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41 lines
1.7 KiB
41 lines
1.7 KiB
import {localStorageObs} from 'app/client/lib/localStorageObs';
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import {AppModel} from 'app/client/models/AppModel';
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import {UserOrgPrefs} from 'app/common/Prefs';
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import {Computed, Observable} from 'grainjs';
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/**
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* Creates an observable that returns UserOrgPrefs, and which stores them when set.
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*
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* For anon user, the prefs live in localStorage. Note that the observable isn't actually watching
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* for changes on the server, it will only change when set.
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*/
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export function getUserOrgPrefsObs(appModel: AppModel): Observable<UserOrgPrefs> {
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const savedPrefs = appModel.currentValidUser ? appModel.currentOrg?.userOrgPrefs : undefined;
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if (savedPrefs) {
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const prefsObs = Observable.create<UserOrgPrefs>(null, savedPrefs);
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return Computed.create(null, (use) => use(prefsObs))
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.onWrite(userOrgPrefs => {
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prefsObs.set(userOrgPrefs);
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return appModel.api.updateOrg('current', {userOrgPrefs});
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});
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} else {
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const userId = appModel.currentUser?.id || 0;
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const jsonPrefsObs = localStorageObs(`userOrgPrefs:u=${userId}`);
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return Computed.create(null, jsonPrefsObs, (use, p) => (p && JSON.parse(p) || {}) as UserOrgPrefs)
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.onWrite(userOrgPrefs => {
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jsonPrefsObs.set(JSON.stringify(userOrgPrefs));
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});
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}
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}
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/**
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* Creates an observable that returns a particular preference value from `prefsObs`, and which
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* stores it when set.
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*/
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export function getUserOrgPrefObs<Name extends keyof UserOrgPrefs>(
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prefsObs: Observable<UserOrgPrefs>, prefName: Name
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): Observable<UserOrgPrefs[Name]> {
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return Computed.create(null, (use) => use(prefsObs)[prefName])
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.onWrite(value => prefsObs.set({...prefsObs.get(), [prefName]: value}));
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}
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