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feat: resolve projection of Answer:1
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47 changes: 42 additions & 5 deletions
47
apps/angular/1-projection/src/app/component/city-card/city-card.component.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,13 +1,50 @@ | ||
| import { Component, OnInit } from '@angular/core'; | ||
| import { Component, OnInit, Signal } from '@angular/core'; | ||
| import { toSignal } from '@angular/core/rxjs-interop'; | ||
| import { CityStore } from '../../data-access/city.store'; | ||
| import { | ||
| FakeHttpService, | ||
| randomCity, | ||
| } from '../../data-access/fake-http.service'; | ||
| import { City } from '../../model/city.model'; | ||
| import { CardComponent } from '../../ui/card/card.component'; | ||
| import { ListItemTemplateDirective } from '../../ui/list-item/list-item-template.directive'; | ||
| import { ListItemComponent } from '../../ui/list-item/list-item.component'; | ||
|
|
||
| @Component({ | ||
| selector: 'app-city-card', | ||
| template: 'TODO City', | ||
| template: ` | ||
| <app-card [list]="cities()" (add)="addCity()"> | ||
| <img src="assets/img/city.png" width="200px" alt="student" /> | ||
| <ng-template appListItemTemplate let-city> | ||
| <app-list-item (deleteItem)="deleteCity(city.id)"> | ||
| {{ city.name }} | ||
| </app-list-item> | ||
| </ng-template> | ||
| </app-card> | ||
| `, | ||
| standalone: true, | ||
| imports: [], | ||
| imports: [CardComponent, ListItemTemplateDirective, ListItemComponent], | ||
| }) | ||
| export class CityCardComponent implements OnInit { | ||
| constructor() {} | ||
| cities: Signal<City[]> = toSignal(this.store.cities$, { | ||
| initialValue: [], | ||
| }); | ||
|
|
||
| constructor( | ||
| private http: FakeHttpService, | ||
| private store: CityStore, | ||
| ) {} | ||
|
|
||
| ngOnInit(): void { | ||
| this.http.fetchCities$.subscribe((s) => this.store.addAll(s)); | ||
| } | ||
|
|
||
| addCity() { | ||
| this.store.addOne(randomCity()); | ||
| } | ||
|
|
||
| ngOnInit(): void {} | ||
| deleteCity(id: number) { | ||
| this.store.deleteOne(id); | ||
| } | ||
| } |
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77 changes: 32 additions & 45 deletions
77
apps/angular/1-projection/src/app/ui/card/card.component.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,61 +1,48 @@ | ||
| import { NgFor, NgIf } from '@angular/common'; | ||
| import { Component, Input } from '@angular/core'; | ||
| import { randStudent, randTeacher } from '../../data-access/fake-http.service'; | ||
| import { StudentStore } from '../../data-access/student.store'; | ||
| import { TeacherStore } from '../../data-access/teacher.store'; | ||
| import { CardType } from '../../model/card.model'; | ||
| import { NgTemplateOutlet } from '@angular/common'; | ||
| import { | ||
| ChangeDetectionStrategy, | ||
| Component, | ||
| contentChild, | ||
| input, | ||
| output, | ||
| } from '@angular/core'; | ||
| import { ListItemTemplateDirective } from '../list-item/list-item-template.directive'; | ||
| import { ListItemComponent } from '../list-item/list-item.component'; | ||
|
|
||
| @Component({ | ||
| selector: 'app-card', | ||
| 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" /> | ||
| <ng-content select="img" /> | ||
| <section> | ||
| <app-list-item | ||
| *ngFor="let item of list" | ||
| [name]="item.firstName" | ||
| [id]="item.id" | ||
| [type]="type"></app-list-item> | ||
| </section> | ||
| <section> | ||
| @for (item of list(); track item) { | ||
| <ng-template | ||
