# """ # Viewflow workflows for communications app. # Provides message routing, notification delivery, and alert 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 Message, MessageRecipient, NotificationTemplate, AlertRule, AlertInstance # from .views import ( # MessageCompositionView, RecipientSelectionView, MessageDeliveryView, # NotificationCreationView, TemplateSelectionView, AlertConfigurationView, # AlertEvaluationView, EscalationView, AcknowledgmentView, ResolutionView # ) # # # class MessageDeliveryProcess(Process): # """ # Viewflow process model for message delivery # """ # message = ModelField(Message, help_text='Associated message') # # # Process status tracking # message_composed = models.BooleanField(default=False) # recipients_selected = models.BooleanField(default=False) # content_validated = models.BooleanField(default=False) # delivery_scheduled = models.BooleanField(default=False) # message_sent = models.BooleanField(default=False) # delivery_confirmed = models.BooleanField(default=False) # acknowledgments_received = models.BooleanField(default=False) # delivery_completed = models.BooleanField(default=False) # # class Meta: # verbose_name = 'Message Delivery Process' # verbose_name_plural = 'Message Delivery Processes' # # # class MessageDeliveryFlow(Flow): # """ # Message Delivery Workflow # # This flow manages message composition, recipient selection, # delivery, and acknowledgment tracking. # """ # # process_class = MessageDeliveryProcess # # # Flow definition # start = ( # flow_func(this.start_message_delivery) # .Next(this.compose_message) # ) # # compose_message = ( # flow_view(MessageCompositionView) # .Permission('communications.can_compose_messages') # .Next(this.select_recipients) # ) # # select_recipients = ( # flow_view(RecipientSelectionView) # .Permission('communications.can_select_recipients') # .Next(this.validate_content) # ) # # validate_content = ( # flow_func(this.perform_content_validation) # .Next(this.schedule_delivery) # ) # # schedule_delivery = ( # flow_func(this.setup_delivery_schedule) # .Next(this.send_message) # ) # # send_message = ( # flow_view(MessageDeliveryView) # .Permission('communications.can_send_messages') # .Next(this.confirm_delivery) # ) # # confirm_delivery = ( # flow_func(this.track_delivery_status) # .Next(this.collect_acknowledgments) # ) # # collect_acknowledgments = ( # flow_func(this.monitor_acknowledgments) # .Next(this.complete_delivery) # ) # # complete_delivery = ( # flow_func(this.finalize_message_delivery) # .Next(this.end) # ) # # end = flow_func(this.end_message_delivery) # # # Flow functions # def start_message_delivery(self, activation): # """Initialize the message delivery process""" # process = activation.process # message = process.message # # # Update message status # message.status = 'DRAFT' # message.save() # # # Send notification to communications staff # self.notify_message_creation(message) # # # Check for urgent messages # if message.priority in ['URGENT', 'CRITICAL'] or message.is_urgent: # self.notify_urgent_message(message) # # def perform_content_validation(self, activation): # """Validate message content and compliance""" # process = activation.process # message = process.message # # # Perform content validation # validation_results = self.validate_message_content(message) # # if validation_results['is_valid']: # process.content_validated = True # process.save() # else: # # Handle validation failures # self.handle_validation_failure(message, validation_results) # # def setup_delivery_schedule(self, activation): # """Setup message delivery schedule""" # process = activation.process # message = process.message # # # Set delivery schedule # if message.scheduled_at: # # Message is scheduled for future delivery # self.schedule_future_delivery(message) # else: # # Immediate delivery # message.scheduled_at = timezone.now() # message.save() # # # Mark delivery scheduled # process.delivery_scheduled = True # process.save() # # def track_delivery_status(self, activation): # """Track message delivery status""" # process = activation.process # message = process.message # # # Update message status # message.status = 'SENT' # message.sent_at = timezone.now() # message.save() # # # Mark message sent # process.message_sent = True # process.save() # # # Start delivery tracking # self.start_delivery_tracking(message) # # def monitor_acknowledgments(self, activation): # """Monitor message acknowledgments""" # process = activation.process # message = process.message # # if message.requires_acknowledgment: # # Check acknowledgment status # acknowledgment_status = self.check_acknowledgment_status(message) # # if acknowledgment_status['all_acknowledged']: # process.acknowledgments_received = True # process.save() # else: # # Send reminders