Multiselect in mediafiles

Allows multiselect on mediafiles using the new folder structure
Add bulk delete on server
Add movement logic and path view

client/src/app/core/repositories/mediafiles/mediafile-repository.service.ts

@@ -135,4 +135,15 @@ export class MediafileRepositoryService extends BaseIsListOfSpeakersContentObjec
             directory_id: directoryId
         });
     }
+
+    /**
+     * Deletes many files.
+     *
+     * @param mediafiles The users to delete
+     */
+    public async bulkDelete(mediafiles: ViewMediafile[]): Promise<void> {
+        await this.httpService.post('/rest/mediafiles/mediafile/bulk_delete/', {
+            ids: mediafiles.map(mediafile => mediafile.id)
+        });
+    }
 }

client/src/app/shared/components/attachment-control/attachment-control.component.html

@@ -11,7 +11,7 @@
         type="button"
         mat-icon-button
         (click)="openUploadDialog(uploadDialog)"
-        *osPerms="'mediafiles.can_upload'"
+        *osPerms="'mediafiles.can_manage'"
     >
         <mat-icon>cloud_upload</mat-icon>
     </button>

client/src/app/site/mediafiles/components/mediafile-list/mediafile-list.component.html

@@ -1,4 +1,4 @@
-<os-head-bar [mainButton]="canUploadFiles" [multiSelectMode]="false" (mainEvent)="onMainEvent()">
+<os-head-bar [mainButton]="canEdit" [multiSelectMode]="isMultiSelect" (mainEvent)="onMainEvent()">
     <!-- Title -->
     <div class="title-slot">
         <h2 translate>Files</h2>
@@ -6,35 +6,40 @@
 
     <!-- Menu -->
     <div class="menu-slot" *osPerms="'mediafiles.can_manage'">
-        <button type="button" mat-icon-button (click)="createNewFolder(newFolderDialog)">
+        <button type="button" mat-icon-button (click)="createNewFolder(newFolderDialog)" *ngIf="!isMultiSelect">
             <mat-icon>create_new_folder</mat-icon>
         </button>
-        <!--<button type="button" mat-icon-button [matMenuTriggerFor]="mediafilesMenu">
+        <button type="button" mat-icon-button [matMenuTriggerFor]="mediafilesMenu">
             <mat-icon>more_vert</mat-icon>
-        </button>-->
+        </button>
     </div>
 
     <!-- Multiselect info -->
-    <!--<div *ngIf="this.isMultiSelect" class="central-info-slot">
+    <div *ngIf="isMultiSelect" class="central-info-slot">
         <button mat-icon-button (click)="toggleMultiSelect()"><mat-icon>arrow_back</mat-icon></button>
         <span>{{ selectedRows.length }}&nbsp;</span><span translate>selected</span>
-    </div>-->
+    </div>
 </os-head-bar>
 
 <!-- Folder navigation bar -->
 <div>
     <div class="custom-table-header folder-nav-bar">
-        <button class="folder" mat-button (click)="changeDirectory(null)">
+        <button class="folder" mat-button (click)="changeDirectory(null)" [disabled]="isMultiSelect">
             <mat-icon class="file-icon">home</mat-icon>
         </button>
         <span *ngFor="let directory of directoryChain; let last = last">
             <div class="arrow">
                 <mat-icon>chevron_right</mat-icon>
             </div>
-
+            <button
-            <button class="folder" mat-button (click)="changeDirectory(directory.id)" *ngIf="!last">
+                class="folder"
+                mat-button
+                (click)="changeDirectory(directory.id)"
+                [disabled]="isMultiSelect"
+                *ngIf="!last"
+            >
                 <span class="folder-text">
-                    {{ directory.title }}
+                    {{ directory.filename }}
                 </span>
             </button>
             <button
@@ -42,14 +47,15 @@
                 mat-button
                 [matMenuTriggerFor]="singleMediafileMenu"
                 [matMenuTriggerData]="{ mediafile: directory }"
+                [disabled]="isMultiSelect"
                 *ngIf="last && showFileMenu(directory)"
             >
                 <os-icon-container icon="arrow_drop_down" swap="true" size="large">
-                    {{ directory.title }}
+                    {{ directory.filename }}
                 </os-icon-container>
             </button>
             <span class="folder fake-folder folder-text" *ngIf="last && !showFileMenu(directory)">
-                {{ directory.title }}
+                {{ directory.filename }}
             </span>
         </span>
         <span class="visibility" *ngIf="canEdit && directory && directory.has_inherited_access_groups">
@@ -83,23 +89,29 @@
     showHeader="false"
     vScrollAuto
     [dataSource]="dataSource"
+    matCheckboxSelection="selection"
     [columns]="columnSet"
     [hideColumns]="hiddenColumns"
+    (rowClick)="onSelectRow($event)"
 >
     <!-- Icon column -->
     <div *pblNgridCellDef="'icon'; row as mediafile" class="fill clickable">
-        <a class="detail-link" target="_blank" [routerLink]="mediafile.url" *ngIf="mediafile.is_file"> </a>
+        <a class="detail-link" target="_blank" [routerLink]="mediafile.url" *ngIf="mediafile.is_file && !isMultiSelect">
-        <a class="detail-link" (click)="changeDirectory(mediafile.id)" *ngIf="mediafile.is_directory"> </a>
+        </a>
+        <a class="detail-link" (click)="changeDirectory(mediafile.id)" *ngIf="mediafile.is_directory && !isMultiSelect">
+        </a>
         <mat-icon class="file-icon">{{ mediafile.getIcon() }}</mat-icon>
     </div>
 
