Convert investigator id to investigator name in descriptive subheader on admin lists, update unit test, linting

src/registrar/admin.py

@@ -41,20 +41,48 @@ class ListHeaderAdmin(AuditedAdmin):
         return super().changelist_view(request, extra_context=extra_context)
 
     def get_filters(self, request):
+        """Retrieve the current set of parameters being used to filter the table
+        Returns:
+            dictionary objects in the format {parameter_name: string,
+            parameter_value: string}
+        TODO: convert investigator id to investigator username
+        """
+
         filters = []
         # Retrieve the filter parameters
         for param in request.GET.keys():
             # Exclude the default search parameter 'q'
             if param != "q" and param != "o":
-                # Append the filter parameter and its value to the list
+                parameter_name = (
-                filters.append(
+                    param.replace("__exact", "")
-                    {
+                    .replace("_type", "")
-                        "parameter_name": param.replace("__exact", "")
+                    .replace("__id", " id")
-                        .replace("_type", "")
-                        .replace("__id", " id"),
-                        "parameter_value": request.GET.get(param),
-                    }
                 )
+
+                if parameter_name == "investigator id":
+                    # Retrieves the corresponding contact from Users
+                    id_value = request.GET.get(param)
+                    try:
+                        contact = models.User.objects.get(id=id_value)
+                        investigator_name = contact.first_name + " " + contact.last_name
+
+                        filters.append(
+                            {
+                                "parameter_name": "investigator",
+                                "parameter_value": investigator_name,
+                            }
+                        )
+                    except models.User.DoesNotExist:
+                        pass
+                else:
+                    # For other parameter names, append a dictionary with the original
+                    # parameter_name and the corresponding parameter_value
+                    filters.append(
+                        {
+                            "parameter_name": parameter_name,
+                            "parameter_value": request.GET.get(param),
+                        }
+                    )
         return filters
 
 
@@ -128,6 +156,7 @@ class DomainApplicationAdmin(ListHeaderAdmin):
 
     """Customize the applications listing view."""
 
+    # Columns
     list_display = [
         "requested_domain",
         "status",
@@ -136,7 +165,11 @@ class DomainApplicationAdmin(ListHeaderAdmin):
         "submitter",
         "investigator",
     ]
+
+    # Filters
     list_filter = ("status", "organization_type", "investigator")
+
+    # Search
     search_fields = [
         "requested_domain__name",
         "submitter__email",
@@ -144,6 +177,8 @@ class DomainApplicationAdmin(ListHeaderAdmin):
         "submitter__last_name",
     ]
     search_help_text = "Search by domain or submitter."
+
+    # Detail view
     fieldsets = [
         (None, {"fields": ["status", "investigator", "creator"]}),
         (
@@ -192,6 +227,8 @@ class DomainApplicationAdmin(ListHeaderAdmin):
             {"fields": ["is_policy_acknowledged"]},
         ),
     ]
+
+    # Read only that we'll leverage for CISA Analysts
     readonly_fields = [
         "creator",
         "type_of_work",
@@ -240,7 +277,7 @@ class DomainApplicationAdmin(ListHeaderAdmin):
     def get_readonly_fields(self, request, obj=None):
         if request.user.is_superuser:
             # Superusers have full access, no fields are read-only
-            return ()
+            return []
         else:
             # Regular users can only view the specified fields
             return self.readonly_fields

src/registrar/config/settings.py

@@ -91,11 +91,11 @@ INSTALLED_APPS = [
     # vv Required by django.contrib.admin vv
     # the "user" model! *\o/*
     "django.contrib.auth",
-    # generic interface for Django models
+    # audit logging of changes to models
-    "auditlog",
-    # library to simplify form templating
     # it needs to be listed before django.contrib.contenttypes
     # for a ContentType query in fixtures.py
+    "auditlog",
+    # generic interface for Django models
     "django.contrib.contenttypes",
     # required for CSRF protection and many other things
     "django.contrib.sessions",
@@ -108,7 +108,7 @@ INSTALLED_APPS = [
     "django.contrib.staticfiles",
     # application used for integrating with Login.gov
     "djangooidc",
-    # audit logging of changes to models
+    # library to simplify form templating
     "widget_tweaks",
     # library for Finite State Machine statuses
     "django_fsm",

src/registrar/fixtures.py

@@ -65,6 +65,11 @@ class UserFixture:
             "first_name": "Rachid-Analyst",
             "last_name": "Mrad-Analyst",
         },
+        {
+            "username": "b6a15987-5c88-4e26-8de2-ca71a0bdb2cd",
+            "first_name": "Alysia-Analyst",
+            "last_name": "Alysia-Analyst",
+        },
     ]
 
