Small helper in UI to access API more easily

Fixes #1842

frontend/src/Diag/ConsoleApi.js

@@ -0,0 +1,120 @@
+import createAjaxRequest from 'Utilities/createAjaxRequest';
+
+// This file contains some helpers for power users in a browser console
+
+let hasWarned = false;
+
+function checkActivationWarning() {
+  if (!hasWarned) {
+    console.log('Activated LidarrApi console helpers.');
+    console.warn('Be warned: There will be no further confirmation checks.');
+    hasWarned = true;
+  }
+}
+
+function attachAsyncActions(promise) {
+  promise.filter = function() {
+    const args = arguments;
+    const res = this.then((d) => d.filter(...args));
+    attachAsyncActions(res);
+    return res;
+  };
+
+  promise.map = function() {
+    const args = arguments;
+    const res = this.then((d) => d.map(...args));
+    attachAsyncActions(res);
+    return res;
+  };
+
+  promise.all = function() {
+    const res = this.then((d) => Promise.all(d));
+    attachAsyncActions(res);
+    return res;
+  };
+
+  promise.forEach = function(action) {
+    const res = this.then((d) => Promise.all(d.map(action)));
+    attachAsyncActions(res);
+    return res;
+  };
+}
+
+class ResourceApi {
+  constructor(api, url) {
+    this.api = api;
+    this.url = url;
+  }
+
+  single(id) {
+    return this.api.fetch(`${this.url}/${id}`);
+  }
+
+  all() {
+    return this.api.fetch(this.url);
+  }
+
+  filter(pred) {
+    return this.all().filter(pred);
+  }
+
+  update(resource) {
+    return this.api.fetch(`${this.url}/${resource.id}`, { method: 'PUT', data: resource });
+  }
+
+  delete(resource) {
+    if (typeof resource === 'object' && resource !== null && resource.id) {
+      resource = resource.id;
+    }
+
+    if (!resource || !Number.isInteger(resource)) {
+      throw Error('Invalid resource', resource);
+    }
+
+    return this.api.fetch(`${this.url}/${resource}`, { method: 'DELETE' });
+  }
+
+  fetch(url, options) {
+    return this.api.fetch(`${this.url}${url}`, options);
+  }
+}
+
+class ConsoleApi {
+  constructor() {
+    this.series = new ResourceApi(this, '/artist');
+  }
+
+  resource(url) {
+    return new ResourceApi(this, url);
+  }
+
+  fetch(url, options) {
+    checkActivationWarning();
+
+    options = options || {};
+
+    const req = {
+      url,
+      method: options.method || 'GET'
+    };
+
+    if (options.data) {
+      req.dataType = 'json';
+      req.data = JSON.stringify(options.data);
+    }
+
+    const promise = createAjaxRequest(req).request;
+
+    promise.fail((xhr) => {
+      console.error(`Failed to fetch ${url}`, xhr);
+    });
+
+    attachAsyncActions(promise);
+
+    return promise;
+  }
+}
+
+window.LidarrApi = new ConsoleApi();
+
+export default ConsoleApi;

frontend/src/index.js

@@ -4,6 +4,7 @@ import { render } from 'react-dom';
 import createAppStore from 'Store/createAppStore';
 import App from './App/App';
 
+import 'Diag/ConsoleApi';
 import './preload';
 import './polyfills';
 import 'Styles/globals.css';