for unacknowledged messages # self.send_acknowledgment_reminders(message) # else: # # No acknowledgment required # process.acknowledgments_received = True # process.save() # # def finalize_message_delivery(self, activation): # """Finalize the message delivery process""" # process = activation.process # message = process.message # # # Update message status # message.status = 'DELIVERED' # message.save() # # # Mark process as completed # process.delivery_completed = True # process.save() # # # Send completion notifications # self.notify_delivery_completion(message) # # # Update delivery metrics # self.update_delivery_metrics(message) # # def end_message_delivery(self, activation): # """End the message delivery workflow""" # process = activation.process # # # Generate delivery summary report # self.generate_delivery_summary(process.message) # # # Helper methods # def notify_message_creation(self, message): # """Notify communications staff of new message""" # from django.contrib.auth.models import Group # # communications_staff = User.objects.filter( # groups__name='Communications Staff' # ) # # for staff in communications_staff: # send_mail( # subject=f'New Message Created: {message.subject}', # message=f'New {message.get_message_type_display()} message created by {message.sender.get_full_name()}.', # from_email='communications@hospital.com', # recipient_list=[staff.email], # fail_silently=True # ) # # def notify_urgent_message(self, message): # """Notify of urgent message""" # communications_managers = User.objects.filter( # groups__name='Communications Managers' # ) # # for manager in communications_managers: # send_mail( # subject=f'URGENT Message: {message.subject}', # message=f'{message.get_priority_display()} message requires immediate attention.', # from_email='communications@hospital.com', # recipient_list=[manager.email], # fail_silently=True # ) # # def validate_message_content(self, message): # """Validate message content for compliance and quality""" # validation_results = { # 'is_valid': True, # 'errors': [], # 'warnings': [] # } # # # Content validation logic would go here # # Check for compliance, appropriate language, etc. # # return validation_results # # def handle_validation_failure(self, message, validation_results): # """Handle message validation failures""" # # This would handle validation failures # pass # # def schedule_future_delivery(self, message): # """Schedule message for future delivery""" # # Schedule delivery task # send_scheduled_message.apply_async( # args=[message.message_id], # eta=message.scheduled_at # ) # # def start_delivery_tracking(self, message): # """Start tracking message delivery""" # # This would start delivery tracking for all recipients # pass # # def check_acknowledgment_status(self, message): # """Check acknowledgment status for all recipients""" # recipients = message.recipients.all() # total_recipients = recipients.count() # acknowledged_recipients = recipients.filter(status='ACKNOWLEDGED').count() # # return { # 'all_acknowledged': acknowledged_recipients == total_recipients, # 'acknowledgment_rate': acknowledged_recipients / total_recipients if total_recipients > 0 else 0 # } # # def send_acknowledgment_reminders(self, message): # """Send reminders for unacknowledged messages""" # unacknowledged_recipients = message.recipients.filter( # status__in=['DELIVERED', 'READ'] # ) # # for recipient in unacknowledged_recipients: # self.send_acknowledgment_reminder(recipient) # # def send_acknowledgment_reminder(self, recipient): # """Send acknowledgment reminder to specific recipient""" # # This would send reminder to recipient # pass # # def notify_delivery_completion(self, message): # """Notify delivery completion""" # # Notify sender # if message.sender and message.sender.email: # send_mail( # subject=f'Message Delivered: {message.subject}', # message=f'Your message has been successfully delivered to all recipients.', # from_email='communications@hospital.com', # recipient_list=[message.sender.email], # fail_silently=True # ) # # def update_delivery_metrics(self, message): # """Update message delivery metrics""" # # This would update delivery performance metrics # pass # # def generate_delivery_summary(self, message): # """Generate message delivery summary""" # # This would generate comprehensive delivery report # pass # # # class NotificationManagementProcess(Process): # """ # Viewflow process model for notification management # """ # notification_template = ModelField(NotificationTemplate, help_text='Associated notification template') # # # Process status tracking # template_selected = models.BooleanField(default=False) # content_generated = models.BooleanField(default=False) # recipients_determined = models.BooleanField(default=False) # notifications_created = models.BooleanField(default=False) # delivery_initiated = models.BooleanField(default=False) # delivery_monitored = models.BooleanField(default=False) # notifications_completed = models.BooleanField(default=False) # # class Meta: # verbose_name = 'Notification Management Process' # verbose_name_plural = 'Notification Management Processes' # # # class NotificationManagementFlow(Flow): # """ # Notification Management Workflow # # This flow manages automated notification generation, # delivery, and tracking using templates. # """ # # process_class = NotificationManagementProcess # # # Flow definition # start = ( # flow_func(this.start_notification_management) # .Next(this.select_template) # ) # # select_template = ( # flow_view(TemplateSelectionView) # .Permission('communications.can_select_templates') # .Next(this.generate_content) # ) # # generate_content = ( # flow_func(this.create_notification_content) # .Next(this.determine_recipients) # ) # # determine_recipients = ( # flow_func(this.identify_notification_recipients) # .Next(this.create_notifications) # ) # # create_notifications = ( # flow_view(NotificationCreationView) # .Permission('communications.can_create_notifications') # .Next(this.initiate_delivery) # ) # # initiate_delivery = ( # flow_func(this.start_notification_delivery) # .Next(this.monitor_delivery) # ) # # monitor_delivery = ( # flow_func(this.track_notification_delivery) # .Next(this.complete_notifications) # ) # # complete_notifications = ( # flow_func(this.finalize_notification_management) # .Next(this.end) # ) # # end = flow_func(this.end_notification_management) # # # Flow functions # def start_notification_management(self, activation): # """Initialize the notification management process""" # process = activation.process # template = process.notification_template # # # Send notification to communications staff # self.notify_notification_triggered(template) # # def create_notification_content(self, activation): # """Generate notification content from template""" # process = activation.process # template = process.notification_template # # # Generate content using template # content = self.generate_template_content(template) # # # Mark content generated # process.content_generated = True # process.save() # # # Store generated content # self.store_generated_content(template, content) # # def identify_notification_recipients(self, activation): # """Identify notification recipients""" # process = activation.process # template = process.notification_template # # # Determine recipients based on template configuration # recipients = self.determine_template_recipients(template) # # # Mark recipients determined # process.recipients_determined = True # process.save() # # # Store recipient list # self.store_recipient_list(template, recipients) # # def start_notification_delivery(self, activation): # """Start notification delivery""" # process = activation.process # template = process.notification_template # # # Initiate delivery for all notifications # self.initiate_template_delivery(template) # # # Mark delivery initiated # process.delivery_initiated = True # process.save() # # def track_notification_delivery(self, activation): # """Track notification delivery progress""" # process = activation.process # template = process.notification_template # # # Monitor delivery status # delivery_status = self.monitor_template_delivery(template) # # if delivery_status['all_delivered']: # process.delivery_monitored = True # process.save() # else: # # Continue monitoring # self.schedule_delivery_monitoring(template) # # def finalize_notification_management(self, activation): # """Finalize the notification management process""" # process = activation.process # template = process.notification_template # # # Mark process as completed # process.notifications_completed = True # process.save() # # # Update template usage statistics # self.update_template_usage(template) # # # Send completion notifications # self.notify_notification_completion(template) # # def end_notification_management(self, activation): # """End the notification management workflow""" # process = activation.process # # # Generate notification summary # self.generate_notification_summary(process.notification_template) # # # Helper methods # def notify_notification_triggered(self, template): # """Notify communications staff of triggered notification""" # communications_staff = User.objects.filter( # groups__name='Communications Staff' # ) # # for staff in communications_staff: # send_mail( # subject=f'Notification Triggered: {template.name}', # message=f'Automated notification "{template.name}" has been triggered.', # from_email='notifications@hospital.com', # recipient_list=[staff.email], # fail_silently=True # ) # # def generate_template_content(self, template): # """Generate