im/src/server/endpoints/v2/search.endpoint.js

/**
 * 搜索接口。
 *
 * author: Sand
 * since: 12/15/2016
 */
"use strict";

let express = require('express');
let router = express.Router();

let ControllerUtil = require("../../util/controller.util.js");
let MySqlSearcher = require('../../models/search/mysql.searcher');

/**
 * 搜索API。
 *
 * 参数：
 *  target: all/doctor/session/message
 *  keyword: 关键字
 *  page: 第几页，从1开始，当target为all时无效
 *  size: 页大小，当target为all时无效
 *
 * URL:
 *  /search?target=all&keyword=张&page
 */
router.get("/", function (req, res) {
    ControllerUtil.checkRequestQueryParams(req, ['user_id', 'target', 'keyword']);

    let userId = req.query.user_id;
    let target = req.query.target;
    let keyword = req.query.keyword;
    let page = req.query.page;
    let size = req.query.size;

    page = page ? parseInt(page) - 1 : 0;
    size = size ? parseInt(size) : 10;

    let searcher = new MySqlSearcher();
    ControllerUtil.regModelEventHandler(searcher, res);

    if (target == 'all') {
        searcher.searchAll(userId, keyword);
    } else if (target == 'doctor') {
        searcher.searchDoctors(keyword, page, size)
    } else if (target == 'session') {
        searcher.searchSessions(userId, keyword, page, size);
    } else if (target == 'message') {
        searcher.searchMessages(userId, keyword, page, size);
    } else {
        throw {message: "Unknown target type: " + target};
    }
});

module.exports = router;