     <!-- Title column -->
     <div *pblNgridCellDef="'title'; row as mediafile" class="fill clickable">
-        <a class="detail-link" target="_blank" [routerLink]="mediafile.url" *ngIf="mediafile.is_file"> </a>
+        <a class="detail-link" target="_blank" [routerLink]="mediafile.url" *ngIf="mediafile.is_file && !isMultiSelect">
-        <a class="detail-link" (click)="changeDirectory(mediafile.id)" *ngIf="mediafile.is_directory"> </a>
+        </a>
+        <a class="detail-link" (click)="changeDirectory(mediafile.id)" *ngIf="mediafile.is_directory && !isMultiSelect">
+        </a>
         <div class="innerTable">
             <div class="file-title ellipsis-overflow">
-                {{ mediafile.title }}
+                {{ mediafile.filename }}
             </div>
             <div class="info-text" *ngIf="mediafile.is_file">
                 <span> {{ getDateFromTimestamp(mediafile.timestamp) }} · {{ mediafile.size }} </span>
@@ -135,6 +147,7 @@
             mat-icon-button
             [matMenuTriggerFor]="singleMediafileMenu"
             [matMenuTriggerData]="{ mediafile: mediafile }"
+            [disabled]="isMultiSelect"
             *ngIf="showFileMenu(mediafile)"
         >
             <mat-icon>more_vert</mat-icon>
@@ -191,7 +204,7 @@
                 <mat-icon>edit</mat-icon>
                 <span translate>Edit</span>
             </button>
-            <button mat-menu-item (click)="move(moveDialog, mediafile)">
+            <button mat-menu-item (click)="move(moveDialog, [mediafile])">
                 <mat-icon>near_me</mat-icon>
                 <span translate>Move</span>
             </button>
@@ -204,7 +217,7 @@
 </mat-menu>
 
 <!-- Menu for Mediafiles -->
-<!--<mat-menu #mediafilesMenu="matMenu">
+<mat-menu #mediafilesMenu="matMenu">
     <div *ngIf="!isMultiSelect">
         <button mat-menu-item *osPerms="'mediafiles.can_manage'" (click)="toggleMultiSelect()">
             <mat-icon>library_add</mat-icon>
@@ -212,6 +225,10 @@
         </button>
     </div>
     <div *ngIf="isMultiSelect">
+        <button mat-menu-item [disabled]="!selectedRows.length" (click)="move(moveDialog, selectedRows)">
+            <mat-icon>near_me</mat-icon>
+            <span translate>Move</span>
+        </button>
         <mat-divider></mat-divider>
         <button mat-menu-item (click)="selectAll()">
             <mat-icon>done_all</mat-icon>
@@ -228,11 +245,11 @@
             [disabled]="!selectedRows.length"
             (click)="deleteSelected()"
         >
-            <mat-icon>delete</mat-icon>
+            <mat-icon color="warn">delete</mat-icon>
             <span translate>Delete</span>
         </button>
     </div>
-</mat-menu>-->
+</mat-menu>
 
 <!-- File edit dialog -->
 <ng-template #fileEditDialog>
@@ -310,7 +327,7 @@
     <h1 mat-dialog-title>
         <span translate>Move into directory</span>
     </h1>
-    <div mat-dialog-content>
+    <div class="os-form-card-mobile" mat-dialog-content>
         <p translate>Please select the directory:</p>
         <os-search-value-selector
             ngDefaultControl
@@ -318,7 +335,7 @@
             [includeNone]="true"
             [noneTitle]="'Base folder'"
             listname="{{ 'Parent directory' | translate }}"
-            [InputListValues]="directoryBehaviorSubject"
+            [InputListValues]="filteredDirectoryBehaviorSubject"
         ></os-search-value-selector>
     </div>
     <div mat-dialog-actions>

client/src/app/site/mediafiles/components/mediafile-list/mediafile-list.component.ts