content from notification template""" # # This would implement template rendering logic # return { # 'subject': template.subject_template, # 'content': template.content_template # } # # def store_generated_content(self, template, content): # """Store generated notification content""" # # This would store the generated content # pass # # def determine_template_recipients(self, template): # """Determine recipients for template notifications""" # # This would implement recipient determination logic # return [] # # def store_recipient_list(self, template, recipients): # """Store recipient list for template""" # # This would store the recipient list # pass # # def initiate_template_delivery(self, template): # """Initiate delivery for template notifications""" # # This would start delivery for all notifications # pass # # def monitor_template_delivery(self, template): # """Monitor template notification delivery""" # # This would monitor delivery progress # return {'all_delivered': True} # # def schedule_delivery_monitoring(self, template): # """Schedule continued delivery monitoring""" # # This would schedule monitoring tasks # pass # # def update_template_usage(self, template): # """Update template usage statistics""" # template.usage_count += 1 # template.last_used_at = timezone.now() # template.save() # # def notify_notification_completion(self, template): # """Notify notification completion""" # # This would notify relevant parties # pass # # def generate_notification_summary(self, template): # """Generate notification summary""" # # This would generate notification summary # pass # # # class AlertManagementProcess(Process): # """ # Viewflow process model for alert management # """ # alert_instance = ModelField(AlertInstance, help_text='Associated alert instance') # # # Process status tracking # alert_triggered = models.BooleanField(default=False) # alert_evaluated = models.BooleanField(default=False) # notifications_sent = models.BooleanField(default=False) # acknowledgment_received = models.BooleanField(default=False) # escalation_processed = models.BooleanField(default=False) # resolution_completed = models.BooleanField(default=False) # alert_closed = models.BooleanField(default=False) # # class Meta: # verbose_name = 'Alert Management Process' # verbose_name_plural = 'Alert Management Processes' # # # class AlertManagementFlow(Flow): # """ # Alert Management Workflow # # This flow manages alert lifecycle from trigger through # acknowledgment, escalation, and resolution. # """ # # process_class = AlertManagementProcess # # # Flow definition # start = ( # flow_func(this.start_alert_management) # .Next(this.trigger_alert) # ) # # trigger_alert = ( # flow_func(this.process_alert_trigger) # .Next(this.evaluate_alert) # ) # # evaluate_alert = ( # flow_view(AlertEvaluationView) # .Permission('communications.can_evaluate_alerts') # .Next(this.send_notifications) # ) # # send_notifications = ( # flow_func(this.dispatch_alert_notifications) # .Next(this.await_acknowledgment) # ) # # await_acknowledgment = ( # flow_view(AcknowledgmentView) # .Permission('communications.can_acknowledge_alerts') # .Next(this.process_escalation) # ) # # process_escalation = ( # flow_view(EscalationView) # .Permission('communications.can_escalate_alerts') # .Next(this.resolve_alert) # ) # # resolve_alert = ( # flow_view(ResolutionView) # .Permission('communications.can_resolve_alerts') # .Next(this.close_alert) # ) # # close_alert = ( # flow_func(this.finalize_alert_management) # .Next(this.end) # ) # # end = flow_func(this.end_alert_management) # # # Flow functions # def start_alert_management(self, activation): # """Initialize the alert management process""" # process = activation.process # alert = process.alert_instance # # # Update alert status # alert.status = 'ACTIVE' # alert.save() # # # Send immediate notifications for critical alerts # if alert.severity in ['CRITICAL', 'EMERGENCY']: # self.send_immediate_notifications(alert) # # def process_alert_trigger(self, activation): # """Process alert trigger conditions""" # process = activation.process # alert = process.alert_instance # # # Mark alert as triggered # process.alert_triggered = True # process.save() # # # Log alert trigger # self.log_alert_trigger(alert) # # # Check for duplicate alerts # self.check_duplicate_alerts(alert) # # def dispatch_alert_notifications(self, activation): # """Dispatch alert notifications""" # process = activation.process # alert = process.alert_instance # # # Send notifications to configured recipients # self.send_alert_notifications(alert) # # # Mark notifications sent # process.notifications_sent = True # process.save() # # # Schedule escalation if no acknowledgment # self.schedule_escalation(alert) # # def