88 lines
3.1 KiB
Dart
88 lines
3.1 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:collection/collection.dart';
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import 'package:pshared/config/constants.dart';
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import 'package:pshared/models/organization/organization.dart';
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import 'package:pshared/provider/resource.dart';
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import 'package:pshared/service/organization.dart';
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import 'package:pshared/service/secure_storage.dart';
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import 'package:pshared/utils/exception.dart';
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class OrganizationsProvider extends ChangeNotifier {
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Resource<List<Organization>> _resource = Resource(data: []);
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Resource<List<Organization>> get resource => _resource;
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List<Organization> get organizations => _resource.data ?? [];
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String? _currentOrg;
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Organization get current => isOrganizationSet ? _current! : throw StateError('Organization is not set');
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Organization? _org(String? orgRef) => organizations.firstWhereOrNull((org) => org.id == orgRef);
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Organization? _orgInList(String? orgRef, List<Organization> list) => list.firstWhereOrNull((org) => org.id == orgRef);
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Organization? get _current => _org(_currentOrg);
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bool get isOrganizationSet => _current != null;
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bool get isLoading => _resource.isLoading;
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Object? get error => _resource.error;
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void _setResource(Resource<List<Organization>> newResource) {
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_resource = newResource;
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notifyListeners();
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}
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Future<List<Organization>> load() async {
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_setResource(_resource.copyWith(isLoading: true, error: null));
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try {
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final orgs = await OrganizationService.list();
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// fetch stored org
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String? org = await SecureStorageService.get(Constants.currentOrgKey);
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// check stored org availability
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org = orgs.firstWhereOrNull((o) => o.id == org)?.id;
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// fallback if org is not set or not available
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org ??= orgs.first.id;
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await setCurrentOrganization(org, availableOrganizations: orgs);
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_setResource(Resource(data: orgs, isLoading: false));
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return orgs;
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} catch (e) {
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_setResource(_resource.copyWith(isLoading: false, error: toException(e)));
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rethrow;
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}
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}
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Future<Organization> loadByInvitation(String invitationRef) async {
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_setResource(_resource.copyWith(isLoading: true, error: null));
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try {
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final org = await OrganizationService.loadByInvitation(invitationRef);
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await setCurrentOrganization(org.id, availableOrganizations: [org]);
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_setResource(Resource(data: [org], isLoading: false));
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return org;
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} catch (e) {
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_setResource(_resource.copyWith(isLoading: false, error: toException(e)));
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rethrow;
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}
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}
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bool _setCurrentOrganization(
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String? orgRef, {
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List<Organization>? availableOrganizations,
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}) {
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final organizationRef = _orgInList(orgRef, availableOrganizations ?? organizations)?.id;
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if (organizationRef == null) return false;
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_currentOrg = organizationRef;
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return true;
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}
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Future<bool> setCurrentOrganization(
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String? orgRef, {
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List<Organization>? availableOrganizations,
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}) async {
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if (!_setCurrentOrganization(orgRef, availableOrganizations: availableOrganizations)) return false;
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await SecureStorageService.set(Constants.currentOrgKey, _currentOrg);
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notifyListeners();
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return true;
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}
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}
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