/**
 * 用户集合。管理Redis中的用户列表。
 *
 * author: Sand
 * since: 12/13/2016
 */
"use strict";

let RedisKeys = require('../../include/commons').REDIS_KEYS;
let BaseModel = require('../base.model');

let DoctorRepo = require('../../repository/mysql/doctor.repo');
let PatientRepo = require('../../repository/mysql/patient.repo');

let RedisClient = require('../../repository/redis/redis.client');
let redisConn = RedisClient.redisClient().connection;

let log = require('../../util/log');
let async = require('async');
var imDb = require('../../repository/mysql/db/im.db');

class Users extends BaseModel {
    constructor() {
        super();

        this._key = RedisKeys.Users;
    }

    getUser(userId) {

    }

    isPatientId(userId) {
        return async.waterfall([
                function (callback) {
                    var sql = "select case count(*) > 0 then true else false is_patient end c from patients where code = ?";

                    imDb.execQuery({
                        "sql": sql,
                        "args": [userId],
                        "handler": function (err, res) {
                            callback(err, res);
                        }
                    });

                    return false;
                },
                function (res, callback) {
                    callback(null, res.is_patient);
                }
            ],

            function (err, res) {
                if (err) {
                    log.error("User id probe failed: ", err);
                    return false;
                }

                return res;
            });
    }
}

module.exports = Users;