713 lines
24 KiB
JavaScript
713 lines
24 KiB
JavaScript
var mysql = require('mysql');
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var dbConfig = {
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host: '127.0.0.1',
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user: 'test', // mysql的账号
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password: '123456', // mysql 的密码
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database: 'mybookmarks',
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multipleStatements: true,
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port: 3306
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};
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var client = {}
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function handleDisconnect() {
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client = mysql.createConnection(dbConfig);
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client.connect(function(err) {
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if (err) {
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console.log('error when connecting to db:', err);
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setTimeout(handleDisconnect, 2000);
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}
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});
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client.on('error', function(err) {
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console.log('db error', err);
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if (err.code === 'PROTOCOL_CONNECTION_LOST') {
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handleDisconnect();
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} else {
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throw err;
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}
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});
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}
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handleDisconnect();
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Date.prototype.format = function(fmt) { //author: meizz
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var o = {
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"M+": this.getMonth() + 1, //月份
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"d+": this.getDate(), //日
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"h+": this.getHours(), //小时
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"m+": this.getMinutes(), //分
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"s+": this.getSeconds(), //秒
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"q+": Math.floor((this.getMonth() + 3) / 3), //季度
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"S": this.getMilliseconds() //毫秒
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};
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if (/(y+)/.test(fmt)) fmt = fmt.replace(RegExp.$1, (this.getFullYear() + "").substr(4 - RegExp.$1.length));
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for (var k in o)
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if (new RegExp("(" + k + ")").test(fmt)) fmt = fmt.replace(RegExp.$1, (RegExp.$1.length == 1) ? (o[k]) : (("00" + o[k]).substr(("" + o[k]).length)));
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return fmt;
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}
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// select 最多返回一行的话，返回对象，否则返回数组
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// insert 返回关键字
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// update delete 返回影响的行数
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var db = {
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}
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// var sql = "SELECT * FROM `users` WHERE `username` = 'luchenqun1'";
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// client.query(sql, (err, result) => {
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// if (err) {
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// console.log(err);
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// } else {
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// console.log(result);
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// }
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// });
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db.addBookmark = function(user_id, bookmark) {
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var insertSql = "INSERT INTO `bookmarks` (`user_id`, `title`, `description`, `url`, `public`, `click_count`) VALUES ('" + user_id + "', '" + bookmark.title + "', " + client.escape(bookmark.description) + ", '" + bookmark.url + "', '" + bookmark.public + "', '1')";
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var selectSql = "SELECT * FROM `bookmarks` WHERE `user_id` = '" + user_id + "' AND `url` = '" + bookmark.url + "'"
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return new Promise(function(resolve, reject) {
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client.query(selectSql, (err, result) => {
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if (err) {
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reject(err);
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} else {
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if (result.length >= 1) {
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resolve(result[0].id);
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} else {
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client.query(insertSql, (err, result) => {
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if (err) {
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reject(err);
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} else {
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resolve(result.insertId);
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}
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});
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}
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}
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});
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});
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};
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db.delBookmark = function(id) {
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var sql = "DELETE FROM `bookmarks` WHERE (`id`='" + id + "')";
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return new Promise(function(resolve, reject) {
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client.query(sql, (err, result) => {
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if (err) {
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reject(err);
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} else {
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resolve(result.affectedRows);
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}
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});
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});
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}
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db.updateBookmark = function(bookmark) {
