[FEATURE] Add Metadata Export To Files/Media Database

src/system/Papaya/Administration/Files/Commands/ExportData.php

@@ -0,0 +1,141 @@
+<?php
+
+namespace Papaya\Administration\Files\Commands {
+
+  use Papaya\Administration\Settings\SettingsPage;
+  use Papaya\BaseObject\Interfaces\StringCastable;
+  use Papaya\Content\Language;
+  use Papaya\Content\Tables;
+  use Papaya\Database\Accessible;
+  use Papaya\Iterator\Filter\Callback as CallbackFilter;
+  use Papaya\Response;
+  use Papaya\Response\Content\CSV as CSVResponseContent;
+  use Papaya\UI\Dialog;
+  use Papaya\UI\Text\Translated as TranslatedText;
+  use Papaya\UI\Text\Translated\Collection as TranslatedList;
+  use Papaya\Iterator\ArrayMapper;
+
+  class ExportData extends \Papaya\UI\Control\Command\Dialog implements Accessible {
+
+    use Accessible\Aggregation;
+
+    const COMMAND_EXPORT = 'export_meta';
+    const FIELD_COMMAND = 'cmd';
+    const FIELD_LANGUAGES = 'languages';
+    const FIELD_INCLUDE_TAGS = 'include_tags';
+    const FIELD_INCLUDE_VERSIONS = 'include_versions';
+
+    public function createDialog() {
+      $dialog = parent::createDialog();
+      $dialog->options->useToken = FALSE;
+      $dialog->parameterGroup($this->parameterGroup());
+      $dialog->hiddenFields->merge(
+        [
+          self::FIELD_COMMAND => self::COMMAND_EXPORT
+        ]
+      );
+      $dialog->caption = new TranslatedText('Configure Export');
+      $dialog->fields[] = new Dialog\Field\Select\Checkboxes(
+        new TranslatedText('Languages'),
+        self::FIELD_LANGUAGES,
+        new ArrayMapper(
+          new CallbackFilter(
+            $this->papaya()->languages,
+            function ($language) {
+              return $language['is_content'];
+            }
+          ),
+          'title'
+        ),
+        FALSE
+      );
+      /*
+      $dialog->fields[] = new Dialog\Field\Select\Radio(
+        new TranslatedText('Include tags'),
+        self::FIELD_INCLUDE_TAGS,
+        new TranslatedList([1 => 'On', 0 => 'Off']),
+        FALSE
+      );
+      $dialog->fields[] = new Dialog\Field\Select\Radio(
+        new TranslatedText('Include versions'),
+        self::FIELD_INCLUDE_VERSIONS,
+        new TranslatedList([1 => 'On', 0 => 'Off']),
+        FALSE
+      );
+       */
+      $dialog->buttons[] = new Dialog\Button\Submit(new TranslatedText('Export CSV'));
+      //$this->hideAfterSuccess(TRUE);
+      $this->callbacks()->onExecuteSuccessful = function ($context, $dialog) {
+        $this->exportCSV(
+          $dialog->data[self::FIELD_LANGUAGES],
+          $dialog->data[self::FIELD_INCLUDE_TAGS],
+          $dialog->data[self::FIELD_INCLUDE_VERSIONS]
+        );
+      };
+      return $dialog;
+    }
+
+    private function exportCSV(array $languages, $includeTags, $includeVersions) {
+      foreach ($languages as $languageId) {
+        $languageIdentifier = $this->papaya()->languages[$languageId]['identifier'];
+        $fields[$languageIdentifier] = sprintf(
+          ', %1$s.file_title title_%1$s, %1$s.file_description description_%1$s ',
+          $languageIdentifier
+        );
+        $joins[$languageIdentifier] = sprintf(
+          ' LEFT JOIN :table_%1$s AS %1$s ON (%1$s.file_id = files.file_id AND %1$s.lng_id = %2$d)',
+          $languageIdentifier,
+          $languageId
+        );
+      }
+      if ($includeVersions) {
+
+      } else {
+        $sql =
+          "SELECT files.file_id, files.file_name, 
+             files.file_date, files.file_source, 
+             files.file_source_url, files.file_keywords 
+             ".implode(' ', $fields)."
+          FROM (:table_files AS files)
+             ".implode(' ', $joins);
+        $columns = [
+          'file_id' => 'Id',
+          'file_name' => 'Name',
+          'file_date' => 'Date',
+          'file_source' => 'Source',
+          'file_source_url' => 'Source URL',
+          'file_keywords' => 'Keywords'
+        ];
+        foreach ($languages as $languageId) {
+          $languageIdentifier = $this->papaya()->languages[$languageId]['identifier'];
+          $languageCode = $this->papaya()->languages[$languageId]['code'];
+          $columns['title_'.$languageIdentifier] = 'Title ('.$languageCode.')';
+          $columns['description_'.$languageIdentifier] = 'Description ('.$languageCode.')';
+        }
+      }
+      $statement = $this->getDatabaseAccess()->prepare($sql);
+      $statement->addTableName('table_files', Tables::MEDIA_FILES);
+      foreach ($joins as $languageCode => $join) {
+        $statement->addTableName('table_'.$languageCode, Tables::MEDIA_FILE_TRANSLATIONS);
+      }
+      if ($result = $statement->execute()) {
+        $response = $this->papaya()->response;
+        $response->content(
+          $content = new CSVResponseContent(
+            $result,
+            $columns
+          )
+        );
+        $content->callbacks()->onMapField = function($value, $field) {
+          if ($field === 'file_date') {
+            return gmdate(DATE_ATOM, $value);
+          }
+          return $value;
+        };
+        $response->setContentType('text/csv');
+        $response->headers()->set('Content-Disposition', 'attachment; filename="media.csv"');
+        $response->send(TRUE);
+      }
+    }
+  }
+}

