UserForm: ajout retour de validation d'API

frontend/src/services/api-client.service.js

@@ -1,4 +1,5 @@
 import { UnauthorizedError } from '../errors/unauthorized.error.js';
+import { APIError } from '../errors/api.error.js';
 
 export const UnauthorizedStatusCode = 401;
 
@@ -10,10 +11,12 @@ export class APIClient {
 		this.retrieveSessionUser = this.retrieveSessionUser.bind(this);
 		this.listUsers = this.listUsers.bind(this);
 		this.listRequests = this.listRequests.bind(this);
+		this.createUser = this.createUser.bind(this);
   	}
 
 	login(username, password) {
-	  	return this._callAPI('/login', { username, password }, 'POST')
+		  return this._callAPI('/login', { username, password }, 'POST')
+		  	.then(result => result.data);
 	}
 
 	logout() {
@@ -21,7 +24,8 @@ export class APIClient {
 	}
 
 	retrieveSessionUser() {
-	  	return this._callAPI('/me')
+		return this._callAPI('/me')
+		.then(result => result.data);
 	}
 
 	listUsers() {
@@ -36,6 +40,12 @@ export class APIClient {
 
 	}
 
+	createUser(username, password) {
+		return this._callAPI('/users', { username, password }, 'POST')
+			.then(this._withAPIErrorMiddleware('create_user'))
+			.then(result => result.data);
+	}
+
 	updateRequestStatus(reqID, newStatus) {
 
 	}
@@ -50,13 +60,27 @@ export class APIClient {
 		credentials: 'include',
 		body: JSON.stringify(body),
 	  })
-	  .then(res => {
-		if (res.status === UnauthorizedStatusCode) {
-			throw new UnauthorizedError();
-		}
-		return res;
-	  })
+	  .then(this._withUnauthorizedErrorMiddleware())
 	  .then(res => res.json())
 	}
 
+	_withUnauthorizedErrorMiddleware() {
+		return res => {
+			if (res.status === UnauthorizedStatusCode) {
+				throw new UnauthorizedError();
+			}
+			return res;
+		}
+	}
+
+	_withAPIErrorMiddleware(endpoint) {
+		return result => {
+			if (result.error) {
+				const { code, message, data } = result.error;
+				throw new APIError(endpoint, code, message, data);
+			}
+			return result;
+		}
+	}
+
 }