| [ngTemplateOutlet]="itemTemplate()?.templateRef ?? null" | ||
| [ngTemplateOutletContext]="{ $implicit: item }" /> | ||
| } | ||
| </section> | ||
| <button | ||
| class="rounded-sm border border-blue-500 bg-blue-300 p-2" | ||
| (click)="addNewItem()"> | ||
| Add | ||
| </button> | ||
| </div> | ||
| <button | ||
| class="rounded-sm border border-blue-500 bg-blue-300 p-2" | ||
| (click)="addNewItem()"> | ||
| Add | ||
| </button> | ||
| `, | ||
| standalone: true, | ||
| imports: [NgIf, NgFor, ListItemComponent], | ||
| imports: [ListItemComponent, NgTemplateOutlet], | ||
| changeDetection: ChangeDetectionStrategy.OnPush, | ||
| host: { | ||
| class: 'flex w-fit flex-col gap-3 rounded-md border-2 border-black p-4', | ||
| }, | ||
| }) | ||
| export class CardComponent { | ||
| @Input() list: any[] | null = null; | ||
| @Input() type!: CardType; | ||
| @Input() customClass = ''; | ||
| export class CardComponent<T> { | ||
| list = input<T[]>([]); | ||
|
|
||
| CardType = CardType; | ||
| itemTemplate = contentChild(ListItemTemplateDirective); | ||
|
|
||
| constructor( | ||
| private teacherStore: TeacherStore, | ||
| private studentStore: StudentStore, | ||
| ) {} | ||
| add = output(); | ||
|
|
||
| addNewItem() { | ||
| if (this.type === CardType.TEACHER) { | ||
| this.teacherStore.addOne(randTeacher()); | ||
| } else if (this.type === CardType.STUDENT) { | ||
| this.studentStore.addOne(randStudent()); | ||
| } | ||
| this.add.emit(); | ||
| } | ||
| } |
9 changes: 9 additions & 0 deletions
9
apps/angular/1-projection/src/app/ui/list-item/list-item-template.directive.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,9 @@ | ||
| import { Directive, TemplateRef } from '@angular/core'; | ||
|
|
||
| @Directive({ | ||
| selector: '[appListItemTemplate]', | ||
| standalone: true, | ||
| }) | ||
| export class ListItemTemplateDirective { | ||
| constructor(public templateRef: TemplateRef<unknown>) {} | ||
| } |
37 changes: 11 additions & 26 deletions
37
apps/angular/1-projection/src/app/ui/list-item/list-item.component.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,35 +1,20 @@ | ||
| import { Component, Input } from '@angular/core'; | ||
| import { StudentStore } from '../../data-access/student.store'; | ||
| import { TeacherStore } from '../../data-access/teacher.store'; | ||
| import { CardType } from '../../model/card.model'; | ||
| import { ChangeDetectionStrategy, Component, output } from '@angular/core'; | ||
|
|
||
| @Component({ | ||
| selector: 'app-list-item', | ||
| template: ` | ||
| <div class="border-grey-300 flex justify-between border px-2 py-1"> | ||
| {{ name }} | ||
| <button (click)="delete(id)"> | ||
| <img class="h-5" src="assets/svg/trash.svg" /> | ||
| </button> | ||
| </div> | ||
| <ng-content /> | ||
| <button (click)="deleteItem.emit()"> | ||
| <img class="h-5" src="assets/svg/trash.svg" alt="delete" /> | ||
| </button> | ||
| `, | ||
| standalone: true, | ||
| changeDetection: ChangeDetectionStrategy.OnPush, | ||
| host: { | ||
| class: 'border-grey-300 flex justify-between border px-2 py-1', | ||
| }, | ||
| }) | ||
| export class ListItemComponent { | ||
| @Input() id!: number; | ||
| @Input() name!: string; | ||
| @Input() type!: CardType; | ||
|
|
||
| constructor( | ||
| private teacherStore: TeacherStore, | ||
| private studentStore: StudentStore, | ||
| ) {} | ||
|
|
||
| delete(id: number) { | ||
| if (this.type === CardType.TEACHER) { | ||
| this.teacherStore.deleteOne(id); | ||
| } else if (this.type === CardType.STUDENT) { | ||
| this.studentStore.deleteOne(id); | ||
| } | ||
| } | ||
| deleteItem = output(); | ||
| } |