FEATURE: add possibilityy to upload and assign files to content pages

app/Handlers/Handler.php

@@ -1,7 +1,6 @@
 <?php
 namespace App\Handlers;
 
-use App\Enumerations\ModuleNamesWithIds;
 use App\Enumerations\TemplatePathsHumanReadableRootOnly;
 use App\Enumerations\WidgetTypes;
 use App\Handlers\Contracts\AppHandler;
@@ -29,7 +28,8 @@ abstract class Handler implements AppHandler
             'basicInfo'   => trans('admin/contents.basicInfo'),
             'meta'        => trans('admin/contents.metaOptions'),
             'publication' => trans('admin/contents.publicationOptions'),
-            'appearance'  => trans('admin/contents.appearance')
+            'appearance'  => trans('admin/contents.appearance'),
+            'files'       => trans('admin/contents.files')
         ];
     }
 
@@ -40,6 +40,7 @@ abstract class Handler implements AppHandler
             'meta'        => 'admin.content.formParts.metaInformation',
             'publication' => 'admin.content.formParts.publicationSetup',
             'appearance'  => 'admin.content.formParts.appearance',
+            'files'       => 'admin.content.formParts.files'
         ];
     }
 

app/Handlers/History.php

@@ -25,6 +25,15 @@ class History implements HistoryHandler
                 break;
             case 'metaDescription':
                 return Differ::htmlDiff($changeset->old_value, $changeset->new_value);
+                break;
+            case 'file':
+                if (!$changeset->old_value) {
+                    // old value is null -> new file was uploaded
+                    return trans('admin/history.uploadedFile', ['file' => $changeset->new_value]);
+                } else {
+                    return trans('admin/history.deletedFile', ['file' => $changeset->old_value]);
+                }
+
                 break;
             case 'status':
                 $statuses = ContentStatuses::getWithTranslations();

app/Http/Controllers/Admin/CreateNewContent.php

@@ -4,7 +4,10 @@ namespace App\Http\Controllers\Admin;
 use App\Enumerations\ActiveContentStatuses;
 use App\Events\CreateNewContent as CreateNewContentEvent;
 use App\Http\Requests\CreateNewContentRequest;
+use App\Http\Requests\Request;
 use App\Models\Content;
+use App\Models\ContentHasFile;
+use App\Models\Directory;
 use App\Models\File;
 use App\Models\Module;
 use App\Models\Template;
@@ -105,17 +108,16 @@ class CreateNewContent extends Controller
         }
 
         // upload file - if provided
-        if ($request->hasFile('titlePhoto')) {
-            $file = $this->file->upload($request->file('titlePhoto'), $request);
-
-            $page->title_photo = $file['filename'];
-        }
+        $page->uploadTitlePhoto($request);
 
         // save module-specific stuff
         call_user_func_array([$module->handler, 'createNew'], [&$page, $request]);
 
         $page->save();
 
+        // upload files assigned to content page
+        $page->uploadRelatedFiles($request);
+
         // fire event about creating new content page
         Event::fire(new CreateNewContentEvent($page));
 

app/Http/Controllers/Admin/EditContent.php

@@ -87,6 +87,9 @@ class EditContent extends Controller
     public function postEdit(EditContentRequest $request, $id)
     {
         try {
+            /**
+             * @var $page Content
+             */
             $page = Content::findOrFail($id);
         } catch (NotFoundHttpException $e) {
 
@@ -104,11 +107,7 @@ class EditContent extends Controller
         $request->titlePhotoFilename = $page->title_photo;
 
         // upload file - if provided
-        if ($request->hasFile('titlePhoto')) {
-            $file = $this->file->upload($request->file('titlePhoto'), $request);
-
-            $request->titlePhotoFilename = $file['filename'];
-        }
+        $page->uploadTitlePhoto($request);
 
         // array of fields in database and fields from request
         $fields = [
@@ -130,6 +129,7 @@ class EditContent extends Controller
         list($revision, $changedColumns) = $page->updateWithHistory($fields, $data);
 
