Enhance user search widget with wildcard support and field-specific queries; improve logging in bulk add groups

generic/views.py

@@ -389,13 +389,18 @@ def exam_collection_bulk_add_groups(request, collection_id):
     """
     collection = get_object_or_404(ExamCollection, pk=collection_id)
 
+    logger.debug(f"exam_collection_bulk_add_groups called with method={request.method} by user={request.user.username}")
+
+
     if request.method == "GET":
+        logger.debug(f"exam_collection_bulk_add_groups GET request by user={request.user.username}")
         form = ExamCollectionBulkAddGroupsForm(user=request.user)
         return render(request, "generic/partials/examcollection_bulk_add_groups_form.html", {"form": form, "collection": collection})
 
     # POST
     form = ExamCollectionBulkAddGroupsForm(request.POST, user=request.user)
     if not form.is_valid():
+        logger.debug(f"exam_collection_bulk_add_groups form invalid: {form.errors}")
         return render(request, "generic/partials/examcollection_bulk_add_groups_form.html", {"form": form, "collection": collection})
 
     cid_groups = form.cleaned_data.get("cid_user_groups")
@@ -5937,11 +5942,62 @@ def user_search_widget(request):
     Returns a small HTML fragment listing up to 10 matching users. Each
     result will call `addUserToField(field, id, text)` when clicked.
     """
-    q = (request.GET.get("q") or "").strip()
+    import re
+
+    q_raw = (request.GET.get("q") or "").strip()
     field = request.GET.get("field") or request.GET.get("row")
-    if not q:
+    if not q_raw:
         return HttpResponse("")
 
+    # Support wildcard '*' (return many results) and field-scoped queries like 'name:smith' or 'email:foo'
+    q = q_raw
+
+    # If user explicitly asks for wildcard, return an unfiltered queryset (limited)
+    if q in ("*", "%"):
+        users_qs = User.objects.all()
+    else:
+        # field-specific search syntax: field:term
+        m = re.match(r"^(?P<field>\w+):(?P<term>.+)$", q)
+        if m:
+            f = m.group("field").lower()
+            term = m.group("term").strip()
+            if term in ("*", "%"):
+                users_qs = User.objects.all()
+            else:
+                if f in ("name", "fullname", "full_name"):
+                    users_qs = User.objects.filter(
+                        Q(first_name__icontains=term) | Q(last_name__icontains=term)
+                    )
+                elif f in ("first", "first_name"):
+                    users_qs = User.objects.filter(first_name__icontains=term)
+                elif f in ("last", "last_name"):
+                    users_qs = User.objects.filter(last_name__icontains=term)
+                elif f == "email":
+                    users_qs = User.objects.filter(email__icontains=term)
+                elif f == "username":
+                    users_qs = User.objects.filter(username__icontains=term)
+                elif f in ("id", "pk"):
+                    try:
+                        users_qs = User.objects.filter(pk=int(term))
+                    except Exception:
+                        users_qs = User.objects.none()
+                elif f == "grade":
+                    # allow grade name or id
+                    try:
+                        gid = int(term)
+                        users_qs = User.objects.filter(userprofile__grade_id=gid)
+                    except Exception:
+                        users_qs = User.objects.filter(userprofile__grade__name__icontains=term)
+                else:
+                    # unknown field: fallback to general search
+                    users_qs = User.objects.filter(
+                        Q(first_name__icontains=term)
+                        | Q(last_name__icontains=term)
+                        | Q(email__icontains=term)
+                        | Q(username__icontains=term)
+                    )
+        else:
+            # default substring search (icontains)
             users_qs = User.objects.filter(
                 Q(first_name__icontains=q)
                 | Q(last_name__icontains=q)
@@ -5949,19 +6005,28 @@ def user_search_widget(request):
                 | Q(username__icontains=q)
             )
 
-    # optional grade filter (UserProfile.grade FK)
-    grade = request.GET.get('grade')
+    # optional grade filter (UserProfile.grade FK) still applies and will narrow results
+    grade = request.GET.get("grade")
     if grade:
         try:
             users_qs = users_qs.filter(userprofile__grade_id=int(grade))
         except Exception:
             pass
 
-    users_qs = users_qs.order_by("last_name", "first_name")[:10]
+    # Limit results to avoid returning too many rows; wildcard returns up to 50
+    limit = 50 if q in ("*", "%") or q_raw in ("*", "%") else 10
+    users_qs = users_qs.order_by("last_name", "first_name")[:limit]
 
-    results = [{"id": u.pk, "text": f"{u.get_full_name() or u.username} - {u.email or ''}"} for u in users_qs]
+    results = [
+        {"id": u.pk, "text": f"{u.get_full_name() or u.username} - {u.email or ''}"}
+        for u in users_qs
+    ]
 
-    return render(request, "generic/partials/user_search_widget_results.html", {"results": results, "field": field, "q": q})
+    return render(
+        request,
+        "generic/partials/user_search_widget_results.html",
+        {"results": results, "field": field, "q": q_raw},
+    )
 
 
 @login_required