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var sql = "UPDATE `bookmarks` SET `title`='" + bookmark.title + "', `description`=" + client.escape(bookmark.description) + ", `url`='" + bookmark.url + "', `public`='" + bookmark.public + "' WHERE (`id`='" + bookmark.id + "')";
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console.log("sql updateBookmark = " + sql);
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return new Promise(function(resolve, reject) {
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client.query(sql, (err, result) => {
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if (err) {
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reject(err);
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} else {
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resolve(result.affectedRows);
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}
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});
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});
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}
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db.getBookmark = function(id) {
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var sql = "SELECT * FROM `bookmarks` WHERE `id` = '" + id + "'";
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return new Promise(function(resolve, reject) {
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client.query(sql, (err, result) => {
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if (err) {
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reject(err);
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} else {
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resolve(result[0]);
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}
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});
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});
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}
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db.getBookmarkTags = function(bookmard_id) {
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var sql = "SELECT tag_id FROM `tags_bookmarks` WHERE `bookmark_id` = '" + bookmard_id + "'";
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return new Promise(function(resolve, reject) {
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client.query(sql, (err, result) => {
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if (err) {
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reject(err);
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} else {
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var tags = result.map((item) => item.tag_id);
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resolve(tags);
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}
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});
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});
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}
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db.delBookmarkTags = function(bookmard_id) {
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var sql = "DELETE FROM `tags_bookmarks` WHERE (`bookmark_id`='" + bookmard_id + "')";
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return new Promise(function(resolve, reject) {
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client.query(sql, (err, result) => {
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if (err) {
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reject(err);
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} else {
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resolve(result.affectedRows);
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}
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});
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});
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}
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db.getBookmarkIdsByTagId = function(tagId) {
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var sql = "SELECT bookmark_id FROM `tags_bookmarks` WHERE `tag_id` = '" + tagId + "'";
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return new Promise(function(resolve, reject) {
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client.query(sql, (err, result) => {
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if (err) {
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reject(err);
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} else {
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resolve(result);
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}
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});
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});
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}
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db.delTag = function(tagId) {
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var sql = "DELETE FROM `tags` WHERE (`id`='" + tagId + "')";
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return new Promise(function(resolve, reject) {
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client.query(sql, (err, result) => {
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if (err) {
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reject(err);
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} else {
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resolve(result.affectedRows);
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}
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});
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});
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}
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db.delTagBookmarks = function(tagId) {
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var sql = "DELETE FROM `tags_bookmarks` WHERE (`tag_id`='" + tagId + "')";
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return new Promise(function(resolve, reject) {
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client.query(sql, (err, result) => {
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if (err) {
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reject(err);
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} else {
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resolve(result.affectedRows);
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}
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});
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});
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}
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db.delBookmarks = function(bookmarkIds) {
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var sql = "DELETE FROM `bookmarks` WHERE id IN (" + (bookmarkIds.toString() || ("-1")) + ")";
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return new Promise(function(resolve, reject) {
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client.query(sql, (err, result) => {
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if (err) {
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reject(err);
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} else {
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resolve(result.affectedRows);
