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				@ -2,6 +2,7 @@ 
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				let ImDb = require('../mysql/db/im.db'); 
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				let async = require("async"); 
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				var ObjectUtil = require("../../util/object.util.js"); 
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				const DB_TABLES = require('../../include/commons').DB_TABLES; 
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				@ -18,11 +19,12 @@ class SearchRepo { 
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				    static findTopicEndedSessionIdList(userId, handler) { 
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				        let sql = "SELECT s.id " + 
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				            "FROM sessions s, topics t, participants p " + 
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				            "WHERE p.participant_id = '' AND p.session_id = s.id AND s.id = t.session_id AND t.end_message_id IS NOT NULL AND s.`type` IN (1) " + 
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				            "UNION " + 
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				            "WHERE p.participant_id = ? AND p.session_id = s.id AND s.id = t.session_id AND t.end_message_id IS NOT NULL AND s.`type` IN (1) " + 
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				            " UNION " + 
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				            "SELECT s.id " + 
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				            "FROM sessions s, participants p " + 
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				            "WHERE p.participant_id = '' AND p.session_id = s.id AND s.`type` IN (2, 3)"; 
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				            "WHERE p.participant_id = ? AND p.session_id = s.id AND s.`type` IN (2, 3)"; 
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				        ImDb.execQuery({ 
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				            sql: sql, 
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				            args: [userId, userId], 
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				@ -68,6 +70,10 @@ class SearchRepo { 
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				                SearchRepo.searchMessages(sessionIdList, keyword, 0, 3, function (err, res) { 
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				                    if (err) return handler(err, null); 
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				                    res.forEach(function (message) { 
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				                        message.timestamp = ObjectUtil.timestampToLong(message.timestamp); 
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				                    }); 
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				                    data.messages = res; 
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				                    handler(null, data); 
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				@ -87,8 +93,8 @@ class SearchRepo { 
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				     * @param handler 
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				     */ 
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				    static searchUser(sessionIdList, keyword, userTable, page, size, handler) { 
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				        let sql = "select u.id, u.name, u.sex, u.avatar from sessions s, participants p, " + userTable + 
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				            " u where s.id in (?) AND s.id = p.session_id AND p.participant_id = u.id and u.name like ? limit ?, ?"; 
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				        let sql = "SELECT u.id, u.name, u.sex, u.avatar FROM sessions s, participants p, " + userTable + 
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				            " u WHERE s.id in (?) AND s.id = p.session_id AND p.participant_id = u.id AND u.name like ? limit ?, ?"; 
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				        keyword = '%' + keyword + '%'; 
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				        ImDb.execQuery({ 
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				@ -102,7 +108,11 @@ class SearchRepo { 
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				     * 会话搜索 
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				     */ 
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				    static searchSessions(sessionIdList, keyword, page, size, handler) { 
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				        let sql = "select s.id, s.name, s.type, s.create_date, s.business_type from sessions s where s.id in (?) and s.name like ? limit ?, ? "; 
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				        if(sessionIdList.length == 0){ 
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				            return handler(null, []); 
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				        } 
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				        let sql = "SELECT s.id, s.name, s.type, s.create_date, s.business_type FROM sessions s WHERE s.id in (?) AND s.name LIKE ? LIMIT ?, ? "; 
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				        keyword = '%' + keyword + '%'; 
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				        ImDb.execQuery({ 
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				@ -116,17 +126,24 @@ class SearchRepo { 
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				     * 消息搜索 
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				     */ 
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				    static searchMessages(sessionIdList, keyword, page, size, handler) { 
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				        let sql = "SELECT s.id, s.name, s.type, s.create_date, s.business_type, m.sender_name, m.content " + 
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				        let sql = "SELECT * FROM(" + 
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				            "SELECT s.id session_id, s.name session_name, s.type session_type, s.business_type session_business_type, m.id message_id, m.sender_id, m.sender_name, m.timestamp, m.content " + 
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				            "FROM sessions s, muc_messages m " + 
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				            "WHERE s.id IN (?) AND s.id = m.session_id AND s.`type` = 1 AND m.content_type = 1 AND m.content LIKE ? GROUP BY s.id" + 
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				            " UNION " + 
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				            "SELECT s.id session_id, s.name session_name, s.type session_type, s.business_type session_business_type, m.id message_id, m.sender_id, m.sender_name, m.timestamp, m.content " + 
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				            "FROM sessions s, p2p_messages m " + 
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				            "WHERE s.id IN (?) AND s.id = m.session_id AND s.`type` IN (1,2,3) AND m.content_type = 1 AND m.content LIKE ? " + 
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				            "GROUP BY s.id " + 
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				            "ORDER BY s.last_message_time " + 
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				            "LIMIT ?, ?"; 
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				            "WHERE s.id IN (?) AND s.id = m.session_id AND s.`type` = 2 AND m.content_type = 1 AND m.content LIKE ? GROUP BY s.id" + 
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				            " UNION " + 
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				            "SELECT s.id session_id, s.name session_name, s.type session_type, s.business_type session_business_type, m.id message_id, m.sender_id, m.sender_name, m.timestamp, m.content " + 
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				            "FROM sessions s, group_messages m " + 
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				            "WHERE s.id IN (?) AND s.id = m.session_id AND s.`type` = 3 AND m.content_type = 1 AND m.content LIKE ? GROUP BY s.id) X " + 
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				            "ORDER BY X.timestamp"; 
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				        keyword = '%' + keyword + '%'; 
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				        ImDb.execQuery({ 
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				            sql: sql, 
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				            args: [sessionIdList, keyword, page * size, size], 
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				            args: [sessionIdList, keyword, sessionIdList, keyword, sessionIdList, keyword, page * size, size], 
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				            handler: handler 
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				        }); 
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				    } 
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