Add get_endpoints function and fix itemlinks

Author: UlrichB22

src/moin/app.py

@@ -30,7 +30,7 @@
 from moin.utils import monkeypatch  # noqa
 from moin.utils.clock import Clock
 from moin import auth, user, config
-from moin.constants.misc import ANON
+from moin.constants.misc import ANON, VALID_ITEMLINK_VIEWS
 from moin.i18n import i18n_init
 from moin.themes import setup_jinja_env, themed_error
 from moin.storage.middleware import protecting, indexing, routing
@@ -156,6 +156,8 @@ class ItemNameConverter(PathConverter):
     from moin.apps.serve import serve
 
     app.register_blueprint(serve, url_prefix="/+serve")
+
+    app.view_endpoints = get_endpoints(app)
     clock.stop("create_app register")
     clock.start("create_app flask-cache")
     # 'SimpleCache' caching uses a dict and is not thread safe according to the docs.
@@ -191,6 +193,16 @@ class ItemNameConverter(PathConverter):
     return app
 
 
+def get_endpoints(app):
+    """Get dict with views and related endpoints allowed as itemlink"""
+    view_endpoints = {}
+    for rule in app.url_map.iter_rules():
+        view = rule.rule.split("/")[1]
+        if view in VALID_ITEMLINK_VIEWS and rule.rule == f"/{view}/<itemname:item_name>":
+            view_endpoints[view] = rule.endpoint
+    return view_endpoints
+
+
 def destroy_app(app):
     deinit_backends(app)
 

src/moin/converters/link.py

@@ -9,6 +9,7 @@
 special wiki links.
 """
 
+from flask import current_app as app
 from flask import g as flaskg
 
 from moin.constants.misc import VALID_ITEMLINK_VIEWS
@@ -202,8 +203,9 @@ def handle_wikilocal_links(self, elem, input, page, to_tag=ConverterBase._tag_xl
             item_name = str(page.path[1:]) if page else ""
         endpoint, rev, query = self._get_do_rev(input.query)
 
-        if view_name == "+meta":  # TODO: add other views
-            endpoint = "frontend.show_item_meta"
+        if view_name in app.view_endpoints.keys():
+            # Other views will be shown with class moin-nonexistent as non-existent links
+            endpoint = app.view_endpoints[view_name]
 
         url = url_for_item(item_name, rev=rev, endpoint=endpoint)
         if not page: