Update podcast and using exceptions

app/Controllers/Http/HomeController.js

@@ -0,0 +1,16 @@
+"use strict";
+
+const Podcast = use("App/Models/Podcast");
+
+class HomeController {
+  async index({ view }) {
+    const podcasts = await Podcast.query()
+      .orderBy("id", "desc")
+      .with("category")
+      .fetch();
+
+    return view.render("home", { podcasts: podcasts.toJSON() });
+  }
+}
+
+module.exports = HomeController;

app/Controllers/Http/PodcastController.js

@@ -5,6 +5,7 @@ const Podcast = use("App/Models/Podcast");
 const { validateAll } = use("Validator");
 const Helpers = use("Helpers");
 const uuid = require("uuid/v4");
+const UnauthorizedException = use("App/Exceptions/UnauthorizedException");
 
 class PodcastController {
   async create({ view }) {
@@ -28,19 +29,18 @@ class PodcastController {
     }
 
     const user = auth.user;
-    const logo = request.file("logo", {
-      types: ["image"],
-      size: "2mb"
-    });
+    const logo = await this._processLogoUpload(request);
 
     await logo.move(Helpers.publicPath("uploads/logos"), {
       name: `${uuid()}.${logo.subtype}`
     });
 
     if (!logo.moved()) {
       session.flash({
-        type: "danger",
-        message: logo.error().message
+        notification: {
+          type: danger,
+          message: logo.error().message
+        }
       });
 
       return response.redirect("back");
@@ -60,6 +60,86 @@ class PodcastController {
 
     return response.route("myPodcast");
   }
+
+  async edit({ view, params }) {
+    const podcast = await Podcast.findOrFail(params.id);
+    const categories = await Category.pair("id", "name");
+
+    return view.render("podcasts/edit", { podcast, categories });
+  }
+
+  async update({ params, request, response, session, auth }) {
+    const data = request.only([
+      "title",
+      "category_id",
+      "description",
+      "user_id"
+    ]);
+    const podcast = await Podcast.findOrFail(params.id);
+
+    const rules = {
+      title: "required",
+      category_id: "required",
+      description: "required"
+    };
+
+    const validation = await validateAll(data, rules);
+
+    if (auth.user.id !== podcast.user_id) {
+      throw new UnauthorizedException("You can only edit your podcast", 403);
+    }
+
+    if (validation.fails()) {
+      session.withErrors(validation.messages());
+
+      return response.redirect("back");
+    }
+
+    if (request.file("logo").size > 0) {
+      const logo = await this._processLogoUpload(request);
+
+      if (!logo.moved()) {
+        session.flash({
+          notification: {
+            type: danger,
+            message: logo.error().message
+          }
+        });
+
+        return response.redirect("back");
+      }
+
+      podcast.logo = `uploads/logos/${logo.fileName}`;
+    }
+
+    podcast.title = data.title;
+    podcast.category_id = data.category_id;
+    podcast.description = data.description;
+
+    await podcast.save();
+
+    session.flash({
+      notification: {
+        type: "success",
+        message: "Podcast updated!"
+      }
+    });
+
+    return response.route("myPodcast");
+  }
+
+  async _processLogoUpload(request) {
+    const logo = request.file("logo", {
+      types: ["image"],
+      size: "2mb"
+    });
+
+    await logo.move(Helpers.publicPath("uploads/logos"), {
+      name: `${uuid()}.${logo.subtype}`
+    });
+
+    return logo;
+  }
 }
 
 module.exports = PodcastController;

app/Controllers/Http/UserController.js

@@ -2,6 +2,12 @@
 const { validateAll } = use("Validator");
 const Hash = use("Hash");
 class UserController {
+  async myPodcast({ view, auth }) {
+    const podcast = await auth.user.podcast().fetch();
+
+    return view.render("users.my_podcast", { podcast });
+  }
+
   show({ view }) {
     return view.render("users.show");
   }

app/Exceptions/UnauthorizedException.js

@@ -0,0 +1,23 @@
+"use strict";
+
+const { LogicalException } = require("@adonisjs/generic-exceptions");
+
+class UnauthorizedException extends LogicalException {
+  /**
+   * Handle this exception by itself
+   */
+  async handle(error, { response, session }) {
+    session.flash({
+      notification: {
+        type: "danger",
+        message: error.message
+      }
+    });
+
+    await session.commit();
+
+    return response.route("myPodcast");
+  }
+}
+
+module.exports = UnauthorizedException;

app/Models/Podcast.js

@@ -21,7 +21,7 @@ class Podcast extends Model {
     return this.hasMany("App/Models/Episode");
   }
   category() {
-    return this.hasMany("App/Models/Category");
+    return this.belongsTo("App/Models/Category");
   }
 
   subscribers() {

app/Validators/Podcast.js → app/Validators/StorePodcast.js

@@ -1,6 +1,7 @@
 "use strict";
+const Podcast = use("App/Models/Podcast");
 
