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feat(chat-demo): updated angular demo functionality
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Arpad Ivany
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Nov 20, 2024
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10 changes: 7 additions & 3 deletions
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apps/demos/Demos/Chat/Overview/Angular/app/app.component.html
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,4 +1,8 @@ | ||
| <div class="demo-container"> | ||
| <dx-chat [user]="currentUser" [items]="messages" width="760" height="810"></dx-chat> | ||
| <dx-chat [user]="supportAgent" [items]="messages" width="760" height="810"></dx-chat> | ||
| </div> | ||
| <dx-chat [user]="currentUser" [items]="messages$ | async" [typingUsers]="userChatTypingUsers$ | async" | ||
| (onMessageEntered)="onMessageEntered($event)" (onTypingStart)="userChatOnTypingStart()" | ||
| (onTypingEnd)="userChatOnTypingEnd()" width="760" height="810"></dx-chat> | ||
| <dx-chat [user]="supportAgent" [items]="messages$ | async" [typingUsers]="supportChatTypingUsers$ | async" | ||
| (onMessageEntered)="onMessageEntered($event)" (onTypingStart)="supportChatOnTypingStart()" | ||
| (onTypingEnd)="supportChatOnTypingEnd()" width="760" height="810"></dx-chat> | ||
| </div> |
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112 changes: 112 additions & 0 deletions
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apps/demos/Demos/Chat/Overview/Angular/app/app.service.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,112 @@ | ||
| import { Injectable } from '@angular/core'; | ||
| import { Observable, BehaviorSubject } from 'rxjs'; | ||
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| import { User, Message, MessageEnteredEvent } from 'devextreme/ui/chat'; | ||
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| @Injectable({ | ||
| providedIn: 'root', | ||
| }) | ||
| export class AppService { | ||
| date: Date; | ||
|
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| currentUser: User = { | ||
| id: 'c94c0e76-fb49-4b9b-8f07-9f93ed93b4f3', | ||
| name: 'John Doe', | ||
| }; | ||
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| supportAgent: User = { | ||
| id: 'd16d1a4c-5c67-4e20-b70e-2991c22747c3', | ||
| name: 'Support Agent', | ||
| avatarUrl: '../../../../images/petersmith.png', | ||
| }; | ||
|
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| messages: Message[] = []; | ||
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| userChatTypingUsersSubject: BehaviorSubject<User[]> = new BehaviorSubject([]); | ||
| supportChatTypingUsersSubject: BehaviorSubject<User[]> = new BehaviorSubject([]); | ||
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| messagesSubject: BehaviorSubject<Message[]> = new BehaviorSubject([]); | ||
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| constructor() { | ||
| this.date = new Date(); | ||
| this.date.setHours(0, 0, 0, 0); | ||
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| this.messages = [ | ||
| { | ||
| timestamp: this.getTimestamp(this.date, -9), | ||
| author: this.supportAgent, | ||
| text: 'Hello, John!\nHow can I assist you today?' | ||
| }, | ||
| { | ||
| timestamp: this.getTimestamp(this.date, -7), | ||
| author: this.currentUser, | ||
| text: 'Hi, I\'m having trouble accessing my account.' | ||
| }, | ||
| { | ||
| timestamp: this.getTimestamp(this.date, -7), | ||
| author: this.currentUser, | ||
| text: 'It says my password is incorrect.' | ||
| }, | ||
| { | ||
| timestamp: this.getTimestamp(this.date, -7), | ||
| author: this.supportAgent, | ||
| text: 'I can help with that. Can you please confirm your UserID for security purposes?' | ||
| }, | ||
| { | ||
| timestamp: this.getTimestamp(this.date, 1), | ||
| author: this.currentUser, | ||
| text: 'john.doe1357' | ||
| }, | ||
| { | ||
| timestamp: this.getTimestamp(this.date, 1), | ||
| author: this.supportAgent, | ||
| text: '✅ Instructions to restore access have been sent to the email address registered to your account.' | ||
| }, | ||
| ]; | ||
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| this.messagesSubject.next(this.messages); | ||
| this.userChatTypingUsersSubject.next([]); | ||
| this.supportChatTypingUsersSubject.next([]); | ||
| } | ||
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| get userChatTypingUsers$(): Observable<User[]> { | ||
| return this.userChatTypingUsersSubject.asObservable(); | ||
| } | ||
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| get supportChatTypingUsers$(): Observable<Message[]> { | ||
| return this.supportChatTypingUsersSubject.asObservable(); | ||
| } | ||
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| get messages$(): Observable<Message[]> { | ||
| return this.messagesSubject.asObservable(); | ||
| } | ||
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| getUsers(): User[] { | ||
| return [this.currentUser, this.supportAgent]; | ||
| } | ||
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| getTimestamp(date: Date, offsetMinutes: number = 0): number { | ||
| return date.getTime() + offsetMinutes * 60000; | ||
| } | ||
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| onMessageEntered(event: MessageEnteredEvent) { | ||
| this.messages = [...this.messages, event.message]; | ||
| this.messagesSubject.next(this.messages); | ||
| } | ||
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| userChatOnTypingStart() { | ||
| this.supportChatTypingUsersSubject.next([this.supportAgent]); | ||
| } | ||
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| userChatOnTypingEnd() { | ||
| this.supportChatTypingUsersSubject.next([]); | ||
| } | ||
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| supportChatOnTypingStart() { | ||
| this.userChatTypingUsersSubject.next([this.currentUser]); | ||
| } | ||
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| supportChatOnTypingEnd() { | ||
| this.userChatTypingUsersSubject.next([]); | ||
| } | ||
| } |