# ASP.NET Core {{UI_Value}} Tutorial - Part 2

ASP.NET Core Angular Tutorial - Part 2

About this tutorial

This is the second part of the ASP.NET Core Angular tutorial series. All parts:

Part I: Creating the project and book list page
Part II: Creating, updating and deleting books (this tutorial)
Part III: Integration tests

You can also watch this video course prepared by an ABP community member, based on this tutorial.

Creating a new book

In this section, you will learn how to create a new modal dialog form to create a new book.

Type definition

Open books.ts file in app\store\models folder and replace the content as below:

export namespace Books {
  export interface State {
    books: Response;
  }

  export interface Response {
    items: Book[];
    totalCount: number;
  }

  export interface Book {
    name: string;
    type: BookType;
    publishDate: string;
    price: number;
    lastModificationTime: string;
    lastModifierId: string;
    creationTime: string;
    creatorId: string;
    id: string;
  }

  export enum BookType {
    Undefined,
    Adventure,
    Biography,
    Dystopia,
    Fantastic,
    Horror,
    Science,
    ScienceFiction,
    Poetry,
  }

  //<== added CreateUpdateBookInput interface ==>
  export interface CreateUpdateBookInput {
    name: string;
    type: BookType;
    publishDate: string;
    price: number;
  }
}

We added CreateUpdateBookInput interface.
You can see the properties of this interface from Swagger UI.
The CreateUpdateBookInput interface matches with the CreateUpdateBookDto in the backend.

Service method

Open the books.service.ts file in app\books\shared folder and replace the content as below:

import { Injectable } from '@angular/core';
import { RestService } from '@abp/ng.core';
import { Books } from '../../store/models';
import { Observable } from 'rxjs';

@Injectable({
  providedIn: 'root',
})
export class BooksService {
  constructor(private restService: RestService) {}

  get(): Observable<Books.Response> {
    return this.restService.request<void, Books.Response>({
      method: 'GET',
      url: '/api/app/book'
    });
  }

  //<== added create method ==>
  create(createBookInput: Books.CreateUpdateBookInput): Observable<Books.Book> {
    return this.restService.request<Books.CreateUpdateBookInput, Books.Book>({
      method: 'POST',
      url: '/api/app/book',
      body: createBookInput
    });
  }
}

We added the create method to perform an HTTP Post request to the server.
restService.request function gets generic parameters for the types sent to and received from the server. This example sends a CreateUpdateBookInput object and receives a Book object (you can set void for request or return type if not used).

State definitions

Open books.action.ts in app\store\actions folder and replace the content as below:

import { Books } from '../models'; //<== added this line ==>

export class GetBooks {
  static readonly type = '[Books] Get';
}

//added CreateUpdateBook class
export class CreateUpdateBook {
  static readonly type = '[Books] Create Update Book';
  constructor(public payload: Books.CreateUpdateBookInput) { }
}

We imported the Books namespace and created the CreateUpdateBook action.

Open books.state.ts file in app\store\states and replace the content as below:

import { State, Action, StateContext, Selector } from '@ngxs/store';
import { GetBooks, CreateUpdateBook } from '../actions/books.actions'; //<== added CreateUpdateBook==>
import { Books } from '../models/books';
import { BooksService } from '../../books/shared/books.service';
import { tap } from 'rxjs/operators';

@State<Books.State>({
  name: 'BooksState',
  defaults: { books: {} } as Books.State,
})
export class BooksState {
  @Selector()
  static getBooks(state: Books.State) {
    return state.books.items || [];
  }

  constructor(private booksService: BooksService) { }

  @Action(GetBooks)
  get(ctx: StateContext<Books.State>) {
    return this.booksService.get().pipe(
      tap(booksResponse => {
        ctx.patchState({
          books: booksResponse,
        });
      }),
    );
  }

  //added CreateUpdateBook action listener
  @Action(CreateUpdateBook)
  save(ctx: StateContext<Books.State>, action: CreateUpdateBook) {
    return this.booksService.create(action.payload);
  }
}

We imported CreateUpdateBook action and defined the save method that will listen to a CreateUpdateBook action to create a book.

