Add the feature to delete all the photos from a travel diary and also remove all the references of photos inside the entry

src/pilgrim/service/entry_service.py

@@ -1,3 +1,4 @@
+import re
 from datetime import datetime
 from typing import List
 
@@ -54,3 +55,24 @@ class EntryService:
             self.session.commit()
             return excluded
         return None
+
+
+    def delete_references_for_specific_photo(self, entry: Entry, photo_hash: str) -> Entry:
+        regex = r"\[\[photo::" + re.escape(photo_hash) + r"\]\]"
+        entry.text = re.sub(regex, lambda match: ' ' * len(match.group(0)), entry.text)
+
+        self.session.commit()
+        self.session.refresh(entry)
+
+        return entry
+
+    def delete_all_photo_references(self, entry: Entry, commit=True) -> Entry:
+        if not entry.photos:
+            return entry
+        photo_hashes = {photo.photo_hash[:8] for photo in entry.photos}
+        regex = r"\[\[photo::(" + "|".join(re.escape(h) for h in photo_hashes) + r")\]\]"
+        entry.text = re.sub(regex, lambda match: ' ' * len(match.group(0)), entry.text)
+        if commit:
+            self.session.commit()
+            self.session.refresh(entry)
+        return entry

src/pilgrim/service/photo_service.py

@@ -141,7 +141,7 @@ class PhotoService:
             return original
         return None
 
-    def delete(self, photo_src: Photo) -> Photo | None:
+    def delete(self, photo_src: Photo, commit=True) -> Photo | None:
         excluded = self.read_by_id(photo_src.id)
         if excluded:
             # Store photo data before deletion
@@ -162,7 +162,8 @@ class PhotoService:
                 file_path.unlink()
             
             self.session.delete(excluded)
-            self.session.commit()
+            if commit:
+                self.session.commit()
             
             return deleted_photo
         return None

src/pilgrim/service/travel_diary_service.py

@@ -10,6 +10,9 @@ from sqlalchemy.exc import IntegrityError
 from pilgrim.models.travel_diary import TravelDiary
 from unidecode import unidecode
 
+from pilgrim.service.photo_service import PhotoService
+from pilgrim.service.entry_service import EntryService
+
 class TravelDiaryService:
     def __init__(self, session):
         self.session = session
@@ -156,6 +159,24 @@ class TravelDiaryService:
            self.session.commit()
 
 
+           return True
+
+        return False
+
+    def delete_all_photos(self,travel_diary: TravelDiary):
+        diary = self.read_by_id(travel_diary.id)
+        photo_service = PhotoService(self.session)
+        entry_service = EntryService(self.session)
+        if diary is not None:
+
+           for entry in list(diary.entries):
+               entry_service.delete_all_photo_references(entry,commit=False)
+
+           for photo in list(diary.photos):
+               photo_service.delete(photo,commit=False)
+
+           self.session.commit()
+
            return True
 
         return False

src/pilgrim/ui/screens/modals/delete_all_photos_from_diary_modal.py

@@ -10,11 +10,23 @@ class DeleteAllPhotosModal(DeleteYesConfirmationModal):
     def __init__(self,diary_id:int):
         super().__init__(diary_id)
         self.head_text.update("Are you sure you want to delete all photos from this diary?")
+        self.delete_button.add_class("DeleteDiaryModal-DeleteButton")
 
 
 
-    @on(Button.Pressed, "#DeleteDiaryModal-DeleteButton")
+    @on(Button.Pressed, ".DeleteDiaryModal-DeleteButton")
     def on_delete_button_pressed(self, event):
-        self.result = True
-        self.dismiss()
 
+        from pilgrim.ui.screens.diary_list_screen import DiaryListScreen
+
+        self.result = True
+        self._delete_all_photo()
+        self.dismiss()
+        self.app.push_screen(DiaryListScreen())
+        
+    def _delete_all_photo(self):
+        diary = self.app.service_manager.get_travel_diary_service().read_by_id(self.diary_id)
+        if self.app.service_manager.get_travel_diary_service().delete_all_photos(diary):
+            self.notify("All photos deleted successfully")
+        else:
+            self.notify("Failed to delete all photos")