From b1241d89272d2787d822f474f0b9d7e49e74172e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pawe=C5=82=20Malak?= <pawel999@icloud.com>
Date: Mon, 18 Oct 2021 16:12:06 +0200
Subject: [PATCH] Added AuthContext. Protected routes and functionality based
 on isAuthenticated property

---
 client/src/App.tsx                            | 27 ++++++----
 client/src/components/Navigation/Navbar.tsx   | 27 +++++++---
 client/src/components/Navigation/routes.json  |  9 ++--
 .../components/Snippets/SnippetDetails.tsx    | 53 ++++++++++---------
 client/src/components/Snippets/SnippetPin.tsx | 21 +++++---
 client/src/store/AuthContext.tsx              | 29 ++++++++++
 client/src/store/SnippetsContext.tsx          |  9 ++--
 client/src/store/index.ts                     |  1 +
 client/src/typescript/interfaces/Context.ts   |  7 ++-
 client/src/typescript/interfaces/Route.ts     |  1 +
 client/src/utils/ProtectedRoute.tsx           | 15 ++++++
 client/src/utils/index.ts                     |  1 +
 12 files changed, 140 insertions(+), 60 deletions(-)
 create mode 100644 client/src/store/AuthContext.tsx
 create mode 100644 client/src/utils/ProtectedRoute.tsx

diff --git a/client/src/App.tsx b/client/src/App.tsx
index 73dd8e2..5fab494 100644
--- a/client/src/App.tsx
+++ b/client/src/App.tsx
@@ -1,20 +1,25 @@
 import { BrowserRouter, Switch, Route } from 'react-router-dom';
 import { Navbar } from './components/Navigation/Navbar';
-import { Editor, Home, Snippet, Snippets } from './containers';
-import { SnippetsContextProvider } from './store';
+import { Editor, Home, Snippet, Snippets, Auth } from './containers';
+import { AuthContextProvider, SnippetsContextProvider } from './store';
+import { ProtectedRoute } from './utils';
 
 export const App = () => {
   return (
     <BrowserRouter>
-      <SnippetsContextProvider>
-        <Navbar />
-        <Switch>
-          <Route exact path='/' component={Home} />
-          <Route path='/snippets' component={Snippets} />
-          <Route path='/snippet/:id' component={Snippet} />
-          <Route path='/editor/:id?' component={Editor} />
-        </Switch>
-      </SnippetsContextProvider>
+      <AuthContextProvider>
+        <SnippetsContextProvider>
+          <Navbar />
+          <Switch>
+            <Route exact path='/' component={Home} />
+            <Route path='/snippets' component={Snippets} />
+            <Route path='/snippet/:id' component={Snippet} />
+            <Route path='/snippet/:id' component={Snippet} />
+            <Route path='/auth' component={Auth} />
+            <ProtectedRoute path='/editor/:id?' component={Editor} />
+          </Switch>
+        </SnippetsContextProvider>
+      </AuthContextProvider>
     </BrowserRouter>
   );
 };
diff --git a/client/src/components/Navigation/Navbar.tsx b/client/src/components/Navigation/Navbar.tsx
index 2ef7d92..461c6f9 100644
--- a/client/src/components/Navigation/Navbar.tsx
+++ b/client/src/components/Navigation/Navbar.tsx
@@ -1,21 +1,34 @@
 import { NavLink } from 'react-router-dom';
 import { Route } from '../../typescript/interfaces';
 import { routes as clientRoutes } from './routes.json';
+import { useContext } from 'react';
+import { AuthContext } from '../../store';
 
 export const Navbar = (): JSX.Element => {
   const routes = clientRoutes as Route[];
+  const { isAuthenticated } = useContext(AuthContext);
 