finalize_alert_management(self, activation): # """Finalize the alert management process""" # process = activation.process # alert = process.alert_instance # # # Update alert status # alert.status = 'RESOLVED' # alert.resolved_at = timezone.now() # alert.save() # # # Mark process as completed # process.alert_closed = True # process.save() # # # Send resolution notifications # self.notify_alert_resolution(alert) # # # Update alert metrics # self.update_alert_metrics(alert) # # def end_alert_management(self, activation): # """End the alert management workflow""" # process = activation.process # # # Generate alert summary # self.generate_alert_summary(process.alert_instance) # # # Helper methods # def send_immediate_notifications(self, alert): # """Send immediate notifications for critical alerts""" # # This would send immediate notifications # pass # # def log_alert_trigger(self, alert): # """Log alert trigger event""" # # This would log the alert trigger # pass # # def check_duplicate_alerts(self, alert): # """Check for duplicate alerts""" # # This would check for and handle duplicate alerts # pass # # def send_alert_notifications(self, alert): # """Send alert notifications to recipients""" # rule = alert.alert_rule # # # Send to default recipients # for recipient in rule.default_recipients.all(): # self.send_alert_to_recipient(alert, recipient) # # # Send to role-based recipients # for role in rule.recipient_roles: # role_recipients = User.objects.filter(groups__name=role) # for recipient in role_recipients: # self.send_alert_to_recipient(alert, recipient) # # def send_alert_to_recipient(self, alert, recipient): # """Send alert to specific recipient""" # if recipient.email: # send_mail( # subject=f'ALERT: {alert.title}', # message=f'Alert: {alert.description}\nSeverity: {alert.severity}', # from_email='alerts@hospital.com', # recipient_list=[recipient.email], # fail_silently=True # ) # # def schedule_escalation(self, alert): # """Schedule alert escalation""" # rule = alert.alert_rule # escalation_rules = rule.escalation_rules # # if escalation_rules: # # Schedule escalation task # escalate_alert.apply_async( # args=[alert.alert_id], # countdown=escalation_rules.get('escalation_delay', 3600) # 1 hour default # ) # # def notify_alert_resolution(self, alert): # """Notify alert resolution""" # # Notify all recipients of resolution # rule = alert.alert_rule # # for recipient in rule.default_recipients.all(): # if recipient.email: # send_mail( # subject=f'RESOLVED: {alert.title}', # message=f'Alert has been resolved: {alert.description}', # from_email='alerts@hospital.com', # recipient_list=[recipient.email], # fail_silently=True # ) # # def update_alert_metrics(self, alert): # """Update alert performance metrics""" # # This would update alert metrics # pass # # def generate_alert_summary(self, alert): # """Generate alert summary""" # # This would generate alert summary # pass # # # class CommunicationAuditProcess(Process): # """ # Viewflow process model for communication audit # """ # audit_period_start = models.DateTimeField(help_text='Audit period start') # audit_period_end = models.DateTimeField(help_text='Audit period end') # # # Process status tracking # audit_initiated = models.BooleanField(default=False) # data_collected = models.BooleanField(default=False) # analysis_completed = models.BooleanField(default=False) # report_generated = models.BooleanField(default=False) # audit_completed = models.BooleanField(default=False) # # class Meta: # verbose_name = 'Communication Audit Process' # verbose_name_plural = 'Communication Audit Processes' # # # class CommunicationAuditFlow(Flow): # """ # Communication Audit Workflow # # This flow manages communication auditing including # data collection, analysis, and reporting. # """ # # process_class = CommunicationAuditProcess # # # Flow definition # start = ( # flow_func(this.start_communication_audit) # .Next(this.initiate_audit) # ) # # initiate_audit = ( # flow_func(this.setup_audit_parameters) # .Next(this.collect_data) # ) # # collect_data = ( # flow_func(this.gather_communication_data) # .Next(this.analyze_data) # ) # # analyze_data = ( # flow_func(this.perform_communication_analysis) # .Next(this.generate_report) # ) # # generate_report = ( # flow_func(this.create_audit_report) # .Next(this.complete_audit) # ) # # complete_audit = ( # flow_func(this.finalize_communication_audit) # .Next(this.end) # ) # # end = flow_func(this.end_communication_audit) # # # Flow functions # def start_communication_audit(self, activation): # """Initialize the communication audit process""" # process = activation.process # # # Send audit notification # self.notify_audit_start(process.audit_period_start, process.audit_period_end) # # def setup_audit_parameters(self, activation): # """Setup audit parameters