Renamed groups to roles in the frontend

Working:
 Account
 Cost Centre
 Employee
 Product Group
 Product
 Role
 User
 Client

overlord/src/app/role/role-list/role-list-datasource.ts

@@ -0,0 +1,59 @@
+import {DataSource} from '@angular/cdk/collections';
+import { MatPaginator } from '@angular/material/paginator';
+import { MatSort } from '@angular/material/sort';
+import {map} from 'rxjs/operators';
+import {merge, Observable, of as observableOf} from 'rxjs';
+import {Role} from '../role';
+
+export class RoleListDatasource extends DataSource<Role> {
+
+  constructor(private paginator: MatPaginator, private sort: MatSort, public data: Role[]) {
+    super();
+  }
+
+  connect(): Observable<Role[]> {
+    const dataMutations = [
+      observableOf(this.data),
+      this.paginator.page,
+      this.sort.sortChange
+    ];
+
+    // Set the paginators length
+    this.paginator.length = this.data.length;
+
+    return merge(...dataMutations).pipe(map(() => {
+      return this.getPagedData(this.getSortedData([...this.data]));
+    }));
+  }
+
+  disconnect() {
+  }
+
+  private getPagedData(data: Role[]) {
+    const startIndex = this.paginator.pageIndex * this.paginator.pageSize;
+    return data.splice(startIndex, this.paginator.pageSize);
+  }
+
+  private getSortedData(data: Role[]) {
+    if (!this.sort.active || this.sort.direction === '') {
+      return data;
+    }
+
+    return data.sort((a, b) => {
+      const isAsc = this.sort.direction === 'asc';
+      switch (this.sort.active) {
+        case 'name':
+          return compare(a.name, b.name, isAsc);
+        case 'id':
+          return compare(+a.id, +b.id, isAsc);
+        default:
+          return 0;
+      }
+    });
+  }
+}
+
+/** Simple sort comparator for example ID/Name columns (for user-side sorting). */
+function compare(a, b, isAsc) {
+  return (a < b ? -1 : 1) * (isAsc ? 1 : -1);
+}

overlord/src/app/role/role-list/role-list.component.html

@@ -0,0 +1,39 @@
+<mat-card>
+  <mat-card-title-group>
+    <mat-card-title>Roles</mat-card-title>
+    <a mat-button [routerLink]="['/roles', 'new']">
+      <mat-icon>add_box</mat-icon>
+      Add
+    </a>
+  </mat-card-title-group>
+  <mat-card-content>
+    <mat-table #table [dataSource]="dataSource" matSort aria-label="Elements">
+
+      <!-- Name Column -->
+      <ng-container matColumnDef="name">
+        <mat-header-cell *matHeaderCellDef mat-sort-header>Name</mat-header-cell>
+        <mat-cell *matCellDef="let row"><a [routerLink]="['/roles', row.id]">{{row.name}}</a></mat-cell>
+      </ng-container>
+
+      <!-- Permissions Column -->
+      <ng-container matColumnDef="permissions">
+        <mat-header-cell *matHeaderCellDef mat-sort-header>Permissions</mat-header-cell>
+        <mat-cell *matCellDef="let row">
+          <ul>
+            <li *ngFor="let permission of row.permissions">{{permission}}</li>
+          </ul>
+        </mat-cell>
+      </ng-container>
+
+      <mat-header-row *matHeaderRowDef="displayedColumns"></mat-header-row>
+      <mat-row *matRowDef="let row; columns: displayedColumns;"></mat-row>
+    </mat-table>
+
+    <mat-paginator #paginator
+                   [length]="dataSource.data.length"
+                   [pageIndex]="0"
+                   [pageSize]="50"
+                   [pageSizeOptions]="[25, 50, 100, 250]">
+    </mat-paginator>
+  </mat-card-content>
+</mat-card>

overlord/src/app/role/role-list/role-list.component.spec.ts

@@ -0,0 +1,23 @@
+import {ComponentFixture, fakeAsync, TestBed} from '@angular/core/testing';
+
+import {RoleListComponent} from './role-list.component';
+
+describe('RoleListComponent', () => {
+  let component: RoleListComponent;
+  let fixture: ComponentFixture<RoleListComponent>;
+
+  beforeEach(fakeAsync(() => {
+    TestBed.configureTestingModule({
+      declarations: [RoleListComponent]
+    })
+      .compileComponents();
+
+    fixture = TestBed.createComponent(RoleListComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  }));
+
+  it('should compile', () => {
+    expect(component).toBeTruthy();
+  });
+});

overlord/src/app/role/role-list/role-list.component.ts

@@ -0,0 +1,31 @@
+import {Component, OnInit, ViewChild} from '@angular/core';
+import { MatPaginator } from '@angular/material/paginator';
+import { MatSort } from '@angular/material/sort';
+import {RoleListDatasource} from './role-list-datasource';
+import {Role} from '../role';
+import {ActivatedRoute} from '@angular/router';
+
+@Component({
+  selector: 'app-role-list',
+  templateUrl: './role-list.component.html',
+  styleUrls: ['./role-list.component.css']
+})
+export class RoleListComponent implements OnInit {
+  @ViewChild(MatPaginator, { static: true }) paginator: MatPaginator;
+  @ViewChild(MatSort, { static: true }) sort: MatSort;
+  dataSource: RoleListDatasource;
+  list: Role[];
+  /** Columns displayed in the table. Columns IDs can be added, removed, or reordered. */
+  displayedColumns = ['name', 'permissions'];
+
+  constructor(private route: ActivatedRoute) {
+  }
+
+  ngOnInit() {
+    this.route.data
+      .subscribe((data: { list: Role[] }) => {
+        this.list = data.list;
+      });
+    this.dataSource = new RoleListDatasource(this.paginator, this.sort, this.list);
+  }
+}