   return (
     <nav className='navbar navbar-dark bg-dark navbar-expand'>
       <div className='container-fluid'>
         <ul className='navbar-nav'>
-          {routes.map(({ name, dest }, idx) => (
-            <li className='nav-item' key={idx}>
-              <NavLink exact to={dest} className='nav-link'>
-                {name}
-              </NavLink>
-            </li>
-          ))}
+          {isAuthenticated
+            ? routes.map((route, idx) => (
+                <li className='nav-item' key={idx}>
+                  <NavLink exact to={route.dest} className='nav-link'>
+                    {route.name}
+                  </NavLink>
+                </li>
+              ))
+            : routes
+                .filter(r => r.isPublic)
+                .map((route, idx) => (
+                  <li className='nav-item' key={idx}>
+                    <NavLink exact to={route.dest} className='nav-link'>
+                      {route.name}
+                    </NavLink>
+                  </li>
+                ))}
         </ul>
       </div>
     </nav>
diff --git a/client/src/components/Navigation/routes.json b/client/src/components/Navigation/routes.json
index b2db906..b07cf9d 100644
--- a/client/src/components/Navigation/routes.json
+++ b/client/src/components/Navigation/routes.json
@@ -2,15 +2,18 @@
   "routes": [
     {
       "name": "Home",
-      "dest": "/"
+      "dest": "/",
+      "isPublic": true
     },
     {
       "name": "Snippets",
-      "dest": "/snippets"
+      "dest": "/snippets",
+      "isPublic": true
     },
     {
       "name": "Editor",
-      "dest": "/editor"
+      "dest": "/editor",
+      "isPublic": false
     }
   ]
 }
diff --git a/client/src/components/Snippets/SnippetDetails.tsx b/client/src/components/Snippets/SnippetDetails.tsx
index 016ec94..b7c46cc 100644
--- a/client/src/components/Snippets/SnippetDetails.tsx
+++ b/client/src/components/Snippets/SnippetDetails.tsx
@@ -1,6 +1,6 @@
-import { useContext } from 'react';
+import { Fragment, useContext } from 'react';
 import { useHistory } from 'react-router-dom';
-import { SnippetsContext } from '../../store';
+import { SnippetsContext, AuthContext } from '../../store';
 import { Snippet } from '../../typescript/interfaces';
 import { dateParser } from '../../utils';
 import { Badge, Button, Card } from '../UI';
@@ -27,14 +27,11 @@ export const SnippetDetails = (props: Props): JSX.Element => {
   const history = useHistory();
 
   const { deleteSnippet, setSnippet } = useContext(SnippetsContext);
+  const { isAuthenticated } = useContext(AuthContext);
 
   const creationDate = dateParser(createdAt);
   const updateDate = dateParser(updatedAt);
 
-  // const copyHandler = () => {
-  //   copy(code);
-  // };
-
   return (
     <Card>
       <h5 className='card-title d-flex align-items-center justify-content-between'>
@@ -74,27 +71,31 @@ export const SnippetDetails = (props: Props): JSX.Element => {
 
       {/* ACTIONS */}
       <div className='d-grid g-2' style={{ rowGap: '10px' }}>
-        <Button
-          text='Delete'
-          color='danger'
-          small
-          outline
-          handler={() => deleteSnippet(id)}
-        />
+        {isAuthenticated && (
+          <Fragment>
+            <Button
+              text='Delete'
+              color='danger'
+              small
+              outline
+              handler={() => deleteSnippet(id)}
+            />
 
-        <Button
-          text='Edit'
-          color='secondary'
-          small
-          outline
-          handler={() => {
-            setSnippet(id);
-            history.push({
-              pathname: `/editor/${id}`,
-              state: { from: window.location.pathname }
-            });
-          }}
-        />
+            <Button
+              text='Edit'
+              color='secondary'
+              small
+              outline
+              handler={() => {
+                setSnippet(id);
+                history.push({
+                  pathname: `/editor/${id}`,
+                  state: { from: window.location.pathname }
+                });
+              }}
+            />
+          </Fragment>
+        )}
 
         <Button
           text='Copy raw url'
diff --git a/client/src/components/Snippets/SnippetPin.tsx b/client/src/components/Snippets/SnippetPin.tsx
index 2afa6cb..5acc8af 100644
--- a/client/src/components/Snippets/SnippetPin.tsx
+++ b/client/src/components/Snippets/SnippetPin.tsx
@@ -1,5 +1,5 @@
-import { useContext } from 'react';
-import { SnippetsContext } from '../../store';
+import { Fragment, useContext } from 'react';
+import { SnippetsContext, AuthContext } from '../../store';
 import Icon from '@mdi/react';
 import { mdiPin, mdiPinOutline } from '@mdi/js';
 
@@ -10,15 +10,20 @@ interface Props {
 
 export const SnippetPin = (props: Props): JSX.Element => {
   const { toggleSnippetPin } = useContext(SnippetsContext);
+  const { isAuthenticated } = useContext(AuthContext);
   const { id, isPinned } = props;
 