When the SaveBook action dispatched, the save method is being executed. It calls create method of the BooksService.

Add a modal to BookListComponent

Open book-list.component.html file in books\book-list folder and replace the content as below:

<div class="card">
  <div class="card-header">
    <div class="row">
      <div class="col col-md-6">
        <h5 class="card-title">
          {{ '::Menu:Books' | abpLocalization }}
        </h5>
      </div>
       <!--Added new book button -->
      <div class="text-right col col-md-6">
        <div class="text-lg-right pt-2">
          <button
            id="create"
            class="btn btn-primary"
            type="button"
            (click)="createBook()"
          >
            <i class="fa fa-plus mr-1"></i>
            <span>{{ "::NewBook" | abpLocalization }}</span>
          </button>
        </div>
      </div>
    </div>
  </div>
  <div class="card-body">
    <abp-table
      [value]="books$ | async"
      [abpLoading]="loading"
      [headerTemplate]="tableHeader"
      [bodyTemplate]="tableBody"
      [rows]="10"
      [scrollable]="true"
    >
    </abp-table>
    <ng-template #tableHeader>
      <tr>
        <th>{{ "::Name" | abpLocalization }}</th>
        <th>{{ "::Type" | abpLocalization }}</th>
        <th>{{ "::PublishDate" | abpLocalization }}</th>
        <th>{{ "::Price" | abpLocalization }}</th>
      </tr>
    </ng-template>
    <ng-template #tableBody let-data>
      <tr>
        <td>{{ data.name }}</td>
        <td>{{ booksType[data.type] }}</td>
        <td>{{ data.publishDate | date }}</td>
        <td>{{ data.price }}</td>
      </tr>
    </ng-template>
  </div>
</div>

<!--added modal-->
<abp-modal [(visible)]="isModalOpen">
    <ng-template #abpHeader>
        <h3>{{ '::NewBook' | abpLocalization }}</h3>
    </ng-template>

    <ng-template #abpBody> </ng-template>

    <ng-template #abpFooter>
        <button type="button" class="btn btn-secondary" #abpClose>
             {{ 'AbpAccount::Close' | abpLocalization }}
        </button>
    </ng-template>
</abp-modal>

We added the abp-modal which renders a modal to allow user to create a new book.
abp-modal is a pre-built component to show modals. While you could use another approach to show a modal, abp-modal provides additional benefits.
We added New book button to the AbpContentToolbar.

Open book-list.component. file in books\book-list folder and replace the content as below:

import { Component, OnInit } from '@angular/core';
import { Store, Select } from '@ngxs/store';
import { BooksState } from '../../store/states';
import { Observable } from 'rxjs';
import { Books } from '../../store/models';
import { GetBooks } from '../../store/actions';

@Component({
  selector: 'app-book-list',
  templateUrl: './book-list.component.html',
  styleUrls: ['./book-list.component.scss'],
})
export class BookListComponent implements OnInit {
  @Select(BooksState.getBooks)
  books$: Observable<Books.Book[]>;

  booksType = Books.BookType;

  loading = false;

  isModalOpen = false; //<== added this line ==>

  constructor(private store: Store) { }

  ngOnInit() {
    this.get();
  }

  get() {
    this.loading = true;
    this.store.dispatch(new GetBooks()).subscribe(() => {
      this.loading = false;
    });
  }

  //added createBook method
  createBook() {
    this.isModalOpen = true;
  }
}

We added isModalOpen = false and createBook method.

You can open your browser and click New book button to see the new modal.

Empty modal for new book

Create a reactive form

Reactive forms provide a model-driven approach to handling form inputs whose values change over time.

