init

user/plugins/admin/themes/grav/app/utils/gpm.js

@@ -0,0 +1,57 @@
+import { parseJSON, parseStatus, userFeedbackError } from './response';
+import { config } from 'grav-config';
+import EventEmitter from 'events';
+
+export default class GPM extends EventEmitter {
+    constructor(action = 'getUpdates') {
+        super();
+        this.payload = {};
+        this.raw = {};
+        this.action = action;
+    }
+
+    setPayload(payload = {}) {
+        this.payload = payload;
+        this.emit('payload', payload);
+
+        return this;
+    }
+
+    setAction(action = 'getUpdates') {
+        this.action = action;
+        this.emit('action', action);
+
+        return this;
+    }
+
+    fetch(callback = () => true, flush = false) {
+        let data = new FormData();
+        data.append('admin-nonce', config.admin_nonce);
+
+        if (flush) {
+            data.append('flush', true);
+        }
+
+        this.emit('fetching', this);
+
+        fetch(`${config.base_url_relative}/update.json/task${config.param_sep}getUpdates`, {
+            credentials: 'same-origin',
+            method: 'post',
+            body: data
+        }).then((response) => { this.raw = response; return response; })
+            .then(parseStatus)
+            .then(parseJSON)
+            .then((response) => this.response(response))
+            .then((response) => callback(response, this.raw))
+            .then((response) => this.emit('fetched', this.payload, this.raw, this))
+            .catch(userFeedbackError);
+    }
+
+    response(response) {
+        this.payload = response;
+
+        return response;
+    }
+}
+
+export let Instance = new GPM();