# """ # Viewflow workflows for integration app. # Provides external system integration, data synchronization, and API management workflows. # """ # # from viewflow import Flow, lock # from viewflow.base import this, flow_func # from viewflow.contrib import celery # from viewflow.decorators import flow_view # from viewflow.fields import CharField, ModelField # from viewflow.forms import ModelForm # from viewflow.views import CreateProcessView, UpdateProcessView # from viewflow.models import Process, Task # from django.contrib.auth.models import User # from django.urls import reverse_lazy # from django.utils import timezone # from django.db import transaction # from django.core.mail import send_mail # # from .models import ( # ExternalSystem, IntegrationEndpoint, DataMapping, SyncConfiguration, # IntegrationExecution, WebhookEndpoint, WebhookExecution, IntegrationLog # ) # from .views import ( # SystemSetupView, EndpointConfigurationView, DataMappingView, # SyncConfigurationView, TestConnectionView, MonitoringView, # WebhookManagementView, SecurityConfigurationView, PerformanceOptimizationView # ) # # # class SystemIntegrationProcess(Process): # """ # Viewflow process model for system integration # """ # external_system = ModelField(ExternalSystem, help_text='Associated external system') # # # Process status tracking # system_registered = models.BooleanField(default=False) # connection_tested = models.BooleanField(default=False) # endpoints_configured = models.BooleanField(default=False) # data_mapping_created = models.BooleanField(default=False) # security_configured = models.BooleanField(default=False) # testing_completed = models.BooleanField(default=False) # monitoring_setup = models.BooleanField(default=False) # integration_activated = models.BooleanField(default=False) # # class Meta: # verbose_name = 'System Integration Process' # verbose_name_plural = 'System Integration Processes' # # # class SystemIntegrationFlow(Flow): # """ # System Integration Workflow # # This flow manages complete external system integration including # setup, configuration, testing, and activation. # """ # # process_class = SystemIntegrationProcess # # # Flow definition # start = ( # flow_func(this.start_system_integration) # .Next(this.register_system) # ) # # register_system = ( # flow_view(SystemSetupView) # .Permission('integration.can_setup_systems') # .Next(this.test_connection) # ) # # test_connection = ( # flow_view(TestConnectionView) # .Permission('integration.can_test_connections') # .Next(this.configure_endpoints) # ) # # configure_endpoints = ( # flow_view(EndpointConfigurationView) # .Permission('integration.can_configure_endpoints') # .Next(this.create_data_mapping) # ) # # create_data_mapping = ( # flow_view(DataMappingView) # .Permission('integration.can_create_mappings') # .Next(this.configure_security) # ) # # configure_security = ( # flow_view(SecurityConfigurationView) # .Permission('integration.can_configure_security') # .Next(this.complete_testing) # ) # # complete_testing = ( # flow_func(this.perform_integration_testing) # .Next(this.setup_monitoring) # ) # # setup_monitoring = ( # flow_view(MonitoringView) # .Permission('integration.can_setup_monitoring') # .Next(this.activate_integration) # ) # # activate_integration = ( # flow_func(this.activate_system_integration) # .Next(this.end) # ) # # end = flow_func(this.end_system_integration) # # # Flow functions # def start_system_integration(self, activation): # """Initialize the system integration process""" # process = activation.process # system = process.external_system # # # Send integration notification # self.notify_integration_start(system) # # # Create integration checklist # self.create_integration_checklist(system) # # # Initialize integration logging # self.setup_integration_logging(system) # # def perform_integration_testing(self, activation): # """Perform comprehensive integration testing""" # process = activation.process # system = process.external_system # # # Execute integration tests # test_results = self.execute_integration_tests(system) # # # Mark testing completed # process.testing_completed = True # process.save() # # # Store test results # self.store_integration_test_results(system, test_results) # # # Validate test results # self.validate_test_results(system, test_results) # # def activate_system_integration(self, activation): # """Activate the system integration""" # process = activation.process # system = process.external_system # # # Activate system # system.is_active = True # system.save() # # # Mark integration activated # process.integration_activated = True # process.save() # # # Send activation notifications # self.notify_integration_activation(system) # # # Schedule health checks # self.schedule_health_checks(system) # # # Start monitoring # self.start_integration_monitoring(system) # # def end_system_integration(self, activation): # """End the system integration workflow""" # process = activation.process # # # Generate integration summary # self.generate_integration_summary(process.external_system) # # # Helper methods # def notify_integration_start(self, system): # """Notify integration start""" # integration_team = User.objects.filter(groups__name='Integration Team') # for staff in integration_team: # send_mail( # subject=f'System