refactor(models): more field defaults for TransitAgency

- use CST defaults for user-facing fields
- allow blanks for config fields
- remove null from TextField, not needed when blank=True

benefits/core/migrations/0031_transitagency_enrollmentflow_optionalfields.py

@@ -3,6 +3,9 @@
 import django.db.models.deletion
 from django.db import migrations, models
 
+import benefits.core.models
+import benefits.secrets
+
 
 class Migration(migrations.Migration):
 
@@ -35,17 +38,14 @@ class Migration(migrations.Migration):
             model_name="transitagency",
             name="eligibility_api_id",
             field=models.TextField(
-                blank=True, default="", help_text="The identifier for this agency used in Eligibility API calls.", null=True
+                blank=True, default="", help_text="The identifier for this agency used in Eligibility API calls."
             ),
         ),
         migrations.AlterField(
             model_name="transitagency",
             name="eligibility_api_jws_signing_alg",
             field=models.TextField(
-                blank=True,
-                default="",
-                help_text="The JWS-compatible signing algorithm used in Eligibility API calls.",
-                null=True,
+                blank=True, default="", help_text="The JWS-compatible signing algorithm used in Eligibility API calls."
             ),
         ),
         migrations.AlterField(
@@ -81,6 +81,80 @@ class Migration(migrations.Migration):
                 help_text="Used for URL navigation for this agency, e.g. the agency homepage url is /{slug}"
             ),
         ),
+        migrations.AlterField(
+            model_name="transitagency",
+            name="info_url",
+            field=models.URLField(
+                default="https://www.agency-website.com",
+                help_text="URL of a website/page with more information about the agency's discounts",
+            ),
+        ),
+        migrations.AlterField(
+            model_name="transitagency",
+            name="long_name",
+            field=models.TextField(
+                default="California State Transit",
+                help_text="The user-facing long name for this agency. Often the short_name acronym, spelled out.",
+            ),
+        ),
+        migrations.AlterField(
+            model_name="transitagency",
+            name="phone",
+            field=models.TextField(default="1-800-555-5555", help_text="Agency customer support phone number"),
+        ),
+        migrations.AlterField(
+            model_name="transitagency",
+            name="short_name",
+            field=models.TextField(
+                default="CST", help_text="The user-facing short name for this agency. Often an uppercase acronym."
+            ),
+        ),
+        migrations.AlterField(
+            model_name="transitagency",
+            name="sso_domain",
+            field=models.TextField(
+                blank=True,
+                default="",
+                help_text="The email domain of users to automatically add to this agency's staff group upon login.",
+            ),
+        ),
+        migrations.AlterField(
+            model_name="transitagency",
+            name="transit_processor",
+            field=models.ForeignKey(
+                blank=True,
+                default=None,
+                help_text="This agency's TransitProcessor.",
+                null=True,
+                on_delete=django.db.models.deletion.PROTECT,
+                to="core.transitprocessor",
+            ),
+        ),
+        migrations.AlterField(
+            model_name="transitagency",
+            name="transit_processor_audience",
+            field=models.TextField(
+                blank=True, default="", help_text="This agency's audience value used to access the TransitProcessor's API."
+            ),
+        ),
+        migrations.AlterField(
+            model_name="transitagency",
+            name="transit_processor_client_id",
+            field=models.TextField(
+                blank=True, default="", help_text="This agency's client_id value used to access the TransitProcessor's API."
+            ),
+        ),
+        migrations.AlterField(
+            model_name="transitagency",
+            name="transit_processor_client_secret_name",
+            field=benefits.core.models.SecretNameField(
+                blank=True,
+                default="",
+                help_text="The name of the secret containing this agency's client_secret value used to access the TransitProcessor's API.",  # noqa: E501
+                max_length=127,
+                validators=[benefits.secrets.SecretNameValidator()],
+            ),
+        ),
         migrations.RenameField(
             model_name="enrollmentflow",
             old_name="eligibility_start_template",

