SessionManager => Add login function

NodeApp/src/managers/SessionManager.ts

@@ -2,6 +2,9 @@ import * as jwt        from 'jsonwebtoken';
 import User                  from '../models/User';
 import LocalConfig           from '../Config/LocalConfig/LocalConfig';
 import LocalConfigKeys       from '../Config/LocalConfig/LocalConfigKeys';
+import axios, { AxiosError } from 'axios';
+import logger                from '../shared/logging/WinstonLogger';
+import HttpManager           from './HttpManager';
 
 
 class SessionManager {
@@ -41,6 +44,28 @@ class SessionManager {
         LocalConfig.updateConfig(LocalConfigKeys.API_TOKEN, token);
     }
 
+    async login(user: string, password: string) {
+        try {
+            const response = await axios.post(HttpManager.LOGIN_URL, {
+                user    : user,
+                password: password
+            }, {
+                                                  headers: {
+                                                      'Content-Type': 'multipart/form-data'
+                                                  }
+                                              });
+
+            logger.info('Login successful');
+        } catch ( error ) {
+            if ( error instanceof AxiosError ) {
+                if ( error.response && error.response.status === 404 ) {
+                    logger.error(`User not found or password incorrect`);
+                }
+            } else {
+                logger.error(`Login error: ${ error }`);
+            }
+        }
+    }
 }