src/system/Papaya/Administration/Permission/Groups.php

@@ -117,7 +117,8 @@ class Groups implements \IteratorAggregate {
       Administration\Permissions::FILE_UPLOAD => 'Upload files',
       Administration\Permissions::FILE_EDIT => 'Edit files',
       Administration\Permissions::FILE_DELETE => 'Delete files',
-      Administration\Permissions::FILE_IMPORT => 'Import files'
+      Administration\Permissions::FILE_IMPORT => 'Import files',
+      Administration\Permissions::FILE_EXPORT => 'Export file metadata'
     ]
   ];
 

src/system/Papaya/Administration/Permissions.php

@@ -92,6 +92,8 @@ class Permissions
 
   const FILE_IMPORT = 47;
 
+  const FILE_EXPORT = 52;
+
   const FILE_EDIT = 9;
 
   const FILE_DELETE = 10;

src/system/papaya_mediadb.php

@@ -595,6 +595,12 @@ function executeFilesManagement() {
         $this->getUploadToolbar();
         $this->getUploadDialog();
         break;
+      case 'export_meta':
+        $command = new Administration\Files\Commands\ExportData();
+        $command->papaya($this->papaya());
+        $command->parameterGroup($this->parameterGroup());
+        $this->layout->addInformation($command->getXML());
+        break;
       case 'get_file':
         $this->getUploadToolbar();
         $folderId = empty($this->params['folder_id']) ? 0 : (int)$this->params['folder_id'];
@@ -1244,6 +1250,15 @@ function loadFilesMenubar() {
         isset($this->params['cmd']) && $this->params['cmd'] == 'upload_files'
       );
     }
+    if ($administrationUser->hasPerm(Administration\Permissions::FILE_EXPORT)) {
+      $this->menubar->addButton(
+        'Export metadata',
+        $this->getLink(array('cmd' => 'export_meta')),
+        'actions-download',
+        'Export file metadata as CSV.',
+        isset($this->params['cmd']) && $this->params['cmd'] == 'export_meta'
+      );
+    }
     if (isset($this->currentFile) &&
         is_array($this->currentFile) &&
         count($this->currentFile) > 0 &&