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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);
}
}
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