APIlite/src/javascript.tpl.php

/**
 * Generated by APIlite
 * https://gitea.tpsoft.org/TPsoft.org/APIlite
 *
 * <?php echo date('Y-m-d H:i:s'); ?>
 */

class <?php echo $this->apiName; ?> {
	endpoint = <?php echo sprintf(substr($this->endpoint, 0, 4) == 'http' ? '"%s"' : '%s', $this->endpoint); ?>;
	bearerStorageKey = 'apilite_bearer_token';
	responseHandlers = [];
	errorHandlers = [];

	normalizeBearerToken(token) {
		if (typeof token !== 'string') return null;
		token = token.trim();
		return token === '' ? null : token;
	}

	getStorage() {
		try {
			if (typeof window !== 'undefined' && window.localStorage) return window.localStorage;
		} catch (error) {
			return null;
		}
		return null;
	}

	getBearerToken() {
		var storage = this.getStorage();
		if (storage == null) return null;
		return this.normalizeBearerToken(storage.getItem(this.bearerStorageKey));
	}

	getRequestHeaders(headers = {}) {
		var requestHeaders = Object.assign({}, headers);
		if (typeof requestHeaders.Authorization === 'undefined') {
			var token = this.getBearerToken();
			if (token != null) requestHeaders.Authorization = 'Bearer ' + token;
		}
		return requestHeaders;
	}

	applyHeaders(xhttp, headers) {
		Object.keys(headers).forEach(key => {
			var value = headers[key];
			if (typeof value === 'undefined' || value === null) return;
			xhttp.setRequestHeader(key, value);
		});
	}

	bearerSet(token) {
		var storage = this.getStorage();
		if (storage == null) return;
		token = this.normalizeBearerToken(token);
		if (token == null) {
			storage.removeItem(this.bearerStorageKey);
			return;
		}
		storage.setItem(this.bearerStorageKey, token);
	}

	addResponseHandler(handler) {
		this.responseHandlers.push(handler);
		return () => {
			this.responseHandlers = this.responseHandlers.filter(registeredHandler => registeredHandler !== handler);
		};
	}

	addErrorHandler(handler) {
		this.errorHandlers.push(handler);
		return () => {
			this.errorHandlers = this.errorHandlers.filter(registeredHandler => registeredHandler !== handler);
		};
	}

	emitResponseHandlers(response, context) {
		this.responseHandlers.forEach(handler => {
			try {
				handler(response, context);
			} catch (error) {
				// Response handlers must not change the API request result.
			}
		});
	}

	emitErrorHandlers(response, context) {
		this.errorHandlers.forEach(handler => {
			try {
				handler(response, context);
			} catch (error) {
				// Error handlers must not change the API request result.
			}
		});
	}

	emitHandlers(response, context) {
		this.emitResponseHandlers(response, context);
		if (response.status === 'ERROR') this.emitErrorHandlers(response, context);
	}

	/* ----------------------------------------------------
	 * General API call
	 */
	call(method, data, callback) {
		var xhttp = new XMLHttpRequest();
		var headers = this.getRequestHeaders();
		var api = this;
		xhttp.withCredentials = true;
		xhttp.onreadystatechange = function() {
			if (this.readyState === 4) {
				var response;
				if (this.status === 200) {
					response = JSON.parse(this.responseText);
				} else {
					response = {'status': 'ERROR', 'msg': 'HTTP STATUS ' + this.status};
				}
				var context = {method: method, data: data, httpStatus: this.status};
				api.emitHandlers(response, context);
				if (callback != null) callback(response);
			}
		}
		var form_data  = new FormData();
		Object.keys(data).forEach(key => {
			let val = data[key];
			if (typeof val === 'undefined') return;
			if (typeof val == 'object') val = JSON.stringify(val);
			form_data.append(key, val);
		});
		xhttp.open('POST', this.endpoint + '?action=' + method);
		this.applyHeaders(xhttp, headers);
		xhttp.send(form_data);
	}

	callPromise(method, data) {
		return new Promise((resolve, reject) => {
			this.call(method, data, function(response) {
				if (method === '__HELP__') {
					resolve(response);
					return;
				}
				if (response.status === 'OK') {
					resolve(response.data);
				} else {
					reject(response.msg);
				}
			});
		})
	}

	/* ----------------------------------------------------
	 * API actions
	 */
	help() {
		return this.callPromise('__HELP__', {});
	}

<?php if (is_array($this->methods)) foreach ($this->methods as $method) {
	echo "\t".$method['name'].'('.implode(', ', array_map(function($param) { return $param['name']; }, $method['params'])).') {';
	echo "\n\t\treturn this.callPromise('".$method['name']."', {".implode(', ', array_map(function($param) { return $param['name'].': '.$param['name']; }, $method['params']))."});";
	echo "\n\t}\n\n";
	}
?>

};

export default new <?php echo $this->apiName; ?>();