Revert "Make generate args optional (#1801)" (#1808)

This reverts commit 1e89e9dd82.

graphql/schema/types/metadata.graphql

@@ -1,15 +1,15 @@
 scalar Upload
 
 input GenerateMetadataInput {
-  sprites: Boolean! = false
-  previews: Boolean! = false
-  imagePreviews: Boolean! = false
+  sprites: Boolean!
+  previews: Boolean!
+  imagePreviews: Boolean!
   previewOptions: GeneratePreviewOptionsInput
-  markers: Boolean! = false
-  markerImagePreviews: Boolean! = false
-  markerScreenshots: Boolean! = false
-  transcodes: Boolean! = false
-  phashes: Boolean! = false
+  markers: Boolean!
+  markerImagePreviews: Boolean!
+  markerScreenshots: Boolean!
+  transcodes: Boolean!
+  phashes: Boolean!
 
   """scene ids to generate for"""
   sceneIDs: [ID!]
@@ -17,7 +17,7 @@ input GenerateMetadataInput {
   markerIDs: [ID!]
 
   """overwrite existing media"""
-  overwrite: Boolean! = false
+  overwrite: Boolean
 }
 
 input GeneratePreviewOptionsInput {

pkg/manager/manager_tasks.go

@@ -237,7 +237,10 @@ func (s *singleton) Generate(ctx context.Context, input models.GenerateMetadataI
 
 		fileNamingAlgo := config.GetVideoFileNamingAlgorithm()
 
-		overwrite := input.Overwrite
+		overwrite := false
+		if input.Overwrite != nil {
+			overwrite = *input.Overwrite
+		}
 
 		generatePreviewOptions := input.PreviewOptions
 		if generatePreviewOptions == nil {
@@ -644,7 +647,10 @@ func (s *singleton) neededGenerate(scenes []*models.Scene, input models.Generate
 	}()
 
 	fileNamingAlgo := config.GetInstance().GetVideoFileNamingAlgorithm()
-	overwrite := input.Overwrite
+	overwrite := false
+	if input.Overwrite != nil {
+		overwrite = *input.Overwrite
+	}
 
 	logger.Infof("Counting content to generate...")
 	for _, scene := range scenes {