refactor to allow adding multiple devices (close #8)

custom_components/bwt_perla/__init__.py

@@ -7,8 +7,9 @@
 
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import Platform
-from homeassistant.core import HomeAssistant
+from homeassistant.core import HomeAssistant, callback
 from homeassistant.exceptions import ConfigEntryNotReady
+from homeassistant.helpers.entity_registry import async_migrate_entries
 
 from .const import DOMAIN
 
@@ -42,3 +43,23 @@ async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
         await api.close()
 
     return unload_ok
+
+
+async def async_migrate_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
+    """Migrate old entry."""
+    _LOGGER.debug("Migrating from version %s", entry.version)
+
+    # Add entry id to unique id in order to allow multiple devices
+    if entry.version == 1:
+
+        @callback
+        def update_unique_id(entity_entry):
+            """Update unique ID of entity entry."""
+            return {"new_unique_id": entry.entry_id + "_" + entity_entry.unique_id}
+
+        await async_migrate_entries(hass, entry.entry_id, update_unique_id)
+        entry.version = 2
+
+    _LOGGER.info("Migration to version %s successful", entry.version)
+
+    return True

custom_components/bwt_perla/config_flow.py

@@ -38,7 +38,7 @@ async def validate_input(hass: HomeAssistant, data: dict[str, Any]) -> dict[str,
 class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
     """Handle a config flow for BWT Perla."""
 
-    VERSION = 1
+    VERSION = 2
 
     async def async_step_user(
         self, user_input: dict[str, Any] | None = None

custom_components/bwt_perla/manifest.json

@@ -7,6 +7,7 @@
   "documentation": "https://github.com/dkarv/hacs-bwt-perla/blob/master/README.md",
   "version": "0.5.0",
   "homekit": {},
+  "integration_type": "device",
   "iot_class": "local_polling",
   "issue_tracker": "https://github.com/dkarv/hacs-bwt-perla/issues",
   "requirements": ["bwt_api==0.4.2"],