feat(supportGroup): add mutations for add/remove user

internal/api/graphql/graph/queryCollection/supportGroup/addUser.graphql

@@ -0,0 +1,18 @@
+# SPDX-FileCopyrightText: 2024 SAP SE or an SAP affiliate company and Greenhouse contributors
+# SPDX-License-Identifier: Apache-2.0
+
+mutation ($supportGroupId: ID!, $userId: ID!) {
+    addUserToSupportGroup (
+        supportGroupId: $supportGroupId,
+        userId: $userId
+    ) {
+        id
+        users {
+            edges {
+                node {
+                    id
+                }
+            }
+        }
+    }
+}

internal/api/graphql/graph/queryCollection/supportGroup/removeUser.graphql

@@ -0,0 +1,18 @@
+# SPDX-FileCopyrightText: 2024 SAP SE or an SAP affiliate company and Greenhouse contributors
+# SPDX-License-Identifier: Apache-2.0
+
+mutation ($supportGroupId: ID!, $userId: ID!) {
+    removeUserFromSupportGroup (
+        userId: $userId,
+        supportGroupId: $supportGroupId
+    ) {
+        id
+        users {
+            edges {
+                node {
+                    id
+                }
+            }
+        }
+    }
+}

internal/api/graphql/graph/schema/mutation.graphqls

@@ -11,6 +11,8 @@ type Mutation {
     deleteSupportGroup(id: ID!): String!
     addServiceToSupportGroup(supportGroupId: ID!, serviceId: ID!): SupportGroup!
     removeServiceFromSupportGroup(supportGroupId: ID!, serviceId: ID!): SupportGroup!
+    addUserToSupportGroup(supportGroupId: ID!, userId: ID!): SupportGroup!
+    removeUserFromSupportGroup(supportGroupId: ID!, userId: ID!): SupportGroup!
 
     createComponent(input: ComponentInput!): Component!
     updateComponent(id: ID!, input: ComponentInput!): Component!

internal/app/interface.go

@@ -61,6 +61,8 @@ type Heureka interface {
 	DeleteSupportGroup(int64) error
 	AddServiceToSupportGroup(int64, int64) (*entity.SupportGroup, error)
 	RemoveServiceFromSupportGroup(int64, int64) (*entity.SupportGroup, error)
+	AddUserToSupportGroup(int64, int64) (*entity.SupportGroup, error)
+	RemoveUserFromSupportGroup(int64, int64) (*entity.SupportGroup, error)
 
 	ListComponentInstances(*entity.ComponentInstanceFilter, *entity.ListOptions) (*entity.List[entity.ComponentInstanceResult], error)
 	CreateComponentInstance(*entity.ComponentInstance) (*entity.ComponentInstance, error)