All files / app/service bookmark.service.ts

22.22% Statements 10/45
26.08% Branches 6/23
9.09% Functions 2/22
17.64% Lines 6/34

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import { Injectable } from '@angular/core';
import { Router } from '@angular/router';
import { filter, without } from 'lodash-es';
import { Store } from '../store/store';
import { toggle, UrlFilter } from '../util/query';
 
@Injectable({
  providedIn: 'root'
})
export class BookmarkService {
 
  constructor(
    private store: Store,
    private router: Router,
  ) { }
 
  toggleFilter(f: UrlFilter, ...clear: string[]) {
    const filters = filter(this.store.view.filter, f => !clear.find(p => f.startsWith(p)));
    if (filters.includes(f)) {
      this.filters = without(filters, f);
    } else {
      this.filters = [...without(filters, toggle(f)), f];
    }
  }
 
  clearFilters(...prefix: string[]) {
    this.filters = filter(this.store.view.filter, f => !prefix.find(p => f.startsWith(p)));
  }
 
  toggleQuery(query: string) {
    this.toggleFilter('query/' + query as UrlFilter);
  }
 
  toggleSources(url: string) {
    this.toggleFilter('sources/' + url as UrlFilter, 'responses/' + url);
  }
 
  toggleResponses(url: string) {
    this.toggleFilter('responses/' + url as UrlFilter, 'sources/' + url);
  }
 
  get filters() {
    return this.store.view.filter;
  }
 
  set filters(filters: string[]) {
    this.router.navigate([], {
      queryParams: { filter: filters.length ? filters : null, pageNumber: null },
      queryParamsHandling: 'merge',
      replaceUrl: true,
    });
  }
 
  get origin() {
    return this.store.view.origin;
  }
 
  set origin(origin: string) {
    this.router.navigate([], {
      queryParams: { origin },
      queryParamsHandling: 'merge',
      replaceUrl: true,
    });
  }
 
  toggleTag(...ts: string[]) {
    if (!ts.length) return;
    const tags = this.tags;
    for (const t of ts) {
      if (tags.includes(t)) {
        for (let i = tags.length - 1; i >= 0; i--) {
          if (t === tags[i] || tags[i].startsWith(t + '/')) {
            tags.splice(i, 1);
          }
        }
      } else {
        tags.push(t);
      }
    }
    this.tags = tags;
  }
 
  get tags() {
    return this.store.submit.tags;
  }
 
  set tags(tags: string[]) {
    this.router.navigate([], {
      queryParams: { tag: tags.length ? tags : null, pageNumber: null },
      queryParamsHandling: 'merge',
      replaceUrl: true,
    });
  }
 
  get to() {
    return this.store.submit.to;
  }
 
  set to(tos: string[]) {
    if (tos.join(' ') === this.store.submit.to.join(' ')) return;
    this.router.navigate([], {
      queryParams: { to: tos.length ? tos : null, pageNumber: null },
      queryParamsHandling: 'merge',
      replaceUrl: true,
    });
  }
 
  get pageSize() {
    return this.store.view.pageSize;
  }
 
  set pageSize(value: number) {
    this.router.navigate([], { queryParams: { pageSize: value }, queryParamsHandling: 'merge' });
  }
 
  set cols(value: number) {
    this.router.navigate([], { queryParams: { cols: value }, queryParamsHandling: 'merge' });
  }
}