Add ability to show banner announcements

config/settings/base.py

@@ -85,6 +85,8 @@
     "simple_history",
     "dbbackup",
     "django_htmx",
+    "constance",
+    "constance.backends.database",
 ]
 
 LOCAL_APPS = [
@@ -205,6 +207,7 @@
                 "django.template.context_processors.static",
                 "django.template.context_processors.tz",
                 "django.contrib.messages.context_processors.messages",
+                "constance.context_processors.config",
                 "primed.utils.context_processors.settings_context",
             ],
         },
@@ -368,6 +371,17 @@
 # https://django-tables2.readthedocs.io/en/latest/pages/custom-rendering.html?highlight=django_tables2_template#available-templates
 DJANGO_TABLES2_TEMPLATE = "django_tables2/bootstrap5.html"
 
+# django-constance
+# ------------------------------------------------------------------------------
+CONSTANCE_CONFIG = {
+    "ANNOUNCEMENT_TEXT": ("", "Site-wide announcement message", str),
+}
+
+CONSTANCE_BACKEND = "constance.backends.database.DatabaseBackend"
+CONSTANCE_IGNORE_ADMIN_VERSION_CHECK = True
+# CONSTANCE_DATABASE_CACHE_BACKEND = "default"
+CONSTANCE_DATABASE_CACHE_AUTOFILL_TIMEOUT = None
+
 # django-anvil-consortium-manager
 # ------------------------------------------------------------------------------
 ANVIL_API_SERVICE_ACCOUNT_FILE = env("ANVIL_API_SERVICE_ACCOUNT_FILE")

primed/primed_anvil/tests/test_views.py

@@ -3,6 +3,7 @@
 from anvil_consortium_manager import models as acm_models
 from anvil_consortium_manager.tests.factories import AccountFactory
 from anvil_consortium_manager.views import AccountList
+from constance.test import override_config
 from django.conf import settings
 from django.contrib.auth import get_user_model
 from django.contrib.auth.models import Permission
@@ -133,6 +134,12 @@ def test_user_has_not_linked_account(self):
             response, reverse("anvil_consortium_manager:accounts:link")
         )
 
+    def test_unauthenticated_user_has_not_linked_account_message(self):
+        response = self.client.get(settings.LOGIN_URL, follow=True)
+        self.assertNotContains(
+            response, reverse("anvil_consortium_manager:accounts:link")
+        )
+
     def test_staff_view_links(self):
         user = UserFactory.create()
         user.user_permissions.add(
@@ -163,6 +170,24 @@ def test_view_links(self):
             response, '"{}"'.format(reverse("anvil_consortium_manager:index"))
         )
 
+    def test_site_announcement_no_text(self):
+        self.client.force_login(self.user)
+        response = self.client.get(self.get_url())
+        self.assertNotContains(response, """id="alert-announcement""")
+
+    @override_config(ANNOUNCEMENT_TEXT="This is a test announcement")
+    def test_site_announcement_text(self):
+        self.client.force_login(self.user)
+        response = self.client.get(self.get_url())
+        self.assertContains(response, """id="alert-announcement""")
+        self.assertContains(response, "This is a test announcement")
+
+    @override_config(ANNOUNCEMENT_TEXT="This is a test announcement")
+    def test_site_announcement_text_unauthenticated_user(self):
+        response = self.client.get(self.get_url(), follow=True)
+        self.assertContains(response, """id="alert-announcement""")
+        self.assertContains(response, "This is a test announcement")
+
 
 class StudyDetailTest(TestCase):
     """Tests for the StudyDetail view."""

primed/templates/base.html

@@ -108,23 +108,32 @@
       </div>
     </nav>
 
-    {% block extra_navbar %}
-    {% endblock %}
     <main class="flex-shrink-0">
-    <div class="container">
+      <div class="container">
 
-      {% if messages %}
-          {% for message in messages %}
-              <div class="alert {% if message.tags %}alert-{{ message.tags }}{% endif %} alert-dismissible fade show" role="alert">{{ message }}<button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button></div>
-          {% endfor %}
+      {% if config.ANNOUNCEMENT_TEXT %}
+        <div class="alert alert-info" role="alert" id="alert-announcement">
+          <i class="bi bi-megaphone-fill me-1"></i>
+          {{ config.ANNOUNCEMENT_TEXT }}
+        </div>
       {% endif %}
 
-      {% if not request.user.account %}
-      <div class="alert alert-info" role="alert">
+      {% if request.user.is_authenticated and not request.user.account %}
+      <div class="alert alert-warning" role="alert">
         <i class="bi bi-exclamation-triangle-fill me-1"></i>
         You must <a href="{% url 'anvil_consortium_manager:accounts:link' %}">link your AnVIL account</a> before you can access any data on AnVIL.
       </div>
-      {% endif %}
+    {% endif %}
+
+    {% if messages %}
+      {% for message in messages %}
+          <div class="alert {% if message.tags %}alert-{{ message.tags }}{% endif %} alert-dismissible fade show" role="alert">{{ message }}<button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button></div>
+      {% endfor %}
+    {% endif %}
+
+    {% block extra_navbar %}
+    {% endblock %}
+
 
 
       {% block content %}

requirements/requirements.in

@@ -66,3 +66,6 @@ django-htmx
 certifi>=2023.7.22
 urllib3>=1.26.18
 sqlparse>=0.4.4
+
+# Dynamic settings
+django-constance

requirements/requirements.txt

@@ -65,6 +65,8 @@ django-anvil-consortium-manager @ git+https://github.com/UW-GAC/django-anvil-con
     # via -r requirements/requirements.in
 django-autocomplete-light==3.11.0
     # via django-anvil-consortium-manager
+django-constance==2.9.1
+    # via -r requirements/requirements.in
 django-crispy-forms==2.1
     # via
     #   -r requirements/requirements.in
@@ -88,6 +90,9 @@ django-maintenance-mode==0.21.1
     # via -r requirements/requirements.in
 django-model-utils==4.4.0
     # via -r requirements/requirements.in
+django-picklefield==3.1.0
+    # via -r requirements/requirements.in
+    # django-constnace
 django-simple-history==3.5.0
     # via
     #   -r requirements/requirements.in