resources: [inveniosoftware#855] add POST request_membership

invenio_communities/generators.py

@@ -201,6 +201,7 @@ def query_filter(self, **kwargs):
 # Community membership generators
 #
 
+
 class AuthenticatedButNotCommunityMembers(Generator):
     """Authenticated user not part of community."""
 
@@ -220,6 +221,7 @@ def excludes(self, record=None, **kwargs):
         community_id = str(record.id)
         return [CommunityRoleNeed(community_id, r.name) for r in current_roles]
 
+
 class CommunityRoles(Generator):
     """Base class for community roles generators."""
 

invenio_communities/members/resources/config.py

@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 #
 # Copyright (C) 2022 KTH Royal Institute of Technology
-# Copyright (C) 2022 Northwestern University.
+# Copyright (C) 2022-2024 Northwestern University.
 # Copyright (C) 2022 CERN.
 # Copyright (C) 2023 TU Wien.
 #
@@ -29,6 +29,7 @@ class MemberResourceConfig(RecordResourceConfig):
         "members": "/communities/<pid_value>/members",
         "publicmembers": "/communities/<pid_value>/members/public",
         "invitations": "/communities/<pid_value>/invitations",
+        "membership_requests": "/communities/<pid_value>/membership-requests",
     }
     request_view_args = {
         "pid_value": ma.fields.UUID(),

invenio_communities/members/resources/resource.py

@@ -31,10 +31,11 @@ def create_url_rules(self):
             route("DELETE", routes["members"], self.delete),
             route("PUT", routes["members"], self.update),
             route("GET", routes["members"], self.search),
-            route("POST", routes["invitations"], self.invite),
             route("GET", routes["publicmembers"], self.search_public),
+            route("POST", routes["invitations"], self.invite),
             route("PUT", routes["invitations"], self.update_invitations),
             route("GET", routes["invitations"], self.search_invitations),
+            route("POST", routes["membership_requests"], self.request_membership),
         ]
 
     @request_view_args
@@ -98,6 +99,17 @@ def invite(self):
         )
         return "", 204
 
+    @request_view_args
+    @request_data
+    def request_membership(self):
+        """Request membership."""
+        request = self.service.request_membership(
+            g.identity,
+            resource_requestctx.view_args["pid_value"],
+            resource_requestctx.data,
+        )
+        return request.to_dict(), 201
+
     @request_view_args
     @request_extra_args
     @request_data

invenio_communities/members/services/request.py

@@ -124,3 +124,21 @@ class CommunityInvitation(RequestType):
             "manager",
         ]
     }
+
+
+class MembershipRequestRequestType(RequestType):
+    """Request type for membership requests."""
+
+    type_id = "community-membership-request"
+    name = _("Membership request")
+
+    create_action = "create"
+    available_actions = {
+        "create": actions.CreateAndSubmitAction,
+    }
+
+    creator_can_be_none = False
+    topic_can_be_none = False
+    allowed_creator_ref_types = ["user"]
+    allowed_receiver_ref_types = ["community"]
+    allowed_topic_ref_types = ["community"]

invenio_communities/members/services/schemas.py

@@ -93,6 +93,12 @@ class DeleteBulkSchema(MembersSchema):
     """Delete bulk schema."""
 
 
+class RequestMembershipSchema(Schema):
+    """Schema used for requesting membership."""
+
+    message = SanitizedUnicode()
+
+
 #
 # Schemas used for dumping a single member
 #

invenio_communities/members/services/service.py

@@ -40,14 +40,15 @@
 from ...proxies import current_roles
 from ..errors import AlreadyMemberError, InvalidMemberError
 from ..records.api import ArchivedInvitation
-from .request import CommunityInvitation
+from .request import CommunityInvitation, MembershipRequestRequestType
 from .schemas import (
     AddBulkSchema,
     DeleteBulkSchema,
     InvitationDumpSchema,
     InviteBulkSchema,
     MemberDumpSchema,
     PublicDumpSchema,
+    RequestMembershipSchema,
     UpdateBulkSchema,
 )
 
@@ -103,6 +104,11 @@ def delete_schema(self):
         """Schema for bulk delete."""
         return ServiceSchemaWrapper(self, schema=DeleteBulkSchema)
 