   return (
-    <div onClick={() => toggleSnippetPin(id)} className='cursor-pointer'>
-      {isPinned ? (
-        <Icon path={mdiPin} size={0.8} color='#20c997' />
-      ) : (
-        <Icon path={mdiPinOutline} size={0.8} color='#ced4da' />
+    <Fragment>
+      {isAuthenticated && (
+        <div onClick={() => toggleSnippetPin(id)} className='cursor-pointer'>
+          {isPinned ? (
+            <Icon path={mdiPin} size={0.8} color='#20c997' />
+          ) : (
+            <Icon path={mdiPinOutline} size={0.8} color='#ced4da' />
+          )}
+        </div>
       )}
-    </div>
+    </Fragment>
   );
 };
diff --git a/client/src/store/AuthContext.tsx b/client/src/store/AuthContext.tsx
new file mode 100644
index 0000000..7316c1c
--- /dev/null
+++ b/client/src/store/AuthContext.tsx
@@ -0,0 +1,29 @@
+import { useState, createContext, ReactNode } from 'react';
+
+import { AuthContext as Context } from '../typescript/interfaces';
+
+export const AuthContext = createContext<Context>({
+  isAuthenticated: false,
+  login: () => {}
+});
+
+interface Props {
+  children: ReactNode;
+}
+
+export const AuthContextProvider = (props: Props): JSX.Element => {
+  const login = async (formData: { email: string; password: string }) => {
+    console.table(formData);
+  };
+
+  const context: Context = {
+    isAuthenticated: false,
+    login
+  };
+
+  return (
+    <AuthContext.Provider value={context}>
+      {props.children}
+    </AuthContext.Provider>
+  );
+};
diff --git a/client/src/store/SnippetsContext.tsx b/client/src/store/SnippetsContext.tsx
index 474ea8b..261224a 100644
--- a/client/src/store/SnippetsContext.tsx
+++ b/client/src/store/SnippetsContext.tsx
@@ -1,8 +1,9 @@
-import { useState, createContext } from 'react';
+import { useState, createContext, ReactNode } from 'react';
 import { useHistory } from 'react-router-dom';
 import axios from 'axios';
+
 import {
-  Context,
+  SnippetsContext as Context,
   Snippet,
   Response,
   TagCount,
@@ -27,7 +28,7 @@ export const SnippetsContext = createContext<Context>({
 });
 
 interface Props {
-  children: JSX.Element | JSX.Element[];
+  children: ReactNode;
 }
 
 export const SnippetsContextProvider = (props: Props): JSX.Element => {
@@ -153,7 +154,7 @@ export const SnippetsContextProvider = (props: Props): JSX.Element => {
       .catch(err => console.log(err));
   };
 
-  const context = {
+  const context: Context = {
     snippets,
     searchResults,
     currentSnippet,
diff --git a/client/src/store/index.ts b/client/src/store/index.ts
index 0d1afdf..efc489c 100644
--- a/client/src/store/index.ts
+++ b/client/src/store/index.ts
@@ -1 +1,2 @@
 export * from './SnippetsContext';
+export * from './AuthContext';
diff --git a/client/src/typescript/interfaces/Context.ts b/client/src/typescript/interfaces/Context.ts
index 7e154e0..531ddb7 100644
--- a/client/src/typescript/interfaces/Context.ts
+++ b/client/src/typescript/interfaces/Context.ts
@@ -1,6 +1,6 @@
 import { TagCount, NewSnippet, Snippet, SearchQuery } from '.';
 
-export interface Context {
+export interface SnippetsContext {
   snippets: Snippet[];
   searchResults: Snippet[];
   currentSnippet: Snippet | null;
@@ -15,3 +15,8 @@ export interface Context {
   countTags: () => void;
   searchSnippets: (query: SearchQuery) => void;
 }
+
+export interface AuthContext {
+  isAuthenticated: boolean;
+  login: (formData: { email: string; password: string }) => void;
+}
diff --git a/client/src/typescript/interfaces/Route.ts b/client/src/typescript/interfaces/Route.ts
index 9d571dd..3dc9c02 100644
--- a/client/src/typescript/interfaces/Route.ts
+++ b/client/src/typescript/interfaces/Route.ts
@@ -1,4 +1,5 @@
 export interface Route {
   name: string;
   dest: string;
+  isPublic: boolean;
 }
diff --git a/client/src/utils/ProtectedRoute.tsx b/client/src/utils/ProtectedRoute.tsx
new file mode 100644
index 0000000..54a5d13
--- /dev/null
+++ b/client/src/utils/ProtectedRoute.tsx
@@ -0,0 +1,15 @@
+import { Redirect, Route, RouteProps } from 'react-router';
+import { useContext } from 'react';
+import { AuthContext } from '../store';
+
+// interface Props extends RouteProps {}
+
+export const ProtectedRoute = ({ ...rest }: RouteProps) => {
+  const { isAuthenticated } = useContext(AuthContext);
+
+  if (isAuthenticated) {
+    return <Route {...rest} />;
+  } else {
+    return <Redirect to='/auth' />;
+  }
+};
diff --git a/client/src/utils/index.ts b/client/src/utils/index.ts
index c2d8f34..60912ec 100644
--- a/client/src/utils/index.ts
+++ b/client/src/utils/index.ts
@@ -2,3 +2,4 @@ export * from './dateParser';
 export * from './badgeColor';
 export * from './findLanguage';
 export * from './searchParser';
+export * from './ProtectedRoute';