and scope""" # process = activation.process # # # Mark audit initiated # process.audit_initiated = True # process.save() # # # Configure audit parameters # self.configure_audit_scope(process.audit_period_start, process.audit_period_end) # # def gather_communication_data(self, activation): # """Gather communication data for audit""" # process = activation.process # # # Collect communication data # self.collect_audit_data(process.audit_period_start, process.audit_period_end) # # # Mark data collected # process.data_collected = True # process.save() # # def perform_communication_analysis(self, activation): # """Perform communication analysis""" # process = activation.process # # # Analyze communication patterns and compliance # self.analyze_communication_patterns(process.audit_period_start, process.audit_period_end) # # # Mark analysis completed # process.analysis_completed = True # process.save() # # def create_audit_report(self, activation): # """Create audit report""" # process = activation.process # # # Generate comprehensive audit report # self.generate_audit_report(process.audit_period_start, process.audit_period_end) # # # Mark report generated # process.report_generated = True # process.save() # # def finalize_communication_audit(self, activation): # """Finalize the communication audit process""" # process = activation.process # # # Mark audit completed # process.audit_completed = True # process.save() # # # Send audit completion notification # self.notify_audit_completion(process.audit_period_start, process.audit_period_end) # # def end_communication_audit(self, activation): # """End the communication audit workflow""" # process = activation.process # # # Archive audit results # self.archive_audit_results(process.audit_period_start, process.audit_period_end) # # # Helper methods # def notify_audit_start(self, start_date, end_date): # """Notify audit start""" # # This would notify relevant parties of audit start # pass # # def configure_audit_scope(self, start_date, end_date): # """Configure audit scope and parameters""" # # This would configure audit parameters # pass # # def collect_audit_data(self, start_date, end_date): # """Collect communication data for audit""" # # This would collect all relevant communication data # pass # # def analyze_communication_patterns(self, start_date, end_date): # """Analyze communication patterns""" # # This would analyze communication effectiveness and compliance # pass # # def generate_audit_report(self, start_date, end_date): # """Generate comprehensive audit report""" # # This would generate detailed audit report # pass # # def notify_audit_completion(self, start_date, end_date): # """Notify audit completion""" # # This would notify audit completion # pass # # def archive_audit_results(self, start_date, end_date): # """Archive audit results""" # # This would archive audit results for future reference # pass # # # # Celery tasks for background processing # @celery.job # def send_scheduled_message(message_id): # """Background task to send scheduled messages""" # try: # message = Message.objects.get(message_id=message_id) # # # Send message to all recipients # for recipient in message.recipients.all(): # send_message_to_recipient(message, recipient) # # # Update message status # message.status = 'SENT' # message.sent_at = timezone.now() # message.save() # # return True # except Exception: # return False # # # @celery.job # def escalate_alert(alert_id): # """Background task to escalate alerts""" # try: # alert = AlertInstance.objects.get(alert_id=alert_id) # # if alert.status == 'ACTIVE': # # Escalate alert # alert.escalation_level += 1 # alert.escalated_at = timezone.now() # alert.save() # # # Send escalation notifications # send_escalation_notifications(alert) # # return True # except Exception: # return False # # # @celery.job # def process_notification_queue(): # """Background task to process notification queue""" # try: # # This would process pending notifications # return True # except Exception: # return False # # # @celery.job # def cleanup_expired_messages(): # """Background task to cleanup expired messages""" # try: # # This would cleanup expired messages # return True # except Exception: # return False # # # @celery.job # def generate_communication_reports(): # """Background task to generate communication reports""" # try: # # This would generate periodic communication reports # return True # except Exception: # return False # # # def send_message_to_recipient(message, recipient): # """Helper function to send message to specific recipient""" # # This would implement actual message sending logic # pass # # # def send_escalation_notifications(alert): # """Helper function to send escalation notifications""" # # This would send escalation notifications # pass #