Add scene auto-tagging from filename (#204)

* Add auto tagging for performers, studios and tags

* Fix scene title logging

* Fix golang 1.11 compile error

* Improve regex pattern. Only log when added

* Remove paging from parse query

* Add integration test

* Fix prefix detection on paths

graphql/documents/queries/settings/metadata.graphql

@@ -14,6 +14,10 @@ query MetadataGenerate($input: GenerateMetadataInput!) {
   metadataGenerate(input: $input)
 }
 
+query MetadataAutoTag($input: AutoTagMetadataInput!) {
+  metadataAutoTag(input: $input)
+}
+
 query MetadataClean {
   metadataClean
 }

graphql/schema/schema.graphql

@@ -75,6 +75,8 @@ type Query {
   metadataScan(input: ScanMetadataInput!): String!
   """Start generating content. Returns the job ID"""
   metadataGenerate(input: GenerateMetadataInput!): String!
+  """Start auto-tagging. Returns the job ID"""
+  metadataAutoTag(input: AutoTagMetadataInput!): String!
   """Clean metadata. Returns the job ID"""
   metadataClean: String!
 

graphql/schema/types/metadata.graphql

@@ -9,6 +9,15 @@ input ScanMetadataInput {
   nameFromMetadata: Boolean!
 }
 
+input AutoTagMetadataInput {
+  """IDs of performers to tag files with, or "*" for all"""
+  performers: [String!]
+  """IDs of studios to tag files with, or "*" for all"""
+  studios: [String!]
+  """IDs of tags to tag files with, or "*" for all"""
+  tags: [String!]
+}
+
 type MetadataUpdateStatus {
   progress: Float!
 	status: String!