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- // @flow
-
- import * as SecureStore from 'expo-secure-store';
- import {apiRequest, ERROR_TYPE, isResponseValid} from "../utils/WebData";
-
- /**
- * champ: error
- *
- * 0 : SUCCESS -> pas d'erreurs
- * 1 : BAD_CREDENTIALS -> email ou mdp invalide
- * 2 : BAD_TOKEN -> session expirée
- * 3 : NO_CONSENT
- * 403 : FORBIDDEN -> accès a la ressource interdit
- * 500 : SERVER_ERROR -> pb coté serveur
- */
-
-
- const AUTH_PATH = "password";
-
- export default class ConnectionManager {
- static instance: ConnectionManager | null = null;
-
- #email: string;
- #token: string | null;
-
- listeners: Array<Function>;
-
- constructor() {
- this.#token = null;
- this.listeners = [];
- }
-
- /**
- * Get this class instance or create one if none is found
- * @returns {ConnectionManager}
- */
- static getInstance(): ConnectionManager {
- return ConnectionManager.instance === null ?
- ConnectionManager.instance = new ConnectionManager() :
- ConnectionManager.instance;
- }
-
- getToken() {
- return this.#token;
- }
-
- onLoginStateChange(newState: boolean) {
- for (let i = 0; i < this.listeners.length; i++) {
- if (this.listeners[i] !== undefined)
- this.listeners[i](newState);
- }
- }
-
- addLoginStateListener(listener: Function) {
- this.listeners.push(listener);
- }
-
- async recoverLogin() {
- return new Promise((resolve, reject) => {
- if (this.getToken() !== null)
- resolve(this.getToken());
- else {
- SecureStore.getItemAsync('token')
- .then((token) => {
- this.#token = token;
- if (token !== null) {
- this.onLoginStateChange(true);
- resolve(token);
- } else
- reject(false);
- })
- .catch(error => {
- reject(false);
- });
- }
- });
- }
-
- isLoggedIn() {
- return this.getToken() !== null;
- }
-
- async saveLogin(email: string, token: string) {
- return new Promise((resolve, reject) => {
- SecureStore.setItemAsync('token', token)
- .then(() => {
- this.#token = token;
- this.#email = email;
- this.onLoginStateChange(true);
- resolve(true);
- })
- .catch(error => {
- reject(false);
- });
- });
- }
-
- async disconnect() {
- return new Promise((resolve, reject) => {
- SecureStore.deleteItemAsync('token')
- .then(() => {
- this.#token = null;
- this.onLoginStateChange(false);
- resolve(true);
- })
- .catch((error) => {
- reject(false);
- });
- });
- }
-
- async connect(email: string, password: string) {
- return new Promise((resolve, reject) => {
- const data = {
- email: email,
- password: password,
- };
- apiRequest(AUTH_PATH, 'POST', data)
- .then((response) => {
- this.saveLogin(email, response.token)
- .then(() => {
- resolve(true);
- })
- .catch(() => {
- reject(ERROR_TYPE.UNKNOWN);
- });
- })
- .catch((error) => reject(error));
- });
- }
-
- isConnectionResponseValid(response: Object) {
- let valid = isResponseValid(response);
-
- if (valid && response.error === ERROR_TYPE.SUCCESS)
- valid = valid
- && response.data.token !== undefined
- && response.data.token !== ''
- && typeof response.data.token === "string";
- return valid;
- }
-
- async authenticatedRequest(path: string, params: Object) {
- return new Promise((resolve, reject) => {
- if (this.getToken() !== null) {
- // console.log(data);
- let data = {
- token: this.getToken(),
- ...params
- };
- apiRequest(path, 'POST', data)
- .then((response) => resolve(response))
- .catch((error) => reject(error));
- } else
- reject(ERROR_TYPE.UNKNOWN);
- });
- }
- }
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