refactor(graph): move "Invite" to new drive item permissions service

This introduces the new DriveItemPermissionsService and DriveItemPermissionsApi to
allow for better separation of the business logic and the API handling.

As a starting point the Invite method was moved to the new service. More to follow.

services/graph/mocks/drive_item_permissions_provider.go

@@ -0,0 +1,97 @@
+// Code generated by mockery v2.40.2. DO NOT EDIT.
+
+package mocks
+
+import (
+	context "context"
+
+	libregraph "github.com/owncloud/libre-graph-api-go"
+	mock "github.com/stretchr/testify/mock"
+
+	providerv1beta1 "github.com/cs3org/go-cs3apis/cs3/storage/provider/v1beta1"
+)
+
+// DriveItemPermissionsProvider is an autogenerated mock type for the DriveItemPermissionsProvider type
+type DriveItemPermissionsProvider struct {
+	mock.Mock
+}
+
+type DriveItemPermissionsProvider_Expecter struct {
+	mock *mock.Mock
+}
+
+func (_m *DriveItemPermissionsProvider) EXPECT() *DriveItemPermissionsProvider_Expecter {
+	return &DriveItemPermissionsProvider_Expecter{mock: &_m.Mock}
+}
+
+// Invite provides a mock function with given fields: ctx, resourceId, invite
+func (_m *DriveItemPermissionsProvider) Invite(ctx context.Context, resourceId providerv1beta1.ResourceId, invite libregraph.DriveItemInvite) (libregraph.Permission, error) {
+	ret := _m.Called(ctx, resourceId, invite)
+
+	if len(ret) == 0 {
+		panic("no return value specified for Invite")
+	}
+
+	var r0 libregraph.Permission
+	var r1 error
+	if rf, ok := ret.Get(0).(func(context.Context, providerv1beta1.ResourceId, libregraph.DriveItemInvite) (libregraph.Permission, error)); ok {
+		return rf(ctx, resourceId, invite)
+	}
+	if rf, ok := ret.Get(0).(func(context.Context, providerv1beta1.ResourceId, libregraph.DriveItemInvite) libregraph.Permission); ok {
+		r0 = rf(ctx, resourceId, invite)
+	} else {
+		r0 = ret.Get(0).(libregraph.Permission)
+	}
+
+	if rf, ok := ret.Get(1).(func(context.Context, providerv1beta1.ResourceId, libregraph.DriveItemInvite) error); ok {
+		r1 = rf(ctx, resourceId, invite)
+	} else {
+		r1 = ret.Error(1)
+	}
+
+	return r0, r1
+}
+
+// DriveItemPermissionsProvider_Invite_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'Invite'
+type DriveItemPermissionsProvider_Invite_Call struct {
+	*mock.Call
+}
+
+// Invite is a helper method to define mock.On call
+//   - ctx context.Context
+//   - resourceId providerv1beta1.ResourceId
+//   - invite libregraph.DriveItemInvite
+func (_e *DriveItemPermissionsProvider_Expecter) Invite(ctx interface{}, resourceId interface{}, invite interface{}) *DriveItemPermissionsProvider_Invite_Call {
+	return &DriveItemPermissionsProvider_Invite_Call{Call: _e.mock.On("Invite", ctx, resourceId, invite)}
+}
+
+func (_c *DriveItemPermissionsProvider_Invite_Call) Run(run func(ctx context.Context, resourceId providerv1beta1.ResourceId, invite libregraph.DriveItemInvite)) *DriveItemPermissionsProvider_Invite_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		run(args[0].(context.Context), args[1].(providerv1beta1.ResourceId), args[2].(libregraph.DriveItemInvite))
+	})
+	return _c
+}
+
+func (_c *DriveItemPermissionsProvider_Invite_Call) Return(_a0 libregraph.Permission, _a1 error) *DriveItemPermissionsProvider_Invite_Call {
+	_c.Call.Return(_a0, _a1)
+	return _c
+}
+
+func (_c *DriveItemPermissionsProvider_Invite_Call) RunAndReturn(run func(context.Context, providerv1beta1.ResourceId, libregraph.DriveItemInvite) (libregraph.Permission, error)) *DriveItemPermissionsProvider_Invite_Call {
+	_c.Call.Return(run)
+	return _c
+}
+
+// NewDriveItemPermissionsProvider creates a new instance of DriveItemPermissionsProvider. It also registers a testing interface on the mock and a cleanup function to assert the mocks expectations.
+// The first argument is typically a *testing.T value.
+func NewDriveItemPermissionsProvider(t interface {
+	mock.TestingT
+	Cleanup(func())
+}) *DriveItemPermissionsProvider {
+	mock := &DriveItemPermissionsProvider{}
+	mock.Mock.Test(t)
+
+	t.Cleanup(func() { mock.AssertExpectations(t) })
+
+	return mock
+}

services/graph/mocks/drives_drive_item_provider.go

@@ -1,4 +1,4 @@
-// Code generated by mockery v2.40.1. DO NOT EDIT.
+// Code generated by mockery v2.40.2. DO NOT EDIT.
 
 package mocks
 

services/graph/mocks/gateway_selector.go

@@ -1,4 +1,4 @@
-// Code generated by mockery v2.40.1. DO NOT EDIT.
+// Code generated by mockery v2.40.2. DO NOT EDIT.
 
 package mocks