back-end 1.0

backend/asgi.py

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+"""
+ASGI config for backend project.
+
+It exposes the ASGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/5.1/howto/deployment/asgi/
+"""
+
+import os
+
+from django.core.asgi import get_asgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'backend.settings')
+
+application = get_asgi_application()

backend/settings.py

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+"""
+Django settings for backend project.
+
+Generated by 'django-admin startproject' using Django 5.1.5.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/5.1/topics/settings/
+
+For the full list of settings and their values, see
+https://docs.djangoproject.com/en/5.1/ref/settings/
+"""
+
+from pathlib import Path
+
+# Build paths inside the project like this: BASE_DIR / 'subdir'.
+BASE_DIR = Path(__file__).resolve().parent.parent
+
+
+# Quick-start development settings - unsuitable for production
+# See https://docs.djangoproject.com/en/5.1/howto/deployment/checklist/
+
+# SECURITY WARNING: keep the secret key used in production secret!
+SECRET_KEY = 'django-insecure-z8m_e(v=^%)1f-=hgcl1d7a2%rg_#w$r$ig%x%l8ua_cj(ts)w'
+
+# SECURITY WARNING: don't run with debug turned on in production!
+DEBUG = True
+
+ALLOWED_HOSTS = []
+
+
+# Application definition
+
+INSTALLED_APPS = [
+    'django.contrib.admin',
+    'django.contrib.auth',
+    'django.contrib.contenttypes',
+    'django.contrib.sessions',
+    'django.contrib.messages',
+    'django.contrib.staticfiles',
+    'rest_framework',  # Django Rest Framework
+    'orthanc',  # Наше приложение
+]
+
+MIDDLEWARE = [
+    'django.middleware.security.SecurityMiddleware',
+    'django.contrib.sessions.middleware.SessionMiddleware',
+    'django.middleware.common.CommonMiddleware',
+    'django.middleware.csrf.CsrfViewMiddleware',
+    'django.contrib.auth.middleware.AuthenticationMiddleware',
+    'django.contrib.messages.middleware.MessageMiddleware',
+    'django.middleware.clickjacking.XFrameOptionsMiddleware',
+]
+
+ROOT_URLCONF = 'backend.urls'
+
+TEMPLATES = [
+    {
+        'BACKEND': 'django.template.backends.django.DjangoTemplates',
+        'DIRS': [],
+        'APP_DIRS': True,
+        'OPTIONS': {
+            'context_processors': [
+                'django.template.context_processors.debug',
+                'django.template.context_processors.request',
+                'django.contrib.auth.context_processors.auth',
+                'django.contrib.messages.context_processors.messages',
+            ],
+        },
+    },
+]
+
+WSGI_APPLICATION = 'backend.wsgi.application'
+
+
+# Database
+# https://docs.djangoproject.com/en/5.1/ref/settings/#databases
+
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.postgresql',
+        'NAME': 'xray',
+        'USER': 'postgres',
+        'PASSWORD': '1240069630Bk!',
+        'HOST': 'localhost',
+        'PORT': '5432',
+    }
+}
+
+
+# Password validation
+# https://docs.djangoproject.com/en/5.1/ref/settings/#auth-password-validators
+
+AUTH_PASSWORD_VALIDATORS = [
+    {
+        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
+    },
+]
+
+
+# Internationalization
+# https://docs.djangoproject.com/en/5.1/topics/i18n/
+
+LANGUAGE_CODE = 'en-us'
+
+TIME_ZONE = 'UTC'
+
+USE_I18N = True
+
+USE_TZ = True
+
+
+# Static files (CSS, JavaScript, Images)
+# https://docs.djangoproject.com/en/5.1/howto/static-files/
+
+STATIC_URL = 'static/'
+
+# Default primary key field type
+# https://docs.djangoproject.com/en/5.1/ref/settings/#default-auto-field
+
+DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'
+REST_FRAMEWORK = {
+    'DEFAULT_AUTHENTICATION_CLASSES': (
+        'rest_framework_simplejwt.authentication.JWTAuthentication',
+    ),
+    'DEFAULT_PERMISSION_CLASSES': (
+        'rest_framework.permissions.IsAuthenticated',
+    ),
+}
+
+# Настройки токенов
+from datetime import timedelta
+SIMPLE_JWT = {
+    'ACCESS_TOKEN_LIFETIME': timedelta(minutes=30),  # Срок действия токена
+    'REFRESH_TOKEN_LIFETIME': timedelta(days=1),
+    'AUTH_HEADER_TYPES': ('Bearer',),
+}

backend/urls.py

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+"""
+URL configuration for backend project.
+
+The `urlpatterns` list routes URLs to views. For more information please see:
+    https://docs.djangoproject.com/en/5.1/topics/http/urls/
+Examples:
+Function views
+    1. Add an import:  from my_app import views
+    2. Add a URL to urlpatterns:  path('', views.home, name='home')
+Class-based views
+    1. Add an import:  from other_app.views import Home
+    2. Add a URL to urlpatterns:  path('', Home.as_view(), name='home')
+Including another URLconf
+    1. Import the include() function: from django.urls import include, path
+    2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
+"""
+from django.contrib import admin
+from django.urls import path, include
+
+urlpatterns = [
+    path('admin/', admin.site.urls),
+    # path('patients/', include('orthanc.urls')),
+    path('auth/', include('orthanc.urls')),
+]
+

backend/wsgi.py

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+"""
+WSGI config for backend project.
+
+It exposes the WSGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/5.1/howto/deployment/wsgi/
+"""
+
+import os
+
+from django.core.wsgi import get_wsgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'backend.settings')
+
+application = get_wsgi_application()

manage.py

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+#!/usr/bin/env python
+"""Django's command-line utility for administrative tasks."""
+import os
+import sys
+
+
+def main():
+    """Run administrative tasks."""
+    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'backend.settings')
+    try:
+        from django.core.management import execute_from_command_line
+    except ImportError as exc:
+        raise ImportError(
+            "Couldn't import Django. Are you sure it's installed and "
+            "available on your PYTHONPATH environment variable? Did you "
+            "forget to activate a virtual environment?"
+        ) from exc
+    execute_from_command_line(sys.argv)
+
+
+if __name__ == '__main__':
+    main()

orthanc/admin.py

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+from django.contrib import admin
+
+# Register your models here.

orthanc/apps.py

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+from django.apps import AppConfig
+
+
+class OrthancConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'orthanc'

orthanc/migrations/0001_initial.py

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+# Generated by Django 5.1.5 on 2025-01-26 03:23
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Patient',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('orthanc_id', models.CharField(max_length=255, unique=True)),
+                ('patient_id', models.CharField(blank=True, max_length=255, null=True)),
+                ('patient_name', models.CharField(blank=True, max_length=255, null=True)),
+                ('patient_sex', models.CharField(blank=True, max_length=10, null=True)),
+                ('patient_birth_date', models.CharField(blank=True, max_length=20, null=True)),
+                ('studies', models.JSONField(blank=True, null=True)),
+                ('patient_metadata', models.JSONField(blank=True, null=True)),
+            ],
+        ),
+    ]

orthanc/migrations/0002_series_instance.py

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+# Generated by Django 5.1.5 on 2025-01-26 08:47
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('orthanc', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Series',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('orthanc_id', models.CharField(max_length=255, unique=True)),
+                ('parent_study', models.CharField(max_length=255)),
+                ('main_dicom_tags', models.JSONField(blank=True, null=True)),
+                ('status', models.CharField(blank=True, max_length=50, null=True)),
+                ('is_stable', models.BooleanField(default=False)),
+                ('last_update', models.CharField(blank=True, max_length=50, null=True)),
+                ('patient', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='series', to='orthanc.patient')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Instance',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('orthanc_id', models.CharField(max_length=255, unique=True)),
+                ('file_size', models.IntegerField(blank=True, null=True)),
+                ('file_uuid', models.CharField(blank=True, max_length=255, null=True)),
+                ('main_dicom_tags', models.JSONField(blank=True, null=True)),
+                ('index_in_series', models.IntegerField(blank=True, null=True)),
+                ('parent_series', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='instances', to='orthanc.series')),
+            ],
+        ),
+    ]