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}
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});
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});
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}
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db.addTagsBookmarks = function(tags, bookmard_id) {
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sql = "INSERT INTO `tags_bookmarks` (`tag_id`, `bookmark_id`) VALUES";
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for (var i = 0; i < tags.length; i++) {
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if (i >= 1) {
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sql += ','
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}
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sql += "('" + tags[i] + "', '" + bookmard_id + "')";
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}
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return new Promise(function(resolve, reject) {
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client.query(sql, (err, result) => {
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if (err) {
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reject(err);
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} else {
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resolve(result.affectedRows);
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}
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});
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});
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}
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db.updateLastUseTags = function(user_id, tags) {
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sql = "UPDATE tags SET last_use = NOW() WHERE user_id = '" + user_id + "' AND id in (" + tags.toString() + ")";
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return new Promise(function(resolve, reject) {
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client.query(sql, (err, result) => {
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if (err) {
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reject(err);
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} else {
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resolve(result.affectedRows);
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}
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});
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});
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}
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db.clickBookmark = function(id, user_id) {
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var sql = "UPDATE `bookmarks` SET `click_count`=`click_count`+1, `last_click`=now() WHERE (`id`='" + id + "') AND (`user_id`='" + user_id + "')";
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return new Promise(function(resolve, reject) {
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client.query(sql, (err, result) => {
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if (err) {
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reject(err);
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} else {
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resolve(result.affectedRows);
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}
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});
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});
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};
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db.updateUserLastLogin = function(id) {
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console.log('updateUserLastLogin');
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var sql = "UPDATE `users` SET `last_login`=now() WHERE (`id`='" + id + "')";
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return new Promise(function(resolve, reject) {
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client.query(sql, (err, result) => {
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if (err) {
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reject(err);
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} else {
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resolve(result.affectedRows);
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}
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});
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});
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};
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db.resetPassword = function(userId, password) {
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console.log('updateUserLastLogin');
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var sql = "UPDATE `users` SET `password` = '" + password + "' WHERE(`id` = '" + userId + "')";
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return new Promise(function(resolve, reject) {
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client.query(sql, (err, result) => {
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if (err) {
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reject(err);
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} else {
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resolve(result.affectedRows);
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}
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});
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});
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}
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db.register = function(user) {
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console.log('register');
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var sql = "INSERT INTO `users` (`username`, `password`, `email`) VALUES ('" + user.username + "', '" + user.password + "', '" + user.email + "')";
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return new Promise(function(resolve, reject) {
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client.query(sql, (err, result) => {
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if (err) {
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reject(err);
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} else {
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resolve(result.affectedRows);
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db.insertDefaultBookmarks(result.insertId);
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}
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});
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});
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};
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db.insertDefaultBookmarks = function(userId) {
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var tags_name = ["常用", "未分类"];
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db.addTags(userId, tags_name)
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.then((insertId) => {
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var bookmarks = [{
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title: "谷歌",
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description: "要翻墙的搜索网站",
