thingsboard/ui-ngx/src/app/core/services/utils.service.ts
2019-09-05 21:15:40 +03:00

117 lines
3.7 KiB
TypeScript

///
/// Copyright © 2016-2019 The Thingsboard Authors
///
/// 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 { Inject, Injectable } from '@angular/core';
import { WINDOW } from '@core/services/window.service';
import { WidgetInfo } from '@shared/models/widget.models';
import { ExceptionData } from '@app/shared/models/error.models';
import { isUndefined } from '@core/utils';
import { WindowMessage } from '@shared/models/window-message.model';
import { TranslateService } from '@ngx-translate/core';
import { customTranslationsPrefix } from '@app/shared/models/constants';
@Injectable({
providedIn: 'root'
})
export class UtilsService {
iframeMode = false;
widgetEditMode = false;
editWidgetInfo: WidgetInfo = null;
constructor(@Inject(WINDOW) private window: Window,
private translate: TranslateService) {
let frame: Element = null;
try {
frame = window.frameElement;
} catch (e) {
// ie11 fix
}
if (frame) {
this.iframeMode = true;
const dataWidgetAttr = frame.getAttribute('data-widget');
if (dataWidgetAttr && dataWidgetAttr.length) {
this.editWidgetInfo = JSON.parse(dataWidgetAttr);
this.widgetEditMode = true;
}
}
}
public processWidgetException(exception: any): ExceptionData {
const data = this.parseException(exception, -5);
if (this.widgetEditMode) {
const message: WindowMessage = {
type: 'widgetException',
data
};
this.window.parent.postMessage(message, '*');
}
return data;
}
public parseException(exception: any, lineOffset?: number): ExceptionData {
const data: ExceptionData = {};
if (exception) {
if (typeof exception === 'string') {
data.message = exception;
} else if (exception instanceof String) {
data.message = exception.toString();
} else {
if (exception.name) {
data.name = exception.name;
} else {
data.name = 'UnknownError';
}
if (exception.message) {
data.message = exception.message;
}
if (exception.lineNumber) {
data.lineNumber = exception.lineNumber;
if (exception.columnNumber) {
data.columnNumber = exception.columnNumber;
}
} else if (exception.stack) {
const lineInfoRegexp = /(.*<anonymous>):(\d*)(:)?(\d*)?/g;
const lineInfoGroups = lineInfoRegexp.exec(exception.stack);
if (lineInfoGroups != null && lineInfoGroups.length >= 3) {
if (isUndefined(lineOffset)) {
lineOffset = -2;
}
data.lineNumber = Number(lineInfoGroups[2]) + lineOffset;
if (lineInfoGroups.length >= 5) {
data.columnNumber = Number(lineInfoGroups[4]);
}
}
}
}
}
return data;
}
public customTranslation(translationValue: string, defaultValue: string): string {
let result = '';
const translationId = customTranslationsPrefix + translationValue;
const translation = this.translate.instant(translationId);
if (translation !== translationId) {
result = translation + '';
} else {
result = defaultValue;
}
return result;
}
}