Kavita/UI/Web/src/app/bookmark/_components/bookmarks/bookmarks.component.ts

import {ChangeDetectionStrategy, ChangeDetectorRef, Component, EventEmitter, inject, OnInit} from '@angular/core';
import {ActivatedRoute, Router} from '@angular/router';
import {ToastrService} from 'ngx-toastr';
import {take} from 'rxjs';
import {BulkSelectionService} from 'src/app/cards/bulk-selection.service';
import {FilterSettings} from 'src/app/metadata-filter/filter-settings';
import {ConfirmService} from 'src/app/shared/confirm.service';
import {DownloadService} from 'src/app/shared/_services/download.service';
import {FilterUtilitiesService} from 'src/app/shared/_services/filter-utilities.service';
import {JumpKey} from 'src/app/_models/jumpbar/jump-key';
import {PageBookmark} from 'src/app/_models/readers/page-bookmark';
import {Pagination} from 'src/app/_models/pagination';
import {Series} from 'src/app/_models/series';
import {FilterEvent} from 'src/app/_models/metadata/series-filter';
import {Action, ActionFactoryService, ActionItem} from 'src/app/_services/action-factory.service';
import {ImageService} from 'src/app/_services/image.service';
import {JumpbarService} from 'src/app/_services/jumpbar.service';
import {ReaderService} from 'src/app/_services/reader.service';
import {DecimalPipe} from '@angular/common';
import {CardItemComponent} from '../../../cards/card-item/card-item.component';
import {CardDetailLayoutComponent} from '../../../cards/card-detail-layout/card-detail-layout.component';
import {BulkOperationsComponent} from '../../../cards/bulk-operations/bulk-operations.component';
import {
  SideNavCompanionBarComponent
} from '../../../sidenav/_components/side-nav-companion-bar/side-nav-companion-bar.component';
import {translate, TranslocoDirective, TranslocoService} from "@jsverse/transloco";
import {SeriesFilterV2} from "../../../_models/metadata/v2/series-filter-v2";
import {Title} from "@angular/platform-browser";
import {WikiLink} from "../../../_models/wiki";

@Component({
  selector: 'app-bookmarks',
  templateUrl: './bookmarks.component.html',
  styleUrls: ['./bookmarks.component.scss'],
  changeDetection: ChangeDetectionStrategy.OnPush,
  imports: [SideNavCompanionBarComponent, BulkOperationsComponent, CardDetailLayoutComponent, CardItemComponent, DecimalPipe, TranslocoDirective]
})
export class BookmarksComponent implements OnInit {

  private readonly translocoService = inject(TranslocoService);
  private readonly readerService = inject(ReaderService);
  private readonly downloadService = inject(DownloadService);
  private readonly toastr = inject(ToastrService);
  private readonly confirmService = inject(ConfirmService);
  private readonly actionFactoryService = inject(ActionFactoryService);
  private readonly router = inject(Router);
  private readonly cdRef = inject(ChangeDetectorRef);
  private readonly filterUtilityService = inject(FilterUtilitiesService);
  private readonly route = inject(ActivatedRoute);
  private readonly jumpbarService = inject(JumpbarService);
  private readonly titleService = inject(Title);
  public readonly bulkSelectionService = inject(BulkSelectionService);
  public readonly imageService = inject(ImageService);

  protected readonly WikiLink = WikiLink;

  bookmarks: Array<PageBookmark> = [];
  series: Array<Series> = [];
  loadingBookmarks: boolean = false;
  seriesIds: {[id: number]: number} = {};
  clearingSeries: {[id: number]: boolean} = {};
  actions: ActionItem<Series>[] = [];
  jumpbarKeys: Array<JumpKey> = [];

  pagination: Pagination = new Pagination();
  filter: SeriesFilterV2 | undefined = undefined;
  filterSettings: FilterSettings = new FilterSettings();
  filterOpen: EventEmitter<boolean> = new EventEmitter();
  filterActive: boolean = false;
  filterActiveCheck!: SeriesFilterV2;

  trackByIdentity = (index: number, item: Series) => `${item.name}_${item.localizedName}_${item.pagesRead}`;
  refresh: EventEmitter<void> = new EventEmitter();

  constructor() {
      this.filterUtilityService.filterPresetsFromUrl(this.route.snapshot).subscribe(filter => {
        this.filter = filter;

