first commit

frontend/src/app/private/private.component.html

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+<div class="container-fluid" *ngIf="showScreen">
+  <div class="row">
+
+    <div class="col-md-4">
+
+      <div class="user-list-card">
+        <div class="user-card"
+             [ngClass]="{'active' : user?.phone === selectedUser?.phone}"
+             *ngFor="let user of userList"
+             (click)="selectUserHandler(user.phone)"
+        >
+          <!---->
+
+          <img src="./assets/image/user.png" height="25" width="25"/>
+          <p class="username">{{user?.name}}</p>
+
+        </div>
+      </div>
+
+    </div>
+    <div class="col-md-8">
+
+      <div class="chat-container">
+        <ng-container *ngIf="selectedUser">
+          <div class="chat-header">
+            <p class="username">{{selectedUser?.name}}</p>
+          </div>
+
+          <div class="chat-body">
+            <div *ngFor="let item of messageArray"
+                 [ngClass]="{'same-user' : item?.user === currentUser?.name}"
+            >
+              <!---->
+
+              <p class="message-container">{{item?.message}}</p>
+            </div>
+          </div>
+
+          <div class="chat-footer">
+            <div class="row">
+              <div class="col-md-10">
+                <div class="form-group mb-0">
+                  <input type="text" placeholder="Type a message" class="form-control"
+                         [(ngModel)]="messageText" (keyup)="$event.keyCode === 13 && sendMessage()"/>
+                </div>
+              </div>
+              <div class="col-md-2 text-center align-self-center">
+                <button class="btn btn-primary btn-bm px-3 " (click)="sendMessage()">Send</button>
+              </div>
+            </div>
+
+          </div>
+        </ng-container>
+      </div>
+    </div>
+  </div>
+</div>

frontend/src/app/private/private.component.spec.ts

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

frontend/src/app/private/private.component.ts

@@ -0,0 +1,143 @@
+import {NgModule, Component, OnInit} from '@angular/core';
+import {ChatService} from "../services/chat/chat.service";
+import {FormsModule, ReactiveFormsModule} from "@angular/forms";
+
+
+@Component({
+  selector: 'app-private',
+  templateUrl: './private.component.html',
+  styleUrls: ['./private.component.scss']
+})
+export class PrivateComponent implements OnInit {
+  public userList = [
+    {
+      id: 1,
+      name: 'Yuki Vachot',
+      phone: '0608020103',
+      roomId: {
+        2: 'room-1',
+        3: 'room-2',
+        4: 'room-3'
+      }
+    },
+    {
+      id: 2,
+      name: 'Wilfried Vallee',
+      phone: '0604080701',
+      roomId: {
+        1: 'room-1',
+        3: 'room-4',
+        4: 'room-5'
+      }
+    },
+    {
+      id: 3,
+      name: 'Khai Phan',
+      phone: '0603050960',
+      roomId: {
+        1: 'room-2',
+        2: 'room-4',
+        4: 'room-6'
+      }
+    }
+  ];
+
+  // @ts-ignore
+  public roomId: string;
+  // @ts-ignore
+  public messageText: string;
+  public messageArray: {user: string, message: string}[] = [];
+  private storageArray = [];
+
+  // @ts-ignore
+  public showScreen: boolean;
+
+  // @ts-ignore
+  public phone: string;
+  // @ts-ignore
+  public currentUser;
+  // @ts-ignore
+  public selectedUser;
+
+
+
+  constructor(
+    private chatService: ChatService,
+
+  ) {
+
+
+  }
+
+  ngOnInit(): void {
+    this.chatService.getMessage()
+      .subscribe((data: {user: string, message: string}) => {
+        this.messageArray.push(data);
+        if (this.roomId) {
+          setTimeout( () => {
+            this.storageArray = this.chatService.getStorage();
+            //@ts-ignore
+            const storeIndex = this.storageArray.findIndex((storage) => storage.roomId === this.roomId);
+            //@ts-ignore
+            this.messageArray = this.storageArray[storeIndex].chats;
+          }, 500);
+        }
+      });
+
+  }
+
+  selectUserHandler(phone: string): void {
+    this.selectedUser = this.userList.find(user => user.phone === phone);
+    this.roomId = this.selectedUser.roomId[this.currentUser.id];
+    this.messageArray = [];
+
+    this.storageArray = this.chatService.getStorage();
+    // @ts-ignore
+    const storeIndex = this.storageArray.findIndex((storage) => storage.roomId === this.roomId);
+
+    if (storeIndex > -1) {
+      // @ts-ignore
+      this.messageArray = this.storageArray[storeIndex].chats;
+    }
+
+    this.join(this.currentUser.name, this.roomId);
+  }
+
+  join(username: string, roomId: string): void {
+    this.chatService.joinRoom({user: username, room: roomId});
+  }
+
+  sendMessage(): void {
+    this.chatService.sendMessage({
+      user: this.currentUser.name,
+      room: this.roomId,
+      message: this.messageText
+    });
+
+    this.storageArray = this.chatService.getStorage();
+    // @ts-ignore
+    const storeIndex = this.storageArray.findIndex((storage) => storage.roomId === this.roomId);
+
+    if (storeIndex > -1) {
+      // @ts-ignore
+      this.storageArray[storeIndex].chats.push({
+        user: this.currentUser.name,
+        message: this.messageText
+      })
+    } else {
+      const updateStorage = {
+        roomId: this.roomId,
+        chats: [{
+          user: this.currentUser.name,
+          message: this.messageText
+        }]
+      };
+      // @ts-ignore
+      this.storageArray.push(updateStorage);
+    }
+    this.chatService.setStorage(this.storageArray);
+    this.messageText = '';
+  }
+
+}
+