src/services/search-service/search-service.ts

   1 // Copyright (C) The Arvados Authors. All rights reserved.
   2 //
   3 // SPDX-License-Identifier: AGPL-3.0
   4
   5 export class SearchService {
   6     private recentQueries: string[] = this.getRecentQueries();
   7     private savedQueries: string[] = this.getSavedQueries();
   8
   9     saveRecentQuery(query: string) {
  10         if (this.recentQueries.length >= MAX_NUMBER_OF_RECENT_QUERIES) {
  11             this.recentQueries.shift();
  12             this.recentQueries.push(query);
  13         } else {
  14             this.recentQueries.push(query);
  15         }
  16         localStorage.setItem('recentQueries', JSON.stringify(this.recentQueries));
  17     }
  18
  19     getRecentQueries() {
  20         return JSON.parse(localStorage.getItem('recentQueries') || '[]') as string[];
  21     }
  22
  23     saveQuery(query: string) {
  24         this.savedQueries.push(query);
  25         localStorage.setItem('savedQueries', JSON.stringify(this.savedQueries));
  26     }
  27
  28     getSavedQueries() {
  29         return JSON.parse(localStorage.getItem('savedQueries') || '[]') as string[];
  30     }
  31
  32     deleteSavedQuery(id: number) {
  33         this.savedQueries.splice(id, 1);
  34         localStorage.setItem('savedQueries', JSON.stringify(this.savedQueries));
  35     }
  36 }
  37
  38 const MAX_NUMBER_OF_RECENT_QUERIES = 5;