benefits/core/migrations/local_fixtures.json

@@ -56,8 +56,6 @@
       "slug": "cst",
       "short_name": "CST (local)",
       "long_name": "California State Transit (local)",
-      "info_url": "https://www.agency-website.com",
-      "phone": "1-800-555-5555",
       "eligibility_api_id": "cst",
       "eligibility_api_private_key": 2,
       "eligibility_api_public_key": 3,

benefits/core/models.py

@@ -132,12 +132,18 @@ class TransitAgency(models.Model):
     id = models.AutoField(primary_key=True)
     active = models.BooleanField(default=False, help_text="Determines if this Agency is enabled for users")
     slug = models.SlugField(help_text="Used for URL navigation for this agency, e.g. the agency homepage url is /{slug}")
-    short_name = models.TextField(help_text="The user-facing short name for this agency. Often an uppercase acronym.")
+    short_name = models.TextField(
+        default="CST", help_text="The user-facing short name for this agency. Often an uppercase acronym."
+    )
     long_name = models.TextField(
-        help_text="The user-facing long name for this agency. Often the short_name acronym, spelled out."
+        default="California State Transit",
+        help_text="The user-facing long name for this agency. Often the short_name acronym, spelled out.",
+    )
+    info_url = models.URLField(
+        default="https://www.agency-website.com",
+        help_text="URL of a website/page with more information about the agency's discounts",
     )
-    info_url = models.URLField(help_text="URL of a website/page with more information about the agency's discounts")
-    phone = models.TextField(help_text="Agency customer support phone number")
+    phone = models.TextField(default="1-800-555-5555", help_text="Agency customer support phone number")
     index_template_override = models.TextField(
         help_text="Override the default template used for this agency's landing page",
         blank=True,
@@ -150,7 +156,6 @@ class TransitAgency(models.Model):
     )
     eligibility_api_id = models.TextField(
         help_text="The identifier for this agency used in Eligibility API calls.",
-        null=True,
         blank=True,
         default="",
     )
@@ -174,20 +179,27 @@ class TransitAgency(models.Model):
     )
     eligibility_api_jws_signing_alg = models.TextField(
         help_text="The JWS-compatible signing algorithm used in Eligibility API calls.",
-        null=True,
         blank=True,
         default="",
     )
-    transit_processor = models.ForeignKey(TransitProcessor, on_delete=models.PROTECT)
+    transit_processor = models.ForeignKey(
+        TransitProcessor,
+        on_delete=models.PROTECT,
+        null=True,
+        blank=True,
+        default=None,
+        help_text="This agency's TransitProcessor.",
+    )
     transit_processor_audience = models.TextField(
-        help_text="This agency's audience value used to access the TransitProcessor's API.", default=""
+        help_text="This agency's audience value used to access the TransitProcessor's API.", default="", blank=True
     )
     transit_processor_client_id = models.TextField(
-        help_text="This agency's client_id value used to access the TransitProcessor's API.", default=""
+        help_text="This agency's client_id value used to access the TransitProcessor's API.", default="", blank=True
     )
     transit_processor_client_secret_name = SecretNameField(
         help_text="The name of the secret containing this agency's client_secret value used to access the TransitProcessor's API.",  # noqa: E501
         default="",
+        blank=True,
     )
     staff_group = models.OneToOneField(
         Group,
@@ -199,7 +211,6 @@ class TransitAgency(models.Model):
         related_name="transit_agency",
     )
     sso_domain = models.TextField(
-        null=True,
         blank=True,
         default="",
         help_text="The email domain of users to automatically add to this agency's staff group upon login.",

tests/pytest/core/test_models.py

@@ -407,8 +407,8 @@ def test_TransitAgency_template_overrides(model_TransitAgency):
     assert model_TransitAgency.index_template == model_TransitAgency.index_template_override
     assert model_TransitAgency.eligibility_index_template == model_TransitAgency.eligibility_index_template_override
 
-    model_TransitAgency.index_template_override = None
-    model_TransitAgency.eligibility_index_template_override = None
+    model_TransitAgency.index_template_override = ""
+    model_TransitAgency.eligibility_index_template_override = ""
     model_TransitAgency.save()
 
     assert model_TransitAgency.index_template == f"core/index--{model_TransitAgency.slug}.html"