Made some changes to naming in both the classes and the tables of the database to conform the correct naming scheme

src/pilgrim/service/entry_service.py

@@ -1,4 +1,4 @@
-
+from typing import List
 
 from ..models.entry import Entry
 from ..models.travel_diary import TravelDiary
@@ -20,33 +20,31 @@ class EntryService:
 
         return new_entry
 
-    def read_by_id(self,entry_id:int):
+    def read_by_id(self,entry_id:int)->Entry:
         entry = self.session.query(Entry).filter(Entry.id == entry_id).first()
         return entry
 
-    def read_all(self):
+    def read_all(self)-> List[Entry]:
         entries = self.session.query(Entry).all()
         return entries
 
-    def update(self,entry_src:Entry,entry_dst:Entry):
+    def update(self,entry_src:Entry,entry_dst:Entry) -> Entry | None:
         original:Entry = self.read_by_id(entry_src.id)
         if original:
             original.title = entry_dst.title
             original.text = entry_dst.text
             original.date = entry_dst.date
-            original.fk_TravelDiary_id = entry_dst.fk_TravelDiary_id
+            original.fk_travel_diary_id = entry_dst.fk_travel_diary_id
             original.photos = entry_dst.photos
             self.session.commit()
             self.session.refresh(original)
-        return original
+            return original
+        return None
 
-    def delete(self,entry_src:Entry):
+    def delete(self,entry_src:Entry)-> Entry | None:
         excluded = self.read_by_id(entry_src.id)
         if excluded is not None:
             self.session.delete(excluded)
             self.session.commit()
             return excluded
         return None
-
-
-

src/pilgrim/service/photo_service.py

@@ -43,4 +43,3 @@ class PhotoService:
             self.session.refresh(excluded)
             return excluded
         return None
-

src/pilgrim/service/servicemanager.py

@@ -16,4 +16,4 @@ class ServiceManager:
     def get_travel_diary_service(self):
         if self.session is not None:
             return TravelDiaryService(self.session)
-        return None
+        return None