Merge branch 'aleeexgreeen-midnight_blue-header'

changes/8492.feature

@@ -0,0 +1,3 @@
+Adds new logo and updates UI header in `midnight-blue` theme.
+Adds macro for creating navigation links.
+Adds helpers `endpoint_from_url` and `page_is_active`.

ckan/lib/helpers.py

@@ -32,7 +32,7 @@
 from markdown import markdown
 from bleach import clean as bleach_clean, ALLOWED_TAGS, ALLOWED_ATTRIBUTES
 from ckan.common import asbool, config, current_user
-from flask import flash, has_request_context
+from flask import flash, has_request_context, current_app
 from flask import get_flashed_messages as _flask_get_flashed_messages
 from flask import redirect as _flask_redirect
 from flask import url_for as _flask_default_url_for
@@ -739,6 +739,42 @@ def get_flashed_messages(**kwargs: Any):
     return _flask_get_flashed_messages(**kwargs)
 
 
+@core_helper
+def endpoint_from_url(url: str) -> str:
+    try:
+        urls = current_app.url_map.bind("")
+        match = urls.match(url)
+        endpoint = match[0]
+    except RuntimeError:
+        endpoint = ""
+    return endpoint
+
+
+@core_helper
+def page_is_active(
+        menu_item: str, active_blueprints: Optional[list[str]] = None) -> bool:
+    '''
+        Returns whether the current link is the active page or not.
+
+        `menu_item`
+            Accepts a route (e.g. 'group.index') or a URL (e.g. '/group')
+        `active_blueprints`
+            contains a list of additional blueprints that should be considered
+            active besides the one in `menu_item`
+    '''
+    if menu_item.startswith("/"):
+        menu_item = endpoint_from_url(menu_item)
+
+    blueprint, endpoint = menu_item.split('.')
+
+    item = {
+        'controller': blueprint,
+        'action': endpoint,
+        'highlight_controllers': active_blueprints,
+    }
+    return _link_active(item)
+
+
 def _link_active(kwargs: Any) -> bool:
     ''' creates classes for the link_to calls '''
     blueprint, endpoint = p.toolkit.get_endpoint()