext
logx.Logger
}
func NewAddPostLikesLogic(ctx context.Context, svcCtx *svc.ServiceContext) *AddPostLikesLogic {
return &AddPostLikesLogic{
ctx: ctx,
svcCtx: svcCtx,
Logger: logx.WithContext(ctx),
}
}
// -----------------------postLikes-----------------------
func (l *AddPostLikesLogic) AddPostLikes(in *pb.AddPostLikesReq) (*pb.AddPostLikesResp, error) {
if in.GetPostId() <= 0 || in.GetUserId() <= 0 {
return nil, errors.New("postId and userId are required")
}
exists, err := l.svcCtx.CommunityModelRO.Posts.Query().
Where(posts.IDEQ(in.GetPostId()), posts.DeletedAtIsNil()).
Exist(l.ctx)
if err != nil || !exists {
return nil, errors.New("post not found")
}
dup, _ := l.svcCtx.CommunityModelRO.PostLikes.Query().
Where(postlikes.PostIDEQ(in.GetPostId()), postlikes.UserIDEQ(in.GetUserId())).
Exist(l.ctx)
if dup {
return &pb.AddPostLikesResp{}, nil
}
idResp, err := l.svcCtx.Snowflake.NextId(l.ctx, &snowflake.NextIdReq{})
if err != nil {
return nil, errors.New("create post like id failed")
}
_, err = l.svcCtx.CommunityModelRW.PostLikes.Create().
SetID(idResp.Id).
SetPostID(in.GetPostId()).
SetUserID(in.GetUserId()).
Save(l.ctx)
if err != nil {
logx.Errorf("addPostLikes err: %v", err)
return nil, errors.New("add post like failed")
}
l.svcCtx.CommunityModelRW.Posts.Update().
Where(posts.IDEQ(in.GetPostId())).
AddLikeCount(1).
Exec(l.ctx)
return &pb.AddPostLikesResp{}, nil
}