Dashboard Alert Extractor: Create service for dashboard extractor and remove bus (#45518)

* Create DashAlertService service

* Remove no used dashboard service from plugin's manager that generates dependency cycle in Enterprise

* Remove bus for dashboard permissions

* Remove bus from dashboard extractor service

* Add missing argument

* Fix wire

* Fix lint

* More goimports

* Use datasource service instead sql calls

* Fix integration test

pkg/services/datasources/permissions/datasource_permissions.go

@@ -0,0 +1,22 @@
+package permissions
+
+import (
+	"context"
+
+	"github.com/grafana/grafana/pkg/models"
+)
+
+type DatasourcePermissionsService interface {
+	FilterDatasourcesBasedOnQueryPermissions(ctx context.Context, cmd *models.DatasourcesPermissionFilterQuery) error
+}
+
+// dummy method
+func (hs *OSSDatasourcePermissionsService) FilterDatasourcesBasedOnQueryPermissions(ctx context.Context, cmd *models.DatasourcesPermissionFilterQuery) error {
+	return nil
+}
+
+type OSSDatasourcePermissionsService struct{}
+
+func ProvideDatasourcePermissionsService() *OSSDatasourcePermissionsService {
+	return &OSSDatasourcePermissionsService{}
+}

pkg/services/datasources/permissions/datasource_permissions_mocks.go

@@ -0,0 +1,20 @@
+package permissions
+
+import (
+	"context"
+
+	"github.com/grafana/grafana/pkg/models"
+)
+
+type mockDatasourcePermissionService struct {
+	DsResult []*models.DataSource
+}
+
+func (m *mockDatasourcePermissionService) FilterDatasourcesBasedOnQueryPermissions(ctx context.Context, cmd *models.DatasourcesPermissionFilterQuery) error {
+	cmd.Result = m.DsResult
+	return nil
+}
+
+func NewMockDatasourcePermissionService() *mockDatasourcePermissionService {
+	return &mockDatasourcePermissionService{}
+}