[ADF-4896] Merging AMA and ADF notifications for a better world

lib/core/notifications/services/notification.service.ts

@@ -0,0 +1,129 @@
+/*!
+ * @license
+ * Copyright 2019 Alfresco Software, Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { Injectable } from '@angular/core';
+import { MatSnackBar, MatSnackBarRef, MatSnackBarConfig } from '@angular/material';
+import { TranslationService } from '../../services/translation.service';
+import { AppConfigService, AppConfigValues } from '../../app-config/app-config.service';
+import { Subject } from 'rxjs';
+import { Notification } from '../models/notification.model';
+import { info, warning, error } from '../helpers/notification.factory';
+
+const INFO_SNACK_CLASS = 'adf-info-snackbar';
+const WARN_SNACK_CLASS = 'adf-warning-snackbar';
+const ERROR_SNACK_CLASS = 'adf-error-snackbar';
+
+@Injectable({
+    providedIn: 'root'
+})
+export class NotificationService {
+
+    DEFAULT_DURATION_MESSAGE: number = 5000;
+
+    notifications$: Subject<Notification> = new Subject();
+
+    constructor(private snackBar: MatSnackBar,
+                private translationService: TranslationService,
+                private appConfigService: AppConfigService) {
+        this.DEFAULT_DURATION_MESSAGE = this.appConfigService.get<number>(AppConfigValues.NOTIFY_DURATION) || this.DEFAULT_DURATION_MESSAGE;
+    }
+
+    /**
+     * Opens a SnackBar notification to show a message.
+     * @param message The message (or resource key) to show.
+     * @param config Time before notification disappears after being shown or MatSnackBarConfig object
+     * @param interpolateArgs The interpolation parameters to add for the translation
+     * @returns Information/control object for the SnackBar
+     */
+    openSnackMessage(message: string, config?: number | MatSnackBarConfig, interpolateArgs?: any): MatSnackBarRef<any> {
+        return this.dispatchNotification(message, null, config, interpolateArgs);
+    }
+
+    /**
+     * Opens a SnackBar notification with a message and a response button.
+     * @param message The message (or resource key) to show.
+     * @param action Caption for the response button
+     * @param config Time before notification disappears after being shown or MatSnackBarConfig object
+     * @param interpolateArgs The interpolation parameters to add for the translation
+     * @returns Information/control object for the SnackBar
+     */
+    openSnackMessageAction(message: string, action: string, config?: number | MatSnackBarConfig, interpolateArgs?: any): MatSnackBarRef<any> {
+        return this.dispatchNotification(message, action, config, interpolateArgs);
+    }
+
+    /**
+     * Rase error message
+     * @param message Text message or translation key for the message.
+     * @param action Action name
+     * @param interpolateArgs The interpolation parameters to add for the translation
+     */
+    showError(message: string, action?: string, interpolateArgs?: any): MatSnackBarRef<any> {
+        return this.dispatchNotification(message, action, { panelClass: ERROR_SNACK_CLASS }, interpolateArgs);
+    }
+
+    /**
+     * Rase info message
+     * @param message Text message or translation key for the message.
+     * @param action Action name
+     * @param interpolateArgs The interpolation parameters to add for the translation
+     */
+    showInfo(message: string, action?: string, interpolateArgs?: any): MatSnackBarRef<any> {
+        return this.dispatchNotification(message, action, { panelClass: INFO_SNACK_CLASS }, interpolateArgs);
+    }
+
+    /**
+     * Rase warning message
+     * @param message Text message or translation key for the message.
+     * @param action Action name
+     * @param interpolateArgs The interpolation parameters to add for the translation
+     */
+    showWarning(message: string, action?: string, interpolateArgs?: any): MatSnackBarRef<any> {
+        return this.dispatchNotification(message, action, { panelClass: WARN_SNACK_CLASS }, interpolateArgs);
+    }
+
+    /**
+     *  dismiss the notification snackbar
+     */
+    dismissSnackMessageAction() {
+        return this.snackBar.dismiss();
+    }
+
+    private dispatchNotification(message: string, action?: string, config?: number | MatSnackBarConfig, interpolateArgs?: any):  MatSnackBarRef<any> {
+            const translatedMessage: string = this.translationService.instant(message, interpolateArgs);
+            const createNotification = this.getNotificationCreator(config);
+            this.notifications$.next(createNotification(translatedMessage));
+
+            return this.snackBar.open(translatedMessage, action, {
+                duration: (typeof config === 'number') ? config : this.DEFAULT_DURATION_MESSAGE,
+                panelClass: INFO_SNACK_CLASS,
+                ...( (typeof config === 'object') ? config : {} )
+            });
+    }
+
+    private getNotificationCreator(config?: number | MatSnackBarConfig) {
+        const panelClass: string = config && (<MatSnackBarConfig> config).panelClass && (<MatSnackBarConfig> config).panelClass[0] || '';
+
+        switch (panelClass) {
+            case ERROR_SNACK_CLASS:
+                return error;
+            case WARN_SNACK_CLASS:
+                return warning;
+            default:
+                return info;
+        }
+    }
+}