     STAFF_PERMISSIONS = [
@@ -99,7 +104,7 @@ class UserFixture:
                 logger.debug("User object created for %s" % admin["first_name"])
             except Exception as e:
                 logger.warning(e)
-        logger.debug("All superusers loaded.")
+        logger.info("All superusers loaded.")
 
         logger.info("Going to load %s CISA analysts (staff)" % str(len(cls.STAFF)))
         for staff in cls.STAFF:
@@ -150,7 +155,7 @@ class UserFixture:
                 logger.debug("User object created for %s" % staff["first_name"])
             except Exception as e:
                 logger.warning(e)
-        logger.debug("All CISA analysts (staff) loaded.")
+        logger.info("All CISA analysts (staff) loaded.")
 
 
 class DomainApplicationFixture:

src/registrar/tests/common.py

@@ -8,7 +8,7 @@ from typing import List, Dict
 from django.conf import settings
 from django.contrib.auth import get_user_model, login
 
-from registrar.models import Contact, DraftDomain, Website, DomainApplication
+from registrar.models import Contact, DraftDomain, Website, DomainApplication, User
 
 
 def get_handlers():
@@ -157,3 +157,17 @@ def completed_application(
         application.alternative_domains.add(alt)
 
     return application
+
+def mock_user():
+    """A simple user."""
+    user_kwargs = dict(
+        id = 4,
+        first_name = "Rachid",
+        last_name = "Mrad",
+    )
+    
+    user, _ = User.objects.get_or_create(
+        **user_kwargs
+    )
+
+    return user

src/registrar/tests/test_admin.py

@@ -2,7 +2,7 @@ from django.test import TestCase, RequestFactory, Client
 from django.contrib.admin.sites import AdminSite
 from registrar.admin import DomainApplicationAdmin, ListHeaderAdmin
 from registrar.models import DomainApplication, DomainInformation, User
-from .common import completed_application
+from .common import completed_application, mock_user
 from django.contrib.auth import get_user_model
 
 from django.conf import settings
@@ -183,13 +183,16 @@ class TestDomainApplicationAdmin(TestCase):
         # Have to get creative to get past linter
         p = "adminpassword"
         self.client.login(username="admin", password=p)
+        
+        # Mock a user
+        user = mock_user()
 
         # Make the request using the Client class
         # which handles CSRF
         # Follow=True handles the redirect
         response = self.client.get(
             "/admin/registrar/domainapplication/",
-            {"status__exact": "started", "investigator__id__exact": "4", "q": "Hello"},
+            {"status__exact": "started", "investigator__id__exact": user.id, "q": "Hello"},
             follow=True,
         )
 
@@ -204,7 +207,7 @@ class TestDomainApplicationAdmin(TestCase):
             filters,
             [
                 {"parameter_name": "status", "parameter_value": "started"},
-                {"parameter_name": "investigator id", "parameter_value": "4"},
+                {"parameter_name": "investigator", "parameter_value": user.first_name + " " + user.last_name},
             ],
         )
 
@@ -212,7 +215,7 @@ class TestDomainApplicationAdmin(TestCase):
         # Create a mock request object
         request = self.factory.get("/admin/yourmodel/")
         # Set the GET parameters for testing
-        request.GET = {"status": "started", "investigator id": "4", "q": "search_value"}
+        request.GET = {"status": "started", "investigator": "Rachid Mrad", "q": "search_value"}
         # Call the get_filters method
         filters = self.admin.get_filters(request)
 
@@ -221,11 +224,12 @@ class TestDomainApplicationAdmin(TestCase):
             filters,
             [
                 {"parameter_name": "status", "parameter_value": "started"},
-                {"parameter_name": "investigator id", "parameter_value": "4"},
+                {"parameter_name": "investigator", "parameter_value": "Rachid Mrad"},
             ],
         )
 
     def tearDown(self):
         # delete any applications too
         DomainApplication.objects.all().delete()
+        User.objects.all().delete()
         self.superuser.delete()