Implement resource search functionality and enhance resource management in case details

atlas/views.py

@@ -46,7 +46,7 @@ from django.http import Http404, JsonResponse
 from django.http import HttpResponseRedirect, HttpResponse
 from django.contrib.contenttypes.models import ContentType
 
-from generic.models import CidUser, CidUserExam, CimarCase
+from generic.models import CidUser, CidUserExam, CimarCase, Site
 from atlas.helpers import get_cases_available_to_user
 from rad.settings import REMOTE_URL, CIMAR_USERNAME, CIMAR_PASSWORD
 
@@ -478,6 +478,9 @@ def case_detail(request, pk):
             "is_atlas_editor": is_atlas_editor,
             "is_case_author": is_case_author,
             "can_mark_normal": can_mark_normal,
+            # Provide helper lists for resource search filters
+            "site_queryset": Site.objects.all(),
+            "subspecialty_queryset": Subspecialty.objects.all(),
         },
     )
 
@@ -4007,6 +4010,102 @@ def case_dicom_json(request, pk):
     return JsonResponse(case.get_case_dicom_json())
 
 
+@login_required
+def resource_search_widget(request):
+    """HTMX endpoint: search existing `Resource` objects with simple filters.
+
+    GET params:
+    - q: query string (name/description)
+    - site: site id (optional)
+    - subspecialty: subspecialty id (optional)
+    - open_access: '1' or '0' (optional)
+
+    Returns rendered partial `atlas/partials/resource_search_widget_results.html`.
+    """
+    from .models import Resource
+
+    q = request.GET.get("q", "").strip()
+    site = request.GET.get("site")
+    subspecialty = request.GET.get("subspecialty")
+    open_access = request.GET.get("open_access")
+
+    qs = Resource.objects.all()
+    if q:
+        qs = qs.filter(Q(name__icontains=q) | Q(description__icontains=q) | Q(url__icontains=q))
+    if site:
+        try:
+            qs = qs.filter(sites__id=int(site))
+        except Exception:
+            pass
+    if subspecialty:
+        try:
+            qs = qs.filter(subspecialty__id=int(subspecialty))
+        except Exception:
+            pass
+    if open_access in ["0", "1"]:
+        qs = qs.filter(open_access=(open_access == "1"))
+
+    # Restrict to what the user may see: open_access or authored (unless editor)
+    if not (request.user.is_superuser or request.user.groups.filter(name="atlas_editor").exists()):
+        qs = qs.filter(Q(open_access=True) | Q(author__id=request.user.id)).distinct()
+
+    results = qs.order_by("name")[:50]
+
+    field = request.GET.get("field", "resource_search")
+    case_id = request.GET.get("case_id")
+    return render(request, "atlas/partials/resource_search_widget_results.html", {"results": results, "field": field, "case_id": case_id})
+
+
+@login_required
+@require_POST
+def case_attach_resource(request, pk):
+    """Attach an existing resource to the case (HTMX POST).
+
+    POST params:
+    - resource_id: integer
+    - pre_review: '1' or '0' (optional)
+
+    Returns the updated `atlas/partials/case_resources_list.html` fragment.
+    """
+    case = get_case_for_case_detail(pk)
+    if not case.check_user_can_edit(request.user):
+        return HttpResponse(status=403)
+
+    resource_id = request.POST.get("resource_id")
+    pre_review = request.POST.get("pre_review", "0") == "1"
+    from .models import Resource, CaseResource
+    try:
+        resource = Resource.objects.get(pk=int(resource_id))
+    except Exception:
+        return HttpResponse(status=400)
+
+    # create if not exists
+    cr, created = CaseResource.objects.get_or_create(case=case, resource=resource, defaults={"pre_review": pre_review})
+    if not created:
+        # update flag
+        cr.pre_review = pre_review
+        cr.save()
+
+    # Render updated list
+    return render(request, "atlas/partials/case_resources_list.html", {"case": case})
+
+
+@login_required
+@require_POST
+def case_detach_resource(request, pk):
+    case = get_case_for_case_detail(pk)
+    if not case.check_user_can_edit(request.user):
+        return HttpResponse(status=403)
+    resource_id = request.POST.get("resource_id")
+    from .models import CaseResource
+    try:
+        cr = CaseResource.objects.filter(case=case, resource__id=int(resource_id))
+        cr.delete()
+    except Exception:
+        pass
+    return render(request, "atlas/partials/case_resources_list.html", {"case": case})
+
+
 def series_dicom_json(request, pk):
     series = get_object_or_404(Series, pk=pk)