feat: Add filter option to UserNode to filter users based on projects to which they belong

terraso_backend/apps/graphql/schema/schema.graphql

@@ -30,7 +30,7 @@ type Query {
   ): GroupAssociationNode!
   groups(offset: Int, before: String, after: String, first: Int, last: Int, name: String, name_Icontains: String, name_Istartswith: String, slug: String, slug_Icontains: String, description_Icontains: String, memberships_Email: String, associatedLandscapes_IsDefaultLandscapeGroup: Boolean, associatedLandscapes_Isnull: Boolean, associatedLandscapes_IsPartnership: Boolean): GroupNodeConnection
   landscapes(offset: Int, before: String, after: String, first: Int, last: Int, name_Icontains: String, description_Icontains: String, slug: String, slug_Icontains: String, website_Icontains: String, location_Icontains: String): LandscapeNodeConnection
-  users(offset: Int, before: String, after: String, first: Int, last: Int, email: String, email_Icontains: String, firstName_Icontains: String, lastName_Icontains: String): UserNodeConnection
+  users(offset: Int, before: String, after: String, first: Int, last: Int, email: String, email_Icontains: String, firstName_Icontains: String, lastName_Icontains: String, project: String): UserNodeConnection
   landscapeGroups(offset: Int, before: String, after: String, first: Int, last: Int, landscape: ID, landscape_Slug_Icontains: String, group: ID, group_Slug_Icontains: String, isDefaultLandscapeGroup: Boolean, isPartnership: Boolean): LandscapeGroupNodeConnection
   memberships(offset: Int, before: String, after: String, first: Int, last: Int, group: ID, group_In: [ID], group_Slug_Icontains: String, group_Slug_In: [String], user: ID, user_In: [ID], userRole: CoreMembershipUserRoleChoices, user_Email_Icontains: String, user_Email_In: [String], membershipStatus: CoreMembershipMembershipStatusChoices): MembershipNodeConnection
   groupAssociations(offset: Int, before: String, after: String, first: Int, last: Int, parentGroup: ID, childGroup: ID, parentGroup_Slug_Icontains: String, childGroup_Slug_Icontains: String): GroupAssociationNodeConnection

terraso_backend/apps/graphql/schema/users.py

@@ -16,8 +16,10 @@
 import graphene
 import rules
 import structlog
+from django_filters import FilterSet
 from graphene import relay
 from graphene_django import DjangoObjectType
+from graphene_django.filter import TypedFilter
 
 from apps.auth.services import JWTService
 from apps.core.models import User, UserPreference
@@ -35,19 +37,27 @@
 logger = structlog.get_logger(__name__)
 
 
-class UserNode(DjangoObjectType):
-    id = graphene.ID(source="pk", required=True)
+class UserFilter(FilterSet):
+    project = TypedFilter(field_name="collaboration_memberships__membership_list__project")
 
     class Meta:
         model = User
-        filter_fields = {
+        fields = {
             "email": ["exact", "icontains"],
             "first_name": ["icontains"],
             "last_name": ["icontains"],
         }
-        fields = ("email", "first_name", "last_name", "profile_image", "memberships", "preferences")
+
+
+class UserNode(DjangoObjectType):
+    id = graphene.ID(source="pk", required=True)
+
+    class Meta:
+        model = User
+        filterset_class = UserFilter
         interfaces = (relay.Node,)
         connection_class = TerrasoConnection
+        fields = ("email", "first_name", "last_name", "profile_image", "memberships", "preferences")
 
 
 class UserPreferenceNode(DjangoObjectType):

terraso_backend/tests/graphql/test_users.py

@@ -74,3 +74,23 @@ def test_users_query_has_total_count(client_query, users):
     total_count = response.json()["data"]["users"]["totalCount"]
 
     assert total_count == len(users)
+
+
+def test_users_query_in_project(client_query, project, project_user):
+    response = client_query(
+        """
+    query userInProject($projectId: String!, $email: String!) {
+        users(project: $projectId, email: $email) {
+          edges {
+            node {
+              id
+            }
+          }
+      }
+    }
+    """,
+        variables={"projectId": str(project.id), "email": project_user.email},
+    )
+    contents = response.json()
+    assert "errors" not in contents
+    assert contents["data"]["users"]["edges"][0]["node"]["id"] == str(project_user.id)