labo-components/app/api/QueryAPI.js

B&G UI components

import UserQuery from '../model/UserQuery';
import APIError from '../model/APIError';
import LocalStorageHandler from '../util/LocalStorageHandler';

export default class QueryAPI {

	static save = (userId, projectId, query, callback) => {
		let url = _config.QUERY_API_BASE + '/'
		if (userId) {
		    url += userId + '/';
		    if (projectId){
		        url += "projects/" + projectId + '/'
		    }
		}
		url += "queries";

		let method = 'POST'
		if (query.id) { // existing query, update it
			url += '/' + query.id;
			method = 'PUT';
		}
	    const xhr = new XMLHttpRequest();
		xhr.onreadystatechange = function() {
			if (xhr.readyState === XMLHttpRequest.DONE) {
				if(xhr.status === 200) {
					const respData = JSON.parse(xhr.responseText);
					if(respData && ! respData.error) {
						callback(UserQuery.construct(respData));
					} else {
						callback(null);
					}
				} else {
					callback(null);
				}
			}
		}
		xhr.open(method, url);
		xhr.setRequestHeader("Content-Type", "application/json;charset=UTF-8");
		xhr.send(JSON.stringify(query.toServerObject()));
	};

    static list = (userId, projectId, callback) => {

		let url = _config.QUERY_API_BASE + '/'
		if (userId){
		    url += userId + '/';
		    if (projectId){
		        url += "projects/" + projectId + '/'
		    }
		}
		url += "queries";
		const xhr = new XMLHttpRequest();
		xhr.onreadystatechange = function() {
			if (xhr.readyState === XMLHttpRequest.DONE) {
				if(xhr.status === 200) {
					const respData = JSON.parse(xhr.responseText);
					if(respData && !respData.error && typeof(respData) === 'object') {
						callback(respData.map(q => UserQuery.construct(q)));
					} else {
						callback(null);
					}
				} else {
					callback(null);
				}
			}
		}
		xhr.open("GET", url);
		xhr.setRequestHeader("Content-Type", "application/json;charset=UTF-8");
		xhr.send();
	};

	static get = (queryId, userId, projectId, callback) => {
		let url = _config.QUERY_API_BASE + '/'
		if (userId){
		    url += userId + '/';;
		    if (projectId){
		        url += "projects/" + projectId + "/"
		    }
		}
		url += "queries/";
		url += encodeURIComponent(queryId);
		const xhr = new XMLHttpRequest();
		xhr.onreadystatechange = function() {
			if (xhr.readyState === XMLHttpRequest.DONE) {
				if(xhr.status === 200) {
					const respData = JSON.parse(xhr.responseText);
					if(!respData) {
						callback(null);
					} else if(respData.error) {
						callback(new APIError(respData.error));
					} else {
						callback(UserQuery.construct(respData));
					}
				} else {
					callback(null);
				}
			}
		};
		xhr.open("GET", url);
		xhr.setRequestHeader("Content-Type", "application/json;charset=UTF-8");
		xhr.send();
	};

	static delete = (queryId, userId, projectId, callback) => {
		let url = _config.QUERY_API_BASE + '/'
		url += userId + '/';;
		url += "projects/" + projectId + "/"
		url += "queries/";
		url += encodeURIComponent(queryId);
		const xhr = new XMLHttpRequest();
		xhr.onreadystatechange = function() {
			if (xhr.readyState === XMLHttpRequest.DONE) {
				if(xhr.status === 200) {
					const respData = JSON.parse(xhr.responseText);
					if(!respData) {
						callback(null);
					} else if(respData.error) {
						callback(new APIError(respData.error));
					} else {
						callback(respData);
					}
				} else {
					callback(null);
				}
			}
		};
		xhr.open("DELETE", url);
		xhr.setRequestHeader("Content-Type", "application/json;charset=UTF-8");
		xhr.send();
	};

}