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08-reading-state #8

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6 changes: 3 additions & 3 deletions libs/books-page/src/lib/books-page/books-page.component.html
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Original file line number Diff line number Diff line change
@@ -1,9 +1,9 @@
<div class="container">
<div class="col-50">
<bco-books-total [total]="total"> </bco-books-total>
<bco-books-total [total]="total$ | async"> </bco-books-total>

<bco-books-list
[books]="books"
[books]="books$ | async"
(select)="onSelect($event)"
(delete)="onDelete($event)"
>
Expand All @@ -12,7 +12,7 @@

<bco-book-detail
class="col-50"
[book]="currentBook"
[book]="currentBook$ | async"
(save)="onSave($event)"
(cancel)="onCancel()"
>
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35 changes: 14 additions & 21 deletions libs/books-page/src/lib/books-page/books-page.component.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -2,12 +2,12 @@ import { Component, OnInit } from '@angular/core';
import { Store } from '@ngrx/store';
import { Observable } from 'rxjs';
import { BooksPageActions, BooksApiActions } from '@book-co/books-page/actions';
import { BookModel, BookRequiredProps } from '@book-co/shared-models';
import {
BookModel,
BookRequiredProps,
calculateBooksGrossEarnings,
} from '@book-co/shared-models';
import {} from '@book-co/shared-state-books';
selectAllBooks,
selectActiveBook,
selectBooksEarningsTotals,
} from '@book-co/shared-state-books';
import { BooksService } from '@book-co/shared-services';

@Component({
Expand All @@ -16,11 +16,15 @@ import { BooksService } from '@book-co/shared-services';
styleUrls: ['./books-page.component.scss'],
})
export class BooksPageComponent implements OnInit {
books: BookModel[] = [];
currentBook: BookModel | null = null;
total: number = 0;

constructor(private booksService: BooksService, private store: Store) {}
books$: Observable<BookModel[]>;
currentBook$: Observable<BookModel | null>;
total$: Observable<number>;

constructor(private booksService: BooksService, private store: Store) {
this.books$ = store.select(selectAllBooks);
this.currentBook$ = store.select(selectActiveBook);
this.total$ = store.select(selectBooksEarningsTotals);
}

ngOnInit() {
this.store.dispatch(BooksPageActions.enter());
Expand All @@ -31,21 +35,12 @@ export class BooksPageComponent implements OnInit {

getBooks() {
this.booksService.all().subscribe((books) => {
this.books = books;
this.updateTotals(books);

this.store.dispatch(BooksApiActions.booksLoaded({ books }));
});
}

updateTotals(books: BookModel[]) {
this.total = calculateBooksGrossEarnings(books);
}

onSelect(book: BookModel) {
this.store.dispatch(BooksPageActions.selectBook({ bookId: book.id }));

this.currentBook = book;
}

onCancel() {
Expand All @@ -54,8 +49,6 @@ export class BooksPageComponent implements OnInit {

removeSelectedBook() {
this.store.dispatch(BooksPageActions.clearSelectedBook());

this.currentBook = null;
}

onSave(book: BookRequiredProps | BookModel) {
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