feat(nodes): add nameservice

Currenly only used to make names for images, but when latents, conditioning, etc are managed in DB, will do the same for them.

Intended to eventually support custom naming schemes.

invokeai/app/services/images.py

@@ -1,5 +1,6 @@
 from abc import ABC, abstractmethod
 from logging import Logger
+from os import name
 from typing import Optional, TYPE_CHECKING, Union
 import uuid
 from PIL.Image import Image as PILImageType
@@ -31,6 +32,7 @@ from invokeai.app.services.image_file_storage import (
 )
 from invokeai.app.services.item_storage import ItemStorageABC, PaginatedResults
 from invokeai.app.services.metadata import MetadataServiceBase
+from invokeai.app.services.resource_name import NameServiceBase
 from invokeai.app.services.urls import UrlServiceBase
 
 if TYPE_CHECKING:
@@ -120,6 +122,7 @@ class ImageServiceDependencies:
     metadata: MetadataServiceBase
     urls: UrlServiceBase
     logger: Logger
+    names: NameServiceBase
     graph_execution_manager: ItemStorageABC["GraphExecutionState"]
 
     def __init__(
@@ -129,6 +132,7 @@ class ImageServiceDependencies:
         metadata: MetadataServiceBase,
         url: UrlServiceBase,
         logger: Logger,
+        names: NameServiceBase,
         graph_execution_manager: ItemStorageABC["GraphExecutionState"],
     ):
         self.records = image_record_storage
@@ -136,6 +140,7 @@ class ImageServiceDependencies:
         self.metadata = metadata
         self.urls = url
         self.logger = logger
+        self.names = names
         self.graph_execution_manager = graph_execution_manager
 
 
@@ -149,6 +154,7 @@ class ImageService(ImageServiceABC):
         metadata: MetadataServiceBase,
         url: UrlServiceBase,
         logger: Logger,
+        names: NameServiceBase,
         graph_execution_manager: ItemStorageABC["GraphExecutionState"],
     ):
         self._services = ImageServiceDependencies(
@@ -157,6 +163,7 @@ class ImageService(ImageServiceABC):
             metadata=metadata,
             url=url,
             logger=logger,
+            names=names,
             graph_execution_manager=graph_execution_manager,
         )
 
@@ -175,12 +182,7 @@ class ImageService(ImageServiceABC):
         if image_category not in ImageCategory:
             raise InvalidImageCategoryException
 
-        image_name = self._create_image_name(
-            image_type=image_type,
-            image_category=image_category,
-            node_id=node_id,
-            session_id=session_id,
-        )
+        image_name = self._services.names.create_image_name()
 
         metadata = self._get_metadata(session_id, node_id)
 
@@ -260,7 +262,6 @@ class ImageService(ImageServiceABC):
         except Exception as e:
             self._services.logger.error("Problem updating image record")
             raise e
-        
 
     def get_pil_image(self, image_type: ImageType, image_name: str) -> PILImageType:
         try:
@@ -378,21 +379,6 @@ class ImageService(ImageServiceABC):
             self._services.logger.error("Problem deleting image record and file")
             raise e
 
-    def _create_image_name(
-        self,
-        image_type: ImageType,
-        image_category: ImageCategory,
-        node_id: Optional[str] = None,
-        session_id: Optional[str] = None,
-    ) -> str:
-        """Create a unique image name."""
-        uuid_str = str(uuid.uuid4())
-
-        if node_id is not None and session_id is not None:
-            return f"{image_type.value}_{image_category.value}_{session_id}_{node_id}_{uuid_str}.png"
-
-        return f"{image_type.value}_{image_category.value}_{uuid_str}.png"
-
     def _get_metadata(
         self, session_id: Optional[str] = None, node_id: Optional[str] = None
     ) -> Union[ImageMetadata, None]: