handle theme deletion

barkshark_web/localweb/page/preferences.haml

@@ -68,7 +68,7 @@
 							-else
 								%a.grid-item.button.activate onclick='toggle_theme("{{theme.hash}}")' << Enable
 
-							%a.grid-item.button href='delete_item("/preferences/theme/delete", "{{theme.hash}}")' << Delete
+							%a.grid-item.button onclick='delete_item("/preferences/theme/delete", "{{theme.hash}}")' << Delete
 
 		%details.category.section {{'open' if pass_type == 'bitwarden' else ''}}
 			%summary << Password Storage: Bitwarden

barkshark_web/protocol/local.py

@@ -510,6 +510,20 @@ def preferences_bw_unlock(handler, request, password):
 	return request.ok_or_redirect('Unlocked password vault')
 
 
+@Local.route('/preferences/theme/delete/{hash}')
+def preferences_theme_delete(handler, request, hash):
+	themes = handler.window.themes
+
+	try:
+		theme = themes.user[hash]
+
+	except KeyError as e:
+		request.error(e, 404)
+
+	theme.path.delete()
+	return request.ok_or_redirect(f'Deleted theme: {theme.name}')
+
+
 @Local.route('/preferences/theme/set/{hash}')
 def preferences_theme_set(handler, request, hash):
 	themes = handler.window.themes

barkshark_web/themes.py

@@ -390,13 +390,18 @@ class UserWatchHandler(WatcherBase):
 
 	def on_deleted(self, event):
 		path = Path(event.src_path)
-		theme = self.themes.get_theme_by_file(path)
+
+		try:
+			theme = self.themes.get_theme_by_file(path)
+
+		except KeyError:
+			return
 
 		if path.name == 'manifest.ini':
-			if self.themes.current == theme.path:
+			if self.themes.current == theme.hash:
 				run_in_gui_thread(self.themes.unset)
 
-			del self.themes.user[theme.path]
+			del self.themes.user[theme.hash]
 
 			logging.verbose(f'Deleted theme: {theme.name}')