feat: update table columns with defaults and optional fields

- Default columns: name, updated by, updated at
- Optional columns: created by, created at, size (toggleable)
- Add updated_by field to model and migration
- Add updater relationship to LibraryItem model
- Add formatFileSize helper method for file size display
- Update all creation/update actions to set updated_by field
- Size column shows '-' for folders, formatted file size for files

Author: scott grayson

src/Models/LibraryItem.php

@@ -24,6 +24,7 @@ class LibraryItem extends Model implements HasMedia
         'type',
         'parent_id',
         'created_by',
+        'updated_by',
     ];
 
     protected $casts = [
@@ -76,6 +77,14 @@ public function creator(): BelongsTo
         return $this->belongsTo(\App\Models\User::class, 'created_by');
     }
 
+    /**
+     * Get the user who last updated this item.
+     */
+    public function updater(): BelongsTo
+    {
+        return $this->belongsTo(\App\Models\User::class, 'updated_by');
+    }
+
     /**
      * Get the permissions for this item.
      */

src/Resources/LibraryItemResource.php

@@ -92,24 +92,41 @@ public static function table(Table $table): Table
                 Tables\Columns\TextColumn::make('name')
                     ->searchable()
                     ->sortable()
-                    ->icon(fn (LibraryItem $record): string => 
+                    ->icon(fn (LibraryItem $record): string =>
                         $record->type === 'folder' ? 'heroicon-s-folder' : 'heroicon-o-document'
                     )
                     ->iconColor('gray')
                     ->iconPosition('before')
                     ->extraAttributes(['class' => 'library-item-name-column']),
+                Tables\Columns\TextColumn::make('updater.name')
+                    ->label('Updated By')
+                    ->searchable()
+                    ->sortable(),
+                Tables\Columns\TextColumn::make('updated_at')
+                    ->label('Updated At')
+                    ->dateTime()
+                    ->sortable(),
                 Tables\Columns\TextColumn::make('creator.name')
                     ->label('Created By')
                     ->searchable()
-                    ->sortable(),
+                    ->sortable()
+                    ->toggleable(),
                 Tables\Columns\TextColumn::make('created_at')
+                    ->label('Created At')
                     ->dateTime()
                     ->sortable()
-                    ->toggleable(isToggledHiddenByDefault: true),
-                Tables\Columns\TextColumn::make('updated_at')
-                    ->dateTime()
+                    ->toggleable(),
+                Tables\Columns\TextColumn::make('size')
+                    ->label('Size')
+                    ->formatStateUsing(function (LibraryItem $record): string {
+                        if ($record->type === 'folder') {
+                            return '-';
+                        }
+                        $media = $record->getFirstMedia('files');
+                        return $media ? static::formatFileSize($media->size) : '-';
+                    })
                     ->sortable()
-                    ->toggleable(isToggledHiddenByDefault: true),
+                    ->toggleable(),
             ])
             ->filters([
                 Tables\Filters\SelectFilter::make('type')
@@ -151,4 +168,15 @@ public static function getPages(): array
             'edit' => Pages\EditLibraryItem::route('/{record}/edit'),
         ];
     }
+
+    public static function formatFileSize(int $bytes): string
+    {
+        $units = ['B', 'KB', 'MB', 'GB', 'TB'];
+        
+        for ($i = 0; $bytes > 1024 && $i < count($units) - 1; $i++) {
+            $bytes /= 1024;
+        }
+        
+        return round($bytes, 2) . ' ' . $units[$i];
+    }
 }

src/Resources/Pages/EditLibraryItem.php

@@ -43,6 +43,7 @@ protected function getHeaderActions(): array
                 ->action(function (array $data): void {
                     $this->getRecord()->update([
                         'parent_id' => $data['parent_id'],
+                        'updated_by' => auth()->user()?->id,
                     ]);
 
                     $this->redirect(static::getResource()::getUrl('index', $data['parent_id'] ? ['parent' => $data['parent_id']] : []));
@@ -61,6 +62,14 @@ protected function mutateFormDataBeforeFill(array $data): array
         return $data;
     }
 
+    protected function mutateFormDataBeforeSave(array $data): array
+    {
+        // Set the updated_by field
+        $data['updated_by'] = auth()->user()?->id;
+
+        return $data;
+    }
+
     protected function getForms(): array
     {
         return [

src/Resources/Pages/ListLibraryItems.php

@@ -63,6 +63,7 @@ protected function getHeaderActions(): array
                     'type' => 'folder',
                     'parent_id' => $this->parentId,
                     'created_by' => auth()->user()?->id,
+                    'updated_by' => auth()->user()?->id,
                 ]);
 
                 $this->redirect(static::getResource()::getUrl('index', $this->parentId ? ['parent' => $this->parentId] : []));
@@ -93,6 +94,7 @@ protected function getHeaderActions(): array
                     'type' => 'file',
                     'parent_id' => $this->parentId,
                     'created_by' => auth()->user()?->id,
+                    'updated_by' => auth()->user()?->id,
                 ]);
 
                 $this->redirect(static::getResource()::getUrl('index', $this->parentId ? ['parent' => $this->parentId] : []));