add more multiuser support

atlas/models.py

@@ -3,6 +3,7 @@ import json
 import os
 import pathlib
 from typing import Tuple
+import uuid
 
 from django.http import Http404, HttpRequest
 from generic.mixins import AuthorMixin, QuestionMixin
@@ -879,6 +880,30 @@ class Case(models.Model, AuthorMixin, QuestionMixin):
         self._ordered_series_cache = ordered
         return ordered
 
+    def get_case_named_stacks(self):
+        stacks = []
+        for series in self.get_ordered_series():
+            series_images = list(series.get_images())
+            series_images_with_urls = [(img, f"{REMOTE_URL}{img.image.url}") for img in series_images]
+            images = [url for _, url in series_images_with_urls]
+            declared_groups = _build_declared_series_groups(series, series_images_with_urls)
+            stacks.append(
+                {
+                    "name": str(series),
+                    "imageIds": images,
+                    "seriesId": series.pk,
+                    "series": declared_groups,
+                }
+            )
+        results = [
+            {
+                "caseId": f"CASE-{self.pk}",
+                "studyId": "Current Case",
+                "stacks": stacks,
+            }
+        ]
+        return json.dumps(results)
+
     @staticmethod
     def _parse_dicom_date(value):
         if not value:
@@ -2949,4 +2974,15 @@ class PrerequisiteRequired(Exception):
 
     def __init__(self, message=None, *, prereq=None):
         super().__init__(message or "Prerequisite required")
-        self.prereq = prereq
+        self.prereq = prereq
+
+
+class MultiuserSession(models.Model):
+    id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
+    name = models.CharField(max_length=255, blank=True)
+    creator = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE, related_name="created_multiuser_sessions")
+    active_case = models.ForeignKey(Case, on_delete=models.SET_NULL, null=True, blank=True)
+    created_at = models.DateTimeField(auto_now_add=True)
+
+    def __str__(self):
+        return f"Session {self.name or str(self.id)[:8]} by {self.creator}"