Files
standardnotes-app-web/app/assets/javascripts/services/preferencesManager.ts
2020-08-25 17:36:01 +02:00

89 lines
2.2 KiB
TypeScript

import { WebApplication } from '@/ui_models/application';
import {
SNPredicate,
ContentType,
ApplicationService,
SNUserPrefs,
WebPrefKey,
UserPrefsMutator,
FillItemContent
} from 'snjs';
export class PreferencesManager extends ApplicationService {
private userPreferences!: SNUserPrefs
private loadingPrefs = false;
private unubscribeStreamItems?: () => void;
/** @override */
async onAppLaunch() {
super.onAppLaunch();
this.reloadSingleton();
this.streamPreferences();
}
deinit() {
this.unubscribeStreamItems && this.unubscribeStreamItems();
}
get webApplication() {
return this.application as WebApplication;
}
streamPreferences() {
this.unubscribeStreamItems = this.application!.streamItems(
ContentType.UserPrefs,
() => {
this.reloadSingleton();
}
);
}
private async reloadSingleton() {
if(this.loadingPrefs) {
return;
}
this.loadingPrefs = true;
const contentType = ContentType.UserPrefs;
const predicate = new SNPredicate('content_type', '=', contentType);
const previousRef = this.userPreferences;
this.userPreferences = (await this.application!.singletonManager!.findOrCreateSingleton(
predicate,
contentType,
FillItemContent({})
)) as SNUserPrefs;
this.loadingPrefs = false;
const didChange = !previousRef || (
this.userPreferences.lastSyncBegan?.getTime() !== previousRef?.lastSyncBegan?.getTime()
)
if (didChange) {
this.webApplication.getAppState().setUserPreferences(this.userPreferences);
}
}
syncUserPreferences() {
if (this.userPreferences) {
this.application!.saveItem(this.userPreferences.uuid);
}
}
getValue(key: WebPrefKey, defaultValue?: any) {
if (!this.userPreferences) { return defaultValue; }
const value = this.userPreferences.getPref(key);
return (value !== undefined && value !== null) ? value : defaultValue;
}
async setUserPrefValue(key: WebPrefKey, value: any, sync = false) {
await this.application!.changeItem(
this.userPreferences.uuid,
(m) => {
const mutator = m as UserPrefsMutator;
mutator.setWebPref(key, value);
}
)
if (sync) {
this.syncUserPreferences();
}
}
}