747 lines
24 KiB
Python
747 lines
24 KiB
Python
# """
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# Viewflow workflows for radiology app.
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# Provides imaging order processing, study execution, and report generation workflows.
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# """
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#
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# from viewflow import Flow, lock
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# from viewflow.base import this, flow_func
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# from viewflow.contrib import celery
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# from viewflow.decorators import flow_view
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# from viewflow.fields import CharField, ModelField
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# from viewflow.forms import ModelForm
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# from viewflow.views import CreateProcessView, UpdateProcessView
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# from viewflow.models import Process, Task
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# from django.contrib.auth.models import User
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# from django.urls import reverse_lazy
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# from django.utils import timezone
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# from django.db import transaction
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# from django.core.mail import send_mail
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#
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# from .models import ImagingOrder, ImagingStudy, RadiologyReport, ReportTemplate
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# from .views import (
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# ImagingOrderView, OrderVerificationView, StudySchedulingView,
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# PatientPreparationView, StudyExecutionView, ImageQualityCheckView,
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# ReportDictationView, ReportTranscriptionView, ReportVerificationView,
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# CriticalFindingNotificationView
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# )
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#
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#
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# class ImagingOrderProcess(Process):
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# """
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# Viewflow process model for imaging orders
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# """
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# imaging_order = ModelField(ImagingOrder, help_text='Associated imaging order')
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#
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# # Process status tracking
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# order_received = models.BooleanField(default=False)
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# order_verified = models.BooleanField(default=False)
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# study_scheduled = models.BooleanField(default=False)
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# patient_prepared = models.BooleanField(default=False)
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# study_completed = models.BooleanField(default=False)
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# images_reviewed = models.BooleanField(default=False)
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# report_dictated = models.BooleanField(default=False)
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# report_finalized = models.BooleanField(default=False)
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# results_communicated = models.BooleanField(default=False)
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#
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# class Meta:
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# verbose_name = 'Imaging Order Process'
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# verbose_name_plural = 'Imaging Order Processes'
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#
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#
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# class ImagingOrderFlow(Flow):
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# """
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# Imaging Order Workflow
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#
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# This flow manages the complete imaging process from order receipt
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# through study execution and report delivery.
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# """
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#
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# process_class = ImagingOrderProcess
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#
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# # Flow definition
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# start = (
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# flow_func(this.start_imaging_order)
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# .Next(this.receive_order)
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# )
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#
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# receive_order = (
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# flow_view(ImagingOrderView)
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# .Permission('radiology.can_receive_orders')
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# .Next(this.verify_order)
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# )
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#
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# verify_order = (
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# flow_view(OrderVerificationView)
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# .Permission('radiology.can_verify_orders')
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# .Next(this.schedule_study)
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# )
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#
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# schedule_study = (
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# flow_view(StudySchedulingView)
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# .Permission('radiology.can_schedule_studies')
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# .Next(this.prepare_patient)
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# )
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#
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# prepare_patient = (
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# flow_view(PatientPreparationView)
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# .Permission('radiology.can_prepare_patients')
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# .Next(this.execute_study)
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# )
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#
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# execute_study = (
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# flow_view(StudyExecutionView)
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# .Permission('radiology.can_execute_studies')
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# .Next(this.review_images)
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# )
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#
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# review_images = (
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# flow_view(ImageQualityCheckView)
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# .Permission('radiology.can_review_images')
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# .Next(this.dictate_report)
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# )
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#
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# dictate_report = (
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# flow_view(ReportDictationView)
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# .Permission('radiology.can_dictate_reports')
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# .Next(this.transcribe_report)
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# )
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#
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# transcribe_report = (
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# flow_view(ReportTranscriptionView)
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# .Permission('radiology.can_transcribe_reports')
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# .Next(this.verify_report)
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# )
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#
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# verify_report = (
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# flow_view(ReportVerificationView)
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# .Permission('radiology.can_verify_reports')
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# .Next(this.check_critical_findings)
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# )
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#
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# check_critical_findings = (
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# flow_func(this.assess_critical_findings)
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# .Next(this.finalize_report)
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# )
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#
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# finalize_report = (
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# flow_func(this.complete_imaging_order)
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# .Next(this.end)
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# )
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#
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# end = flow_func(this.end_imaging_order)
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#
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# # Flow functions
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# def start_imaging_order(self, activation):
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# """Initialize the imaging order process"""
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# process = activation.process
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# order = process.imaging_order
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#
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# # Update order status
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# order.status = 'RECEIVED'
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# order.save()
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#
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# # Send notification to radiology staff
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# self.notify_radiology_staff(order)
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#
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# # Check for STAT orders
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# if order.priority in ['STAT', 'EMERGENCY']:
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# self.notify_stat_order(order)