-class Podcast {
+class StorePodcast {
   get validateAll() {
     return true;
   }
@@ -14,4 +15,4 @@ class Podcast {
   }
 }
 
-module.exports = Podcast;
+module.exports = StorePodcast;

resources/views/home.edge

@@ -0,0 +1,44 @@
+@layout('layouts.app')
+
+@section('content')
+  @set('title', 'Your all round dev podcast')
+
+  <section class="section">
+    <div class="container">
+      <h2 class="subtitle is-3">Latest podcasts</h2>
+
+      <div class="columns is-multiline">
+        @each(podcast in podcasts)
+          <div class="column is-one-quarter">
+            <div class="card">
+              <div class="card-image">
+                <figure class="image is-3by2">
+                  <a href="{{ route('podcasts.show', { slug: podcast.slug }) }}">
+                    <img src="{{ assetsUrl(podcast.logo) }}" alt="Podcast logo">
+                  </a>
+                </figure>
+              </div>
+              <div class="card-content">
+                <div class="content">
+                  <a href="{{ route('podcasts.show', { slug: podcast.slug }) }}">
+                    {{ podcast.title }}
+                  </a>
+
+                  <div>
+                    <a href="{{ route('categories.show', { slug: podcast.category.slug }) }}">
+                      <span class="tag">
+                        {{ podcast.category.name }}
+                      </span>
+                    </a>
+                  </div>
+                </div>
+              </div>
+            </div>
+          </div>
+        @else
+          <p>No podcast to display.</p>
+        @endeach
+      </div>
+    </div>
+  </section>
+@endsection

resources/views/podcasts/edit.edge

@@ -0,0 +1,113 @@
+@layout('layouts.app')
+
+@section('content')
+  @set('title', 'Edit podcast')
+
+  <section class="section">
+    <div class="container">
+      <div class="columns">
+        <div class="column is-three-fifths is-offset-one-fifth">
+          <h2 class="title has-text-centered">Edit podcast</h2>
+
+          @include('layouts.partials._notification')
+
+          <form action="{{ '/podcasts/' + podcast.id + '?_method=PUT' }}" method="post" enctype="multipart/form-data">
+            {{ csrfField() }}
+
+            <div class="field is-horizontal">
+              <div class="field-label">
+                <label class="label">Title</label>
+              </div>
+              <div class="field-body">
+                <div class="field">
+                  <div class="control">
+                    <input
+                      type="text"
+                      class="input"
+                      name="title"
+                      value="{{ old('title', podcast.title) }}"
+                      placeholder="Podcast title">
+                  </div>
+
+                  {{ elIf('<p class="help is-danger">$self</p>', getErrorFor('title'), hasErrorFor('title')) }}
+                </div>
+              </div>
+            </div>
+
+            <div class="field is-horizontal">
+              <div class="field-label">
+                <label class="label">Category</label>
+              </div>
+              <div class="field-body">
+                <div class="field">
+                  <div class="control">
+                    <div class="select is-fullwidth">
+                      <select name="category_id">
+                        <option value="">Choose a category</option>
+                        @each((name, id) in categories)
+                          <option value="{{ id }}" {{ podcast.category_id == id ? 'selected': '' }}>{{ name }}</option>
+                        @endeach
+                      </select>
+                    </div>
+                  </div>
+
+                  {{ elIf('<p class="help is-danger">$self</p>', getErrorFor('category'), hasErrorFor('category')) }}
+                </div>
+              </div>
+            </div>
+
+            <div class="field is-horizontal">
+              <div class="field-label">
+                <label class="label">Logo</label>
+              </div>
+              <div class="field-body">
+                <div class="field">
+                  <div class="control">
+                    <input
+                      type="file"
+                      class="input"
+                      name="logo">
+                  </div>
+
+                  {{ elIf('<p class="help is-danger">$self</p>', getErrorFor('logo'), hasErrorFor('logo')) }}
+                </div>
+              </div>
+            </div>
+
+            <div class="field is-horizontal">
+              <div class="field-label">
+                <label class="label">Description</label>
+              </div>
+              <div class="field-body">
+                <div class="field">
+                  <div class="control">
+                    <textarea
+                      class="textarea"
+                      name="description"
+                      rows="10"
+                      placeholder="Give your podcast a description">{{ old('description', podcast.description) }}</textarea>
+                  </div>
+
+                  {{ elIf('<p class="help is-danger">$self</p>', getErrorFor('description'), hasErrorFor('description')) }}
+                </div>
+              </div>
+            </div>
+
+            <div class="field is-horizontal">
+              <div class="field-label"></div>
+              <div class="field-body">
+                <div class="field">
+                  <div class="control">
+                    <button class="button is-primary">
+                      Update podcast
+                    </button>
+                  </div>
+                </div>
+              </div>
+            </div>
+          </form>
+        </div>
+      </div>
+    </div>
+  </section>
+@endsection