add login hook to frontend

packages/play-node-go/play-node-go/src/components/Login/Login.js

@@ -1,13 +1,77 @@
 import React, { useState } from 'react';
 import './Login.scss';
+import authServices from '../../services/authServices';
+import FormError from '../FormError/FormError';
 
 const Login = (props) => {
   const [username, setUsername] = useState('');
   const [password, setPassword] = useState('');
+  const minimumPasswordLength = 8;
+  const errorDispatchAction = {
+    type: 'ERR',
+    message: 'AUTH_ERROR'
+  }
+
+  const validateLoginForm = next => {
+    if (password.length < minimumPasswordLength) {
+      return props.dispatch({
+        ...errorDispatchAction,
+        body: { authError: 'This password is invalid'}
+      })
+    }
+
+    if (!/^[\w\d_.-]+$/.test(username)) {
+      return props.dispatch({
+        ...errorDispatchAction,
+        body: { authError: "This username is invalid"}
+      })
+    }
+    
+    next();
+  }
+
+
+  const postLoginForm = async () => {
+    const loginResponse = await authServices.loginService({
+      username,
+      password
+    })
+    const parsedResponse = JSON.parse(loginResponse);
+    if (parsedResponse.errors) {
+      const authError = parsedResponse.errors
+      return props.dispatch({
+        ...errorDispatchAction,
+        body: { authError }
+      })
+    }
+
+    return props.dispatch({
+      type: 'AUTH',
+      message: 'LOGIN',
+      body: parsedResponse
+    })
+  }
+
+  const handleSubmit = e => {
+    e.preventDefault();
+    validateLoginForm(postLoginForm);
+  }
+
+  const formError = errors => {
+    if(!errors) return <></>;
+
+    if (errors.auth) {
+      return <FormError error={errors.auth}/>
+    }
+  }
 
   return (
     <div className="Login" data-testid="Login">
-      <form data-testid="Login__form">
+      {formError(props.state.errors)}
+      <form 
+        data-testid="Login__form"
+        onSubmit={e => handleSubmit(e)}
+      >
 
       <label htmlFor="username-input">Username:</label>
         <input 

packages/play-node-go/play-node-go/src/components/Login/Login.test.js

@@ -1,9 +1,11 @@
 import React from 'react';
 import { render } from '@testing-library/react';
 import Login from './Login';
+import { initState } from '../../reducers/init/stateReducer.init';
 
 test('renders Login without crashing', () => {
-  const { getByTestId } = render(<Login />);
+  const state = initState();
+  const { getByTestId } = render(<Login state={state}/>);
   const LoginDiv = getByTestId('Login');
   expect(LoginDiv).toBeInTheDocument();
 });

packages/play-node-go/play-node-go/src/components/Signup/Signup.js

@@ -70,7 +70,7 @@ const Signup = (props) => {
     })
   }
 
-  const handleSubmit = async e => {
+  const handleSubmit = e => {
     e.preventDefault();
     validateSignupForm(postSignupForm);
   }

packages/play-node-go/play-node-go/src/reducers/auth/stateReducer.auth.js

@@ -7,7 +7,7 @@ export const authReducer = (state: state, action: action):state => {
       return loginReducer(state, action);
       
     case 'SIGNUP':
-      return signupReducer(state, action);
+      return loginReducer(state, action);
 
     case 'LOGOUT':
       return state;
@@ -18,13 +18,6 @@ export const authReducer = (state: state, action: action):state => {
 }
 
 function loginReducer(state: state, action: action): state {
-  const userCredentials = action.body;
-
-
-  return state;
-}
-
-function signupReducer(state: state, action: action): state {
   const newUser = action.body;
   return {...state, user: newUser };  
 }

packages/play-node-go/play-node-go/src/services/authServices.js

@@ -9,8 +9,19 @@ headers.append('Content-Type', 'application/json');
 headers.append('Accept', 'application/json');
 headers.append('Sec-Fetch-Site', 'cross-site')
 
-const loginService = () => {
+const loginService = async(formData) => {
-
+  const response = await fetch(loginEndpoint, {
+    method: 'POST',
+    credentials: 'include',
+    body: JSON.stringify(formData),
+    headers: headers
+  })
+  .then(res => {
+    return res.text();
+  }).catch(err => {
+    return err;
+  });
+  return response;
 }
 
 const signupService = async (formData) => {

packages/play-node-go/play-node-go/src/services/authServices.test.js

@@ -16,7 +16,8 @@ describe('signupService', () => {
 });
 
 describe('loginService', () => {
-  it('', () => {
+  it('login is successful', async () => {
-
+    // const response = await loginService(newUserFormData);
+    // console.log(response);
   });
 });

packages/play-node-go/server/controllers/auth.js

@@ -45,25 +45,25 @@ const login = async (req, res, next) => {
     const savedUser = queryResults[0] || null;
 
     if (!savedUser) {
-      return res.status(401).json({err: 'bad credentials'});
+      return res.status(401).send({errors: 'bad credentials'});
     }
     
     const hashedPassword = savedUser.password;
     const passwordMatch = await compareHash(user.password, hashedPassword);
 
     if (!passwordMatch) {
-      return res.status(401).json({err: 'bad credentials'});
+      return res.status(401).send({errors: 'bad credentials'});
     }
     
     const authorizedUser = {...savedUser};
     delete authorizedUser.password;
     
     signToken(res, authorizedUser);
-    res.send('ok').status(200);
+    res.send({...authorizedUser}).status(200);
   }
   
   catch (err) {
-    res.status(500).json(err);
+    res.status(500).send({errors: err});
   }
 }
 

packages/play-node-go/server/test/auth.login.spec.js

@@ -19,7 +19,7 @@ const authSignupSpec = (chai, knex, server) => {
     .end((err, res) => {
       if (err) done(err);
       res.should.status(401);
-      res.body.err.should.equal('bad credentials');
+      res.body.errors.should.equal('bad credentials');
       done();
     });
   })
@@ -32,7 +32,7 @@ const authSignupSpec = (chai, knex, server) => {
     .end((err, res) => {
       if (err) done(err);
       res.should.status(401);
-      res.body.err.should.equal('bad credentials');
+      res.body.errors.should.equal('bad credentials');
       done();
     })
   })