95 lines
3.0 KiB
JavaScript
95 lines
3.0 KiB
JavaScript
/**
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* Created by strawmanbobi
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* 2016-11-27
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*/
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// global inclusion
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let orm = require('orm');
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let dbOrm = require('../mini_poem/db/mysql/mysql_connection').mysqlDB;
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let logger = require('../mini_poem/logging/logger4js').helper;
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// local inclusion
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let ErrorCode = require('../constants/error_code');
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let errorCode = new ErrorCode();
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let City = dbOrm.define('city',
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{
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id: Number,
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code: String,
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name: String,
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longitude: Number,
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latitude: Number,
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name_tw: String
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},
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{
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cache: false
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}
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);
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City.listProvinces = function(callback) {
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let error = errorCode.SUCCESS;
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dbOrm.driver.execQuery("SELECT * FROM city WHERE code LIKE '__0000'", function(getProvincesErr, result) {
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if (getProvincesErr) {
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logger.info("get provinces failed : " + getProvincesErr);
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error = errorCode.FAILED;
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callback(error,null);
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} else {
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callback(error, result);
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}
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}
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);
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};
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City.listCities = function(provincePrefix, callback) {
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let error = errorCode.SUCCESS;
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// dbOrm is object of ORM
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dbOrm.driver.execQuery("SELECT * FROM city WHERE code LIKE '" + provincePrefix + "__00' AND code NOT LIKE '__0000'", function(getCitiesErr, result) {
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if (getCitiesErr) {
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logger.info("get cities failed : " + getCitiesErr);
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error = errorCode.FAILED;
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callback(error,null);
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} else {
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callback(error, result);
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}
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}
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);
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};
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City.countCities = function(conditions, callback) {
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dbOrm.driver.execQuery("SELECT COUNT(id) AS number FROM city WHERE " + conditions,
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function (countCitiesErr, result) {
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if (countCitiesErr) {
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logger.info("count cities failed : " + countCitiesErr);
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callback(errorCode.FAILED, null);
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} else {
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callback(errorCode.SUCCESS, result);
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}
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});
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};
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City.findCitiesByConditions = function(conditions, from, count, sortField, callback) {
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if("id" == sortField && 0 != from) {
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conditions.id = orm.lt(from);
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City.find(conditions).limit(parseInt(count)).orderRaw("?? ASC", [sortField])
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.run(function (error, cities) {
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if (error) {
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logger.error("find city error : " + error);
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callback(errorCode.FAILED, null);
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} else {
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callback(errorCode.SUCCESS, cities);
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}
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});
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} else {
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City.find(conditions).limit(parseInt(count)).offset(parseInt(from)).orderRaw("?? ASC", [sortField])
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.run(function (error, cities) {
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if (error) {
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logger.error("find city error : " + error);
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callback(errorCode.FAILED, null);
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} else {
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callback(errorCode.SUCCESS, cities);
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}
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});
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}
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};
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module.exports = City; |