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process-attachment-list.component.ts
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process-attachment-list.component.ts
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/*!
* @license
* Copyright © 2005-2024 Hyland Software, Inc. and its affiliates. All rights reserved.
*
* 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 { DataTableModule, DownloadService, EmptyListComponent, ThumbnailService } from '@alfresco/adf-core';
import {
AfterContentInit,
ContentChild,
Component,
EventEmitter,
Input,
NgZone,
OnChanges,
Output,
SimpleChanges,
ViewEncapsulation
} from '@angular/core';
import { ProcessContentService } from '../../form/services/process-content.service';
import { CommonModule } from '@angular/common';
import { TranslateModule } from '@ngx-translate/core';
import { MatProgressSpinnerModule } from '@angular/material/progress-spinner';
@Component({
selector: 'adf-process-attachment-list',
standalone: true,
imports: [CommonModule, DataTableModule, TranslateModule, MatProgressSpinnerModule],
styleUrls: ['./process-attachment-list.component.scss'],
templateUrl: './process-attachment-list.component.html',
encapsulation: ViewEncapsulation.None
})
export class ProcessAttachmentListComponent implements OnChanges, AfterContentInit {
@ContentChild(EmptyListComponent)
emptyTemplate: EmptyListComponent;
/** (**required**) The ID of the process instance to display. */
@Input()
processInstanceId: string;
/** Disable/Enable read-only mode for attachment list. */
@Input()
disabled: boolean = false;
/**
* Emitted when the attachment is double-clicked or the
* view option is selected from the context menu by the user from
* within the component. Returns a Blob representing the object
* that was clicked.
*/
@Output()
attachmentClick = new EventEmitter();
/**
* Emitted when the attachment list has fetched all the attachments.
* Returns a list of attachments.
*/
@Output()
success = new EventEmitter();
/**
* Emitted when the attachment list is not able to fetch the attachments
* (eg, following a network error).
*/
@Output()
error = new EventEmitter<any>();
hasCustomTemplate: boolean = false;
attachments: any[] = [];
isLoading: boolean = false;
constructor(
private processContentService: ProcessContentService,
private downloadService: DownloadService,
private thumbnailService: ThumbnailService,
private ngZone: NgZone
) {}
ngOnChanges(changes: SimpleChanges) {
if (changes['processInstanceId']?.currentValue) {
this.loadAttachmentsByProcessInstanceId(changes['processInstanceId'].currentValue);
}
}
ngAfterContentInit() {
if (this.emptyTemplate) {
this.hasCustomTemplate = true;
}
}
reset() {
this.attachments = [];
}
reload(): void {
this.ngZone.run(() => {
this.loadAttachmentsByProcessInstanceId(this.processInstanceId);
});
}
add(content: any): void {
this.ngZone.run(() => {
this.attachments.push({
id: content.id,
name: content.name,
created: content.created,
createdBy: content.createdBy.firstName + ' ' + content.createdBy.lastName,
icon: this.thumbnailService.getMimeTypeIcon(content.mimeType)
});
});
}
onShowRowActionsMenu(event: any) {
const viewAction = {
title: 'ADF_PROCESS_LIST.MENU_ACTIONS.VIEW_CONTENT',
name: 'view'
};
const removeAction = {
title: 'ADF_PROCESS_LIST.MENU_ACTIONS.REMOVE_CONTENT',
name: 'remove'
};
const downloadAction = {
title: 'ADF_PROCESS_LIST.MENU_ACTIONS.DOWNLOAD_CONTENT',
name: 'download'
};
event.value.actions = [viewAction, downloadAction];
if (!this.disabled) {
event.value.actions.splice(1, 0, removeAction);
}
}
onExecuteRowAction(event: any) {
const args = event.value;
const action = args.action;
if (action.name === 'view') {
this.emitDocumentContent(args.row.obj);
} else if (action.name === 'remove') {
this.deleteAttachmentById(args.row.obj.id);
} else if (action.name === 'download') {
this.downloadContent(args.row.obj);
}
}
openContent(event: any): void {
const content = event.value.obj;
this.emitDocumentContent(content);
}
emitDocumentContent(content: any) {
this.processContentService.getContentPreview(content.id).subscribe(
(blob: Blob) => {
content.contentBlob = blob;
this.attachmentClick.emit(content);
},
(err) => {
this.error.emit(err);
}
);
}
downloadContent(content: any): void {
this.processContentService.getFileRawContent(content.id).subscribe(
(blob: Blob) => this.downloadService.downloadBlob(blob, content.name),
(err) => {
this.error.emit(err);
}
);
}
private loadAttachmentsByProcessInstanceId(processInstanceId: string) {
if (processInstanceId) {
this.reset();
this.isLoading = true;
const isRelatedContent = 'true';
this.processContentService.getProcessRelatedContent(processInstanceId, { isRelatedContent }).subscribe(
(res) => {
res.data.forEach((content) => {
this.attachments.push({
id: content.id,
name: content.name,
created: content.created,
createdBy: content.createdBy.firstName + ' ' + content.createdBy.lastName,
icon: this.thumbnailService.getMimeTypeIcon(content.mimeType)
});
});
this.success.emit(this.attachments);
this.isLoading = false;
},
(err) => {
this.error.emit(err);
this.isLoading = false;
}
);
}
}
private deleteAttachmentById(contentId: number) {
if (contentId) {
this.processContentService.deleteRelatedContent(contentId).subscribe(
() => {
this.attachments = this.attachments.filter((content) => content.id !== contentId);
},
(err) => {
this.error.emit(err);
}
);
}
}
}