Completed API module

Added calls to an external API and JWT authentication to the webapplication

package.json

@@ -10,6 +10,7 @@
   "author": "Drew Bednar",
   "license": "MIT",
   "dependencies": {
+    "axios": "^0.17.1",
     "bulma": "^0.6.1",
     "express": "^4.16.2",
     "vue": "^2.5.6",

src/app.service.js

@@ -0,0 +1,60 @@
+import axios from 'axios'
+
+axios.defaults.baseURL = 'https://api.fullstackweekly.com'
+
+// To avoid adding the token to every request we make to a service we can
+// instead use an interceptor
+axios.interceptor.request.use(function (config) {
+  // added for when the code is running on a server for serverside rendering
+  if (typeof window === 'undefined') {
+    return config
+  }
+  const token = window.localStorage.getItem('token')
+  if (token) {
+    config.headers.Authorization = `Bearer ${token}`
+  }
+
+  return config
+})
+
+const appService = {
+  getPosts (categoryId) {
+    // I guess we can do some string format like operations here
+    // This is a promise so once it is resolved we will receive the response
+    return new Promise((resolve) => {
+      axios.get(`/wp-json/wp/v2/posts?categories=${categoryId}&per_page=6`)
+        .then(response => {
+          resolve(response.data)
+        })
+    })
+  }, // getPosts
+  getProfile () {
+    return new Promise((resolve) => {
+      axios.get('/services/profile.php' // ,
+        /*
+        {
+          headers: {
+            'Authorization': `Bearer ${window.localStorage.getItem('token')}`
+          }
+        }
+        */
+      )
+        .then(response => {
+          resolve(response.data)
+        })
+    })
+  }, // getProfile
+  login (credentials) { // credemtials will be a javascript object
+    // returns a new promise
+    return new Promise((resolve, reject) => {
+      axios.post('/services/auth.php', credentials)
+        .then(response => {
+          resolve(response.data)
+        }).catch(response => {
+          reject(response.status)
+        })
+    })
+  } // login
+}
+
+export default appService

src/theme/Category.vue

@@ -2,15 +2,16 @@
   <div class="columns">
     <div class="column is-one-third" v-for="(post, title) in posts" v-bind:key="post.id">
       <app-post>
-        <h3 slot="title">{{ post.title }}</h3>
-        <span slot="content">{{ post.content }}</span>
-        <a slot="link" class="card-footer-item" :href="post.link" target="_blank">Read More</a>
+        <h3 slot="title" v-html="post.title.rendered"></h3>
+        <span slot="content" v-html="post.excerpt.rendered"></span>
+        <a slot="link" class="card-footer-item" :href="post.rest_api_enabler.Link" target="_blank">Read More</a>
       </app-post>
     </div>
   </div>
 </template>
 <script>
   import Post from './Post.vue'
+  import appService from '../app.service.js'
   export default {
     components: {
       'app-post': Post
@@ -22,7 +23,7 @@
         // actually use the object to navigate by doing something like this.$route.push('/')
         // or obtain data like we are below
         id: this.$route.params.id,
-        postsFrontEnd: [
+        /* postsFrontEnd: [
           { id: 1, title: 'PWA Stats', content: 'A community-driven list of stats and news related to Progressive Web Apps', link: 'https://www.pwastats.com/' },
           { id: 2, title: 'A Comprehensive Guide To HTTP/2 Server Push', content: 'No longer is HTTP/2 a feature we pine for. It has arrived, and with it comes server push!', link: 'https://www.smashingmagazine.com/2017/04/guide-http2-server-push/' },
           { id: 3, title: 'So what’s this GraphQL thing I keep hearing about?', content: 'Why now is the perfect time to learn what exactly this GraphQL thing you keep hearing about really is.', link: 'https://medium.freecodecamp.com/so-whats-this-graphql-thing-i-keep-hearing-about-baf4d36c20cf' }
@@ -32,16 +33,19 @@
           { id: 5, title: 'Learning JavaScript Design Patterns', content: 'Design patterns are reusable solutions to commonly occurring problems in software design.', link: 'https://addyosmani.com/resources/essentialjsdesignpatterns/book/' },
           { id: 6, title: 'The Power of Custom Directives in Vue', content: 'The beautiful thing about Vue is that it\'s incredibly feature-rich.', link: 'https://css-tricks.com/power-custom-directives-vue/' }
         ],
+        */
         posts: []
       }
     },
     methods: {
       loadPosts () {
-        if (this.id === 'front-end') {
-          this.posts = this.postsFrontEnd
-        } else {
-          this.posts = this.postsMobile
+        let categoryId = 2 // For his wp this is the frontend category
+        if (this.id === 'mobile') {
+          categoryId = 11 // For his wp site this is the mobile category
         }
+        appService.getPosts(categoryId).then(data => {
+          this.posts = data
+        })
       }
     },
     watch: {