Open book-list.component.ts file in app\books\book-list folder and replace the content as below:

import { Component, OnInit } from '@angular/core';
import { Store, Select } from '@ngxs/store';
import { BooksState } from '../../store/states';
import { Observable } from 'rxjs';
import { Books } from '../../store/models';
import { GetBooks } from '../../store/actions';
import { FormGroup, FormBuilder, Validators } from '@angular/forms'; //<== added this line ==>

@Component({
  selector: 'app-book-list',
  templateUrl: './book-list.component.html',
  styleUrls: ['./book-list.component.scss'],
})
export class BookListComponent implements OnInit {
  @Select(BooksState.getBooks)
  books$: Observable<Books.Book[]>;

  booksType = Books.BookType;

  loading = false;

  isModalOpen = false;

  form: FormGroup;

  constructor(private store: Store, private fb: FormBuilder) { } //<== added FormBuilder ==>

  ngOnInit() {
    this.get();
  }

  get() {
    this.loading = true;
    this.store.dispatch(new GetBooks()).subscribe(() => {
      this.loading = false;
    });
  }

  createBook() {
    this.buildForm(); //<== added this line ==>
    this.isModalOpen = true;
  }

  //added buildForm method
  buildForm() {
    this.form = this.fb.group({
      name: ['', Validators.required],
      type: [null, Validators.required],
      publishDate: [null, Validators.required],
      price: [null, Validators.required],
    });
  }
}

We imported FormGroup, FormBuilder and Validators.
We injected fb: FormBuilder service to the constructor. The FormBuilder service provides convenient methods for generating controls. It reduces the amount of boilerplate needed to build complex forms.
We added buildForm method to the end of the file and executed buildForm() in the createBook method. This method creates a reactive form to be able to create a new book.
- The group method of FormBuilder, fb creates a FormGroup.
- Added Validators.required static method which validates the relevant form element.

Create the DOM elements of the form

Open book-list.component.html in app\books\book-list folder and replace <ng-template #abpBody> </ng-template> with the following code part:

<ng-template #abpBody>
  <form [formGroup]="form">
    <div class="form-group">
      <label for="book-name">Name</label><span> * </span>
      <input type="text" id="book-name" class="form-control" formControlName="name" autofocus />
    </div>

    <div class="form-group">
      <label for="book-price">Price</label><span> * </span>
      <input type="number" id="book-price" class="form-control" formControlName="price" />
    </div>

    <div class="form-group">
      <label for="book-type">Type</label><span> * </span>
      <select class="form-control" id="book-type" formControlName="type">
        <option [ngValue]="null">Select a book type</option>
        <option [ngValue]="booksType[type]" *ngFor="let type of bookTypeArr"> {{ type }}</option>
      </select>
    </div>

    <div class="form-group">
      <label>Publish date</label><span> * </span>
      <input
        #datepicker="ngbDatepicker"
        class="form-control"
        name="datepicker"
        formControlName="publishDate"
        ngbDatepicker
        (click)="datepicker.toggle()"
      />
    </div>
  </form>
</ng-template>

This template creates a form with Name, Price, Type and Publish date fields.
We've used NgBootstrap datepicker in this component.

Datepicker requirements

Open books.module.ts file in app\books folder and replace the content as below:

import { NgModule } from '@angular/core';
import { CommonModule } from '@angular/common';

import { BooksRoutingModule } from './books-routing.module';
import { BooksComponent } from './books.component';
import { BookListComponent } from './book-list/book-list.component';
import { SharedModule } from '../shared/shared.module';
import { NgbDatepickerModule } from '@ng-bootstrap/ng-bootstrap'; //<== added this line ==>

@NgModule({
  declarations: [BooksComponent, BookListComponent],
  imports: [
    CommonModule,
    BooksRoutingModule,
    SharedModule,
    NgbDatepickerModule //<== added this line ==>
  ]
})
export class BooksModule { }

We imported NgbDatepickerModule to be able to use the date picker.