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url: "https://www.google.com.hk/",
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public: "1"
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}, {
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title: "百度",
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description: "A:百度一下你会死啊？B:会！",
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url: "https://www.baidu.com/",
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public: "1"
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}, {
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title: "微博",
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description: "随时随地发现新鲜事",
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url: "http://weibo.com/",
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public: "1"
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}, {
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title: "天猫",
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description: "上天猫，就够了！",
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url: "https://www.tmall.com/",
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public: "1"
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}, {
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title: "优酷",
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description: "视频网站",
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url: "http://www.youku.com/",
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public: "1"
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}];
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var tags = [insertId];
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bookmarks.forEach((bookmark) => {
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db.addBookmark(userId, bookmark)
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.then((insertId) => db.addTagsBookmarks(tags, insertId))
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.catch((err) => console.log('insertDefaultBookmarks err2', err)); // oops!
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})
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})
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.catch((err) => console.log('insertDefaultBookmarks err1', err)); // oops!
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}
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db.getUser = function(username) {
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console.log('getUser');
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var sql = "SELECT * FROM `users` WHERE `username` = '" + username + "'";
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return new Promise(function(resolve, reject) {
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client.query(sql, (err, result) => {
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if (err) {
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reject(err);
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} else {
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resolve(result[0]);
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}
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});
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});
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};
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db.getTags = function(user_id) {
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console.log('getTags');
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var sql = "SELECT t.id, t.user_id, t.name, DATE_FORMAT(t.last_use, '%Y-%m-%d %H:%i:%s') as last_use, t.sort, tb.cnt FROM `tags` as t LEFT OUTER JOIN ( SELECT `tag_id`, COUNT(tag_id) as cnt FROM tags_bookmarks GROUP BY tag_id ) tb ON t.id = tb.tag_id WHERE t.user_id = '" + user_id + "' ORDER BY t.sort, t.last_use DESC";
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return new Promise(function(resolve, reject) {
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client.query(sql, (err, result) => {
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if (err) {
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reject(err);
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} else {
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resolve(result);
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}
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});
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});
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};
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db.updateTagName = function(tag) {
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console.log('updateTagName');
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var sql = "UPDATE `tags` SET `name`='" + tag.name + "' WHERE (`id`='" + tag.id + "')";
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console.log(sql);
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return new Promise(function(resolve, reject) {
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client.query(sql, (err, result) => {
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if (err) {
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reject(err);
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} else {
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resolve(result.affectedRows);
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}
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});
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});
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};
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db.updateTagsIndex = function(tagsIndex) {
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console.log('updateTagsIndex');
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var sql = "UPDATE tags SET sort = CASE id ";
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tagsIndex.forEach((tagIndex) => {
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sql += "WHEN " + tagIndex.id + " THEN " + tagIndex.index + " ";
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})
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var tagsId = tagsIndex.map((item) => item.id);
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sql += "END WHERE id IN (" + tagsId.toString() + ")";
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console.log(sql);
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return new Promise(function(resolve, reject) {
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client.query(sql, (err, result) => {
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if (err) {
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reject(err);
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} else {
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resolve(result.affectedRows);
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}
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});
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});
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};
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db.getTagsByIds = function(tagIds) {
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var sql = "SELECT * FROM `tags` WHERE id in(" + (tagIds.toString() || ("-1")) + ") GROUP BY id"; // 如果是空的，那查一个不存在的就行了。