@@ -15,8 +15,9 @@ import { Title } from '@angular/platform-browser';
 import { ActivatedRoute, Router } from '@angular/router';
 
 import { TranslateService } from '@ngx-translate/core';
-import { columnFactory, createDS, PblDataSource } from '@pebula/ngrid';
+import { columnFactory, createDS, PblColumnDefinition } from '@pebula/ngrid';
-import { BehaviorSubject, Subscription } from 'rxjs';
+import { PblNgridDataMatrixRow } from '@pebula/ngrid/target-events';
+import { BehaviorSubject, Observable, Subscription } from 'rxjs';
 
 import { OperatorService } from 'app/core/core-services/operator.service';
 import { MediafileRepositoryService } from 'app/core/repositories/mediafiles/mediafile-repository.service';
@@ -26,7 +27,7 @@ import { PromptService } from 'app/core/ui-services/prompt.service';
 import { ViewportService } from 'app/core/ui-services/viewport.service';
 import { Mediafile } from 'app/shared/models/mediafiles/mediafile';
 import { infoDialogSettings } from 'app/shared/utils/dialog-settings';
-import { BaseViewComponent } from 'app/site/base/base-view';
+import { BaseListViewComponent } from 'app/site/base/base-list-view';
 import { ViewMediafile } from 'app/site/mediafiles/models/view-mediafile';
 import { ViewGroup } from 'app/site/users/models/view-group';
 import { MediafilesSortListService } from '../../services/mediafiles-sort-list.service';
@@ -41,12 +42,7 @@ import { MediafilesSortListService } from '../../services/mediafiles-sort-list.s
     changeDetection: ChangeDetectionStrategy.OnPush,
     encapsulation: ViewEncapsulation.None
 })
-export class MediafileListComponent extends BaseViewComponent implements OnInit, OnDestroy {
+export class MediafileListComponent extends BaseListViewComponent<ViewMediafile> implements OnInit, OnDestroy {
-    /**
-     * Data source for the files
-     */
-    public dataSource: PblDataSource<ViewMediafile>;
-
     /**
      * Holds the actions for logos. Updated via an observable
      */
@@ -65,15 +61,11 @@ export class MediafileListComponent extends BaseViewComponent implements OnInit,
     public newDirectoryForm: FormGroup;
     public moveForm: FormGroup;
     public directoryBehaviorSubject: BehaviorSubject<ViewMediafile[]>;
+    public filteredDirectoryBehaviorSubject: BehaviorSubject<ViewMediafile[]> = new BehaviorSubject<ViewMediafile[]>(
+        []
+    );
     public groupsBehaviorSubject: BehaviorSubject<ViewGroup[]>;
 
-    /**
-     * @returns true if the user can manage media files
-     */
-    public get canUploadFiles(): boolean {
-        return this.operator.hasPerms('mediafiles.can_see') && this.operator.hasPerms('mediafiles.can_upload');
-    }
-
     /**
      * @return true if the user can manage media files
      */
@@ -113,6 +105,10 @@ export class MediafileListComponent extends BaseViewComponent implements OnInit,
             hidden.push('info');
         }
 
+        if (!this.isMultiSelect) {
+            hidden.push('selection');
+        }
+
         if (!this.canAccessFileMenu) {
             hidden.push('menu');
         }
@@ -121,10 +117,13 @@ export class MediafileListComponent extends BaseViewComponent implements OnInit,
     }
 
     /**
-     * Create the column set
+     * Define the column definition
      */
-    public columnSet = columnFactory()
+    public tableColumnDefinition: PblColumnDefinition[] = [
-        .table(
+        {
+            prop: 'selection',
+            width: '40px'
+        },
         {
             prop: 'icon',
             label: '',
@@ -150,15 +149,22 @@ export class MediafileListComponent extends BaseViewComponent implements OnInit,
             label: '',
             width: '40px'
         }
-        )
+    ];
+
+    /**
+     * Create the column set
+     */
+    public columnSet = columnFactory()
+        .table(...this.tableColumnDefinition)
         .build();
 
-    public isMultiselect = false; // TODO
     private folderSubscription: Subscription;
     private directorySubscription: Subscription;
     public directory: ViewMediafile | null;
     public directoryChain: ViewMediafile[];
 
