uni-app 145评论朋友圈api开发（二）

// 评论朋友圈
  router.post('/moment/comment',controller.moment.comment);

// 朋友圈评论
    async comment() {
        const { ctx, app } = this;
        let current_user_id = ctx.authUser.id;
        ctx.validate({
            id: {
                type: "int",
                required: true,
                desc: "朋友圈id"
            },
            content: {
                type: "string",
                required: true,
                desc: "评论内容"
            },
            reply_id: {
                type: "int",
                required: true,
                defValue: 0,
                desc: "回复id"
            }
        });
        let { id, content, reply_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 comment = await app.model.MomentComment.create({
            user_id: current_user_id,
            moment_id: id,
            content,
            reply_id
        });
        ctx.apiSuccess(comment);
        let message = {
            avatar: ctx.authUser.avatar,
            user_id: current_user_id,
            type: "comment"
        }
        // 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');
            }
        });
        // 通知被回复人
        if (reply_id > 0) {
            let index = MomentTimeline.moment.moment_likes.findIndex(item => {
                return item.user_id === reply_id
            });
            if (index === -1) {
                ctx.sendAndSaveMessage(reply_id, message, 'moment');
            }
        }
    }