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change live permissions behaviour

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rubikscraft 2022-03-14 17:23:57 +01:00
parent 6497c0ac30
commit a6f3db1283
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1 changed files with 16 additions and 11 deletions
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27
frontend/src/app/api/permission.service.ts
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@ -6,7 +6,7 @@ import {
PermissionsList
} from 'picsur-shared/dist/dto/permissions';
import { AsyncFailable, HasFailed } from 'picsur-shared/dist/types';
import { BehaviorSubject, filter, Observable, take } from 'rxjs';
import { BehaviorSubject, filter, map, Observable, take } from 'rxjs';
import { ApiService } from './api.service';
import { UserService } from './user.service';
@ -20,21 +20,26 @@ export class PermissionService {
public get live(): Observable<Permissions> {
return this.permissionsSubject.pipe(
filter((v) => v !== null)
) as Observable<Permissions>;
}
public get snapshot(): Permissions {
return (
this.permissionsSubject.getValue() ?? (PermissionsList as Permissions)
map((permissions) => permissions ?? this.defaultPermissions)
);
}
public loadedSnapshot(): Promise<Permissions> {
return new Promise((resolve) => this.live.pipe(take(1)).subscribe(resolve));
public get snapshot(): Permissions {
return this.permissionsSubject.getValue() ?? this.defaultPermissions;
}
// Lets be optimistic for better ux
// This will not be optimistic, it will instead wait for correct data
public loadedSnapshot(): Promise<Permissions> {
return new Promise((resolve) => {
const filtered = this.permissionsSubject.pipe(
filter((permissions) => permissions !== null),
take(1)
);
(filtered as Observable<Permissions>).subscribe(resolve);
});
}
private defaultPermissions = PermissionsList as Permissions;
private permissionsSubject = new BehaviorSubject<Permissions | null>(null);
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