        this.filterActiveCheck = this.filterUtilityService.createSeriesV2Filter();
        this.filterActiveCheck!.statements.push(this.filterUtilityService.createSeriesV2DefaultStatement());
        this.filterSettings.presetsV2 =  this.filter;
        this.filterSettings.statementLimit = 1;

        this.cdRef.markForCheck();
      });

      this.titleService.setTitle('Kavita - ' + translate('bookmarks.title'));
    }

  ngOnInit(): void {
    this.actions = this.actionFactoryService.getBookmarkActions(this.handleAction.bind(this));
  }


  async handleAction(action: ActionItem<Series>, series: Series) {
    switch (action.action) {
      case(Action.Delete):
        await this.clearBookmarks(series);
        break;
      case(Action.DownloadBookmark):
        this.downloadBookmarks(series);
        break;
      case(Action.ViewSeries):
        await this.router.navigate(['library', series.libraryId, 'series', series.id]);
        break;
      default:
        break;
    }
  }

  bulkActionCallback = async (action: ActionItem<any>, data: any) => {
    const selectedSeriesIndexies = this.bulkSelectionService.getSelectedCardsForSource('bookmark');
    const selectedSeries = this.series.filter((series, index: number) => selectedSeriesIndexies.includes(index + ''));
    const seriesIds = selectedSeries.map(item => item.id);

    switch (action.action) {
      case Action.DownloadBookmark:
        this.downloadService.download('bookmark', this.bookmarks.filter(bmk => seriesIds.includes(bmk.seriesId)),
          (d) => {
          if (!d) {
            this.bulkSelectionService.deselectAll();
          }
        });
        break;
      case Action.Delete:
        if (!await this.confirmService.confirm(this.translocoService.translate('bookmarks.confirm-delete'))) {
          break;
        }

        this.readerService.clearMultipleBookmarks(seriesIds).subscribe(() => {
          this.toastr.success(this.translocoService.translate('bookmarks.delete-success'));
          this.bulkSelectionService.deselectAll();
          this.loadPage();
        });
        break;
      default:
        break;
    }
  }

  loadPage() {
    this.loadingBookmarks = true;
    this.cdRef.markForCheck();

    this.readerService.getAllBookmarks(this.filter).pipe(take(1)).subscribe(bookmarks => {
      this.bookmarks = bookmarks;
      this.bookmarks.forEach(bmk => {
        this.clearingSeries[bmk.seriesId] = false;
        if (!this.seriesIds.hasOwnProperty(bmk.seriesId)) {
          this.seriesIds[bmk.seriesId] = 0;
        }
        this.seriesIds[bmk.seriesId] += 1;
      });

      const distinctSeriesMap = new Map();
      this.bookmarks.forEach(b => {
        distinctSeriesMap.set(b.series.id, b.series);
      });
      this.series = Array.from(distinctSeriesMap.values());
      this.jumpbarKeys = this.jumpbarService.getJumpKeys(this.series, (t: Series) => t.name);
      this.loadingBookmarks = false;
      this.cdRef.markForCheck();
    });
  }

  viewBookmarks(series: Series) {
    this.router.navigate(['library', series.libraryId, 'series', series.id, 'manga', 0], {queryParams: {incognitoMode: false, bookmarkMode: true}});
  }

  async clearBookmarks(series: Series) {
    if (!await this.confirmService.confirm(this.translocoService.translate('bookmarks.confirm-single-delete', {seriesName: series.name}))) {
      return;
    }

    this.clearingSeries[series.id] = true;
    this.cdRef.markForCheck();
    this.readerService.clearBookmarks(series.id).subscribe(() => {
      const index = this.series.indexOf(series);
      if (index > -1) {
        this.series.splice(index, 1);
      }
      this.clearingSeries[series.id] = false;
      this.toastr.success(this.translocoService.translate('delete-single-success', {seriesName: series.name}));
      this.refresh.emit();
      this.cdRef.markForCheck();
    });
  }

  downloadBookmarks(series: Series) {
    this.downloadService.download('bookmark', this.bookmarks.filter(bmk => bmk.seriesId === series.id));
  }

  updateFilter(data: FilterEvent) {
    if (data.filterV2 === undefined) return;
    this.filter = data.filterV2;

    if (data.isFirst) {
      this.loadPage();
      return;
    }

    this.filterUtilityService.updateUrlFromFilter(this.filter).subscribe((encodedFilter) => {
      this.loadPage();
    });
  }
}