         $changedColumns += call_user_func_array([$page->module_handler, 'edit'], [&$page, $request, $revision]);
+        $changedColumns += $page->uploadRelatedFiles($request, $revision);
 
         // was something changed?
         if ($changedColumns == 0) {

app/Models/Content.php

@@ -3,7 +3,9 @@
 namespace App\Models;
 
 use App\Enumerations\ContentStatuses;
+use App\Http\Requests\Request;
 use Illuminate\Database\Eloquent\Model;
+use Illuminate\Support\Facades\App;
 use Illuminate\Support\Facades\DB;
 use Mcamara\LaravelLocalization\Facades\LaravelLocalization;
 
@@ -38,6 +40,17 @@ class Content extends Model
     const STATUS_DRAFT = 'draft';
     const STATUS_PROTECTED = 'protected';
     const STATUS_PUBLIC = 'public';
+    /**
+     * @var File
+     */
+    private $file;
+
+    public function __construct(array $attributes = [])
+    {
+        parent::__construct($attributes);
+
+        $this->file = App::make(File::class);
+    }
 
     /**
      * Getter for query with setup filter for non-deleted and non-draft pages
@@ -209,7 +222,7 @@ class Content extends Model
      * @param array  $request
      * @param string $revisionId
      *
-     * @return int number of changed columns
+     * @return array revisionID and number of changed columns
      */
     public function updateWithHistory(array $fields, array $request, $revisionId = null)
     {
@@ -247,18 +260,7 @@ class Content extends Model
 
             if (trim($fieldValue) != $request[$fieldRequest]) {
 
-                // setup history object
-                $history = [
-                    'user_id'    => \Auth::user()->id,
-                    'content_id' => $this->id,
-                    'edit_batch' => $revisionId,
-                    'column'     => $fieldRequest,
-                    'old_value'  => $fieldValue,
-                    'new_value'  => $request[$fieldRequest]
-                ];
-
-                // save history
-                ContentHistory::create($history);
+                $this->saveHistory();
 
                 // save change into database
                 if ($commonField) {
@@ -281,6 +283,99 @@ class Content extends Model
         return [$revisionId, $changed];
     }
 
