feat: Add case review messaging system with feedback and query capabilities

- Introduced CaseReviewMessage model to handle feedback and queries for cases.
- Implemented views for displaying user and CID messages, including outstanding feedback.
- Created templates for collection feedback overview and user messages.
- Added functionality for acknowledging messages and sending feedback or queries.
- Enhanced collection detail view to show outstanding messages and user message statistics.
- Added tests for handling duplicate DICOM uploads without series.

atlas/forms.py

@@ -46,6 +46,7 @@ from atlas.models import (
     UncategorisedDicom,
     UserReportAnswer,
     CaseDisplaySet,
+    CaseReviewMessage,
 )
 from .models import NormalCase
 
@@ -1123,6 +1124,37 @@ class SelfReviewForm(ModelForm):
         )
 
 
+class CaseReviewMessageForm(ModelForm):
+    class Meta:
+        model = CaseReviewMessage
+        fields = ["message", "requires_acknowledgement"]
+
+    def __init__(self, *args, allow_ack=False, message_placeholder=None, **kwargs):
+        super(CaseReviewMessageForm, self).__init__(*args, **kwargs)
+
+        self.fields["message"].widget.attrs.update(
+            {
+                "rows": 3,
+                "placeholder": message_placeholder or "Write a message...",
+                "class": "form-control",
+            }
+        )
+
+        self.fields["requires_acknowledgement"].widget.attrs.update(
+            {
+                "class": "form-check-input",
+            }
+        )
+
+        if not allow_ack:
+            self.fields["requires_acknowledgement"].widget = HiddenInput()
+            self.fields["requires_acknowledgement"].required = False
+
+        self.helper = FormHelper()
+        self.helper.form_method = "post"
+        self.helper.form_tag = False
+
+
 class UncategorisedDicomForm(ModelForm):
     class Meta:
         model = UncategorisedDicom