Integration Started: {system.name}', # message=f'Integration process started for "{system.name}".', # from_email='integration@hospital.com', # recipient_list=[staff.email], # fail_silently=True # ) # # def create_integration_checklist(self, system): # """Create integration checklist""" # # This would create integration checklist # pass # # def setup_integration_logging(self, system): # """Setup integration logging""" # IntegrationLog.objects.create( # external_system=system, # level='info', # category='system', # message=f'Integration process started for {system.name}' # ) # # def execute_integration_tests(self, system): # """Execute comprehensive integration tests""" # # This would run integration tests # return {'status': 'passed', 'tests_run': 10, 'failures': 0} # # def store_integration_test_results(self, system, results): # """Store integration test results""" # # This would store test results # pass # # def validate_test_results(self, system, results): # """Validate integration test results""" # # This would validate test results # if results.get('failures', 0) > 0: # raise Exception('Integration tests failed') # # def notify_integration_activation(self, system): # """Notify integration activation""" # # Notify relevant teams # integration_team = User.objects.filter(groups__name='Integration Team') # for staff in integration_team: # send_mail( # subject=f'System Integration Activated: {system.name}', # message=f'Integration for "{system.name}" has been activated.', # from_email='integration@hospital.com', # recipient_list=[staff.email], # fail_silently=True # ) # # def schedule_health_checks(self, system): # """Schedule periodic health checks""" # # Schedule health check task # system_health_check.apply_async( # args=[system.system_id], # countdown=300 # 5 minutes # ) # # def start_integration_monitoring(self, system): # """Start integration monitoring""" # # This would start monitoring # pass # # def generate_integration_summary(self, system): # """Generate integration summary""" # # This would generate integration summary # pass # # # class DataSynchronizationProcess(Process): # """ # Viewflow process model for data synchronization # """ # sync_configuration = ModelField(SyncConfiguration, help_text='Associated sync configuration') # # # Process status tracking # sync_initiated = models.BooleanField(default=False) # data_extracted = models.BooleanField(default=False) # data_transformed = models.BooleanField(default=False) # data_validated = models.BooleanField(default=False) # data_loaded = models.BooleanField(default=False) # conflicts_resolved = models.BooleanField(default=False) # sync_completed = models.BooleanField(default=False) # # class Meta: # verbose_name = 'Data Synchronization Process' # verbose_name_plural = 'Data Synchronization Processes' # # # class DataSynchronizationFlow(Flow): # """ # Data Synchronization Workflow # # This flow manages automated data synchronization between # external systems and the hospital management system. # """ # # process_class = DataSynchronizationProcess # # # Flow definition # start = ( # flow_func(this.start_data_synchronization) # .Next(this.initiate_sync) # ) # # initiate_sync = ( # flow_func(this.setup_sync_process) # .Next(this.extract_data) # ) # # extract_data = ( # flow_func(this.perform_data_extraction) # .Next(this.transform_data) # ) # # transform_data = ( # flow_func(this.perform_data_transformation) # .Next(this.validate_data) # ) # # validate_data = ( # flow_func(this.perform_data_validation) # .Next(this.load_data) # ) # # load_data = ( # flow_func(this.perform_data_loading) # .Next(this.resolve_conflicts) # ) # # resolve_conflicts = ( # flow_func(this.handle_data_conflicts) # .Next(this.complete_sync) # ) # # complete_sync = ( # flow_func(this.finalize_data_synchronization) # .Next(this.end) # ) # # end = flow_func(this.end_data_synchronization) # # # Flow functions # def start_data_synchronization(self, activation): # """Initialize the data synchronization process""" # process = activation.process # sync_config = process.sync_configuration # # # Send sync notification # self.notify_sync_start(sync_config) # # # Create sync execution record # self.create_sync_execution(sync_config) # # def setup_sync_process(self, activation): # """Setup synchronization process""" # process = activation.process # sync_config = process.sync_configuration # # # Mark sync initiated # process.sync_initiated = True # process.save() # # # Prepare sync environment # self.prepare_sync_environment(sync_config) # # def perform_data_extraction(self, activation): # """Extract data from source system""" # process = activation.process # sync_config = process.sync_configuration # # # Extract data # extracted_data = self.extract_source_data(sync_config) # # # Mark data extracted # process.data_extracted = True # process.save() # # # Store extracted data # self.store_extracted_data(sync_config, extracted_data) # # def perform_data_transformation(self, activation): # """Transform data according to mapping rules""" # process = activation.process # sync_config = process.sync_configuration # # # Transform data # transformed_data = self.transform_sync_data(sync_config) # # # Mark data transformed # process.data_transformed = True # process.save() # # # Store transformed data # self.store_transformed_data(sync_config, transformed_data) # # def perform_data_validation(self, activation): # """Validate transformed data""" # process = activation.process # sync_config = process.sync_configuration # # # Validate data # validation_results = self.validate_sync_data(sync_config) # # # Mark data validated # process.data_validated = True # process.save() # # # Store validation results # self.store_validation_results(sync_config, validation_results) # # def perform_data_loading(self, activation): # """Load data into target system""" # process = activation.process # sync_config = process.sync_configuration # # # Load data # loading_results = self.load_sync_data(sync_config) # # # Mark data loaded # process.data_loaded = True # process.save() # # # Store loading results # self.store_loading_results(sync_config, loading_results) # # def handle_data_conflicts(self, activation): # """Handle data conflicts and duplicates""" # process = activation.process # sync_config = process.sync_configuration # # # Resolve conflicts # conflict_results = self.resolve_data_conflicts(sync_config) # # # Mark conflicts resolved # process.conflicts_resolved = True # process.save() # # # Store conflict resolution results # self.store_conflict_results(sync_config, conflict_results) # # def finalize_data_synchronization(self, activation): # """Finalize the data synchronization process""" # process = activation.process # sync_config = process.sync_configuration # # # Mark sync completed # process.sync_completed = True # process.save() # # # Send completion notifications # self.notify_sync_completion(sync_config) # # # Update sync statistics # self.update_sync_statistics(sync_config) # # # Schedule next sync if recurring # self.schedule_next_sync(sync_config) # # def end_data_synchronization(self, activation): # """End the data synchronization workflow""" # process = activation.process # # # Generate sync summary # self.generate_sync_summary(process.sync_configuration) # # # Helper methods # def notify_sync_start(self, sync_config): # """Notify sync start""" # # This would notify relevant parties # pass # # def create_sync_execution(self, sync_config): # """Create sync execution record""" # # This would create execution record # pass # # def prepare_sync_environment(self, sync_config): # """Prepare synchronization environment""" # # This would prepare sync environment # pass # # def extract_source_data(self, sync_config): # """Extract data from source system""" # # This would extract data from source # return {'status': 'extracted', 'records': 1000} # # def store_extracted_data(self, sync_config, data): # """Store extracted data""" # # This would store extracted data # pass # # def transform_sync_data(self, sync_config): # """Transform data according to mapping""" # # This would transform data # return {'status': 'transformed', 'records': 1000} # # def store_transformed_data(self, sync_config, data): # """Store transformed data""" # # This would store transformed data # pass # # def validate_sync_data(self, sync_config): # """Validate transformed data""" # # This would validate data # return {'status': 'valid', 'errors': []} # # def store_validation_results(self, sync_config, results): # """Store validation results""" # # This would store validation results # pass # # def load_sync_data(self, sync_config): # """Load data into target system""" # # This would load data # return {'status': 'loaded', 'records': 1000} # # def store_loading_results(self, sync_config, results): # """Store loading results""" # # This would store loading results # pass # # def resolve_data_conflicts(self, sync_config): # """Resolve data conflicts""" # # This would resolve conflicts # return {'status': 'resolved', 'conflicts': 0} # # def store_conflict_results(self, sync_config, results): # """Store conflict resolution results""" # # This would store conflict results # pass # # def notify_sync_completion(self, sync_config): # """Notify sync completion""" # # This would notify completion # pass # # def update_sync_statistics(self, sync_config): # """Update synchronization statistics""" # # This would update sync stats # pass # # def schedule_next_sync(self, sync_config): # """Schedule next synchronization""" # if sync_config.is_recurring: # # Schedule next sync # data_sync.apply_async( # args=[sync_config.sync_id], # countdown=sync_config.sync_interval_seconds # ) # # def generate_sync_summary(self, sync_config): # """Generate synchronization summary""" # # This would generate sync summary # pass # # # class WebhookManagementProcess(Process): # """ # Viewflow process model for webhook management # """ # webhook_endpoint = ModelField(WebhookEndpoint, help_text='Associated webhook endpoint') # # # Process status tracking # webhook_created = models.BooleanField(default=False) # security_configured = models.BooleanField(default=False) # testing_completed = models.BooleanField(default=False) # monitoring_setup = models.BooleanField(default=False) # webhook_activated = models.BooleanField(default=False) # # class Meta: # verbose_name = 'Webhook Management Process' # verbose_name_plural = 'Webhook Management Processes' # # # class WebhookManagementFlow(Flow): # """ # Webhook Management Workflow # # This flow manages webhook endpoint creation, configuration, # testing, and