uni-app 147我的朋友圈列表api开发

Posted 2022-01-07 2019ab

router.js

   // 某个人的朋友圈列表
  router.get('/moment/:page',controller.moment.list);

app/controller/moment.js

// 某个用户的朋友圈列表
    async list() 
        const  ctx, app  = this;
        let current_user_id = ctx.authUser.id;

        let page = ctx.params.page ? parseInt(ctx.params.page) : 1;
        let limit = ctx.query.limit ? parseInt(ctx.query.limit) : 10;
        let offset = (page - 1) * limit;
        let user_id = ctx.query.user_id ? parseInt(ctx.query.user_id) : 0;
        // ctx.validate(
        //     user_id: 
        //         type: "int",
        //         required: false,
        //         defValue: current_user_id,
        //         desc: "用户id"
        //     
        // );

        let lookIds = [];

        if (!user_id) 
            // 本人
            user_id = current_user_id;
            lookIds = false;
         else 
            // 验证我是否具备权限
            let f = await app.model.User.findOne(
                where: 
                    id: user_id,
                    status: 1
                ,
                attributes: ['id', 'nickname', 'username', 'avatar'],
                include: [
                    model: app.model.Friend,
                    as: "bfriends",
                    where: 
                        user_id: current_user_id
                    ,
                    attributes: ['lookhim', 'isblack']
                , 
                    model: app.model.Friend,
                    as: "friends",
                    where: 
                        friend_id: current_user_id
                    ,
                    attributes: ['lookme', 'isblack']
                ]
            );

            // 用户是否存在
            if (!f) 
                return ctx.apiFail('用户不存在或已被禁用');
            
            // 是否是好友关系
            if (!f.bfriends.length || !f.friends.length) 
                return ctx.apiSuccess([]);
            
            // 不可见
            if (f.bfriends[0].isblack || f.friends[0].isblack || !f.bfriends[0].lookhim || !f.friends[0].lookme) 
                return ctx.apiSuccess([]);
            
            // 获取当前用户所有好友（查找共同好友）
            let friends = await app.model.Friend.findAll(
                where: 
                    user_id: current_user_id,
                    isblack: 0
                ,
                attributes: ['friend_id']
            );

            lookIds = friends.map(item => item.friend_id);

        

        let rows = await app.model.Moment.findAll(
            where: 
                user_id
            ,
            include: [
                model: app.model.User,
                attributes: ['id', 'nickname', 'username', 'avatar']
            , 
                model: app.model.MomentComment,
                attributes: 
                    exclude: ['created_at', 'updated_at']
                ,
                include: [
                    model: app.model.User,
                    as: "momentCommentUser",
                    attributes: ['id', 'nickname', 'username']
                , 
                    model: app.model.User,
                    as: "momentCommentReply",
                    attributes: ['id', 'nickname', 'username']
                ]
            , 
                model: app.model.MomentLike,
                attributes: ['user_id', 'moment_id'],
                include: [
                    model: app.model.User,
                    attributes: ['id', 'nickname', 'username']
                ]
            ],
            offset,
            limit,
            order: [
                ['id', 'DESC']
            ]
        );

        let res = [];
        rows.forEach(item => 
            let comments = [];
            item.moment_comments.forEach(v => 
                if (!lookIds || lookIds.includes(v.momentCommentUser.id) || v.momentCommentUser.id === current_user_id) 
                    comments.push(
                        content: v.content,
                        user: 
                            id: v.momentCommentUser.id,
                            name: v.momentCommentUser.nickname || v.momentCommentUser.username
                        ,
                        reply: v.momentCommentReply ? 
                            id: v.momentCommentReply.id,
                            name: v.momentCommentReply.nickname || v.momentCommentReply.username
                         : null
                    )
                
            );

            let likes = [];
            item.moment_likes.forEach(v => 
                if (!lookIds || lookIds.includes(v.user.id) || v.user.id === current_user_id) 
                    likes.push(
                        id: v.user.id,
                        name: v.user.nickname || v.user.username
                    );
                
            );

            res.push(
                user_id: item.user_id,
                user_name: item.user.nickname || item.user.username,
                avatar: item.user.avatar,
                moment_id: item.id,
                content: item.content,
                image: item.image ? item.image.split(',') : [],
                video: item.video ? JSON.parse(item.video) : null,
                location: item.location,
                own: 1,
                created_at: item.created_at,
                comments,
                likes
            );
        );

        ctx.apiSuccess(res);
    

下图是我测试的截图

感谢大家观看，我们下次见