Dialog Create Room

frontend/src/app/create-room-dialog/create-room-dialog.component.html

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+<h1 mat-dialog-title>New room</h1>
+<mat-divider></mat-divider>
+<br>
+<div mat-dialog-content>
+  <p>Saisissez un nouveau nom de room</p>
+  <input matInput [(ngModel)]="newRoomName" class="w-100">
+</div>
+<br>
+<div class="alert alert-danger w-100" *ngIf="errorMessage!==''"><span class="font-weight-bold">Erreur : </span>{{errorMessage}}</div>
+<div mat-dialog-actions class="float-right">
+  <button mat-raised-button color="accent" class="mb-2"  (click)="onNoClick()">Fermer</button>
+  <button mat-raised-button color="primary" class="mb-2" (click)="onCreateRoom()" cdkFocusInitial>Créer la room</button>
+</div>

frontend/src/app/create-room-dialog/create-room-dialog.component.spec.ts

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+import { ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { CreateRoomDialogComponent } from './create-room-dialog.component';
+
+describe('CreateRoomDialogComponent', () => {
+  let component: CreateRoomDialogComponent;
+  let fixture: ComponentFixture<CreateRoomDialogComponent>;
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      declarations: [ CreateRoomDialogComponent ]
+    })
+    .compileComponents();
+  });
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(CreateRoomDialogComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

frontend/src/app/create-room-dialog/create-room-dialog.component.ts

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+import {Component, Inject, OnInit} from '@angular/core';
+import {MessageService} from "../services/message/message.service";
+import {MAT_DIALOG_DATA, MatDialogRef} from "@angular/material/dialog";
+import {environment} from "../../environments/environment";
+
+export interface CreateRoomDialogData {
+  owner: string;
+}
+
+@Component({
+  selector: 'app-create-room-dialog',
+  templateUrl: './create-room-dialog.component.html',
+  styleUrls: ['./create-room-dialog.component.scss']
+})
+export class CreateRoomDialogComponent{
+
+  newRoomName = '';
+  errorMessage = '';
+
+  constructor(
+    public dialogRef: MatDialogRef<CreateRoomDialogComponent>,
+    @Inject(MAT_DIALOG_DATA) public data: CreateRoomDialogData,
+    @Inject(MessageService) private messageService: MessageService) { }
+
+  onNoClick(): void {
+    this.dialogRef.close();
+  }
+
+  onCreateRoom(){
+    this.messageService.sendMessage(environment.urlCPR, "conversations/newRoom", {owner: this.data.owner, roomName: this.newRoomName}).subscribe(data => {
+      if (data.status !== 'ok') {
+        console.log(data.data.reason);
+        this.errorMessage = data.data.reason;
+      }
+      else{
+        this.dialogRef.close({
+          data: data.data
+        });
+      }
+    });
+  }
+}