uni-app 143点赞朋友圈api开发（二）

// 点赞朋友圈
  router.post('/moment/like',controller.moment.like);

// 点赞
    async like() {
        
        const { ctx, app } = this;
        let current_user_id = ctx.authUser.id;
        ctx.validate({
            id: {
                type: "int",
                required: true,
                desc: "朋友圈id"
            }
        });
        
        let { id } = ctx.request.body;
        let MomentTimeline = await app.model.MomentTimeline.findOne({
            where: {
                user_id: current_user_id,
                moment_id: id
            },
            include: [{
                model: app.model.Moment,
                attributes: ['user_id'],
                include: [{
                    model: app.model.MomentLike,
                    attributes: ['user_id'],
                }]
            }]
        });
        if (!MomentTimeline) {
            return ctx.apiFail('朋友圈消息不存在');
        }
        let like = await app.model.MomentLike.findOne({
            where: {
                user_id: current_user_id,
                moment_id: id
            }
        });
        let message = {
            avatar: ctx.authUser.avatar,
            user_id: current_user_id,
            type: "like"
        }
        if (like) {
            await like.destroy();
            ctx.apiSuccess(MomentTimeline.moment.moment_likes);
        } else {
            await app.model.MomentLike.create({
                user_id: current_user_id,
                moment_id: id
            });
            ctx.apiSuccess(MomentTimeline.moment.moment_likes);
        }
        // 通知作者
        if (MomentTimeline.moment.user_id && MomentTimeline.moment.user_id !== current_user_id) {
            ctx.sendAndSaveMessage(MomentTimeline.moment.user_id, message, 'moment');
        }
        
        // 通知相关人
        MomentTimeline.moment.moment_likes.forEach(item => {
            if (item.user_id !== current_user_id) {
                ctx.sendAndSaveMessage(item.user_id, message, 'moment');
            }
        });
    }