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#
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# def assess_critical_findings(self, activation):
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# """Check for critical findings and handle notifications"""
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# process = activation.process
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# order = process.imaging_order
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#
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# # Get the associated report
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# try:
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# report = RadiologyReport.objects.get(study__imaging_order=order)
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#
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# if report.critical_finding:
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# # Handle critical finding notification
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# self.handle_critical_finding(report)
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#
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# # Mark as critical communicated
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# report.critical_communicated = True
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# report.critical_communicated_datetime = timezone.now()
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# report.save()
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# except RadiologyReport.DoesNotExist:
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# pass
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#
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# def complete_imaging_order(self, activation):
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# """Finalize the imaging order process"""
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# process = activation.process
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# order = process.imaging_order
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#
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# # Update order status
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# order.status = 'COMPLETED'
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# order.completion_datetime = timezone.now()
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# order.save()
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#
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# # Mark process as completed
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# process.results_communicated = True
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# process.save()
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#
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# # Send completion notifications
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# self.notify_order_completion(order)
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#
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# # Update quality metrics
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# self.update_quality_metrics(order)
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#
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# def end_imaging_order(self, activation):
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# """End the imaging order workflow"""
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# process = activation.process
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#
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# # Generate order summary report
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# self.generate_order_summary(process.imaging_order)
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#
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# # Helper methods
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# def notify_radiology_staff(self, order):
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# """Notify radiology staff of new order"""
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# from django.contrib.auth.models import Group
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#
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# radiology_staff = User.objects.filter(
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# groups__name='Radiology Staff'
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# )
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#
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# for staff in radiology_staff:
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# send_mail(
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# subject=f'New Imaging Order: {order.order_number}',
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# message=f'New {order.get_priority_display()} imaging order for {order.patient.get_full_name()}.',
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# from_email='radiology@hospital.com',
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# recipient_list=[staff.email],
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# fail_silently=True
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# )
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#
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# def notify_stat_order(self, order):
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# """Notify of STAT imaging order"""
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# radiologists = User.objects.filter(
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# groups__name='Radiologists'
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# )
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#
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# for radiologist in radiologists:
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# send_mail(
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# subject=f'STAT Imaging Order: {order.order_number}',
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# message=f'{order.get_priority_display()} imaging order requires immediate attention.',
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# from_email='radiology@hospital.com',
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# recipient_list=[radiologist.email],
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# fail_silently=True
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# )
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#
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# def handle_critical_finding(self, report):
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# """Handle critical finding notification"""
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# # Notify ordering physician immediately
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# if report.study.referring_physician and report.study.referring_physician.email:
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# send_mail(
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# subject=f'CRITICAL FINDING: {report.study.accession_number}',
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# message=f'Critical finding identified in imaging study. Please review immediately.',
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# from_email='radiology@hospital.com',
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# recipient_list=[report.study.referring_physician.email],
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# fail_silently=True
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# )
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#
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# # Notify radiology supervisor
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# supervisors = User.objects.filter(
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# groups__name='Radiology Supervisors'
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# )
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#
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# for supervisor in supervisors:
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# send_mail(
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# subject=f'Critical Finding Communicated: {report.study.accession_number}',
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# message=f'Critical finding has been communicated for study {report.study.accession_number}.',
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# from_email='radiology@hospital.com',
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# recipient_list=[supervisor.email],
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# fail_silently=True
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# )
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#
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# def notify_order_completion(self, order):
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# """Notify ordering physician of completed study"""
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# if order.ordering_provider and order.ordering_provider.email:
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# send_mail(
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# subject=f'Imaging Results Available: {order.order_number}',
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# message=f'Imaging results are now available for {order.patient.get_full_name()}.',
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# from_email='radiology@hospital.com',
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# recipient_list=[order.ordering_provider.email],
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# fail_silently=True
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# )
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#
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# def update_quality_metrics(self, order):
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# """Update radiology quality metrics"""
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# # This would update quality and performance metrics
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# pass
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#
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# def generate_order_summary(self, order):
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# """Generate imaging order summary report"""
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# # This would generate a comprehensive order report
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# pass
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#
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#
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# class RadiologyReportProcess(Process):
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# """
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# Viewflow process model for radiology reports
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# """
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# radiology_report = ModelField(RadiologyReport, help_text='Associated radiology report')
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#
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# # Process status tracking
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# report_initiated = models.BooleanField(default=False)
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# preliminary_read = models.BooleanField(default=False)
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# report_dictated = models.BooleanField(default=False)
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# report_transcribed = models.BooleanField(default=False)
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# report_reviewed = models.BooleanField(default=False)