+    /**
+     * Upload and set some image as title photo
+     *
+     * @param Request $request
+     */
+    public function uploadTitlePhoto(Request $request)
+    {
+        if ($request->hasFile('titlePhoto')) {
+            $file = $this->file->upload($request->file('titlePhoto'), $request);
+
+            $this->title_photo = $file['filename'];
+        }
+    }
+
+    /**
+     * Upload and assign files to newly created content page
+     *
+     * @param Request $request
+     * @param null    $revisionId
+     *
+     * @return int
+     */
+    public function uploadRelatedFiles(Request $request, $revisionId = null)
+    {
+        $files = $request->all()['files'];
+        $changed = 0;
+
+        // check if any file was removed
+        if ($revisionId) {
+            $changed += $this->removeRelatedFiles($revisionId, $request);
+        }
+
+        // allow uploading only on created pages
+        if (!$this->id || !$files[0]) {
+            return $changed;
+        }
+
+        // find or create new directory for files assigned to content
+        $directory = Directory::firstOrCreate([
+                                                  'name'   => '.content_files',
+                                                  'hidden' => true
+                                              ]);
+        $request->directoryId = $directory->id;
+
+        foreach ($files as $file) {
+            if (!$file) {
+                continue;
+            }
+            $uploaded = $this->file->upload($file, $request);
+
+            // add assignement
+            ContentHasFile::create([
+                                       'file_id'    => $uploaded['id'],
+                                       'content_id' => $this->id
+                                   ]);
+
+            if ($revisionId) {
+                $this->saveHistory($revisionId, 'file', null, ['file' => $uploaded['file']->getClientOriginalName()]);
+            }
+
+            $changed++;
+        }
+
+        return $changed;
+    }
+
+    /**
+     * Delete files from association
+     *
+     * @param $revisionId
+     * @param $request
+     *
+     * @return int
+     */
+    private function removeRelatedFiles($revisionId, $request)
+    {
+        $files = array_keys((array)$request->keepAssigned);
+
+        $allFiles = $this->files()
+                         ->whereNotIn('id', $files)
+                         ->get();
+
+        foreach ($allFiles as $file) {
+            $this->saveHistory($revisionId, 'file', $file->original_filename, ['file' => null]);
+
+            ContentHasFile::where('content_id', $this->id)
+                          ->where('file_id', $file->id)
+                          ->delete();
+        }
+
+        return count($allFiles);
+    }
+
     /**
      * Mark relationship with its historical records
      *
@@ -300,4 +395,37 @@ class Content extends Model
     {
         return $this->belongsTo('App\Models\User', 'user_id');
     }
+
+    /**
+     * Related files to content page
+     *
+     * @return \Illuminate\Database\Eloquent\Relations\BelongsToMany
+     */
+    public function files()
+    {
+        return $this->belongsToMany(File::class, 'contents_has_files');
+    }
+
+    /**
+     * Save history entry into database
+     *
+     * @param $revisionId
+     * @param $fieldRequest
+     * @param $fieldValue
+     * @param $request
+     */
+    private function saveHistory($revisionId, $fieldRequest, $fieldValue, $request)
+    { // setup history object
+        $history = [
+            'user_id'    => \Auth::user()->id,
+            'content_id' => $this->id,
+            'edit_batch' => $revisionId,
+            'column'     => $fieldRequest,
+            'old_value'  => $fieldValue,
+            'new_value'  => $request[$fieldRequest]
+        ];
+
+        // save history
+        ContentHistory::create($history);
+    }
 }

app/Models/ContentHasFile.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class ContentHasFile extends Model
+{
+
+    public $timestamps = false;
+    public $table = 'contents_has_files';
+
+    protected $fillable = [
+        'content_id',
+        'file_id'
+    ];
+}

app/Models/File.php

@@ -106,7 +106,7 @@ class File extends Model
         // save optional fields
         $optionalFields = ['name', 'description', 'keywords', 'directoryId'];
         foreach ($optionalFields as $field) {
-            if ($request->has($field)) {
+            if (isset($request->{$field})) {
 
                 $snakeField = snake_case($field);
                 $newFile->$snakeField = $request->$field;

database/migrations/2016_07_28_192556_assignFilesToPages.php

@@ -0,0 +1,44 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class AssignFilesToPages extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('contents_has_files', function (Blueprint $table) {
+            $table->integer('content_id');
+            $table->integer('file_id');
+            $table->primary(['content_id', 'file_id']);
+
+            $table->foreign('content_id')
+                  ->references('id')
+                  ->on('contents')
+                  ->onDelete('cascade')
+                  ->onUpdate('cascade');
+
+            $table->foreign('file_id')
+                  ->references('id')
+                  ->on('files')
+                  ->onDelete('cascade')
+                  ->onUpdate('cascade');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::drop('contents_has_files');
+    }
+}

modules/StaticPages/Resources/views/admin/editForm.blade.php

@@ -27,6 +27,10 @@
         <li class="tabs-title">
             <a href="#appearance">@lang('staticpages::admin.appearance')</a>
         </li>
+
+        <li class="tabs-title">
+            <a href="#files">@lang('staticpages::admin.files')</a>
+        </li>
     </ul>
 
     <div class="tabs-content" data-tabs-content="static-page-controls">
@@ -169,6 +173,20 @@
 