orthanc/models.py

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+from django.db import models
+
+class Patient(models.Model):
+    orthanc_id = models.CharField(max_length=255, unique=True)
+    patient_id = models.CharField(max_length=255, null=True, blank=True)
+    patient_name = models.CharField(max_length=255, null=True, blank=True)
+    patient_sex = models.CharField(max_length=10, null=True, blank=True)
+    patient_birth_date = models.CharField(max_length=20, null=True, blank=True)
+    studies = models.JSONField(null=True, blank=True)  # Массив ID исследований
+    patient_metadata = models.JSONField(null=True, blank=True)
+
+    def __str__(self):
+        return self.patient_name or "Unknown Patient"
+
+class Series(models.Model):
+    orthanc_id = models.CharField(max_length=255, unique=True)
+    parent_study = models.CharField(max_length=255)
+    patient = models.ForeignKey(Patient, related_name="series", on_delete=models.CASCADE)
+    main_dicom_tags = models.JSONField(null=True, blank=True)
+    status = models.CharField(max_length=50, null=True, blank=True)
+    is_stable = models.BooleanField(default=False)
+    last_update = models.CharField(max_length=50, null=True, blank=True)
+
+    def __str__(self):
+        return self.main_dicom_tags.get("SeriesDescription", "Unknown Series")
+
+class Instance(models.Model):
+    orthanc_id = models.CharField(max_length=255, unique=True)
+    parent_series = models.ForeignKey(Series, related_name="instances", on_delete=models.CASCADE)
+    file_size = models.IntegerField(null=True, blank=True)
+    file_uuid = models.CharField(max_length=255, null=True, blank=True)
+    main_dicom_tags = models.JSONField(null=True, blank=True)
+    index_in_series = models.IntegerField(null=True, blank=True)
+
+    def __str__(self):
+        return self.main_dicom_tags.get("SOPInstanceUID", "Unknown Instance")

orthanc/serializers.py

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+from rest_framework import serializers
+from .models import Patient
+
+class PatientSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Patient
+        fields = "__all__"

orthanc/tasks.py

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+import requests
+from urllib3.exceptions import InsecureRequestWarning
+
+from .models import Patient, Series, Instance
+
+# Отключение предупреждений о небезопасном соединении
+requests.packages.urllib3.disable_warnings(InsecureRequestWarning)
+
+ORTHANC_BASE_URL = "http://192.168.2.60:8042"
+ORTHANC_USERNAME = "writehost"
+ORTHANC_PASSWORD = "writehost"
+
+# 1. Получение всех пациентов
+def fetch_patients():
+    url = f"{ORTHANC_BASE_URL}/patients"
+    response = requests.get(url, auth=(ORTHANC_USERNAME, ORTHANC_PASSWORD))
+    response.raise_for_status()
+    return response.json()
+
+# 2. Получение информации о конкретном пациенте
+def fetch_patient_details(orthanc_id):
+    url = f"{ORTHANC_BASE_URL}/patients/{orthanc_id}"
+    response = requests.get(url, auth=(ORTHANC_USERNAME, ORTHANC_PASSWORD))
+    response.raise_for_status()
+    return response.json()
+
+# 3. Получение данных об исследовании
+def fetch_study_details(study_id):
+    url = f"{ORTHANC_BASE_URL}/studies/{study_id}"
+    response = requests.get(url, auth=(ORTHANC_USERNAME, ORTHANC_PASSWORD))
+    response.raise_for_status()
+    return response.json()
+
+# 4. Получение данных о серии
+def fetch_series_details(series_id):
+    url = f"{ORTHANC_BASE_URL}/series/{series_id}"
+    response = requests.get(url, auth=(ORTHANC_USERNAME, ORTHANC_PASSWORD))
+    response.raise_for_status()
+    return response.json()
+
+# 5. Получение данных об изображении (инстансе)
+def fetch_instance_details(instance_id):
+    url = f"{ORTHANC_BASE_URL}/instances/{instance_id}"
+    response = requests.get(url, auth=(ORTHANC_USERNAME, ORTHANC_PASSWORD))
+    response.raise_for_status()
+    return response.json()
+
+# Основная синхронизация
+def sync_patients():
+    patient_ids = fetch_patients()
+    for patient_id in patient_ids:
+        patient_data = fetch_patient_details(patient_id)
+
+        # Синхронизация пациента
+        patient, created = Patient.objects.update_or_create(
+            orthanc_id=patient_id,
+            defaults={
+                "patient_id": patient_data["MainDicomTags"].get("PatientID"),
+                "patient_name": patient_data["MainDicomTags"].get("PatientName"),
+                "patient_sex": patient_data["MainDicomTags"].get("PatientSex"),
+                "patient_birth_date": patient_data["MainDicomTags"].get("PatientBirthDate"),
+                "studies": patient_data.get("Studies", []),
+                "patient_metadata": patient_data.get("Labels", []),
+            },
+        )
+
+        # Синхронизация исследований (Studies)
+        for study_id in patient_data.get("Studies", []):
+            sync_study(study_id, patient)
+
+# Синхронизация исследования
+def sync_study(study_id, patient):
+    study_data = fetch_study_details(study_id)
+    for series_id in study_data.get("Series", []):
+        sync_series(series_id, patient)
+
+# Синхронизация серии
+def sync_series(series_id, patient):
+    series_data = fetch_series_details(series_id)
+    series, created = Series.objects.update_or_create(
+        orthanc_id=series_id,
+        defaults={
+            "parent_study": series_data["ParentStudy"],
+            "patient": patient,
+            "main_dicom_tags": series_data.get("MainDicomTags", {}),
+            "status": series_data.get("Status"),
+            "is_stable": series_data.get("IsStable", False),
+            "last_update": series_data.get("LastUpdate"),
+        },
+    )
+
+    # Синхронизация снимков (Instances)
+    for instance_id in series_data.get("Instances", []):
+        sync_instance(instance_id, series)
+
+# Синхронизация снимка
+def sync_instance(instance_id, series):
+    instance_data = fetch_instance_details(instance_id)
+    Instance.objects.update_or_create(
+        orthanc_id=instance_id,
+        defaults={
+            "parent_series": series,
+            "file_size": instance_data.get("FileSize"),
+            "file_uuid": instance_data.get("FileUuid"),
+            "main_dicom_tags": instance_data.get("MainDicomTags", {}),
+            "index_in_series": instance_data.get("IndexInSeries"),
+        },
+    )