src/theme/Login.vue

@@ -1,5 +1,14 @@
 <template>
   <div class="content">
+  <div v-if="isAuthenticated">
+    <p>Hello isAuthenticated users!</p>
+    <p>Name: {{profile.firstName}}</p>
+    <p>Favorite Sandwich: {{profile.favoriteSandwich}}</p>
+    <button v-on:click="logout()" class="button is-primary">
+      Logout
+    </button>
+  </div>
+  <div v-else>
   	<h2>Login</h2>
   	<div class="field is-horizontal">
   		<div class="field-label is-normal">
@@ -8,7 +17,7 @@
   		<div class="field-body">
   		  <div class="field">
   			<div class="control">
-  			  <input class="input" type="text"
+  			  <input v-model="username" class="input" type="text"
   			  placeholder="Your username">
   			</div>
   		  </div>
@@ -21,7 +30,7 @@
   		<div class="field-body">
   		  <div class="field">
   			<div class="control">
-  			  <input class="input" type="password"
+  			  <input v-model="password" class="input" type="password"
   			  placeholder="Your password">
   			</div>
   		  </div>
@@ -34,7 +43,7 @@
   		<div class="field-body">
   		  <div class="field">
   			<div class="control">
-  			  <button class="button is-primary">
+  			  <button v-on:click="login()" class="button is-primary">
   				Login
   			  </button>
   			</div>
@@ -42,4 +51,59 @@
   		</div>
   	</div>
   </div>
+</div>
 </template>
+<script>
+  import appService from '../app.service.js'
+  export default {
+    data () {
+      return {
+        username: '',
+        password: '',
+        isAuthenticated: false,
+        profile: {}
+      }
+    }, // data,
+    methods: {
+      login () {
+        console.log('called login')
+        appService.login({username: this.username, password: this.password})
+          .then((data) => {
+            window.localStorage.setItem('token', data.token)
+            window.localStorage.setItem('tokenExpiration', data.expiration)
+            this.isAuthenticated = true
+            this.username = ''
+            this.password = ''
+          })
+          .catch(() => window.alert('Could not login!'))
+      }, // login
+      logout () {
+        window.localStorage.setItem('token', null)
+        window.localStorage.setItem('tokenExpiration', null)
+        this.isAuthenticated = false
+      } // logout
+    }, // methods
+    created () {
+      let expiration = window.localStorage.getItem('tokenExpiration')
+      var unixTimestamp = new Date().getTime() / 1000
+      if (expiration !== null && parseInt(expiration) - unixTimestamp > 0) {
+        this.isAuthenticated = true
+      }
+    }, // created
+    watch: {
+      // once isAuthenticated is set to true we will run the getProfile methods
+      // to update the webapp with the users profile information
+      isAuthenticated: function (val) {
+        console.log('Change in isAuthenticated status')
+        if (val) {
+          appService.getProfile()
+            .then(profile => {
+              this.profile = profile
+            })
+        } else {
+          this.profile = {}
+        }
+      } // watch isAuthenticated
+    }
+  }
+</script>