32 lines
906 B
TypeScript
32 lines
906 B
TypeScript
import { Injectable, InjectionToken } from '@angular/core';
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import { BehaviorSubject, Observable } from 'rxjs';
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export interface ValidationMessage {
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field: string;
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message: string;
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}
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export const VALIDATION_MESSAGES = new InjectionToken<ValidationMessagesService>('VALIDATION_MESSAGES');
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@Injectable({
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providedIn: 'root',
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})
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export class ValidationMessagesService {
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private messagesSubject = new BehaviorSubject<ValidationMessage[]>([]);
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messages$: Observable<ValidationMessage[]> = this.messagesSubject.asObservable();
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updateMessages(messages: ValidationMessage[]): void {
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this.messagesSubject.next(messages);
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}
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clearMessages(): void {
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this.messagesSubject.next([]);
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}
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getMessage(field: string): string | null {
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const messages = this.messagesSubject.value;
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const message = messages.find(m => m.field === field);
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return message ? message.message : null;
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}
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}
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