feat(challenge7): reorganisation

libs/ngrx-notification/model/src/index.ts

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+export * from './lib/push.model';
+export * from './lib/student.model';
+export * from './lib/teacher.model';

libs/ngrx-notification/model/src/lib/push.model.ts

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+export type PushType = 'teacher' | 'student';
+
+export interface Push {
+  type: PushType;
+}

libs/ngrx-notification/model/src/lib/student.model.ts

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+import {
+  incrementalNumber,
+  randFirstName,
+  randLastName,
+  randWord,
+} from '@ngneat/falso';
+import { Push } from './push.model';
+
+export interface Student extends Push {
+  id: number;
+  firstname: string;
+  lastname: string;
+  school: string;
+}
+
+const factoryStudent = incrementalNumber();
+
+export const randStudent = (): Student => ({
+  id: factoryStudent(),
+  firstname: randFirstName(),
+  lastname: randLastName(),
+  school: randWord(),
+  type: 'student',
+});
+
+export const isStudent = (notif: Push): notif is Student => {
+  return notif.type === 'student';
+};

libs/ngrx-notification/model/src/lib/teacher.model.ts

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+import {
+  incrementalNumber,
+  rand,
+  randFirstName,
+  randLastName,
+} from '@ngneat/falso';
+import { Push } from './push.model';
+
+export const subject = [
+  'Sciences',
+  'History',
+  'English',
+  'Maths',
+  'Sport',
+] as const;
+export type Subject = typeof subject[number];
+
+export interface Teacher extends Push {
+  id: number;
+  firstname: string;
+  lastname: string;
+  subject: Subject;
+}
+
+const factoryTeacher = incrementalNumber();
+
+export const randTeacher = (): Teacher => ({
+  id: factoryTeacher(),
+  firstname: randFirstName(),
+  lastname: randLastName(),
+  subject: rand(subject),
+  type: 'teacher',
+});
+
+export const isTeacher = (notif: Push): notif is Teacher => {
+  return notif.type === 'teacher';
+};

libs/ngrx-notification/model/src/test-setup.ts

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+import 'jest-preset-angular/setup-jest';