+    private directoryObservable: Observable<ViewMediafile[]> = new Observable();
+
     /**
      * Constructs the component
      *
@@ -194,6 +200,7 @@ export class MediafileListComponent extends BaseViewComponent implements OnInit,
         private cd: ChangeDetectorRef
     ) {
         super(titleService, translate, matSnackBar);
+        this.canMultiSelect = true;
 
         this.newDirectoryForm = this.formBuilder.group({
             title: ['', Validators.required],
@@ -226,6 +233,8 @@ export class MediafileListComponent extends BaseViewComponent implements OnInit,
         this.mediaManage.getFontActions().subscribe(action => {
             this.fontActions = action;
         });
+
+        this.createDataSource();
     }
 
     public ngOnDestroy(): void {
@@ -250,25 +259,38 @@ export class MediafileListComponent extends BaseViewComponent implements OnInit,
         return new Date(timestamp).toLocaleString(this.translate.currentLang);
     }
 
+    /**
+     * TODO: Swap logic to only create DS once and update on filder change
+     * @param mediafiles
+     */
+    private createDataSource(): void {
+        this.dataSource = createDS<ViewMediafile>()
+            .onTrigger(() => this.directoryObservable)
+            .create();
+
+        this.dataSource.selection.changed.subscribe(selection => {
+            this.selectedRows = selection.source.selected;
+        });
+    }
+
     public changeDirectory(directoryId: number | null): void {
         this.clearSubscriptions();
 
-        this.folderSubscription = this.repo.getListObservableDirectory(directoryId).subscribe(mediafiles => {
+        this.directoryObservable = this.repo.getListObservableDirectory(directoryId);
+        this.folderSubscription = this.directoryObservable.subscribe(mediafiles => {
             if (mediafiles) {
-                this.dataSource = createDS<ViewMediafile>()
+                this.dataSource.refresh();
-                    .onTrigger(() => mediafiles)
+                this.cd.markForCheck();
-                    .create();
-                this.cd.detectChanges();
             }
         });
 
         if (directoryId) {
-            this.directorySubscription = this.repo.getViewModelObservable(directoryId).subscribe(d => {
+            this.directorySubscription = this.repo.getViewModelObservable(directoryId).subscribe(newDirectory => {
-                this.directory = d;
+                this.directory = newDirectory;
-                if (d) {
+                if (newDirectory) {
-                    this.directoryChain = d.getDirectoryChain();
+                    this.directoryChain = newDirectory.getDirectoryChain();
                     // Update the URL.
-                    this.router.navigate(['/mediafiles/files/' + d.path], {
+                    this.router.navigate(['/mediafiles/files/' + newDirectory.path], {
                         replaceUrl: true
                     });
                 } else {
@@ -287,8 +309,6 @@ export class MediafileListComponent extends BaseViewComponent implements OnInit,
         }
     }
 
-    /**
-     */
     public onMainEvent(): void {
         const path = '/mediafiles/upload/' + (this.directory ? this.directory.path : '');
         this.router.navigate([path]);
@@ -300,10 +320,11 @@ export class MediafileListComponent extends BaseViewComponent implements OnInit,
      * @param file the selected file
      */
     public onEditFile(file: ViewMediafile): void {
+        if (!this.isMultiSelect) {
             this.fileToEdit = file;
 
             this.fileEditForm = this.fb.group({
-            title: [file.title, Validators.required],
+                title: [file.filename, Validators.required],
                 access_groups_id: [file.access_groups_id]
             });
 
@@ -315,6 +336,7 @@ export class MediafileListComponent extends BaseViewComponent implements OnInit,
                 }
             });
         }
+    }
 
     /**
      * Click on the save button in edit mode
@@ -338,6 +360,14 @@ export class MediafileListComponent extends BaseViewComponent implements OnInit,
         }
     }
 
+    public async deleteSelected(): Promise<void> {
+        const title = this.translate.instant('Are you sure you want to delete all selected files and folders?');
+        if (await this.promptService.open(title)) {
+            await this.repo.bulkDelete(this.selectedRows);
+            this.deselectAll();
+        }
+    }
+
     /**
      * Returns the display name of an action
      *
@@ -415,22 +445,50 @@ export class MediafileListComponent extends BaseViewComponent implements OnInit,
                     parent_id: this.directory ? this.directory.id : null,
                     is_directory: true
                 });
-                this.repo.create(mediafile).then(null, this.raiseError);
+                this.repo.create(mediafile).catch(this.raiseError);
             }
         });
     }
 