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# report_signed = models.BooleanField(default=False)
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# report_distributed = models.BooleanField(default=False)
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#
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# class Meta:
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# verbose_name = 'Radiology Report Process'
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# verbose_name_plural = 'Radiology Report Processes'
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#
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#
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# class RadiologyReportFlow(Flow):
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# """
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# Radiology Report Workflow
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#
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# This flow manages the radiology reporting process from initial
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# interpretation through final report distribution.
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# """
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#
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# process_class = RadiologyReportProcess
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#
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# # Flow definition
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# start = (
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# flow_func(this.start_report)
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# .Next(this.preliminary_interpretation)
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# )
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#
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# preliminary_interpretation = (
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# flow_view(PreliminaryInterpretationView)
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# .Permission('radiology.can_preliminary_interpret')
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# .Next(this.dictate_report)
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# )
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#
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# dictate_report = (
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# flow_view(ReportDictationView)
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# .Permission('radiology.can_dictate_reports')
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# .Next(this.transcribe_report)
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# )
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#
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# transcribe_report = (
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# flow_view(ReportTranscriptionView)
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# .Permission('radiology.can_transcribe_reports')
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# .Next(this.review_report)
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# )
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#
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# review_report = (
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# flow_view(ReportReviewView)
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# .Permission('radiology.can_review_reports')
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# .Next(this.sign_report)
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# )
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#
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# sign_report = (
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# flow_view(ReportSigningView)
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# .Permission('radiology.can_sign_reports')
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# .Next(this.distribute_report)
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# )
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#
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# distribute_report = (
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# flow_func(this.complete_report)
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# .Next(this.end)
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# )
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#
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# end = flow_func(this.end_report)
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#
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# # Flow functions
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# def start_report(self, activation):
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# """Initialize the report process"""
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# process = activation.process
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# report = process.radiology_report
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#
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# # Update report status
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# report.status = 'DRAFT'
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# report.save()
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#
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# # Assign to radiologist
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# self.assign_radiologist(report)
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#
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# def complete_report(self, activation):
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# """Finalize the report process"""
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# process = activation.process
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# report = process.radiology_report
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#
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# # Update report status
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# report.status = 'FINAL'
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# report.finalized_datetime = timezone.now()
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# report.save()
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#
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# # Mark process as completed
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# process.report_distributed = True
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# process.save()
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#
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# # Send distribution notifications
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# self.distribute_final_report(report)
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#
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# def end_report(self, activation):
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# """End the report workflow"""
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# process = activation.process
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#
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# # Generate report metrics
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# self.generate_report_metrics(process.radiology_report)
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#
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# # Helper methods
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# def assign_radiologist(self, report):
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# """Assign radiologist to report"""
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# # This would implement radiologist assignment logic
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# pass
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#
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# def distribute_final_report(self, report):
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# """Distribute final report"""
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# # Notify referring physician
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# if report.study.referring_physician and report.study.referring_physician.email:
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# send_mail(
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# subject=f'Final Report Available: {report.study.accession_number}',
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# message=f'Final radiology report is available for {report.study.patient.get_full_name()}.',
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# from_email='radiology@hospital.com',
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# recipient_list=[report.study.referring_physician.email],
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# fail_silently=True
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# )
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#
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# def generate_report_metrics(self, report):
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# """Generate report performance metrics"""
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# # This would generate reporting metrics
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# pass
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#
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#
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# class QualityAssuranceProcess(Process):
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# """
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# Viewflow process model for radiology quality assurance
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# """
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# study_id = CharField(max_length=50, help_text='Study identifier')
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# qa_type = CharField(max_length=20, help_text='Type of QA review')
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#
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# # Process status tracking
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# qa_initiated = models.BooleanField(default=False)
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# images_reviewed = models.BooleanField(default=False)
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# report_reviewed = models.BooleanField(default=False)
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# discrepancies_identified = models.BooleanField(default=False)
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# feedback_provided = models.BooleanField(default=False)
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# qa_completed = models.BooleanField(default=False)
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#
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# class Meta:
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# verbose_name = 'Quality Assurance Process'
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# verbose_name_plural = 'Quality Assurance Processes'
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#
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|
#
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# class QualityAssuranceFlow(Flow):
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# """
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# Radiology Quality Assurance Workflow
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#
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# This flow manages quality assurance reviews including
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# image quality, report accuracy, and peer review.
