PHP code example of hadyfayed / filament-workflow-canvas

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

hadyfayed / filament-workflow-canvas example snippets

use HadyFayed\WorkflowCanvas\Models\Workflow;

class WorkflowBuilder extends Component
{
    public Workflow $workflow;
    public array $canvasData = [];
    
    public function mount(Workflow $workflow)
    {
        $this->workflow = $workflow;
        $this->canvasData = $workflow->canvas_data ?? [];
    }
    
    public function updatedCanvasData()
    {
        $this->workflow->update(['canvas_data' => $this->canvasData]);
    }
    
    public function render()
    {
        return view('livewire.workflow-builder');
    }
}

use HadyFayed\WorkflowCanvas\Forms\Components\WorkflowCanvasField;

// In your Filament Resource
WorkflowCanvasField::make('canvas_data')
    ->reactive()           // Enable real-time React-PHP state sync
    ->lazy()              // Load component when visible (performance optimization)
    ->enableAutoSave()    // Auto-save workflow changes
    ->showMinimap()       // Show workflow minimap
    ->enableFullscreen()  // Allow fullscreen editing
    ->nodeTypes(config('workflow-canvas.node_types'))
    ->onWorkflowChange(fn($state) => $this->processWorkflow($state));

use HadyFayed\WorkflowCanvas\Widgets\WorkflowStatsWidget;

// In your Filament Panel
class WorkflowStatsWidget extends ReactWidget
{
    protected string $componentName = 'WorkflowStatsWidget';
    
    public function getData(): array
    {
        return $this->getWorkflowStats(); // Data automatically shared with React
    }
}

return [
    'canvas' => [
        'default_height' => '600px',
        'fullscreen_enabled' => true,
        'auto_save' => true,
        'auto_save_delay' => 500,
    ],
    
    'node_types' => [
        'trigger' => [
            'label' => 'Trigger',
            'icon' => '⚡',
            'color' => 'blue',
            'processor' => TriggerProcessor::class,
        ],
        // ... more node types
    ],
    
    'validation' => [
        'max_nodes' => 100,
        'max_connections' => 200,
        '

use HadyFayed\WorkflowCanvas\Processors\BaseNodeProcessor;

class CustomProcessor extends BaseNodeProcessor
{
    public function process(mixed $node, array $inputData, WorkflowExecution $execution): array
    {
        // Your custom processing logic
        return $outputData;
    }
    
    public function getConfigSchema(): array
    {
        return [
            'custom_field' => [
                'type' => 'text',
                'label' => 'Custom Field',
                '

// config/workflow-canvas.php
'node_types' => [
    'custom' => [
        'label' => 'Custom Node',
        'icon' => '⭐',
        'color' => 'purple',
        'processor' => CustomProcessor::class,
    ],
],

use HadyFayed\WorkflowCanvas\Services\WorkflowExecutionService;

$executionService = app(WorkflowExecutionService::class);
$result = $executionService->execute($workflow, $inputData);

if ($result->isSuccessful()) {
    $outputData = $result->getOutputData();
} else {
    $errors = $result->getErrors();
}

use HadyFayed\WorkflowCanvas\Events\WorkflowStarted;
use HadyFayed\WorkflowCanvas\Events\WorkflowCompleted;
use HadyFayed\WorkflowCanvas\Events\WorkflowFailed;

// Listen for workflow events
Event::listen(WorkflowStarted::class, function ($event) {
    Log::info('Workflow started', ['workflow_id' => $event->workflow->id]);
});

$workflow = Workflow::create([
    'name' => 'My Workflow',
    'description' => 'A sample workflow',
    'canvas_data' => $canvasData,
    'is_active' => true,
]);

// Validate workflow structure
$errors = $workflow->validate();

// Duplicate workflow
$copy = $workflow->duplicate('New Name');

// Check for cycles
$hasCycles = $workflow->hasCycles();

WorkflowCanvasComponent::make(
    workflow: $workflow,
    readonly: false,
    height: '800px',
    statePath: 'canvas_data'
)

bash
php artisan vendor:publish --tag=workflow-canvas-config

bash
php artisan vendor:publish --tag=workflow-canvas-assets

bash
php artisan migrate