-    public move(templateRef: TemplateRef<string>, mediafile: ViewMediafile): void {
+    public move(templateRef: TemplateRef<string>, mediafiles: ViewMediafile[]): void {
-        this.newDirectoryForm.reset();
+        this.moveForm.reset();
+
+        if (mediafiles.some(file => file.is_directory)) {
+            this.filteredDirectoryBehaviorSubject.next(
+                this.directoryBehaviorSubject.value.filter(
+                    dir => !mediafiles.some(file => dir.path.startsWith(file.path))
+                )
+            );
+        } else {
+            this.filteredDirectoryBehaviorSubject.next(this.directoryBehaviorSubject.value);
+        }
         const dialogRef = this.dialog.open(templateRef, infoDialogSettings);
 
         dialogRef.afterClosed().subscribe(result => {
             if (result) {
-                this.repo.move([mediafile], this.moveForm.value.directory_id).then(null, this.raiseError);
+                this.repo.move(mediafiles, this.moveForm.value.directory_id).then(() => {
+                    this.dataSource.selection.clear();
+                    this.cd.markForCheck();
+                }, this.raiseError);
             }
         });
     }
 
+    /**
+     * TODO: This is basically a duplicate of onSelectRow of ListViewTableComponent
+     */
+    public onSelectRow(event: PblNgridDataMatrixRow<ViewMediafile>): void {
+        if (this.isMultiSelect) {
+            const clickedModel: ViewMediafile = event.row;
+            const alreadySelected = this.dataSource.selection.isSelected(clickedModel);
+            if (alreadySelected) {
+                this.dataSource.selection.deselect(clickedModel);
+            } else {
+                this.dataSource.selection.select(clickedModel);
+            }
+        }
+    }
+
     private clearSubscriptions(): void {
         if (this.folderSubscription) {
             this.folderSubscription.unsubscribe();

client/src/app/site/mediafiles/mediafiles-routing.module.ts

@@ -17,7 +17,7 @@ const routes: Routes = [
     },
     {
         path: 'upload',
-        data: { basePerm: 'mediafiles.can_upload' },
+        data: { basePerm: 'mediafiles.can_manage' },
         children: [{ path: '**', component: MediaUploadComponent }],
         pathMatch: 'prefix'
     }

client/src/app/site/mediafiles/models/view-mediafile.ts

@@ -50,6 +50,14 @@ export class ViewMediafile extends BaseViewModelWithListOfSpeakers<Mediafile>
     }
 
     public get title(): string {
+        if (this.is_directory) {
+            return this.mediafile.path;
+        } else {
+            return this.mediafile.title;
+        }
+    }
+
+    public get filename(): string {
         return this.mediafile.title;
     }
 

openslides/mediafiles/views.py

@@ -32,7 +32,14 @@ class MediafileViewSet(ModelViewSet):
         """
         if self.action in ("list", "retrieve", "metadata"):
             result = self.get_access_permissions().check_permissions(self.request.user)
-        elif self.action in ("create", "partial_update", "update", "move", "destroy"):
+        elif self.action in (
+            "create",
+            "partial_update",
+            "update",
+            "move",
+            "destroy",
+            "bulk_delete",
+        ):
             result = has_perm(self.request.user, "mediafiles.can_see") and has_perm(
                 self.request.user, "mediafiles.can_manage"
             )
@@ -150,6 +157,49 @@ class MediafileViewSet(ModelViewSet):
 
         return Response()
 
+    @list_route(methods=["post"])
+    def bulk_delete(self, request):
+        """
+        Deletes mediafiles *from one directory*. Expected data:
+        { ids: [<id>, <id>, ...] }
+        It is checked, that every id belongs to the same directory.
+        """
+        # Validate data:
+        if not isinstance(request.data, dict):
+            raise ValidationError({"detail": "The data must be a dict"})
+        ids = request.data.get("ids")
+        if not isinstance(ids, list):
+            raise ValidationError({"detail": "The ids must be a list"})
+        for id in ids:
+            if not isinstance(id, int):
+                raise ValidationError({"detail": "All ids must be an int"})
+
+        # Get mediafiles
+        mediafiles = []
+        for id in ids:
+            try:
+                mediafiles.append(Mediafile.objects.get(pk=id))
+            except Mediafile.DoesNotExist:
+                raise ValidationError(
+                    {"detail": f"The mediafile with id {id} does not exist"}
+                )
+        if not mediafiles:
+            return Response()
+
+        # Validate, that they are in the same directory:
+        directory_id = mediafiles[0].parent_id
+        for mediafile in mediafiles:
+            if mediafile.parent_id != directory_id:
+                raise ValidationError(
+                    {"detail": "All mediafiles must be in the same directory."}
+                )
+
+        with watch_and_update_configs():
+            for mediafile in mediafiles:
+                mediafile.delete()
+
+        return Response()
+
 
 def get_mediafile(request, path):
     """