Open book-list.component.ts file in app\books\book-list folder and replace the content as below:

import { Component, OnInit } from '@angular/core';
import { Store, Select } from '@ngxs/store';
import { BooksState } from '../../store/states';
import { Observable } from 'rxjs';
import { Books } from '../../store/models';
import { GetBooks } from '../../store/actions';
import { FormGroup, FormBuilder, Validators } from '@angular/forms';
import { NgbDateNativeAdapter, NgbDateAdapter } from '@ng-bootstrap/ng-bootstrap'; //<== added this line ==>

@Component({
  selector: 'app-book-list',
  templateUrl: './book-list.component.html',
  styleUrls: ['./book-list.component.scss'],
  providers: [{ provide: NgbDateAdapter, useClass: NgbDateNativeAdapter }] //<== added this line ==>
})
export class BookListComponent implements OnInit {
  @Select(BooksState.getBooks)
  books$: Observable<Books.Book[]>;

  booksType = Books.BookType;

  //added bookTypeArr array
  bookTypeArr = Object.keys(Books.BookType).filter(
    bookType => typeof this.booksType[bookType] === 'number'
  );

  loading = false;

  isModalOpen = false;

  form: FormGroup;

  constructor(private store: Store, private fb: FormBuilder) { }

  ngOnInit() {
    this.get();
  }

  get() {
    this.loading = true;
    this.store.dispatch(new GetBooks()).subscribe(() => {
      this.loading = false;
    });
  }

  createBook() {
    this.buildForm();
    this.isModalOpen = true;
  }

  buildForm() {
    this.form = this.fb.group({
      name: ['', Validators.required],
      type: [null, Validators.required],
      publishDate: [null, Validators.required],
      price: [null, Validators.required],
    });
  }
}

We imported NgbDateNativeAdapter, NgbDateAdapter
We added a new provider NgbDateAdapter that converts Datepicker value to Date type. See the datepicker adapters for more details.
We added bookTypeArr array to be able to use it in the combobox values. The bookTypeArr contains the fields of the BookType enum. Resulting array is shown below:
```
['Adventure', 'Biography', 'Dystopia', 'Fantastic' ...]
```
This array was used in the previous form template in the ngFor loop.

Now, you can open your browser to see the changes:

New book modal

Saving the book

Open book-list.component.html in app\books\book-list folder and add the following abp-button to save the new book.

<ng-template #abpFooter>
  <button type="button" class="btn btn-secondary" #abpClose>
      {{ 'AbpAccount::Close' | abpLocalization }}
  </button>
    
  <!--added save button-->
  <button class="btn btn-primary" (click)="save()" [disabled]="form.invalid">
        <i class="fa fa-check mr-1"></i>
        {{ 'AbpAccount::Save' | abpLocalization }}
  </button>
</ng-template>

This adds a save button to the bottom area of the modal:

Save button to the modal

Open book-list.component.ts file in app\books\book-list folder and replace the content as below:

import { Component, OnInit } from '@angular/core';
import { Store, Select } from '@ngxs/store';
import { BooksState } from '../../store/states';
import { Observable } from 'rxjs';
import { Books } from '../../store/models';
import { GetBooks, CreateUpdateBook } from '../../store/actions'; //<== added CreateUpdateBook ==>
import { FormGroup, FormBuilder, Validators } from '@angular/forms';
import { NgbDateNativeAdapter, NgbDateAdapter } from '@ng-bootstrap/ng-bootstrap';

@Component({
  selector: 'app-book-list',
  templateUrl: './book-list.component.html',
  styleUrls: ['./book-list.component.scss'],
  providers: [{ provide: NgbDateAdapter, useClass: NgbDateNativeAdapter }]
})
export class BookListComponent implements OnInit {
  @Select(BooksState.getBooks)
  books$: Observable<Books.Book[]>;

  booksType = Books.BookType;

  bookTypeArr = Object.keys(Books.BookType).filter(
    bookType => typeof this.booksType[bookType] === 'number'
  );

  loading = false;

  isModalOpen = false;

  form: FormGroup;

  constructor(private store: Store, private fb: FormBuilder) { }

  ngOnInit() {
    this.get();
  }

  get() {
    this.loading = true;
    this.store.dispatch(new GetBooks()).subscribe(() => {
      this.loading = false;
    });
  }

  createBook() {
    this.buildForm();
    this.isModalOpen = true;
  }

  buildForm() {
    this.form = this.fb.group({
      name: ['', Validators.required],
      type: [null, Validators.required],
      publishDate: [null, Validators.required],
      price: [null, Validators.required],
    });
  }

