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href="util.PushMessage.html" class="nav-name">PushMessage</a></li> <li class=""><a href="util.TokenStorage.html" class="nav-name">TokenStorage</a></li> <li class=""><a href="util.ValidationResult.html" class="nav-name">ValidationResult</a></li> <li class=""><a href="util.Validator.html" class="nav-name">Validator</a></li> <li class=""><a href="util.TokenStorageFactory.html" class="nav-name">TokenStorageFactory</a></li> </ul> </li> </ul> </div> <div class="col-md-12" id="main"> <div class="content"> <h1 class="page-title">Source: lib/util/Code.js</h1> <section> <article> <pre class="prettyprint source linenums"><code>'use strict'; const message = require('../message'); const StatusCode = require('../connector/Message').StatusCode; const deprecated = require('./deprecated'); /** * Representation of a Code which runs on Baqend. * * @alias util.Code */ class Code { /** * @param {metamodel.Metamodel} metamodel * @param {EntityManagerFactory} entityManagerFactory */ constructor(metamodel, entityManagerFactory) { /** * @type metamodel.Metamodel */ this.metamodel = metamodel; /** @type EntityManagerFactory */ this.entityManagerFactory = entityManagerFactory; } /** * Converts the given function to a string * @param {Function} fn The JavaScript function to serialize * @return {string} The serialized function */ functionToString(fn) { if (!fn) { return ''; } let str = fn.toString(); str = str.substring(str.indexOf('{') + 1, str.lastIndexOf('}')); if (str.charAt(0) === '\n') { str = str.substring(1); } if (str.charAt(str.length - 1) === '\n') { str = str.substring(0, str.length - 1); } return str; } /** * Converts the given string to a module wrapper function * @param {Array<string>} signature The expected parameters of the function * @param {string} code The JavaScript function to deserialize * @return {Function} The deserialized function */ stringToFunction(signature, code) { return new Function(signature, code); // eslint-disable-line no-new-func } /** * Loads a list of all available modules without handlers * * @return {Promise<Array<string>>} */ loadModules() { const msg = new message.GetAllModules(); return this.entityManagerFactory.send(msg) .then(response => response.entity); } /** * Loads Baqend code which will be identified by the given bucket and code type * * @param {metamodel.ManagedType|string} type The entity type for the handler or the Name of the * Baqend code * @param {string} codeType The type of the code * @param {true} asFunction set it to <code>true</code>, to parse the code as a function and return it * instead of a string * @return {Promise<Function>} The code as parsed function * * @function * @name loadCode * @memberOf util.Code.prototype */ /** * Loads Baqend code which will be identified by the given bucket and code type * * @param {metamodel.ManagedType|string} type The entity type for the handler or the Name of the * Baqend code * @param {string} codeType The type of the code * @param {false} [asFunction=false] set it to <code>true</code>, to parse the code as a function and return it * instead of a string * @return {Promise<string>} The code as string */ loadCode(type, codeType, asFunction) { const bucket = Object(type) instanceof String ? type : type.name; const msg = new message.GetBaqendCode(bucket, codeType) .responseType('text'); return this.entityManagerFactory.send(msg) .then(response => this.parseCode(bucket, codeType, asFunction, response.entity), (e) => { if (e.status === StatusCode.OBJECT_NOT_FOUND) { return null; } throw e; }); } /** * Saves Baqend code which will be identified by the given bucket and code type * * @param {metamodel.ManagedType|string} type The entity type for the handler or the Name of the * Baqend code * @param {string} codeType The type of the code * @param {string} fn Baqend code as a string * @return {Promise<string>} The stored code as a string * * @function * @name saveCode * @memberOf util.Code.prototype */ /** * Saves Baqend code which will be identified by the given bucket and code type * * @param {metamodel.ManagedType|string} type The entity type for the handler or the Name of the * Baqend code * @param {string} codeType The type of the code * @param {Function} fn Baqend code as a function * @return {Promise<Function>} The stored code as a parsed function */ saveCode(type, codeType, fn) { const bucket = Object(type) instanceof String ? type : type.name; const asFunction = fn instanceof Function; const msg = new message.SetBaqendCode(bucket, codeType) .entity(asFunction ? this.functionToString(fn) : fn, 'text') .responseType('text'); return this.entityManagerFactory.send(msg) .then(response => this.parseCode(bucket, codeType, asFunction, response.entity)); } /** * Deletes Baqend code identified by the given bucket and code type * * @param {metamodel.ManagedType|string} type The entity type for the handler or the Name of the * Baqend code * @param {string} codeType The type of the code * @return {Promise<*>} succeed if the code was deleted */ deleteCode(type, codeType) { const bucket = Object(type) instanceof String ? type : type.name; const msg = new message.DeleteBaqendCode(bucket, codeType); return this.entityManagerFactory.send(msg) .then(() => this.parseCode(bucket, codeType, false, null)); } /** * @param {string} bucket * @param {string} codeType * @param {boolean} [asFunction=false] * @param {string} code * @return {string|Function} * @private */ parseCode(bucket, codeType, asFunction, code) { if (codeType === 'validate') { const type = this.metamodel.entity(bucket); type.validationCode = code; return asFunction ? type.validationCode : code; } return asFunction ? this.stringToFunction(['module', 'exports'], code) : code; } } deprecated(Code.prototype, '_metamodel', 'metamodel'); deprecated(Code.prototype, '_parseCode', 'parseCode'); module.exports = Code; </code></pre> </article> </section>  </div> </div> </div> </div> </div> <div id="footer" style="position:relative; z-index:1;"> <div class="container"> <div 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