Config flow for doorbird (#33165)

* Config flow for doorbird

* Discoverable via zeroconf

* Fix zeroconf test

* add missing return

* Add a test for legacy over ride url (will go away when refactored to cloud hooks)

* Update homeassistant/components/doorbird/__init__.py

Co-Authored-By: Paulus Schoutsen <paulus@home-assistant.io>

* without getting the hooks its not so useful

* Update homeassistant/components/doorbird/config_flow.py

Co-Authored-By: Paulus Schoutsen <paulus@home-assistant.io>

* fix copy pasta

* remove identifiers since its in connections

* self review fixes

Co-authored-by: Paulus Schoutsen <paulus@home-assistant.io>

homeassistant/components/doorbird/entity.py

@@ -0,0 +1,36 @@
+"""The DoorBird integration base entity."""
+
+from homeassistant.helpers import device_registry as dr
+from homeassistant.helpers.entity import Entity
+
+from .const import (
+    DOORBIRD_INFO_KEY_BUILD_NUMBER,
+    DOORBIRD_INFO_KEY_DEVICE_TYPE,
+    DOORBIRD_INFO_KEY_FIRMWARE,
+    MANUFACTURER,
+)
+from .util import get_mac_address_from_doorstation_info
+
+
+class DoorBirdEntity(Entity):
+    """Base class for doorbird entities."""
+
+    def __init__(self, doorstation, doorstation_info):
+        """Initialize the entity."""
+        super().__init__()
+        self._doorstation_info = doorstation_info
+        self._doorstation = doorstation
+        self._mac_addr = get_mac_address_from_doorstation_info(doorstation_info)
+
+    @property
+    def device_info(self):
+        """Doorbird device info."""
+        firmware = self._doorstation_info[DOORBIRD_INFO_KEY_FIRMWARE]
+        firmware_build = self._doorstation_info[DOORBIRD_INFO_KEY_BUILD_NUMBER]
+        return {
+            "connections": {(dr.CONNECTION_NETWORK_MAC, self._mac_addr)},
+            "name": self._doorstation.name,
+            "manufacturer": MANUFACTURER,
+            "sw_version": f"{firmware} {firmware_build}",
+            "model": self._doorstation_info[DOORBIRD_INFO_KEY_DEVICE_TYPE],
+        }