namespace aw2\workflow; \aw2_library::add_service('workflow.steps.run', 'Executes workflow steps in sequence', ['func'=>'steps_run', 'namespace'=>__NAMESPACE__]); function steps_run($atts, $content=null, $shortcode) { // Validate context name is provided if(!isset($shortcode['tags_left'][0])) { throw new \InvalidArgumentException('workflow.steps.run: You must specify a context name starting with @'); } $context = $shortcode['tags_left'][0]; // Validate context starts with @ if(strpos($context, '@') !== 0) { throw new \Exception('workflow.steps.run: Context name must start with @'); } // Setup the context stack $stack_id = \aw2\call_stack\push_context('workflow', $context, $context); $call_stack = &\aw2_library::get_array_ref('call_stack', $stack_id); $call_stack['info']=array(); $info = &$call_stack['info']; $info['index'] = 0; $info['state'] = array(); $info['state']['result']=''; // Backup existing handler if any $backup_service = &\aw2_library::get_array_ref('handlers', $context); // Get workflow array using build_array $workflow = \aw2\common\build_array($atts, $content); // Validate steps exist if(!isset($workflow['steps']) || !is_array($workflow['steps'])) { throw new \Exception('workflow.steps.run: No steps defined in workflow'); } $info['steps'] = $workflow['steps']; $info['steps_count'] = count($workflow['steps']); // Execute each step $index = 0; foreach($info['steps'] as $key => &$step) { // Validate step has service if(!isset($step['service'])) { throw new \Exception("workflow.steps.run: No service defined for step $key"); } $info['index'] = $index; $info['step'] = $step; $info['key'] = $key; $service = $step['service']; $atts = array(); // Setup data for service $atts['data'] = isset($step['data']) ? $step['data'] : array(); $atts['info'] = $info; $atts['state'] = $info['state']; // Run service and update state try { $result = \aw2_library::service_run($service, $atts, null); // If service returns state, update it if(is_array($result)) { $info['state'] = $result; } } catch(\Exception $e) { throw new \Exception("workflow.steps.run: Error in step '$key' with service '$service': " . $e->getMessage()); } $index++; } \aw2\call_stack\pop_context($stack_id); // Restore existing handler if any \aw2_library::set('handlers.' . $context, $backup_service); // Return final result from state return $info['state']['@result']; } spot

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