feat(app): add method & route to get uncategorized image counts

invokeai/app/api/routers/boards.py

@@ -5,7 +5,7 @@ from fastapi.routing import APIRouter
 from pydantic import BaseModel, Field
 
 from invokeai.app.api.dependencies import ApiDependencies
-from invokeai.app.services.board_records.board_records_common import BoardChanges
+from invokeai.app.services.board_records.board_records_common import BoardChanges, UncategorizedImageCounts
 from invokeai.app.services.boards.boards_common import BoardDTO
 from invokeai.app.services.shared.pagination import OffsetPaginatedResults
 
@@ -146,3 +146,14 @@ async def list_all_board_image_names(
         board_id,
     )
     return image_names
+
+
+@boards_router.get(
+    "/uncategorized/counts",
+    operation_id="get_uncategorized_image_counts",
+    response_model=UncategorizedImageCounts,
+)
+async def get_uncategorized_image_counts() -> UncategorizedImageCounts:
+    """Gets count of images and assets for uncategorized images (images with no board assocation)"""
+
+    return ApiDependencies.invoker.services.board_records.get_uncategorized_image_counts()

invokeai/app/services/board_records/board_records_base.py

@@ -1,6 +1,6 @@
 from abc import ABC, abstractmethod
 
-from invokeai.app.services.board_records.board_records_common import BoardChanges, BoardRecord
+from invokeai.app.services.board_records.board_records_common import BoardChanges, BoardRecord, UncategorizedImageCounts
 from invokeai.app.services.shared.pagination import OffsetPaginatedResults
 
 
@@ -48,3 +48,8 @@ class BoardRecordStorageBase(ABC):
     def get_all(self, include_archived: bool = False) -> list[BoardRecord]:
         """Gets all board records."""
         pass
+
+    @abstractmethod
+    def get_uncategorized_image_counts(self) -> UncategorizedImageCounts:
+        """Gets count of images and assets for uncategorized images (images with no board assocation)."""
+        pass

invokeai/app/services/board_records/board_records_common.py

@@ -79,3 +79,8 @@ class BoardRecordDeleteException(Exception):
 
     def __init__(self, message="Board record not deleted"):
         super().__init__(message)
+
+
+class UncategorizedImageCounts(BaseModel):
+    image_count: int = Field(description="The number of uncategorized images.")
+    asset_count: int = Field(description="The number of uncategorized assets.")

invokeai/app/services/board_records/board_records_sqlite.py

@@ -9,6 +9,7 @@ from invokeai.app.services.board_records.board_records_common import (
     BoardRecordDeleteException,
     BoardRecordNotFoundException,
     BoardRecordSaveException,
+    UncategorizedImageCounts,
     deserialize_board_record,
 )
 from invokeai.app.services.shared.pagination import OffsetPaginatedResults
@@ -228,3 +229,28 @@ class SqliteBoardRecordStorage(BoardRecordStorageBase):
             raise e
         finally:
             self._lock.release()
+
+    def get_uncategorized_image_counts(self) -> UncategorizedImageCounts:
+        try:
+            self._lock.acquire()
+            query = """
+                -- Get the count of uncategorized images and assets.
+                SELECT
+                    CASE
+                        WHEN i.image_category = 'general' THEN 'image_count' -- "Images" are images in the 'general' category
+                        ELSE 'asset_count' -- "Assets" are images in any of the other categories ('control', 'mask', 'user', 'other')
+                    END AS category_type,
+                    COUNT(*) AS unassigned_count
+                FROM images i
+                LEFT JOIN board_images bi ON i.image_name = bi.image_name
+                WHERE bi.board_id IS NULL -- Uncategorized images have no board association
+                AND i.is_intermediate = 0 -- Omit intermediates from the counts
+                GROUP BY category_type; -- Group by category_type alias, as derived from the image_category column earlier
+                """
+            self._cursor.execute(query)
+            results = self._cursor.fetchall()
+            image_count = dict(results)["image_count"]
+            asset_count = dict(results)["asset_count"]
+            return UncategorizedImageCounts(image_count=image_count, asset_count=asset_count)
+        finally:
+            self._lock.release()