+    @property
+    def request_membership_schema(self):
+        """Wrapped schema for request membership."""
+        return ServiceSchemaWrapper(self, schema=RequestMembershipSchema)
+
     @property
     def archive_indexer(self):
         """Factory for creating an indexer instance."""
@@ -734,3 +740,110 @@ def rebuild_index(self, identity, uow=None):
         self.archive_indexer.bulk_index([inv.id for inv in archived_invitations])
 
         return True
+
+    # Request membership
+    @unit_of_work()
+    def request_membership(self, identity, community_id, data, uow=None):
+        """Request membership to the community.
+
+        A user can only have one request per community.
+
+        All validations raise, so it's up to parent layer to handle them.
+        """
+        community = self.community_cls.get_record(community_id)
+
+        data, errors = self.request_membership_schema.load(
+            data,
+            context={"identity": identity},
+        )
+        message = data.get("message", "")
+
+        self.require_permission(
+            identity,
+            "request_membership",
+            record=community,
+        )
+
+        # Create request
+        title = _('Request to join "{community}"').format(
+            community=community.metadata["title"],
+        )
+        request_item = current_requests_service.create(
+            identity,
+            data={
+                "title": title,
+                # "description": description,
+            },
+            request_type=MembershipRequestRequestType,
+            receiver=community,
+            creator={"user": str(identity.user.id)},
+            topic=community,  # user instead?
+            # TODO: Consider expiration
+            # expires_at=invite_expires_at(),
+            uow=uow,
+        )
+
+        if message:
+            data = {"payload": {"content": message}}
+            current_events_service.create(
+                identity,
+                request_item.id,
+                data,
+                CommentEventType,
+                uow=uow,
+                notify=False,
+            )
+
+        # TODO: Add notification mechanism
+        # uow.register(
+        #     NotificationOp(
+        #         MembershipRequestSubmittedNotificationBuilder.build(
+        #             request=request_item._request,
+        #             # explicit string conversion to get the value of LazyText
+        #             role=str(role.title),
+        #             message=message,
+        #         )
+        #     )
+        # )
+
+        # Create an inactive member entry linked to the request.
+        self._add_factory(
+            identity,
+            community=community,
+            role=current_roles["reader"],
+            visible=False,
+            member={"type": "user", "id": str(identity.user.id)},
+            message=message,
+            uow=uow,
+            active=False,
+            request_id=request_item.id,
+        )
+
+        # No registered component with a request_membership method for now,
+        # so no run_components for now.
+
+        # Has to return the request so that frontend can redirect to it
+        return request_item
+
+    @unit_of_work()
+    def update_membership_request(self, identity, community_id, data, uow=None):
+        """Update membership request."""
+        # TODO: Implement me
+        pass
+
+    def search_membership_requests(self):
+        """Search membership requests."""
+        # TODO: Implement me
+        pass
+
+    @unit_of_work()
+    def accept_membership_request(self, identity, request_id, uow=None):
+        """Accept membership request."""
+        # TODO: Implement me
+        pass
+
+    @unit_of_work()
+    def decline_membership_request(self, identity, request_id, uow=None):
+        """Decline membership request."""
+        # TODO: Implement me
+        pass

invenio_communities/permissions.py

@@ -193,13 +193,14 @@ class CommunityPermissionPolicy(BasePermissionPolicy):
                 IfPolicyClosed(
                     "member_policy",
                     then_=[Disable()],
-                    else_=[AuthenticatedButNotCommunityMembers()]
-                )
+                    else_=[AuthenticatedButNotCommunityMembers()],
+                ),
             ],
-            else_=[Disable()]
+            else_=[Disable()],
         ),
     ]
 
+
 def can_perform_action(community, context):
     """Check if the given action is available on the request."""
     action = context.get("action")

setup.cfg

@@ -80,6 +80,7 @@ invenio_requests.entity_resolvers =
     communities = invenio_communities.communities.entity_resolvers:CommunityResolver
 invenio_requests.types =
     community_invitation = invenio_communities.members.services.request:CommunityInvitation
+    membership_request_request_type = invenio_communities.members.services.request:MembershipRequestRequestType
 invenio_i18n.translations =
     messages = invenio_communities
 invenio_administration.views =
@@ -94,8 +95,6 @@ invenio_base.finalize_app =
 invenio_base.api_finalize_app =
     invenio_communities = invenio_communities.ext:api_finalize_app
 
-
-
 [build_sphinx]
 source-dir = docs/
 build-dir = docs/_build