Remove thumbnail generation from process

Closes #1715 (closed)

arkindex/process/serializers/imports.py

@@ -258,9 +258,6 @@ class FilesProcessSerializer(serializers.ModelSerializer):
     # Automatically set the creator on the process
     creator = serializers.HiddenField(default=serializers.CurrentUserDefault())
 
-    # Always start the process with thumbnail generation enabled
-    generate_thumbnails = serializers.HiddenField(default=True)
-
     default_error_messages = {
         "mode_not_allowed": "This mode is not allowed when importing from files",
         "files_required": "At least one file is required to start an import process",
@@ -287,7 +284,6 @@ class FilesProcessSerializer(serializers.ModelSerializer):
             "element_type",
             "farm_id",
             "creator",
-            "generate_thumbnails",
         )
 
     def validate_mode(self, mode):
@@ -389,7 +385,6 @@ class StartProcessSerializer(serializers.Serializer):
         validators=[MaxValueValidator(lambda: settings.MAX_CHUNKS)],
         default=1,
     )
-    thumbnails = serializers.BooleanField(default=False, source="generate_thumbnails")
     farm = serializers.PrimaryKeyRelatedField(queryset=Farm.objects.all(), default=None, allow_null=True)
     use_cache = serializers.BooleanField(default=False)
     use_gpu = serializers.BooleanField(default=False, allow_null=True)
@@ -421,8 +416,6 @@ class StartProcessSerializer(serializers.Serializer):
             elif not any(ds.dataset.corpus_id == self.instance.corpus.id for ds in self.instance.sets.all()):
                 errors["non_field_errors"].append("At least one of the process sets must be from the same corpus as the process.")
 
-            if validated_data.get("generate_thumbnails"):
-                errors["thumbnails"].append("Thumbnails generation is not supported on Dataset processes.")
             if validated_data.get("worker_activity"):
                 errors["worker_activity"].append("Worker activities are not supported on Dataset processes.")
             if validated_data.get("use_cache"):
@@ -481,14 +474,7 @@ class StartProcessSerializer(serializers.Serializer):
                 )
 
         else:
-            if validated_data.get("worker_activity"):
-                errors["worker_activity"].append("The process must have workers attached to handle their activity.")
-            if validated_data.get("use_cache"):
-                errors["use_cache"].append("The process must have workers attached to use cached results.")
-            if validated_data.get("use_gpu"):
-                errors["use_gpu"].append("The process must have workers attached to use GPUs.")
-            if not validated_data.get("generate_thumbnails"):
-                errors["__all__"].append("The process must either use thumbnail generation or have worker runs.")
+            errors["__all__"].append("The process must have worker runs to be started.")
 
         if errors:
             raise ValidationError(errors)