Added Support for Goliath Doorbell (#356)

Co-authored-by: Ronnie <[email protected]>

custom_components/dahua/__init__.py

@@ -540,7 +540,7 @@ def is_doorbell(self) -> bool:
         """ Returns true if this is a doorbell (VTO) """
         m = self.model.upper()
         return m.startswith("VTO") or m.startswith("DH-VTO") or (
-                "NVR" not in m and m.startswith("DHI")) or self.is_amcrest_doorbell() or self.is_empiretech_doorbell()
+                "NVR" not in m and m.startswith("DHI")) or self.is_amcrest_doorbell() or self.is_empiretech_doorbell() or self.is_avaloidgoliath_doorbell()
 
     def is_amcrest_doorbell(self) -> bool:
         """ Returns true if this is an Amcrest doorbell """
@@ -550,6 +550,10 @@ def is_empiretech_doorbell(self) -> bool:
         """ Returns true if this is an EmpireTech doorbell """
         return self.model.upper().startswith("DB2X")
 
+    def is_avaloidgoliath_doorbell(self) -> bool:
+        """ Returns true if this is an Avaloid Goliath doorbell """
+        return self.model.upper().startswith("AV-V")
+
     def is_flood_light(self) -> bool:
         """ Returns true if this camera is an floodlight camera (eg.ASH26-W) """
         m = self.model.upper()