#4: Comments can now be posted from a photo page in the gallery, and are saved in the database in the photo_comments table.

app/Http/Controllers/Gallery/PhotoCommentController.php

@@ -0,0 +1,50 @@
+<?php
+
+namespace App\Http\Controllers\Gallery;
+
+use App\Facade\UserConfig;
+use App\Helpers\DbHelper;
+use App\Http\Controllers\Controller;
+use App\PhotoComment;
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\App;
+use Illuminate\Support\Facades\Auth;
+
+class PhotoCommentController extends Controller
+{
+    public function store(Request $request, $albumUrlAlias, $photoFilename)
+    {
+        $album = DbHelper::getAlbumByPath($albumUrlAlias);
+        if (is_null($album))
+        {
+            App::abort(404);
+            return null;
+        }
+
+        $this->authorizeForUser($this->getUser(), 'view', $album);
+
+        $photo = PhotoController::loadPhotoByAlbumAndFilename($album, $photoFilename);
+
+        if (!UserConfig::get('allow_photo_comments'))
+        {
+            // Not allowed to post comments - redirect back to URL
+            return redirect($photo->url());
+        }
+
+        $comment = new PhotoComment();
+        $comment->photo_id = $photo->id;
+        $comment->fill($request->only(['commentor_email', 'commentor_name', 'comment_text']));
+
+        $user = $this->getUser();
+        if (!is_null($user) && !$user->isAnonymous())
+        {
+            $comment->created_user_id = $user->id;
+        }
+
+        $comment->save();
+
+        $request->getSession()->flash('success', trans('gallery.photo_comment_posted_successfully'));
+
+        return redirect($photo->url());
+    }
+}

app/Http/Controllers/Gallery/PhotoController.php

@@ -157,7 +157,8 @@ class PhotoController extends Controller
             'is_original_allowed' => $isOriginalAllowed,
             'next_photo' => $nextPhoto,
             'photo' => $photo,
-            'previous_photo' => $previousPhoto
+            'previous_photo' => $previousPhoto,
+            'success' => $request->getSession()->get('success')
         ]);
     }
 

app/Photo.php

@@ -77,6 +77,14 @@ class Photo extends Model
         return $this->belongsToMany(Label::class, 'photo_labels');
     }
 
+    public function postCommentUrl()
+    {
+        return route('postPhotoComment', [
+            'albumUrlAlias' => $this->album->url_path,
+            'photoFilename' => $this->storage_file_name
+        ]);
+    }
+
     public function thumbnailUrl($thumbnailName = null, $cacheBust = true)
     {
         $url = $this->album->getAlbumSource()->getUrlToPhoto($this, $thumbnailName);

app/PhotoComment.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace App;
+
+use Illuminate\Database\Eloquent\Model;
+
+class PhotoComment extends Model
+{
+    /**
+     * The attributes that are mass assignable.
+     *
+     * @var array
+     */
+    protected $fillable = [
+        'commentor_name',
+        'commentor_email',
+        'comment_text'
+    ];
+}

database/migrations/2018_09_17_132906_create_photo_comments_table.php

@@ -0,0 +1,52 @@
+<?php
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class CreatePhotoCommentsTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('photo_comments', function (Blueprint $table) {
+            $table->bigIncrements('id');
+            $table->unsignedBigInteger('photo_id');
+            $table->string('commentor_name');
+            $table->string('commentor_email');
+            $table->text('comment_text');
+            $table->unsignedInteger('created_user_id')->nullable(true);
+            $table->unsignedInteger('approved_user_id')->nullable(true);
+            $table->dateTime('approved_at')->nullable(true);
+            $table->unsignedBigInteger('parent_comment_id')->nullable(true);
+            $table->timestamps();
+
+            $table->foreign('photo_id')
+                ->references('id')->on('photos')
+                ->onDelete('cascade');
+            $table->foreign('created_user_id')
+                ->references('id')->on('users')
+                ->onDelete('cascade');
+            $table->foreign('approved_user_id')
+                ->references('id')->on('users')
+                ->onDelete('cascade');
+            $table->foreign('parent_comment_id')
+                ->references('id')->on('photo_comments')
+                ->onDelete('cascade');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('photo_comments');
+    }
+}

resources/lang/en/forms.php

@@ -26,6 +26,7 @@ return [
     'edit_action' => 'Edit',
     'edit_album_action' => 'Edit this album',
     'email_label' => 'E-mail address:',
+    'email_placeholder' => 'name@example.com',
     'enable_profile_page_label' => 'Allow others to see my profile page',
     'inherit_album_permissions' => 'Inherit permissions from parent album',
     'labels_label' => 'Labels:',
@@ -35,6 +36,8 @@ return [
     'parent_album_placeholder' => 'None (top-level album)',
     'password_label' => 'Password:',
     'password_confirm_label' => 'Confirm password:',
+    'photo_comment_submit_action' => 'Post comment',
+    'photo_comment_text_label' => 'Your message/comments:',
     'please_select' => '- Select an Option -',
     'private_album_label' => 'Private album (only visible to me)',
     'profile_alias_label' => 'Alias:',