         </div>
 
+        <div class="tabs-panel" id="files">
+            <div class="row">
+                <div class="columns large-12">
+                    <label>
+                        @lang('staticpages::admin.files')
+
+
+                        <input type="file" name="files[]" multiple />
+
+                    </label>
+                </div>
+            </div>
+        </div>
+
     </div>
     </div>
 

resources/lang/cs/admin/contents.php

@@ -13,10 +13,12 @@ return [
 "field_published_to" => "Publikováno do",
 "field_title" => "Titulek stránky",
 "field_url" => "URL",
+"files" => "Soubory",
 "homepageProtected" => "Domovská stránka je zobrazena jen pro přihlášené uživatele. Toto může i nemusí být chyba.",
 "homepageSetup" => "Domovská stránka úspěšně nastavena.",
 "invalidPage" => "Požadovaná stránka neexistuje.",
 "invalidStatus" => "Nelze změnit stav stránky na něco nedefinovaného.",
+"lockUrl" => "Zachovat URL?",
 "makeDraft" => "Převést na koncept",
 "makeProtected" => "Zobrazit jen pro přihlášené",
 "makePublic" => "Publikovat",

resources/lang/cs/admin/history.php

@@ -3,6 +3,7 @@ return [
 "backToEdit" => "Zpět na editaci obsahu",
 "backToOverview" => "Zpět na přehled historie",
 "changedFromTo" => "Změna z <del>:from</del> na <ins>:to</ins>",
+"columnFile" => "Přiřazené soubory",
 "columnIs_homepage" => "Domovská stránka",
 "columnMetaDescription" => "Popis",
 "columnMetaKeywords" => "Klíčová slova",
@@ -13,10 +14,12 @@ return [
 "columnTitle" => "Titulek",
 "columnTitlePhotoFilename" => "Titulní obrázek",
 "columnUrl" => "URL",
+"deletedFile" => "Odebrán soubor <del>:file</del>.",
 "diff" => "Rozdíl",
 "diffPageName" => "Rozdíl v :column",
 "emptyValue" => "<em>nic</em>",
 "numOfChanges" => "Jedna změna|:count změny|:count změn",
 "pageName" => "Historie :name",
 "setupAsHomepage" => "Nastaveno jako domovská stránka",
+"uploadedFile" => "Nahrán soubor <ins>:file</ins>.",
 ];

resources/lang/en/admin/contents.php

@@ -43,5 +43,6 @@ return [
     'homepageProtected'      => 'Your homepage is displayed only for logged in users. This may or may not be an error.',
     'parentPage'             => 'Parent page',
     'alreadyHomepage'        => 'Homepage',
+    'files'                  => 'Files',
     'lockUrl'                => 'Keep URL'
 ];

resources/lang/en/admin/history.php

@@ -7,6 +7,7 @@ return [
     'columnMetaKeywords'       => 'Meta keywords',
     'columnMetaDescription'    => 'Description',
     'columnStatus'             => 'Page visibility',
+    'columnFile'               => 'Assigned file',
     'columnTemplate'           => 'Template',
     'columnIs_homepage'        => 'Homepage',
     'columnParentPage'         => 'Parent page',
@@ -18,6 +19,7 @@ return [
     'diffPageName'             => 'Difference of :column',
     'backToOverview'           => 'Back to history overview',
     'backToEdit'               => 'Back to editation form',
-    'setupAsHomepage'          => 'Setup as homepage'
-
+    'setupAsHomepage'          => 'Setup as homepage',
+    'uploadedFile'             => 'File <ins>:file</ins> was uploaded.',
+    'deletedFile'              => 'File <del>:file</del> was removed from this page.',
 ];

resources/views/admin/content/formParts/files.blade.php

@@ -0,0 +1,20 @@
+<div class="row">
+
+    @if(count($page->files))
+        <div class="column large-6">
+            <ul>
+                @foreach($page->files as $file)
+                    <li><label><input type="checkbox" name="keepAssigned[{{$file->id}}]" checked /> {{$file->original_filename}}</label></li>
+                @endforeach
+            </ul>
+        </div>
+    @endif
+
+    <div class="columns large-6">
+        <label>
+            @lang('admin/contents.files')
+
+            <input type="file" name="files[]" multiple />
+        </label>
+    </div>
+</div>