fix(links): Allow custom routes to be picked up by community links te…

…mplate

invenio_communities/communities/services/config.py

@@ -42,7 +42,7 @@
 from ...permissions import CommunityPermissionPolicy, can_perform_action
 from ..schema import CommunityFeaturedSchema, CommunitySchema, TombstoneSchema
 from .components import DefaultCommunityComponents
-from .links import CommunityLink
+from .links import CommunityLink, CommunityLinks
 from .search_params import IncludeDeletedCommunitiesParam, StatusParam
 from .sort import CommunitiesSortParam
 
@@ -114,25 +114,7 @@ class CommunityServiceConfig(RecordServiceConfig, ConfiguratorMixin):
     result_list_cls_featured = CommunityFeaturedList
     result_item_cls_featured = FeaturedCommunityItem
 
-    links_item = {
-        "self": CommunityLink("{+api}/communities/{id}"),
-        "self_html": CommunityLink("{+ui}/communities/{slug}"),
-        "settings_html": CommunityLink("{+ui}/communities/{slug}/settings"),
-        "logo": CommunityLink("{+api}/communities/{id}/logo"),
-        "rename": CommunityLink("{+api}/communities/{id}/rename"),
-        "members": CommunityLink("{+api}/communities/{id}/members"),
-        "public_members": CommunityLink("{+api}/communities/{id}/members/public"),
-        "invitations": CommunityLink("{+api}/communities/{id}/invitations"),
-        "requests": CommunityLink("{+api}/communities/{id}/requests"),
-        "records": CommunityLink("{+api}/communities/{id}/records"),
-        "subcommunities": CommunityLink(
-            "{+api}/communities/{id}/subcommunities",
-            when=children_allowed,
-        ),
-        "membership_requests": CommunityLink(
-            "{+api}/communities/{id}/membership-requests"
-        ),
-    }
+    links_item = CommunityLinks.get_item_links
 
     action_link = CommunityLink(
         "{+api}/communities/{id}/{action_name}", when=can_perform_action

invenio_communities/communities/services/links.py

@@ -8,9 +8,87 @@
 
 """Utility for rendering URI template links."""
 
+from flask import current_app
 from invenio_records_resources.services.base.links import Link, LinksTemplate
 
 
+def children_allowed(record, _):
+    """Determine if children are allowed."""
+    try:
+        return getattr(record.children, "allow", False)
+    except AttributeError:
+        # This is needed because a types.SimpleNamespace object can be passed by
+        # the entity_resolver when generating the logo which does not have
+        # `children` and fails
+        return False
+
+
+class CommunityLink(Link):
+    """Link variables setter for Community Members links."""
+
+    @staticmethod
+    def vars(record, vars):
+        """Variables for the URI template."""
+        vars.update(
+            {
+                "id": record.id,
+                "slug": record.slug,
+            }
+        )
+
+
+class CommunityLinks(object):
+    """Factory class for Community routes."""
+
+    communities_default_routes = {
+        "self": CommunityLink("{+api}/communities/{id}"),
+        "self_html": CommunityLink("{+ui}/communities/{slug}"),
+        "settings_html": CommunityLink("{+ui}/communities/{slug}/settings"),
+        "logo": CommunityLink("{+api}/communities/{id}/logo"),
+        "rename": CommunityLink("{+api}/communities/{id}/rename"),
+        "members": CommunityLink("{+api}/communities/{id}/members"),
+        "public_members": CommunityLink(
+            "{+api}/communities/{id}/members/public"
+        ),
+        "invitations": CommunityLink("{+api}/communities/{id}/invitations"),
+        "requests": CommunityLink("{+api}/communities/{id}/requests"),
+        "records": CommunityLink("{+api}/communities/{id}/records"),
+        "subcommunities": CommunityLink(
+            "{+api}/communities/{id}/subcommunities",
+            when=children_allowed,
+        ),
+        "membership_requests": CommunityLink(
+            "{+api}/communities/{id}/membership-requests"
+        ),
+    }
+
+    @classmethod
+    def convert_config_routes(cls, custom_routes: dict) -> dict:
+        """Convert config routes to the links string template format.
+
+        Only convert routes that have a corresponding default link
+        ending in "_html".
+        """
+        return {
+            f"{k}_html": CommunityLink(
+                "{+ui}" + v.replace("<pid_value>", "{slug}")
+            )
+            for k, v in custom_routes.items()
+            if f"{k}_html" in cls.communities_default_routes.keys()
+        }
+
+    @classmethod
+    def get_item_links(cls, routes: dict = None) -> dict:
+        """Get the item links customized from the config routes."""
+        routes = (
+            cls.communities_default_routes.copy() if not routes else routes
+        )
+        routes_from_config = current_app.config.get("COMMUNITIES_ROUTES", {})
+        routes.update(cls.convert_config_routes(routes_from_config))
+
+        return routes
+
+
 class CommunityLinksTemplate(LinksTemplate):
     """Templates for generating links for a community object."""
 
@@ -42,17 +120,3 @@ def expand(self, identity, community):
                 links[key] = link.expand(community, ctx)
 
         return links
-
-
-class CommunityLink(Link):
-    """Link variables setter for Community Members links."""
-
-    @staticmethod
-    def vars(record, vars):
-        """Variables for the URI template."""
-        vars.update(
-            {
-                "id": record.id,
-                "slug": record.slug,
-            }
-        )

invenio_communities/communities/services/service.py

@@ -64,7 +64,7 @@ def __init__(
     def links_item_tpl(self):
         """Item links template."""
         return CommunityLinksTemplate(
-            self.config.links_item,
+            self.config.links_item(),
             self.config.action_link,
             self.config.available_actions,
             context={

invenio_communities/config.py

@@ -37,6 +37,7 @@
     "invitations": "/communities/<pid_value>/invitations",
     "about": "/communities/<pid_value>/about",
     "curation_policy": "/communities/<pid_value>/curation-policy",
+    "self": "/communities/<pid_value>",
 }
 
 """Communities ui endpoints."""