|
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# """
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#
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# process_class = QualityAssuranceProcess
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#
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# # Flow definition
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# start = (
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# flow_func(this.start_qa_review)
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# .Next(this.review_images)
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# )
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|
#
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# review_images = (
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# flow_view(ImageQualityReviewView)
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# .Permission('radiology.can_review_image_quality')
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|
# .Next(this.review_report)
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|
# )
|
|
#
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|
# review_report = (
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# flow_view(ReportQualityReviewView)
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# .Permission('radiology.can_review_report_quality')
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|
# .Next(this.identify_discrepancies)
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|
# )
|
|
#
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# identify_discrepancies = (
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# flow_func(this.assess_discrepancies)
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|
# .Next(this.provide_feedback)
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|
# )
|
|
#
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|
# provide_feedback = (
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# flow_view(QAFeedbackView)
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|
# .Permission('radiology.can_provide_qa_feedback')
|
|
# .Next(this.finalize_qa)
|
|
# )
|
|
#
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|
# finalize_qa = (
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|
# flow_func(this.complete_qa_review)
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|
# .Next(this.end)
|
|
# )
|
|
#
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|
# end = flow_func(this.end_qa_review)
|
|
#
|
|
# # Flow functions
|
|
# def start_qa_review(self, activation):
|
|
# """Initialize the QA review process"""
|
|
# process = activation.process
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|
#
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# # Notify QA staff
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|
# self.notify_qa_staff(process.study_id, process.qa_type)
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|
#
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|
# def assess_discrepancies(self, activation):
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|
# """Assess for discrepancies"""
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|
# process = activation.process
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|
#
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# # Check for discrepancies
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|
# discrepancies = self.check_discrepancies(process.study_id)
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|
#
|
|
# if discrepancies:
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# process.discrepancies_identified = True
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# process.save()
|
|
#
|
|
# # Alert QA supervisor
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|
# self.alert_qa_supervisor(process.study_id, discrepancies)
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|
