Merge pull request #31 from presenton/user_presentation_fixes

fix(fastapi):filter presentation based on number of slides

servers/fastapi/api/routers/presentation/handlers/get_presentations.py

@@ -1,7 +1,7 @@
-from sqlmodel import select
+from sqlmodel import select, exists
 from api.models import LogMetadata
 from api.services.logging import LoggingService
-from api.sql_models import PresentationSqlModel
+from api.sql_models import PresentationSqlModel, SlideSqlModel
 from api.services.database import get_sql_session
 
 
@@ -10,16 +10,16 @@ class GetPresentationsHandler:
     async def get(self, logging_service: LoggingService, log_metadata: LogMetadata):
 
         with get_sql_session() as sql_session:
-            presentations = sql_session.exec(select(PresentationSqlModel)).all()
-
-        for each in presentations:
-            each.data = None
-            each.summary = None
-            if not each.thumbnail:
-                presentations.remove(each)
+            # Get presentations that have at least one slide
+            presentations = sql_session.exec(
+                select(PresentationSqlModel).where(
+                    exists().where(
+                        SlideSqlModel.presentation == PresentationSqlModel.id
+                    )
+                )
+            ).all()
 
         presentations.sort(key=lambda x: x.created_at, reverse=True)
-        
 
         logging_service.logger.info(
             logging_service.message(