Add search feature for Gotify alerts

gotify_tray/gui/models/MessagesModel.py

@@ -44,11 +44,16 @@ class MessagesProxyModel(QtCore.QSortFilterProxyModel):
     def __init__(self, parent=None):
         super().__init__(parent)
         self.allowed_priorities = set(range(11))  # 0-10
+        self.text_filter = ""
 
     def set_allowed_priorities(self, priorities: set[int]):
         self.allowed_priorities = priorities
         self.invalidateFilter()
 
+    def set_text_filter(self, text: str):
+        self.text_filter = text.lower()
+        self.invalidateFilter()
+
     def filterAcceptsRow(
         self, source_row: int, source_parent: QtCore.QModelIndex
     ) -> bool:
@@ -58,4 +63,9 @@ class MessagesProxyModel(QtCore.QSortFilterProxyModel):
         priority = message.priority if message.priority is not None else 0
         if self.allowed_priorities and priority not in self.allowed_priorities:
             return False
+        if self.text_filter:
+            title = (message.title or "").lower()
+            msg = message.message.lower()
+            if self.text_filter not in title and self.text_filter not in msg:
+                return False
         return True