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console.log('db getTagsByIds = ', sql);
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return new Promise(function(resolve, reject) {
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client.query(sql, (err, result) => {
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if (err) {
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reject(err);
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} else {
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resolve(result);
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}
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});
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});
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}
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db.getAdvices = function(params) {
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console.log('getAdvices');
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var sql = "SELECT mod(CEIL(RAND()*100), 5) as head_id, a.id, a.user_id, u.username, a.comment, a.category, DATE_FORMAT(a.created_at, '%Y-%m-%d %H:%i:%s') as created_at, a.state FROM `advices` as a LEFT OUTER JOIN users as u ON a.user_id = u.id ORDER BY a.created_at DESC LIMIT 0, 100";
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return new Promise(function(resolve, reject) {
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client.query(sql, (err, result) => {
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if (err) {
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reject(err);
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} else {
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resolve(result);
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}
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});
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});
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};
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db.addAdvice = function(params) {
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console.log('addAdvice');
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var sql = "INSERT INTO `advices` (`user_id`, `comment`, `category`) VALUES ('" + params.user_id + "', '" + params.comment + "', '" + params.category + "')";
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return new Promise(function(resolve, reject) {
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client.query(sql, (err, result) => {
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if (err) {
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reject(err);
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} else {
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resolve(result.affectedRows);
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}
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});
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});
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};
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db.getTagsByNames = function(user_id, tags_name) {
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console.log('getTagsByNames');
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var sql = "SELECT * FROM `tags` WHERE `user_id` = '" + user_id + "' AND `name` in (" + tags_name.toString() + ")";
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return new Promise(function(resolve, reject) {
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client.query(sql, (err, result) => {
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if (err) {
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reject(err);
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} else {
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resolve(result);
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}
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});
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});
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};
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db.addTags = function(user_id, tags_name) {
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console.log('addTags', tags_name);
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var sql = "INSERT INTO `tags` (`user_id`, `name`, `sort`) VALUES";
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tags_name.forEach((name, i) => {
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if (i >= 1) {
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sql += ','
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}
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sql += "('"+ user_id +"', '"+ name +"', '88')"; // sort默认一个比较大的值，默认在后面
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});
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return new Promise(function(resolve, reject) {
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if (tags_name.length == 0) {
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reject("tags_name is empty");
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} else {
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client.query(sql, (err, result) => {
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if (err) {
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reject(err);
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} else {
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resolve(result.insertId);
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}
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});
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}
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});
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};
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db.getBookmarksNavigate = function(tags) {
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// console.log('getBookmarksNavigate');
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// var sql = "SELECT t.id as tag_id, t.name as tag_name, b.* FROM `tags` as t LEFT OUTER JOIN tags_bookmarks as tb ON t.id = tb.tag_id LEFT OUTER JOIN bookmarks as b ON tb.bookmark_id = b.id WHERE t.user_id='" + user_id + "' ORDER BY t.id ASC, b.click_count DESC";
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var sql = "";
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tags.forEach((tag, index) => {
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var t = 't' + tag.id;
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if (index >= 1) {
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sql += " UNION "
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}
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sql += "(SELECT * FROM ((SELECT t.id AS tag_id, t.`name` as tag_name, t.sort, b.* FROM `tags` as t, `bookmarks`as b, `tags_bookmarks` as tb WHERE t.id = tb.tag_id AND b.id = tb.bookmark_id AND t.id = " + tag.id + " ORDER BY b.click_count DESC LIMIT 0, 16) UNION (SELECT t.id AS tag_id, t.`name` as tag_name, t.sort, b.* FROM `tags` as t, `bookmarks`as b, `tags_bookmarks` as tb WHERE t.id = tb.tag_id AND b.id = tb.bookmark_id AND t.id = " + tag.id + " ORDER BY b.created_at DESC LIMIT 0, 16)) as " + t + " ORDER BY " + t + ".click_count DESC, " + t + ".created_at DESC)";
