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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 | 1x 1x 1x 1x 1x 1x 16x 16x 16x 16x 1x 1x 1x 1x 1x 1x 1x 1x 1x 2x 2x 2x 1x 2x 1x 1x 1x 1x | import {Injectable} from '@angular/core'; import {BrowserDatabase} from 'browser-database'; I import {Contact, ContactFilter} from '../interfaces';E @Injectable({ providedIn: 'root' }) export class DatabaseService { /* * Contact model name */ readonly contactModel = 'contact'; /* * Contact filter model name */ private readonly contactFilterModel = 'contact-filter'; /* * Contact filter id */ private readonly contactFilterId = 'contact'; /* * Local database reference */ public browserDatabase: BrowserDatabase = new BrowserDatabase(); /* * Insert contact * * @param contact Contact */ insert(contact: Contact) { return this.browserDatabase.insert(this.contactModel, contact); } /* * Insert contact * * @param contactId Contact id * @param contact New contact data */ update(contactId: number | string, contact: Contact) { return this.browserDatabase.update(this.contactModel, contactId, contact); } /* * Get contact * * @param contactId Contact id */ getById(contactId: number | string) { return this.browserDatabase.getById(this.contactModel, contactId); } /* * Get contacts */ getAll() { return this.browserDatabase.getAll(this.contactModel); } /* * Loads filter from database */ loadFilter() { return this.browserDatabase.getById(this.contactFilterModel, this.contactFilterId) .catch(() => this.createDefaultFilter()); } /* * Creates default filter */ createDefaultFilter() { return this.browserDatabase.insert(this.contactFilterModel, { id: this.contactFilterId, sortBy: 'id', sortDir: true, filter: { id: '', firstName: '', lastName: '' } }); } /* * Saves filter to database * * @param filter Current filter */ saveFilter(filter: ContactFilter) { return this.browserDatabase.update(this.contactFilterModel, this.contactFilterId, filter); } } |