  //<== added save ==>
  save() {
    if (this.form.invalid) {
      return;
    }

    this.store.dispatch(new CreateUpdateBook(this.form.value)).subscribe(() => {
      this.isModalOpen = false;
      this.form.reset();
      this.get();
    });
  }
}

We imported CreateUpdateBook.
We added save method

Updating an existing book

BooksService

Open the books.service.ts in app\books\shared folder and add the getById and update methods.

getById(id: string): Observable<Books.Book> {
  return this.restService.request<void, Books.Book>({
    method: 'GET',
    url: `/api/app/book/${id}`
  });
}

update(updateBookInput: Books.CreateUpdateBookInput, id: string): Observable<Books.Book> {
  return this.restService.request<Books.CreateUpdateBookInput, Books.Book>({
    method: 'PUT',
    url: `/api/app/book/${id}`,
    body: updateBookInput
  });
}

CreateUpdateBook action

Open the books.actions.ts in app\store\actions folder and replace the content as below:

import { Books } from '../models';

export class GetBooks {
  static readonly type = '[Books] Get';
}

export class CreateUpdateBook {
  static readonly type = '[Books] Create Update Book';
  constructor(public payload: Books.CreateUpdateBookInput, public id?: string) { } //<== added id parameter ==>
}

We added id parameter to the CreateUpdateBook action's constructor.

Open the books.state.ts in app\store\states folder and replace the save method as below:

@Action(CreateUpdateBook)
save(ctx: StateContext<Books.State>, action: CreateUpdateBook) {
    if (action.id) {
        return this.booksService.update(action.payload, action.id);
    } else {
        return this.booksService.create(action.payload);
    }
}

BookListComponent

Open book-list.component.ts in app\books\book-list folder and inject BooksService dependency by adding it to the constructor and add a variable named selectedBook.

import { Component, OnInit } from '@angular/core';
import { Store, Select } from '@ngxs/store';
import { BooksState } from '../../store/states';
import { Observable } from 'rxjs';
import { Books } from '../../store/models';
import { GetBooks, CreateUpdateBook } from '../../store/actions';
import { FormGroup, FormBuilder, Validators } from '@angular/forms';
import { NgbDateNativeAdapter, NgbDateAdapter } from '@ng-bootstrap/ng-bootstrap';
import { BooksService } from '../shared/books.service'; //<== imported BooksService ==>

@Component({
  selector: 'app-book-list',
  templateUrl: './book-list.component.html',
  styleUrls: ['./book-list.component.scss'],
  providers: [{ provide: NgbDateAdapter, useClass: NgbDateNativeAdapter }]
})
export class BookListComponent implements OnInit {
  @Select(BooksState.getBooks)
  books$: Observable<Books.Book[]>;

  booksType = Books.BookType;

  bookTypeArr = Object.keys(Books.BookType).filter(
    bookType => typeof this.booksType[bookType] === 'number'
  );

  loading = false;

  isModalOpen = false;

  form: FormGroup;

  selectedBook = {} as Books.Book; //<== declared selectedBook ==>

  constructor(private store: Store, private fb: FormBuilder, private booksService: BooksService) { }

  ngOnInit() {
    this.get();
  }

  get() {
    this.loading = true;
    this.store.dispatch(new GetBooks()).subscribe(() => {
      this.loading = false;
    });
  }

  //<== this method is replaced ==>
  createBook() {
    this.selectedBook = {} as Books.Book; //<== added ==>
    this.buildForm();
    this.isModalOpen = true;
  }

