moved services into the service directory

src/public/javascripts/services/server.js

@@ -0,0 +1,104 @@
+"use strict";
+
+import protected_session from './protected_session.js';
+import utils from './utils.js';
+
+function getHeaders() {
+    let protectedSessionId = null;
+
+    try { // this is because protected session might not be declared in some cases - like when it's included in migration page
+        protectedSessionId = protected_session.getProtectedSessionId();
+    }
+    catch(e) {}
+
+    // headers need to be lowercase because node.js automatically converts them to lower case
+    // so hypothetical protectedSessionId becomes protectedsessionid on the backend
+    return {
+        protected_session_id: protectedSessionId,
+        source_id: glob.sourceId
+    };
+}
+
+async function get(url) {
+    return await call('GET', url);
+}
+
+async function post(url, data) {
+    return await call('POST', url, data);
+}
+
+async function put(url, data) {
+    return await call('PUT', url, data);
+}
+
+async function remove(url) {
+    return await call('DELETE', url);
+}
+
+let i = 1;
+const reqResolves = {};
+
+async function call(method, url, data) {
+    if (utils.isElectron()) {
+        const ipc = require('electron').ipcRenderer;
+        const requestId = i++;
+
+        return new Promise((resolve, reject) => {
+            reqResolves[requestId] = resolve;
+
+            console.log(utils.now(), "Request #" + requestId + " to " + method + " " + url);
+
+            ipc.send('server-request', {
+                requestId: requestId,
+                headers: getHeaders(),
+                method: method,
+                url: "/" + baseApiUrl + url,
+                data: data
+            });
+        });
+    }
+    else {
+        return await ajax(url, method, data);
+    }
+}
+
+if (utils.isElectron()) {
+    const ipc = require('electron').ipcRenderer;
+
+    ipc.on('server-response', (event, arg) => {
+        console.log(utils.now(), "Response #" + arg.requestId + ": " + arg.statusCode);
+
+        reqResolves[arg.requestId](arg.body);
+
+        delete reqResolves[arg.requestId];
+    });
+}
+
+async function ajax(url, method, data) {
+    const options = {
+        url: baseApiUrl + url,
+        type: method,
+        headers: getHeaders()
+    };
+
+    if (data) {
+        options.data = JSON.stringify(data);
+        options.contentType = "application/json";
+    }
+
+    return await $.ajax(options).catch(e => {
+        const message = "Error when calling " + method + " " + url + ": " + e.status + " - " + e.statusText;
+        utils.showError(message);
+        utils.throwError(message);
+    });
+}
+
+export default {
+    get,
+    post,
+    put,
+    remove,
+    ajax,
+    // don't remove, used from CKEditor image upload!
+    getHeaders
+};