#
|
|
# def complete_qa_review(self, activation):
|
|
# """Finalize the QA review process"""
|
|
# process = activation.process
|
|
#
|
|
# # Mark QA as completed
|
|
# process.qa_completed = True
|
|
# process.save()
|
|
#
|
|
# # Generate QA report
|
|
# self.generate_qa_report(process.study_id, process.qa_type)
|
|
#
|
|
# def end_qa_review(self, activation):
|
|
# """End the QA review workflow"""
|
|
# process = activation.process
|
|
#
|
|
# # Update QA metrics
|
|
# self.update_qa_metrics(process.study_id, process.qa_type)
|
|
#
|
|
# # Helper methods
|
|
# def notify_qa_staff(self, study_id, qa_type):
|
|
# """Notify QA staff"""
|
|
# qa_staff = User.objects.filter(
|
|
# groups__name='Radiology QA'
|
|
# )
|
|
#
|
|
# for staff in qa_staff:
|
|
# send_mail(
|
|
# subject=f'QA Review Required: {study_id}',
|
|
# message=f'{qa_type} QA review required for study {study_id}.',
|
|
# from_email='radiology@hospital.com',
|
|
# recipient_list=[staff.email],
|
|
# fail_silently=True
|
|
# )
|
|
#
|
|
# def check_discrepancies(self, study_id):
|
|
# """Check for discrepancies"""
|
|
# # This would implement discrepancy checking logic
|
|
# return []
|
|
#
|
|
# def alert_qa_supervisor(self, study_id, discrepancies):
|
|
# """Alert QA supervisor of discrepancies"""
|
|
# supervisors = User.objects.filter(
|
|
# groups__name='Radiology QA Supervisors'
|
|
# )
|
|
#
|
|
# for supervisor in supervisors:
|
|
# send_mail(
|
|
# subject=f'QA Discrepancies Found: {study_id}',
|
|
# message=f'Quality assurance discrepancies identified for study {study_id}.',
|
|
# from_email='radiology@hospital.com',
|
|
# recipient_list=[supervisor.email],
|
|
# fail_silently=True
|
|
# )
|
|
#
|
|
# def generate_qa_report(self, study_id, qa_type):
|
|
# """Generate QA report"""
|
|
# # This would generate QA report
|
|
# pass
|
|
#
|
|
# def update_qa_metrics(self, study_id, qa_type):
|
|
# """Update QA metrics"""
|
|
# # This would update QA metrics
|
|
# pass
|
|
#
|
|
#
|
|
# class EquipmentMaintenanceProcess(Process):
|
|
# """
|
|
# Viewflow process model for radiology equipment maintenance
|
|
# """
|
|
# equipment_id = CharField(max_length=50, help_text='Equipment identifier')
|
|
# maintenance_type = CharField(max_length=20, help_text='Type of maintenance')
|
|
#
|
|
# # Process status tracking
|
|
# maintenance_scheduled = models.BooleanField(default=False)
|
|
# equipment_inspected = models.BooleanField(default=False)
|
|
# maintenance_performed = models.BooleanField(default=False)
|
|
# quality_testing_completed = models.BooleanField(default=False)
|
|
# equipment_calibrated = models.BooleanField(default=False)
|
|
# equipment_returned = models.BooleanField(default=False)
|
|
#
|
|
# class Meta:
|
|
# verbose_name = 'Equipment Maintenance Process'
|
|
# verbose_name_plural = 'Equipment Maintenance Processes'
|
|
#
|
|
#
|
|
# class EquipmentMaintenanceFlow(Flow):
|
|
# """
|
|
# Radiology Equipment Maintenance Workflow
|
|
#
|
|
# This flow manages equipment maintenance including scheduling,
|
|
# inspection, repair, calibration, and quality testing.
|
|
# """
|
|
#
|
|
# process_class = EquipmentMaintenanceProcess
|
|
#
|
|
# # Flow definition
|
|
# start = (
|
|
# flow_func(this.start_equipment_maintenance)
|
|
# .Next(this.schedule_maintenance)
|
|
# )
|
|
#
|
|
# schedule_maintenance = (
|
|
# flow_view(MaintenanceSchedulingView)
|
|
# .Permission('radiology.can_schedule_maintenance')
|
|
# .Next(this.inspect_equipment)
|
|
# )
|
|
#
|
|
# inspect_equipment = (
|
|
# flow_view(EquipmentInspectionView)
|
|
# .Permission('radiology.can_inspect_equipment')
|
|
# .Next(this.perform_maintenance)
|
|
# )
|
|
#
|
|
# perform_maintenance = (
|
|
# flow_view(MaintenanceExecutionView)
|
|
# .Permission('radiology.can_perform_maintenance')
|
|
# .Next(this.quality_testing)
|
|
# )
|
|
#
|
|
# quality_testing = (
|
|
# flow_view(QualityTestingView)
|
