feat: implement folder navigation and file viewing

- Add ViewAction as default row action
- Create ViewLibraryItem page for file viewing
- Implement folder navigation with parent parameter
- Add breadcrumb navigation
- Add 'Up One Level' action for subfolders
- Update CreateLibraryItem to handle parent context
- Show folder contents when clicking on folders
- Show file view page when clicking on files

Author: scott grayson

src/Resources/LibraryItemResource.php

@@ -8,6 +8,7 @@
 use Filament\Tables\Table;
 use Filament\Actions\EditAction;
 use Filament\Actions\DeleteAction;
+use Filament\Actions\ViewAction;
 use Filament\Actions\BulkActionGroup;
 use Filament\Actions\DeleteBulkAction;
 use Tapp\FilamentLibrary\Models\LibraryItem;
@@ -88,6 +89,12 @@ public static function table(Table $table): Table
                     ]),
             ])
             ->actions([
+                ViewAction::make()
+                    ->url(fn (LibraryItem $record): string => 
+                        $record->type === 'folder' 
+                            ? static::getUrl('index', ['parent' => $record->id])
+                            : static::getUrl('view', ['record' => $record])
+                    ),
                 EditAction::make(),
                 DeleteAction::make(),
             ])
@@ -110,6 +117,7 @@ public static function getPages(): array
         return [
             'index' => Pages\ListLibraryItems::route('/'),
             'create' => Pages\CreateLibraryItem::route('/create'),
+            'view' => Pages\ViewLibraryItem::route('/{record}'),
             'edit' => Pages\EditLibraryItem::route('/{record}/edit'),
         ];
     }

src/Resources/Pages/CreateLibraryItem.php

@@ -4,8 +4,35 @@
 
 use Filament\Resources\Pages\CreateRecord;
 use Tapp\FilamentLibrary\Resources\LibraryItemResource;
+use Tapp\FilamentLibrary\Models\LibraryItem;
 
 class CreateLibraryItem extends CreateRecord
 {
     protected static string $resource = LibraryItemResource::class;
+
+    public ?int $parentId = null;
+
+    public function mount(): void
+    {
+        parent::mount();
+        
+        $this->parentId = request()->get('parent');
+        
+        if ($this->parentId) {
+            $this->form->fill([
+                'parent_id' => $this->parentId,
+            ]);
+        }
+    }
+
+    protected function mutateFormDataBeforeCreate(array $data): array
+    {
+        if ($this->parentId) {
+            $data['parent_id'] = $this->parentId;
+        }
+        
+        $data['created_by'] = auth()->id();
+        
+        return $data;
+    }
 }

src/Resources/Pages/ListLibraryItems.php

@@ -4,15 +4,98 @@
 
 use Filament\Resources\Pages\ListRecords;
 use Tapp\FilamentLibrary\Resources\LibraryItemResource;
+use Tapp\FilamentLibrary\Models\LibraryItem;
+use Filament\Actions\CreateAction;
+use Filament\Actions\Action;
 
 class ListLibraryItems extends ListRecords
 {
     protected static string $resource = LibraryItemResource::class;
 
+    public ?int $parentId = null;
+    public ?LibraryItem $parentFolder = null;
+
+    public function mount(): void
+    {
+        parent::mount();
+        
+        $this->parentId = request()->get('parent');
+        
+        if ($this->parentId) {
+            $this->parentFolder = LibraryItem::find($this->parentId);
+        }
+    }
+
     protected function getHeaderActions(): array
     {
-        return [
-            //
+        $actions = [];
+        
+        // Add "Up One Level" action if we're in a subfolder
+        if ($this->parentId && $this->parentFolder) {
+            $actions[] = Action::make('up_one_level')
+                ->label('Up One Level')
+                ->icon('heroicon-o-arrow-up')
+                ->url(fn (): string => 
+                    $this->parentFolder->parent_id 
+                        ? static::getResource()::getUrl('index', ['parent' => $this->parentFolder->parent_id])
+                        : static::getResource()::getUrl('index')
+                )
+                ->color('gray');
+        }
+        
+        // Add "Create" action
+        $actions[] = CreateAction::make()
+            ->url(fn (): string => 
+                $this->parentId 
+                    ? static::getResource()::getUrl('create', ['parent' => $this->parentId])
+                    : static::getResource()::getUrl('create')
+            );
+        
+        return $actions;
+    }
+
+    protected function getTableQuery(): \Illuminate\Database\Eloquent\Builder
+    {
+        $query = parent::getTableQuery();
+        
+        if ($this->parentId) {
+            $query->where('parent_id', $this->parentId);
+        } else {
+            $query->whereNull('parent_id');
+        }
+        
+        return $query;
+    }
+
+    public function getTitle(): string
+    {
+        if ($this->parentFolder) {
+            return $this->parentFolder->name;
+        }
+        
+        return 'All Folders';
+    }
+
+    public function getBreadcrumbs(): array
+    {
+        $breadcrumbs = [
+            static::getResource()::getUrl() => 'All Folders',
         ];
+        
+        if ($this->parentFolder) {
+            $current = $this->parentFolder;
+            $path = [];
+            
+            while ($current) {
+                array_unshift($path, $current);
+                $current = $current->parent;
+            }
+            
+            foreach ($path as $folder) {
+                $breadcrumbs[static::getResource()::getUrl('index', ['parent' => $folder->id])] = $folder->name;
+            }
+        }
+        
+        return $breadcrumbs;
     }
 }

src/Resources/Pages/ViewLibraryItem.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace Tapp\FilamentLibrary\Resources\Pages;
+
+use Filament\Resources\Pages\ViewRecord;
+use Tapp\FilamentLibrary\Resources\LibraryItemResource;
+
+class ViewLibraryItem extends ViewRecord
+{
+    protected static string $resource = LibraryItemResource::class;
+
+    protected function getHeaderActions(): array
+    {
+        return [
+            \Filament\Actions\EditAction::make(),
+            \Filament\Actions\DeleteAction::make(),
+        ];
+    }
+}