  //<== added editBook method ==>
  editBook(id: string) {
    this.booksService.getById(id).subscribe(book => {
      this.selectedBook = book;
      this.buildForm();
      this.isModalOpen = true;
    });
  }

  //<== this method is replaced ==>
  buildForm() {
    this.form = this.fb.group({
      name: [this.selectedBook.name || "", Validators.required],
      type: [this.selectedBook.type || null, Validators.required],
      publishDate: [
        this.selectedBook.publishDate
          ? new Date(this.selectedBook.publishDate)
          : null,
        Validators.required
      ],
      price: [this.selectedBook.price || null, Validators.required]
    });
  }

  save() {
    if (this.form.invalid) {
      return;
    }

    //<== added this.selectedBook.id ==>
    this.store.dispatch(new CreateUpdateBook(this.form.value, this.selectedBook.id))
      .subscribe(() => {
        this.isModalOpen = false;
        this.form.reset();
        this.get();
      });
  }
}

We imported BooksService.
We declared a variable named selectedBook as Books.Book.
We injected BooksService to the constructor. BooksService is being used to retrieve the book data which is being edited.
We added editBook method. This method fetches the book with the given Id and sets it to selectedBook object.
We replaced the buildForm method so that it creates the form with the selectedBook data.
We replaced the createBook method so it sets selectedBook to an empty object.
We added selectedBook.id to the constructor of the new CreateUpdateBook.

Add "Actions" dropdown to the table

Open the book-list.component.html in app\books\book-list folder and replace the <div class="card-body"> tag as below:

<div class="card-body">
  <abp-table
    [value]="books$ | async"
    [abpLoading]="loading"
    [headerTemplate]="tableHeader"
    [bodyTemplate]="tableBody"
    [rows]="10"
    [scrollable]="true"
  >
  </abp-table>
  <ng-template #tableHeader>
    <tr>
      <th>{{ "::Actions" | abpLocalization }}</th>
      <th>{{ "::Name" | abpLocalization }}</th>
      <th>{{ "::Type" | abpLocalization }}</th>
      <th>{{ "::PublishDate" | abpLocalization }}</th>
      <th>{{ "::Price" | abpLocalization }}</th>
    </tr>
  </ng-template>
  <ng-template #tableBody let-data>
    <tr>
      <td>
        <div ngbDropdown container="body" class="d-inline-block">
          <button
            class="btn btn-primary btn-sm dropdown-toggle"
            data-toggle="dropdown"
            aria-haspopup="true"
            ngbDropdownToggle
          >
            <i class="fa fa-cog mr-1"></i>{{ "::Actions" | abpLocalization }}
          </button>
          <div ngbDropdownMenu>
            <button ngbDropdownItem (click)="editBook(data.id)">
              {{ "::Edit" | abpLocalization }}
            </button>
          </div>
        </div>
      </td>
      <td>{{ data.name }}</td>
      <td>{{ booksType[data.type] }}</td>
      <td>{{ data.publishDate | date }}</td>
      <td>{{ data.price }}</td>
    </tr>
  </ng-template>
</div>

We added a th for the "Actions" column.
We added button with ngbDropdownToggle to open actions when clicked the button.
We have used to NgbDropdown for the dropdown menu of actions.

The final UI looks like as below:

Action buttons

Open book-list.component.html in app\books\book-list folder and find the <ng-template #abpHeader> tag and replace the content as below.

<ng-template #abpHeader>
    <h3>{{ (selectedBook.id ? 'AbpIdentity::Edit' : '::NewBook' ) | abpLocalization }}</h3>
</ng-template>

This template will show Edit text for edit record operation, New Book for new record operation in the title.

Deleting a book

BooksService

Open books.service.ts in app\books\shared folder and add the below delete method to delete a book.

delete(id: string): Observable<void> {
  return this.restService.request<void, void>({
    method: 'DELETE',
    url: `/api/app/book/${id}`
  });
}

Delete method gets id parameter and makes a DELETE HTTP request to the relevant endpoint.

