Initial commit: web_hghl_server

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

app/service/commentser/like.go

@@ -0,0 +1,63 @@
+package commentser
+
+import (
+	"context"
+	"videoweb/app/api/proto"
+	"videoweb/pub/common/enum/redisconst"
+	"videoweb/pub/common/log"
+	"videoweb/pub/common/srvdef"
+	"videoweb/pub/models/commentlikemod"
+	"videoweb/pub/models/commentmod"
+	"videoweb/pub/redis"
+
+	"go.mongodb.org/mongo-driver/bson"
+)
+
+// SetCommentLike 设置评论点赞状态
+func SetCommentLike(ctx context.Context, userId int64, req *proto.CommentLikeSetReq) (*proto.CommentLikeSetResp, *srvdef.SrvErr) {
+	if userId <= 0 || req == nil || req.CommentId <= 0 || req.IsLike == nil {
+		return nil, srvdef.New(srvdef.ErrParamError, "", "")
+	}
+	comment, err := commentmod.FindOneComment(ctx, bson.M{
+		commentmod.FN.Comment.Id:           req.CommentId,
+		commentmod.FN.Comment.ReviewStatus: 1,
+	})
+	if err != nil {
+		return nil, err
+	}
+	var changed bool
+	if *req.IsLike {
+		changed, err = commentlikemod.Add(ctx, userId, req.CommentId)
+	} else {
+		changed, err = commentlikemod.Remove(ctx, userId, req.CommentId)
+	}
+	if err != nil {
+		return nil, err
+	}
+	count := comment.CountLike
+	if changed {
+		delta := int64(1)
+		if !*req.IsLike {
+			delta = -1
+		}
+		count, err = commentmod.ChangeLikeCount(ctx, req.CommentId, delta)
+		if err != nil {
+			if *req.IsLike {
+				_, _ = commentlikemod.Remove(ctx, userId, req.CommentId)
+			} else {
+				_, _ = commentlikemod.Add(ctx, userId, req.CommentId)
+			}
+			return nil, err
+		}
+	} else {
+		current, findErr := commentmod.FindOneComment(ctx, bson.M{commentmod.FN.Comment.Id: req.CommentId})
+		if findErr != nil {
+			return nil, findErr
+		}
+		count = current.CountLike
+	}
+	if cacheErr := redis.Del(redisconst.CommentListCacheKey(comment.ObjectId, comment.ObjectType)); cacheErr != nil {
+		log.Warn("SetCommentLike clear cache", log.E(cacheErr))
+	}
+	return &proto.CommentLikeSetResp{CommentId: req.CommentId, IsLike: *req.IsLike, CountLike: count}, nil
+}