@bskid99/city-state-country/index.js

Get cities, states, countries across the world.

var countries = require('./countries.json').countries;
var states = require('./states.json').states;
var cities = require('./cities.json').cities;
var alasql = require("alasql");

module.exports = {

	getAllCountries: function() {
        	return countries;
    	},

	getAllStates: function() {
        	return states;
    	},

	// getAllStatesFromCountry: function(countryName) {
	// 	let stateCountryJoinQuery = 'SELECT state.* FROM ? as state WHERE state.country_id=(VALUE OF SELECT * FROM ? AS country WHERE country.name="'+countryName+'")';
	// 	let stateCountryJoinList = alasql(stateCountryJoinQuery, [states, countries]);
	// 	return stateCountryJoinList;
	// 	},
		
	searchCity: function(searchTextCity) {
		let searchCityQuery = 'SELECT * FROM ? as city WHERE name LIKE "'+searchTextCity+'%"';
		let cityList = alasql(searchCityQuery, [cities]);

		let cityStateJoinQuery = 'SELECT city.id as cityId, city.name as cityName, city.state_id, state.name as stateName, state.country_id FROM ? as city JOIN ? as state ON city.state_id=state.id';
		let cityStateJoinList = alasql(cityStateJoinQuery, [cityList, states]);

		let cityStateCountryJoinQuery = 'SELECT state.*, country.name as countryName, country.sortname as countryShortName, country.phoneCode as phoneCode FROM ? as state JOIN ? as country ON state.country_id=country.id';
		let cityStateCountryJoinList = alasql(cityStateCountryJoinQuery, [cityStateJoinList, countries]);
		return cityStateCountryJoinList;
	},

	getAllCitiesFromState: function(stateName) {
		let cityStateJoinQuery = 'SELECT city.* FROM ? as city WHERE city.state_id=(VALUE OF SELECT * FROM ? AS state WHERE state.name="'+stateName+'")';
		let cityStateJoinList = alasql(cityStateJoinQuery, [cities, states]);
		return cityStateJoinList;
    	},

	getAllStatesFromCountry: function(countryName) {
		countryIdQuery = "VALUE OF SELECT * FROM ? AS state WHERE state.name='"+countryName+"'";
		let countryId = alasql(countryIdQuery, [countries]);
		let stateCountryJoinQuery = 'SELECT state.* FROM ? as state WHERE state.country_id="'+countryId+'"';
		let stateCountryJoinList = alasql(stateCountryJoinQuery, [states]);
		return stateCountryJoinList;
		},
		
	searchState: function(searchTextState) {
		let searchStateQuery = 'SELECT * FROM ? as state WHERE name LIKE "'+searchTextState+'%"';
		let statesList = alasql(searchStateQuery, [states]);

		let stateCountryJoinQuery = 'SELECT state.*, country.name as countryName, country.sortname as countryShortName, country.phoneCode as phoneCode FROM ? as state JOIN ? as country ON state.country_id=country.id';
		let stateCountryList = alasql(stateCountryJoinQuery, [statesList, countries]);
		return stateCountryList;
	},

	searchCountry: function(searchTextCountry) {
		let searchCountryQuery = 'SELECT * FROM ? as country WHERE name LIKE "'+searchTextCountry+'%"';
		let countryList = alasql(searchCountryQuery, [countries]);
		return countryList;
	}
}