feat(baidu-push): add plugin (#2838)

* Initial push.

* Revert tslint.json and switch imports around to be alphabetical.

* Remove non-used plugins to decrease build time.

* Finish the BaiduPush interface.

* Add observables.

* Restore other plugins.

* Restore file formatting.

* Update documentation.

* Update index.ts

src/@ionic-native/plugins/baidu-push/index.ts

@@ -0,0 +1,187 @@
+import { Injectable } from '@angular/core';
+import { Cordova, IonicNativePlugin, Plugin } from '@ionic-native/core';
+import { Observable } from 'rxjs/Observable';
+
+declare const baiduPush: any;
+
+export interface BaiduResponse<T> {
+  /**
+   * The corresponding Baidu SDK method called.
+   */
+  type: string;
+  /**
+   * The error code corresponding to Baidu's request.
+   */
+  errorCode?: string;
+  /**
+   * Registration data revelvant to subsequent actions.
+   */
+  data: T;
+}
+
+export interface RegistrationData {
+  /**
+   * The ID registered to Baidu for the app.
+   */
+  appId: string;
+  /**
+   * The ID registered to Baidu for the device.
+   */
+  userId: string;
+  /**
+   * The channel ID registered to Baidu for the app.
+   */
+  channelId: string;
+}
+
+export interface UnregistrationData {
+  /**
+   * The ID corresponding to the Baidu request.
+   */
+  requestId: string;
+}
+
+export interface TagData {
+  /**
+   * The ID corresponding to the Baidu request.
+   */
+  requestId: string;
+  /**
+   * The channel ID registered to Baidu for the app.
+   */
+  channelId: string;
+  /**
+   * The list of successfully set/deleted tags.
+   */
+  sucessTags: string[];
+  /**
+   * The list of unsuccessfully set/deleted tags.
+   */
+  failTags: string[];
+}
+
+export interface NotificationData {
+  /**
+   * The title of the notification.
+   */
+  title: string;
+  /**
+   * The description of the notification.
+   */
+  description: string;
+  /**
+   * Custom content for the notification.
+   */
+  customContentString?: string;
+}
+
+/**
+ * @name Baidu Push
+ * @description
+ * This plugin faciliates the use of Baidu Push notifications.
+ *
+ * @usage
+ * ```typescript
+ * import { BaiduPush } from '@ionic-native/baidu-push';
+ *
+ *
+ * constructor(private baiduPush: BaiduPush) { }
+ *
+ * ...
+ *
+ * this.baiduPush.startWork('xxxxxx')
+ *   .then((res: any) => console.log(res))
+ *   .catch((error: any) => console.error(error));
+ *
+ * ```
+ * @interfaces
+ * BaiduResponse
+ * RegistrationData
+ * UnregistrationData
+ * TagData
+ * NotificationData
+ */
+@Plugin({
+  pluginName: 'BaiduPush',
+  plugin: 'cordova-plugin-push-baidu',
+  pluginRef: 'baiduPush',
+  repo: 'https://github.com/Ti-webdev/cordova-plugin-push-baidu.git',
+  platforms: ['Android', 'iOS']
+})
+@Injectable()
+export class BaiduPush extends IonicNativePlugin {
+  /**
+   * This method registers the device to Baidu Cloud Push services.
+   * @param {string} apiKey Baidu Cloud Push API key.
+   * @return {Promise<BaiduResponse<RegistrationData>>} Returns a Promise that resolves with a BaiduResponse.
+   */
+  @Cordova()
+  startWork(apiKey: string): Promise<BaiduResponse<RegistrationData>> {
+    return;
+  }
+
+  /**
+   * This method unregisters the device to Baidu Cloud Push services.
+   * @return {Promise<BaiduResponse<UnregistrationData>>} Returns a Promise that resolves with a BaiduResponse.
+   */
+  @Cordova()
+  stopWork(): Promise<BaiduResponse<UnregistrationData>> {
+    return;
+  }
+
+  /**
+   * This method re-binds the device to Baidu Cloud Push services.
+   * @return {Promise<BaiduResponse<RegistrationData>>} Returns a Promise that resolves with a BaiduResponse.
+   */
+  @Cordova()
+  resumeWork(): Promise<BaiduResponse<RegistrationData>> {
+    return;
+  }
+
+  /**
+   * This sets tags in the Baidu Cloud Push services.
+   * @param tags {any} tags The tags to set.
+   * @return {Promise<BaiduResponse<TagData>>} Returns a Promise that resolves with a BaiduResponse.
+   */
+  @Cordova()
+  setTags(tags: any): Promise<BaiduResponse<TagData>> {
+    return;
+  }
+
+  /**
+   * This sets tags in the Baidu Cloud Push services.
+   * @param tags {any} tags The tags to set.
+   * @return {Promise<BaiduResponse<TagData>>} Returns a Promise that resolves with a BaiduResponse.
+   */
+  @Cordova()
+  delTags(tags: any): Promise<BaiduResponse<TagData>> {
+    return;
+  }
+
+  /**
+   * This method is called when a notification is recieved on the foreground.
+   * @return {Promise<BaiduResponse<NotificationData>>} Returns a Promise that resolves with a BaiduResponse.
+   */
+  @Cordova({ observable: true })
+  onMessage(): Observable<BaiduResponse<NotificationData>> {
+    return;
+  }
+
+  /**
+   * This method is called when the user taps a notification.
+   * @return {Promise<BaiduResponse<NotificationData>>} Returns a Promise that resolves with a BaiduResponse.
+   */
+  @Cordova({ observable: true })
+  onNotificationClicked(): Observable<BaiduResponse<NotificationData>> {
+    return;
+  }
+
+  /**
+   * This method is called when a notification is recieved.
+   * @return {Promise<BaiduResponse<NotificationData>>} Returns a Promise that resolves with a BaiduResponse.
+   */
+  @Cordova({ observable: true })
+  onNotificationArrived(): Observable<BaiduResponse<NotificationData>> {
+    return;
+  }
+}