mirror of
https://gitlab.com/comunic/comunicmobile
synced 2024-10-23 15:03:22 +00:00
103 lines
3.0 KiB
Dart
103 lines
3.0 KiB
Dart
import 'package:comunic/helpers/api_helper.dart';
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import 'package:comunic/helpers/preferences_helper.dart';
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import 'package:comunic/models/api_request.dart';
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import 'package:comunic/models/authentication_details.dart';
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import 'package:comunic/models/login_tokens.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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/// Account helper
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///
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/// @author Pierre HUBERT
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enum AuthResult {
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SUCCESS,
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TOO_MANY_ATTEMPTS,
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NETWORK_ERROR,
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INVALID_CREDENTIALS
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}
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class AccountHelper {
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static const _USER_ID_PREFERENCE_NAME = "user_id";
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// Current user ID
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static int _currentUserID = -1;
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/// Checkout whether current user is signed in or not
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///
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/// Warning : This method MUST BE CALLED AT LEAST ONCE AFTER APP START !!!
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Future<bool> signedIn() async {
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bool signedIn =
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(await PreferencesHelper.getInstance()).getLoginTokens() != null;
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// Load current user ID for later use
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if (signedIn && _currentUserID == -1) await _loadCurrentUserID();
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return signedIn;
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}
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/// Sign in user
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Future<AuthResult> signIn(AuthenticationDetails auth) async {
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final request = APIRequest(uri: "account/login");
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request.addString("userMail", auth.email);
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request.addString("userPassword", auth.password);
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final response = await APIHelper().exec(request);
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// Handle errors
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if (response.code == 401)
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return AuthResult.INVALID_CREDENTIALS;
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else if (response.code == 429)
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return AuthResult.TOO_MANY_ATTEMPTS;
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else if (response.code != 200) return AuthResult.NETWORK_ERROR;
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// Save login tokens
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final tokensObj = response.getObject()["tokens"];
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await (await PreferencesHelper.getInstance())
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.setLoginTokens(LoginTokens(tokensObj["token1"], tokensObj["token2"]));
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// Get current user ID
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final userID = await _downloadCurrentUserID();
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if (userID == null) {
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await signOut(); // We can not stay signed in without current user ID
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return AuthResult.NETWORK_ERROR;
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}
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// Save current user ID
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final preferences = await SharedPreferences.getInstance();
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await preferences.setInt(_USER_ID_PREFERENCE_NAME, userID);
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_currentUserID = userID;
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return AuthResult.SUCCESS;
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}
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/// Sign out user
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Future<void> signOut() async {
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await (await PreferencesHelper.getInstance()).setLoginTokens(null);
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_currentUserID = 0;
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}
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/// Get current user ID from the server
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Future<int> _downloadCurrentUserID() async {
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final response = await APIRequest(
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uri: "user/getCurrentUserID",
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needLogin: true,
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).exec();
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if (response.code != 200) return null;
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return response.getObject()["userID"];
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}
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/// Get the ID of the currently signed in user
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Future<void> _loadCurrentUserID() async {
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final preferences = await SharedPreferences.getInstance();
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_currentUserID = preferences.getInt(_USER_ID_PREFERENCE_NAME);
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}
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/// Get the ID of the currently signed in user
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static int getCurrentUserID() {
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if (_currentUserID == -1) throw "Current user ID has not been loaded yet!";
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return _currentUserID;
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}
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}
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