refactor(challenge-1): augment challenge

Create city store
Camelcase some student and teacher interface's field to remove lint warnings
Move CardComponent's template to typescript file within decorator

apps/angular/projection/src/app/data-access/city.store.ts

@@ -0,0 +1,23 @@
+import { Injectable } from '@angular/core';
+import { BehaviorSubject } from 'rxjs';
+import { City } from '../model/city.model';
+
+@Injectable({
+  providedIn: 'root',
+})
+export class CityStore {
+  private cities = new BehaviorSubject<City[]>([]);
+  cities$ = this.cities.asObservable();
+
+  addAll(cities: City[]) {
+    this.cities.next(cities);
+  }
+
+  addOne(student: City) {
+    this.cities.next([...this.cities.value, student]);
+  }
+
+  deleteOne(id: number) {
+    this.cities.next(this.cities.value.filter((s) => s.id !== id));
+  }
+}

apps/angular/projection/src/app/data-access/fake-http.service.ts

@@ -12,14 +12,14 @@ import {
 import { map, timer } from 'rxjs';
 import { City } from '../model/city.model';
 import { Student } from '../model/student.model';
-import { subject, Teacher } from '../model/teacher.model';
+import { Teacher, subject } from '../model/teacher.model';
 
 const factoryTeacher = incrementalNumber();
 
 export const randTeacher = () => ({
   id: factoryTeacher(),
-  firstname: randFirstName(),
-  lastname: randLastName(),
+  firstName: randFirstName(),
+  lastName: randLastName(),
   subject: rand(subject),
 });
 
@@ -34,8 +34,8 @@ const factoryStudent = incrementalNumber();
 
 export const randStudent = (): Student => ({
   id: factoryStudent(),
-  firstname: randFirstName(),
-  lastname: randLastName(),
+  firstName: randFirstName(),
+  lastName: randLastName(),
   mainTeacher: teachers[randNumber({ max: teachers.length - 1 })],
   school: randWord(),
 });

apps/angular/projection/src/app/model/student.model.ts

@@ -2,8 +2,8 @@ import { Teacher } from './teacher.model';
 
 export interface Student {
   id: number;
-  firstname: string;
-  lastname: string;
+  firstName: string;
+  lastName: string;
   mainTeacher: Teacher;
   school: string;
 }

apps/angular/projection/src/app/model/teacher.model.ts

@@ -9,7 +9,7 @@ export type Subject = (typeof subject)[number];
 
 export interface Teacher {
   id: number;
-  firstname: string;
-  lastname: string;
+  firstName: string;
+  lastName: string;
   subject: Subject;
 }

apps/angular/projection/src/app/ui/card/card.component.html

@@ -1,27 +0,0 @@
-<div
-  class="border-2 border-black rounded-md p-4 w-fit flex flex-col gap-3"
-  [class]="customClass">
-  <img
-    *ngIf="type === CardType.TEACHER"
-    src="assets/img/teacher.png"
-    width="200px" />
-  <img
-    *ngIf="type === CardType.STUDENT"
-    src="assets/img/student.webp"
-    width="200px" />
-
-  <section>
-    <app-list-item
-      *ngFor="let item of list"
-      [name]="item.firstname"
-      [id]="item.id"
-      [type]="type">
-    </app-list-item>
-  </section>
-
-  <button
-    class="border border-blue-500 bg-blue-300 p-2 rounded-sm"
-    (click)="addNewItem()">
-    Add
-  </button>
-</div>

apps/angular/projection/src/app/ui/card/card.component.ts

@@ -8,7 +8,34 @@ import { ListItemComponent } from '../list-item/list-item.component';
 
 @Component({
   selector: 'app-card',
-  templateUrl: './card.component.html',
+  template: `
+    <div
+      class="flex w-fit flex-col gap-3 rounded-md border-2 border-black p-4"
+      [class]="customClass">
+      <img
+        *ngIf="type === CardType.TEACHER"
+        src="assets/img/teacher.png"
+        width="200px" />
+      <img
+        *ngIf="type === CardType.STUDENT"
+        src="assets/img/student.webp"
+        width="200px" />
+
+      <section>
+        <app-list-item
+          *ngFor="let item of list"
+          [name]="item.firstName"
+          [id]="item.id"
+          [type]="type"></app-list-item>
+      </section>
+
+      <button
+        class="rounded-sm border border-blue-500 bg-blue-300 p-2"
+        (click)="addNewItem()">
+        Add
+      </button>
+    </div>
+  `,
   standalone: true,
   imports: [NgIf, NgFor, ListItemComponent],
 })
@@ -21,7 +48,7 @@ export class CardComponent {
 
   constructor(
     private teacherStore: TeacherStore,
-    private studentStore: StudentStore
+    private studentStore: StudentStore,
   ) {}
 
   addNewItem() {