DeleteBook action

Open books.actions.ts in app\store\actions folder and add an action named DeleteBook.

export class DeleteBook {
  static readonly type = '[Books] Delete';
  constructor(public id: string) {}
}

Open the books.state.ts in app\store\states folder and replace the content as below:

import { State, Action, StateContext, Selector } from '@ngxs/store';
import { GetBooks, CreateUpdateBook, DeleteBook } from '../actions/books.actions'; //<== added DeleteBook==>
import { Books } from '../models/books';
import { BooksService } from '../../books/shared/books.service';
import { tap } from 'rxjs/operators';

@State<Books.State>({
  name: 'BooksState',
  defaults: { books: {} } as Books.State,
})
export class BooksState {
  @Selector()
  static getBooks(state: Books.State) {
    return state.books.items || [];
  }

  constructor(private booksService: BooksService) { }

  @Action(GetBooks)
  get(ctx: StateContext<Books.State>) {
    return this.booksService.get().pipe(
      tap(booksResponse => {
        ctx.patchState({
          books: booksResponse,
        });
      }),
    );
  }

  @Action(CreateUpdateBook)
  save(ctx: StateContext<Books.State>, action: CreateUpdateBook) {
    if (action.id) {
      return this.booksService.update(action.payload, action.id);
    } else {
      return this.booksService.create(action.payload);
    }
  }

  //<== added DeleteBook ==>
  @Action(DeleteBook)
  delete(ctx: StateContext<Books.State>, action: DeleteBook) {
    return this.booksService.delete(action.id);
  }
}

We imported DeleteBook .
We added DeleteBook action listener to the end of the file.

Add a delete button

Open book-list.component.html in app\books\book-list folder and modify the ngbDropdownMenu to add the delete button as shown below:

<div ngbDropdownMenu>
  <!-- added Delete button -->
    <button ngbDropdownItem (click)="delete(data.id, data.name)">
        {{ 'AbpAccount::Delete' | abpLocalization }}
    </button>
</div>

The final actions dropdown UI looks like below:

bookstore-final-actions-dropdown

Delete confirmation dialog

Open book-list.component.ts inapp\books\book-list folder and inject the ConfirmationService.

Replace the constructor as below:

import { ConfirmationService } from '@abp/ng.theme.shared';
//...

constructor(
    private store: Store, private fb: FormBuilder,
    private booksService: BooksService,
    private confirmationService: ConfirmationService // <== added this line ==>
) { }

We imported ConfirmationService.
We injected ConfirmationService to the constructor.

In the book-list.component.ts add a delete method :

import { GetBooks, CreateUpdateBook, DeleteBook } from '../../store/actions'; //<== added DeleteBook ==>

import { ConfirmationService, Confirmation } from '@abp/ng.theme.shared'; //<== added Confirmation ==>

//...

delete(id: string, name: string) {
    this.confirmationService
        .warn('::AreYouSureToDelete', 'AbpAccount::AreYouSure')
        .subscribe(status => {
        if (status === Confirmation.Status.confirm) {
            this.store.dispatch(new DeleteBook(id)).subscribe(() => this.get());
        }
    });
}

The delete method shows a confirmation popup and subscribes for the user response. DeleteBook action dispatched only if user clicks to the Yes button. The confirmation popup looks like below:

bookstore-confirmation-popup

Next Part

See the next part of this tutorial.

Framework

Tools

Startup Templates

UI Themes

Mobile

Modules

ASP.NET Core Angular Tutorial - Part 2

About this tutorial

Creating a new book

Type definition

Service method

State definitions

Add a modal to BookListComponent

Create a reactive form

Create the DOM elements of the form

Datepicker requirements

Saving the book

Updating an existing book

BooksService

CreateUpdateBook action

BookListComponent

Add "Actions" dropdown to the table

Deleting a book

BooksService

DeleteBook action

Add a delete button

Delete confirmation dialog

Next Part

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