orthanc/tests.py

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+from django.test import TestCase
+
+# Create your tests here.

orthanc/urls.py

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+from django.urls import path
+from .views import PatientListView, SyncPatientsView, ProtectedView
+from rest_framework_simplejwt.views import TokenObtainPairView, TokenRefreshView
+
+urlpatterns = [
+    path('token/', TokenObtainPairView.as_view(), name='token_obtain_pair'),  # Получение токена
+    path('token/refresh/', TokenRefreshView.as_view(), name='token_refresh'),  # Обновление токена
+    path('', PatientListView.as_view(), name='patient-list'),
+    path('sync/', SyncPatientsView.as_view(), name='sync-patients'),
+    path('protected/', ProtectedView.as_view(), name='protected'),
+
+]

orthanc/views.py

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+# from rest_framework.views import APIView
+# from rest_framework.response import Response
+# from rest_framework import status
+# from .models import Patient
+# from .serializers import PatientSerializer
+# from .tasks import fetch_patients, fetch_patient_details, sync_patients
+#
+#
+# class PatientListView(APIView):
+#     def get(self, request):
+#         patients = Patient.objects.all()
+#         serializer = PatientSerializer(patients, many=True)
+#         return Response(serializer.data)
+#
+# class SyncPatientsView(APIView):
+#     def post(self, request):
+#         try:
+#             patient_ids = fetch_patients()
+#             for orthanc_id in patient_ids:
+#                 patient_data = fetch_patient_details(orthanc_id)
+#                 patient, created = Patient.objects.update_or_create(
+#                     orthanc_id=orthanc_id,
+#                     defaults={
+#                         "patient_id": patient_data["MainDicomTags"].get("PatientID"),
+#                         "patient_name": patient_data["MainDicomTags"].get("PatientName"),
+#                         "patient_sex": patient_data["MainDicomTags"].get("PatientSex"),
+#                         "patient_birth_date": patient_data["MainDicomTags"].get("PatientBirthDate"),
+#                         "studies": patient_data.get("Studies", []),
+#                         "patient_metadata": patient_data,
+#                     },
+#                 )
+#             return Response({"message": "Synchronization completed successfully"})
+#         except Exception as e:
+#             return Response({"error": str(e)}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
+#
+# class SyncPatientsView(APIView):
+#     def post(self, request):
+#         try:
+#             sync_patients()
+#             return Response({"detail": "Synchronization completed successfully."}, status=status.HTTP_200_OK)
+#         except Exception as e:
+#             return Response({"detail": str(e)}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
+
+
+
+from rest_framework.views import APIView
+from rest_framework.response import Response
+from rest_framework import status
+from .models import Patient
+from .serializers import PatientSerializer
+from .tasks import fetch_patients, fetch_patient_details, sync_patients
+from rest_framework.permissions import IsAuthenticated
+
+
+
+class ProtectedView(APIView):
+    permission_classes = [IsAuthenticated]
+
+    def get(self, request):
+        return Response({"message": f"Привет, {request.user.username}! Вы авторизованы."})
+
+# Эндпоинт для получения списка пациентов
+class PatientListView(APIView):
+    def get(self, request):
+        patients = Patient.objects.all()
+        serializer = PatientSerializer(patients, many=True)
+        return Response(serializer.data)
+
+# Эндпоинт для синхронизации данных с Orthanc
+class SyncPatientsView(APIView):
+    def post(self, request):
+        try:
+            sync_patients()
+            return Response({"detail": "Synchronization completed successfully."}, status=status.HTTP_200_OK)
+        except Exception as e:
+            return Response({"error": str(e)}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)