|
||
})
|
||
console.log(sql);
|
||
|
||
return new Promise(function(resolve, reject) {
|
||
client.query(sql, (err, result) => {
|
||
if (err) {
|
||
reject(err);
|
||
} else {
|
||
resolve(result);
|
||
}
|
||
});
|
||
});
|
||
};
|
||
|
||
db.getBookmarksTable = function(params) {
|
||
var user_id = params.userId;
|
||
params.currentPage = params.currentPage || 1;
|
||
params.perPageItems = params.perPageItems || 20;
|
||
|
||
var sql = "SELECT id, user_id, title, description, url, public, click_count, DATE_FORMAT(created_at, ";
|
||
if (params.showStyle == 'card') {
|
||
sql += "'%Y-%m-%d %H:%i:%s'";
|
||
} else {
|
||
sql += "'%Y-%m-%d'";
|
||
}
|
||
sql += ") as created_at, DATE_FORMAT(last_click, '%Y-%m-%d') as last_click FROM `bookmarks` WHERE 1=1";
|
||
if (user_id) {
|
||
sql += " AND `user_id` = '" + user_id + "'";
|
||
if (params.showStyle == 'card') {
|
||
sql += " ORDER BY bookmarks.created_at DESC, bookmarks.click_count DESC";
|
||
} else {
|
||
sql += " ORDER BY bookmarks.click_count DESC, bookmarks.created_at DESC";
|
||
}
|
||
}
|
||
console.log(sql);
|
||
return new Promise(function(resolve, reject) {
|
||
client.query(sql, (err, result) => {
|
||
if (err) {
|
||
reject(err);
|
||
} else {
|
||
sql += " LIMIT " + (params.currentPage - 1) * params.perPageItems + ", " + params.perPageItems;
|
||
var totalItems = result.length;
|
||
console.log(totalItems, sql);
|
||
client.query(sql, (err, result) => {
|
||
if (err) {
|
||
reject(err);
|
||
} else {
|
||
var bookmarksData = {
|
||
totalItems: totalItems,
|
||
bookmarks: result,
|
||
}
|
||
resolve(bookmarksData);
|
||
}
|
||
});
|
||
}
|
||
});
|
||
})
|
||
}
|
||
|
||
db.getBookmarksByTag = function(params) {
|
||
var tag_id = params.tagId;
|
||
params.currentPage = params.currentPage || 1;
|
||
params.perPageItems = params.perPageItems || 20;
|
||
|
||
var sql = "SELECT bookmarks.id, bookmarks.user_id, bookmarks.title, bookmarks.description, bookmarks.url, bookmarks.public, bookmarks.click_count, DATE_FORMAT(bookmarks.created_at, '%Y-%m-%d') as created_at, DATE_FORMAT(bookmarks.last_click, '%Y-%m-%d') as last_click FROM `tags_bookmarks`, `bookmarks` WHERE tags_bookmarks.tag_id = '" + tag_id + "' AND tags_bookmarks.bookmark_id = bookmarks.id ORDER BY bookmarks.click_count DESC, bookmarks.created_at DESC";
|
||
|
||
return new Promise(function(resolve, reject) {
|
||
client.query(sql, (err, result) => {
|
||
if (err) {
|
||
reject(err);
|
||
} else {
|
||
sql += " LIMIT " + (params.currentPage - 1) * params.perPageItems + ", " + params.perPageItems;
|
||
var totalItems = result.length;
|
||
console.log(totalItems, sql);
|
||
client.query(sql, (err, result) => {
|
||
if (err) {
|
||
reject(err);
|
||
} else {
|
||
var bookmarksData = {
|
||
totalItems: totalItems,
|
||
bookmarks: result,
|
||
}
|
||
resolve(bookmarksData);
|
||
}
|
||
});
|
||
}
|
||
});
|
||
})
|
||
}
|
||
|
||
db.getBookmarksSearch = function(params) {
|
||
params.currentPage = params.currentPage || 1;
|
||
params.perPageItems = params.perPageItems || 20;
|
||
var sql = "SELECT id, user_id, title, description, url, public, click_count, DATE_FORMAT(created_at, '%Y-%m-%d') as created_at, DATE_FORMAT(last_click, '%Y-%m-%d') as last_click FROM `bookmarks` WHERE 1=1";
|
||
|
||
if (params.dateCreate) {
|
||
var d = new Date();
|
||
d.setDate(d.getDate() - parseInt(params.dateCreate));
|
||
sql += " AND `created_at` >= '" + d.format('yyyy-MM-dd') + "'"
|
||
} else if (params.dateCreateBegin && params.dateCreateEnd) {
|
||
sql += " AND `created_at` >= '" + params.dateCreateBegin + " 00:00:00" + "' AND `created_at` <= '" + params.dateCreateEnd + " 23:59:59" + "' "
|
||
}
|
||
if (params.dateClick) {
|
||
var d = new Date();
|
||
d.setDate(d.getDate() - parseInt(params.dateClick));
|
||
sql += " AND `last_click` >= '" + d.format('yyyy-MM-dd') + "'"
|
||
} else if (params.dateClickBegin && params.dateClickEnd) {
|
||
sql += " AND `last_click` >= '" + params.dateClickBegin + " 00:00:00" + "' AND `last_click` <= '" + params.dateClickEnd + " 23:59:59" + "' "
|
||
}
|
||
|
||
if (params.searchWord) {
|
||
sql += " AND (`title` LIKE '%" + params.searchWord + "%' OR `url` LIKE '%" + params.searchWord + "%')"
|
||
}
|
||
|
||
if (params.userRange == '1') {
|
||
if (params.userId) {
|
||
sql += " AND `user_id` = '" + params.userId + "'"
|
||
}
|
||
|
||
if (params.tags) {
|
||
sql += " AND `id` IN (SELECT `bookmark_id` FROM `tags_bookmarks` WHERE tag_id IN (" + params.tags + "))"
|
||
}
|
||
} else {
|
||
if (params.username) {
|
||
sql += " AND `user_id` IN (SELECT `id` FROM `users` WHERE `username` LIKE '%" + params.username + "%' )"
|
||
}
|
||
}
|
||
|
||
params.currentPage = params.currentPage || 1;
|
||
params.perPageItems = params.perPageItems || 20;
|
||
sql += " GROUP BY url ORDER BY click_count DESC, created_at DESC";
|
||
console.log(sql);
|
||
return new Promise(function(resolve, reject) {
|
||
client.query(sql, (err, result) => {
|
||
if (err) {
|
||
reject(err);
|
||
} else {
|
||
|
||
sql += " LIMIT " + (params.currentPage - 1) * params.perPageItems + ", " + params.perPageItems;
|
||
var totalItems = result.length;
|
||
client.query(sql, (err, result) => {
|
||
if (err) {
|
||
reject(err);
|
||
} else {
|
||
var searchData = {
|
||
totalItems: totalItems,
|
||
bookmarks: result,
|
||
}
|
||
resolve(searchData);
|
||
}
|
||
});
|
||
}
|
||
});
|
||
})
|
||
}
|
||
|
||
db.getBookmarksCard = function(user_id) {
|
||
return db.getBookmarksTable(user_id);
|
||
}
|
||
|
||
db.getTagsBookmarks = function(bookmark_ids) {
|
||
var sql = "SELECT * FROM `tags_bookmarks` WHERE bookmark_id in(" + (bookmark_ids.toString() || ("-1")) + ")"; // 如果是空的，那查一个不存在的就行了。
|
||
console.log('getTagsBookmarks', sql);
|
||
|
||
return new Promise(function(resolve, reject) {
|
||
client.query(sql, (err, result) => {
|
||
if (err) {
|
||
reject(err);
|
||
} else {
|
||
resolve(result);
|
||
}
|
||
});
|
||
});
|
||
}
|
||
|
||
db.getBookmarks = function() {
|
||
var sql = "SELECT id, snap_state FROM `bookmarks`"; // 如果是空的，那查一个不存在的就行了。
|
||
console.log('getBookmarks', sql);
|
||
|
||
return new Promise(function(resolve, reject) {
|
||
client.query(sql, (err, result) => {
|
||
if (err) {
|
||
reject(err);
|
||
} else {
|
||
resolve(result);
|
||
}
|
||
});
|
||
});
|
||
}
|
||
|
||
db.getBookmarkWaitSnap = function(today) {
|
||
var todayNotSnap = today + 31;
|
||
var sql = "SELECT id, url, snap_state FROM `bookmarks` WHERE `snap_state`>=0 AND `snap_state` <= 64 AND snap_state != " + todayNotSnap + " ORDER BY created_at DESC LIMIT 0, 1";
|
||
return new Promise(function(resolve, reject) {
|
||
client.query(sql, (err, result) => {
|
||
if (err) {
|
||
reject(err);
|
||
} else {
|
||
resolve(result);
|
||
}
|
||
});
|
||
});
|
||
}
|
||
|
||
db.updateBookmarkSnapState = function(id, snapState) {
|
||
console.log("updateBookmarkSnapState id = " + id + ", snapState = " + snapState);
|
||
var sql = "UPDATE `bookmarks` SET `snap_state`='" + snapState + "' WHERE (`id`='" + id + "')";
|
||
return new Promise(function(resolve, reject) {
|
||
client.query(sql, (err, result) => {
|
||
if (err) {
|
||
reject(err);
|
||
} else {
|
||
resolve(result.affectedRows);
|
||
}
|
||
});
|
||
});
|
||
}
|
||
|
||
module.exports = db;
|