Fields are only available if they are available

- The user can change information about motions
- The user can send an invitation email

client/src/app/site/motions/modules/motion-list/components/motion-list/motion-list.component.html

@@ -339,7 +339,7 @@
     </h1>
     <div class="os-form-card-mobile" mat-dialog-content>
         <!-- Category -->
-        <mat-form-field>
+        <mat-form-field *ngIf="isCategoryAvailable()">
             <mat-select placeholder="{{ 'Category' | translate }}" [(ngModel)]="infoDialog.category">
                 <mat-option [value]="null">-</mat-option>
                 <mat-option *ngFor="let category of categories" [value]="category.id">
@@ -348,7 +348,7 @@
             </mat-select>
         </mat-form-field>
         <!-- Motion block -->
-        <mat-form-field>
+        <mat-form-field *ngIf="isMotionBlockAvailable()">
             <mat-select placeholder="{{ 'Motion block' | translate }}" [(ngModel)]="infoDialog.motionBlock">
                 <mat-option [value]="null">-</mat-option>
                 <mat-option *ngFor="let block of motionBlocks" [value]="block.id">
@@ -357,7 +357,7 @@
             </mat-select>
         </mat-form-field>
         <!-- Tag -->
-        <mat-form-field>
+        <mat-form-field *ngIf="isTagAvailable()">
             <mat-select multiple placeholder="{{ 'Tags' | translate }}" [(ngModel)]="infoDialog.tags">
                 <mat-option *ngFor="let tag of tags" [value]="tag.id">
                     {{ tag.getTitle() | translate }}

client/src/app/site/motions/modules/motion-list/components/motion-list/motion-list.component.ts

@@ -169,9 +169,18 @@ export class MotionListComponent extends ListViewBaseComponent<ViewMotion, Motio
         this.configService.get<string>('motions_recommendations_by').subscribe(recommender => {
             this.recommendationEnabled = !!recommender;
         });
-        this.motionBlockRepo.getViewModelListObservable().subscribe(mBs => (this.motionBlocks = mBs));
+        this.motionBlockRepo.getViewModelListObservable().subscribe(mBs => {
-        this.categoryRepo.getViewModelListObservable().subscribe(cats => (this.categories = cats));
+            this.motionBlocks = mBs;
-        this.tagRepo.getViewModelListObservable().subscribe(tags => (this.tags = tags));
+            this.updateStateColumnVisibility();
+        });
+        this.categoryRepo.getViewModelListObservable().subscribe(cats => {
+            this.categories = cats;
+            this.updateStateColumnVisibility();
+        });
+        this.tagRepo.getViewModelListObservable().subscribe(tags => {
+            this.tags = tags;
+            this.updateStateColumnVisibility();
+        });
         this.workflowRepo.getViewModelListObservable().subscribe(wfs => (this.workflows = wfs));
         this.setFulltextFilter();
     }
@@ -436,4 +445,43 @@ export class MotionListComponent extends ListViewBaseComponent<ViewMotion, Motio
             }
         });
     }
+
+    /**
+     * Checks if there are at least categories, motion-blocks or tags the user can select.
+     */
+    public updateStateColumnVisibility(): void {
+        const metaInfoAvailable = this.isCategoryAvailable() || this.isMotionBlockAvailable() || this.isTagAvailable();
+        if (!metaInfoAvailable && this.displayedColumnsDesktop.includes('state')) {
+            this.displayedColumnsDesktop.splice(this.displayedColumnsDesktop.indexOf('state'), 1);
+        } else if (metaInfoAvailable && !this.displayedColumnsDesktop.includes('state')) {
+            this.displayedColumnsDesktop = this.displayedColumnsDesktop.concat('state');
+        }
+    }
+
+    /**
+     * Checks motion-blocks are available.
+     *
+     * @returns A boolean if they are available.
+     */
+    public isMotionBlockAvailable(): boolean {
+        return !!this.motionBlocks && this.motionBlocks.length > 0;
+    }
+
+    /**
+     * Checks if tags are available.
+     *
+     * @returns A boolean if they are available.
+     */
+    public isTagAvailable(): boolean {
+        return !!this.tags && this.tags.length > 0;
+    }
+
+    /**
+     * Checks if categories are available.
+     *
+     * @returns A boolean if they are available.
+     */
+    public isCategoryAvailable(): boolean {
+        return !!this.categories && this.categories.length > 0;
+    }
 }

client/src/app/site/users/components/user-detail/user-detail.component.html

@@ -32,7 +32,7 @@
             <span translate>Change password</span>
         </button>
         <!-- invitation email -->
-        <button mat-menu-item *ngIf="isAllowed('manage')" (click)="sendInvitationEmail()">
+        <button mat-menu-item *ngIf="isAllowed('manage') && user.email" (click)="sendInvitationEmail()">
             <mat-icon>mail</mat-icon>
             <span translate>Send invitation email</span>
         </button>