Bulk update scenes (#92)

* Add bulk update functionality

* Restore multiselect fixes from previous branch

* Prevent unsetting of studios/tags

* Detect when slice fields are omitted and ignore

graphql/documents/mutations/scene.graphql

@@ -26,6 +26,34 @@ mutation SceneUpdate(
   }
 }
 
+mutation BulkSceneUpdate(
+  $ids: [ID!] = [],
+  $title: String,
+  $details: String,
+  $url: String,
+  $date: String,
+  $rating: Int,
+  $studio_id: ID,
+  $gallery_id: ID,
+  $performer_ids: [ID!],
+  $tag_ids: [ID!]) {
+
+  bulkSceneUpdate(input: {
+                        ids: $ids,
+                        title: $title,
+                        details: $details,
+                        url: $url,
+                        date: $date,
+                        rating: $rating,
+                        studio_id: $studio_id,
+                        gallery_id: $gallery_id,
+                        performer_ids: $performer_ids,
+                        tag_ids: $tag_ids
+                      }) {
+      ...SceneData
+  }
+}
+
 mutation SceneDestroy($id: ID!, $delete_file: Boolean, $delete_generated : Boolean) {
   sceneDestroy(input: {id: $id, delete_file: $delete_file, delete_generated: $delete_generated})
 }

graphql/schema/schema.graphql

@@ -77,6 +77,7 @@ type Query {
 
 type Mutation {
   sceneUpdate(input: SceneUpdateInput!): Scene
+  bulkSceneUpdate(input: BulkSceneUpdateInput!): [Scene!]
   sceneDestroy(input: SceneDestroyInput!): Boolean!
 
   sceneMarkerCreate(input: SceneMarkerCreateInput!): SceneMarker

graphql/schema/types/scene.graphql

@@ -53,6 +53,20 @@ input SceneUpdateInput {
   tag_ids: [ID!]
 }
 
+input BulkSceneUpdateInput {
+  clientMutationId: String
+  ids: [ID!]
+  title: String
+  details: String
+  url: String
+  date: String
+  rating: Int
+  studio_id: ID
+  gallery_id: ID
+  performer_ids: [ID!]
+  tag_ids: [ID!]
+}
+
 input SceneDestroyInput {
   id: ID!
   delete_file: Boolean