activation for receiving external data. # """ # # process_class = WebhookManagementProcess # # # Flow definition # start = ( # flow_func(this.start_webhook_management) # .Next(this.create_webhook) # ) # # create_webhook = ( # flow_view(WebhookManagementView) # .Permission('integration.can_manage_webhooks') # .Next(this.configure_security) # ) # # configure_security = ( # flow_func(this.setup_webhook_security) # .Next(this.test_webhook) # ) # # test_webhook = ( # flow_func(this.perform_webhook_testing) # .Next(this.setup_monitoring) # ) # # setup_monitoring = ( # flow_func(this.configure_webhook_monitoring) # .Next(this.activate_webhook) # ) # # activate_webhook = ( # flow_func(this.activate_webhook_endpoint) # .Next(this.end) # ) # # end = flow_func(this.end_webhook_management) # # # Flow functions # def start_webhook_management(self, activation): # """Initialize the webhook management process""" # process = activation.process # webhook = process.webhook_endpoint # # # Send webhook creation notification # self.notify_webhook_creation(webhook) # # def setup_webhook_security(self, activation): # """Setup webhook security configuration""" # process = activation.process # webhook = process.webhook_endpoint # # # Configure security settings # self.configure_webhook_security(webhook) # # # Mark security configured # process.security_configured = True # process.save() # # def perform_webhook_testing(self, activation): # """Perform webhook testing""" # process = activation.process # webhook = process.webhook_endpoint # # # Test webhook functionality # test_results = self.test_webhook_functionality(webhook) # # # Mark testing completed # process.testing_completed = True # process.save() # # # Store test results # self.store_webhook_test_results(webhook, test_results) # # def configure_webhook_monitoring(self, activation): # """Configure webhook monitoring""" # process = activation.process # webhook = process.webhook_endpoint # # # Setup monitoring # self.setup_webhook_monitoring(webhook) # # # Mark monitoring setup # process.monitoring_setup = True # process.save() # # def activate_webhook_endpoint(self, activation): # """Activate webhook endpoint""" # process = activation.process # webhook = process.webhook_endpoint # # # Activate webhook # webhook.is_active = True # webhook.save() # # # Mark webhook activated # process.webhook_activated = True # process.save() # # # Send activation notifications # self.notify_webhook_activation(webhook) # # def end_webhook_management(self, activation): # """End the webhook management workflow""" # process = activation.process # # # Generate webhook summary # self.generate_webhook_summary(process.webhook_endpoint) # # # Helper methods # def notify_webhook_creation(self, webhook): # """Notify webhook creation""" # integration_team = User.objects.filter(groups__name='Integration Team') # for staff in integration_team: # send_mail( # subject=f'Webhook Created: {webhook.name}', # message=f'Webhook endpoint "{webhook.name}" has been created.', # from_email='integration@hospital.com', # recipient_list=[staff.email], # fail_silently=True # ) # # def configure_webhook_security(self, webhook): # """Configure webhook security""" # # This would configure security settings # pass # # def test_webhook_functionality(self, webhook): # """Test webhook functionality""" # # This would test webhook # return {'status': 'passed', 'tests': 5} # # def store_webhook_test_results(self, webhook, results): # """Store webhook test results""" # # This would store test results # pass # # def setup_webhook_monitoring(self, webhook): # """Setup webhook monitoring""" # # This would setup monitoring # pass # # def notify_webhook_activation(self, webhook): # """Notify webhook activation""" # # This would notify activation # pass # # def generate_webhook_summary(self, webhook): # """Generate webhook summary""" # # This would generate webhook summary # pass # # # # Celery tasks for background processing # @celery.job # def system_health_check(system_id): # """Background task for system health monitoring""" # try: # system = ExternalSystem.objects.get(system_id=system_id) # # # Perform health check # # This would perform system health check # # # Schedule next health check # system_health_check.apply_async( # args=[system_id], # countdown=300 # 5 minutes # ) # # return True # except Exception: # return False # # # @celery.job # def data_sync(sync_id): # """Background task for data synchronization""" # try: # sync_config = SyncConfiguration.objects.get(sync_id=sync_id) # # # Start data synchronization workflow # # This would start the data sync workflow # # return True # except Exception: # return False # # # @celery.job # def webhook_health_check(): # """Background task for webhook health monitoring""" # try: # # This would monitor webhook health # return True # except Exception: # return False # # # @celery.job # def integration_performance_monitoring(): # """Background task for integration performance monitoring""" # try: # # This would monitor integration performance # return True # except Exception: # return False # # # @celery.job # def cleanup_integration_logs(): # """Background task to cleanup old integration logs""" # try: # # This would cleanup old logs # return True # except Exception: # return False #