feat: groups add and unassign role (#1027)

Fixes #1026

src/app/groups/groups-view/add-role/add-role.component.html

@@ -0,0 +1,48 @@
+<div class="container">
+
+  <mat-card>
+
+    <form [formGroup]="groupsAddRoleForm" (ngSubmit)="submit()">
+
+      <mat-card-content>
+
+        <div fxLayout="column">
+
+          <mat-form-field>
+            <mat-label>Client</mat-label>
+            <mat-select formControlName="clientId">
+              <mat-option *ngFor="let client of clientMemberData" [value]="client.id">
+                {{ client.displayName }}
+              </mat-option>
+            </mat-select>
+            <mat-error *ngIf="groupsAddRoleForm.controls.clientId.hasError('required')">
+              Client Member is <strong>required</strong>
+            </mat-error>
+          </mat-form-field>
+
+          <mat-form-field>
+            <mat-label>Role</mat-label>
+            <mat-select formControlName="role">
+              <mat-option *ngFor="let role of roleData" [value]="role.id">
+                {{ role.name }}
+              </mat-option>
+            </mat-select>
+            <mat-error *ngIf="groupsAddRoleForm.controls.role.hasError('required')">
+              Role is <strong>required</strong>
+            </mat-error>
+          </mat-form-field>
+
+        </div>
+
+      </mat-card-content>
+
+      <mat-card-actions fxLayout="row" fxLayout.xs="column" fxLayoutAlign="center" fxLayoutGap="5px">
+        <button type="button" mat-raised-button [routerLink]="['../']">Cancel</button>
+        <button mat-raised-button color="primary" [disabled]="!groupsAddRoleForm.valid">Confirm</button>
+      </mat-card-actions>
+
+    </form>
+
+  </mat-card>
+
+</div>