resources/lang/en/gallery.php

@@ -33,6 +33,10 @@ return [
     'other_albums_description' => 'You may also be interested in the following albums.',
     'other_albums_description_empty' => 'The <b>:album_name</b> album does not contain any photos - however you may also be interested in the following albums.',
     'other_albums_heading' => 'More Albums in :album_name',
+    'photo_comment_posted_successfully' => 'Your comment was posted successfully and will appear after it has been moderated.',
+    'photo_comments_heading' => 'Comments',
+    'photo_comments_reply_form_heading' => 'Leave a reply',
+    'photo_comments_reply_form_p1' => 'Complete the form below to start a new reply thread.',
     'photos' => 'photo|photos',
     'previous_button' => '&laquo; Previous Photo',
     'show_more_albums' => '... and :count other|... and :count others',

resources/views/themes/base/gallery/photo.blade.php

@@ -21,7 +21,7 @@
         </div>
 
         <div class="row">
-            <div class="col-md-8 content-body">
+            <div class="col-lg-8 content-body">
                 @if ($is_original_allowed)
                     <a href="{{ $photo->thumbnailUrl() }}">
                 @endif
@@ -44,7 +44,7 @@
                 </div>
 
                 @if ($photo->labels()->count() > 0)
-                    <h4>@lang('gallery.labels')</h4>
+                    <h2 class="h4">@lang('gallery.labels')</h2>
                     <ul class="nav nav-pills mb-4">
                         @foreach ($photo->labels()->orderBy('name')->get() as $label)
                             <li class="nav-item">
@@ -55,9 +55,13 @@
                         @endforeach
                     </ul>
                 @endif
+
+                @if (UserConfig::get('allow_photo_comments'))
+                    @include (Theme::viewName('partials.gallery_photo_comments'))
+                @endif
             </div>
 
-            <div class="col-md-4">
+            <div class="col-lg-4">
                 <div class="card">
                     <div class="card-header">Information about this photo:</div>
                     <div class="card-body" style="padding: 0;">

resources/views/themes/base/gallery/photo_comments_reply_form.blade.php

@@ -0,0 +1,22 @@
+<form action="{{ $photo->postCommentUrl() }}" method="post">
+    {{ csrf_field() }}
+
+    <div class="form-group">
+        <label for="commentor-name">@lang('forms.name_label')</label>
+        <input type="text" class="form-control" id="commentor-name" name="commentor_name"/>
+    </div>
+
+    <div class="form-group">
+        <label for="commentor-email">@lang('forms.email_label')</label>
+        <input type="email" class="form-control" id="commentor-email" name="commentor_email" placeholder="@lang('forms.email_placeholder')"/>
+    </div>
+
+    <div class="form-group">
+        <label for="comment-text">@lang('forms.photo_comment_text_label')</label>
+        <textarea class="form-control" id="comment-text" name="comment_text" rows="10"></textarea>
+    </div>
+
+    <div class="form-group text-right">
+        <button type="submit" class="btn btn-success">@lang('forms.photo_comment_submit_action')</button>
+    </div>
+</form>

resources/views/themes/base/partials/gallery_photo_comments.blade.php

@@ -0,0 +1,10 @@
+<div class="row">
+    <div class="col mt-4">
+        <h2>@lang('gallery.photo_comments_heading')</h2>
+
+        <h3>@lang('gallery.photo_comments_reply_form_heading')</h3>
+        <p>@lang('gallery.photo_comments_reply_form_p1')</p>
+        <hr/>
+        @include(Theme::viewName('gallery.photo_comments_reply_form'))
+    </div>
+</div>

routes/web.php

@@ -106,6 +106,9 @@ Route::get('a/{albumUrlAlias}', 'Gallery\AlbumController@index')
 Route::get('exif/{albumUrlAlias}/{photoFilename}', 'Gallery\PhotoController@showExifData')
     ->name('viewExifData')
     ->where('albumUrlAlias', '.*');
+Route::post('p/{albumUrlAlias}/{photoFilename}/comments', 'Gallery\PhotoCommentController@store')
+    ->name('postPhotoComment')
+    ->where('albumUrlAlias', '.*');
 Route::get('p/{albumUrlAlias}/{photoFilename}', 'Gallery\PhotoController@show')
     ->name('viewPhoto')
     ->where('albumUrlAlias', '.*');