|
# .Permission('radiology.can_perform_quality_testing')
|
|
# .Next(this.calibrate_equipment)
|
|
# )
|
|
#
|
|
# calibrate_equipment = (
|
|
# flow_view(EquipmentCalibrationView)
|
|
# .Permission('radiology.can_calibrate_equipment')
|
|
# .Next(this.return_equipment)
|
|
# )
|
|
#
|
|
# return_equipment = (
|
|
# flow_func(this.complete_equipment_maintenance)
|
|
# .Next(this.end)
|
|
# )
|
|
#
|
|
# end = flow_func(this.end_equipment_maintenance)
|
|
#
|
|
# # Flow functions
|
|
# def start_equipment_maintenance(self, activation):
|
|
# """Initialize the equipment maintenance process"""
|
|
# process = activation.process
|
|
#
|
|
# # Notify maintenance staff
|
|
# self.notify_maintenance_staff(process.equipment_id, process.maintenance_type)
|
|
#
|
|
# # Take equipment offline
|
|
# self.take_equipment_offline(process.equipment_id)
|
|
#
|
|
# def complete_equipment_maintenance(self, activation):
|
|
# """Finalize the equipment maintenance process"""
|
|
# process = activation.process
|
|
#
|
|
# # Mark equipment as available
|
|
# self.return_equipment_to_service(process.equipment_id)
|
|
#
|
|
# # Mark process as completed
|
|
# process.equipment_returned = True
|
|
# process.save()
|
|
#
|
|
# # Notify completion
|
|
# self.notify_maintenance_completion(process.equipment_id)
|
|
#
|
|
# def end_equipment_maintenance(self, activation):
|
|
# """End the equipment maintenance workflow"""
|
|
# process = activation.process
|
|
#
|
|
# # Generate maintenance report
|
|
# self.generate_maintenance_report(process.equipment_id, process.maintenance_type)
|
|
#
|
|
# # Helper methods
|
|
# def notify_maintenance_staff(self, equipment_id, maintenance_type):
|
|
# """Notify maintenance staff"""
|
|
# maintenance_staff = User.objects.filter(
|
|
# groups__name='Radiology Maintenance'
|
|
# )
|
|
#
|
|
# for staff in maintenance_staff:
|
|
# send_mail(
|
|
# subject=f'Equipment Maintenance Required: {equipment_id}',
|
|
# message=f'{maintenance_type} maintenance required for equipment {equipment_id}.',
|
|
# from_email='maintenance@hospital.com',
|
|
# recipient_list=[staff.email],
|
|
# fail_silently=True
|
|
# )
|
|
#
|
|
# def take_equipment_offline(self, equipment_id):
|
|
# """Take equipment offline for maintenance"""
|
|
# # This would update equipment status
|
|
# pass
|
|
#
|
|
# def return_equipment_to_service(self, equipment_id):
|
|
# """Return equipment to service"""
|
|
# # This would update equipment status
|
|
# pass
|
|
#
|
|
# def notify_maintenance_completion(self, equipment_id):
|
|
# """Notify maintenance completion"""
|
|
# # This would notify relevant staff
|
|
# pass
|
|
#
|
|
# def generate_maintenance_report(self, equipment_id, maintenance_type):
|
|
# """Generate maintenance report"""
|
|
# # This would generate maintenance report
|
|
# pass
|
|
#
|
|
#
|
|
# # Celery tasks for background processing
|
|
# @celery.job
|
|
# def auto_schedule_studies():
|
|
# """Background task to automatically schedule imaging studies"""
|
|
# try:
|
|
# # This would perform automated study scheduling
|
|
# return True
|
|
# except Exception:
|
|
# return False
|
|
#
|
|
#
|
|
# @celery.job
|
|
# def monitor_report_turnaround_times():
|
|
# """Background task to monitor report turnaround times"""
|
|
# try:
|
|
# # This would monitor reporting performance
|
|
# return True
|
|
# except Exception:
|
|
# return False
|
|
#
|
|
#
|
|
# @celery.job
|
|
# def generate_radiology_metrics():
|
|
# """Background task to generate radiology performance metrics"""
|
|
# try:
|
|
# # This would generate performance reports
|
|
# return True
|
|
# except Exception:
|
|
# return False
|
|
#
|
|
#
|
|
# @celery.job
|
|
# def auto_assign_radiologists():
|
|
# """Background task to automatically assign radiologists to studies"""
|
|
# try:
|
|
# # This would auto-assign radiologists
|
|
# return True
|
|
# except Exception:
|
|
# return False
|
|
#
|