Added Alexa Music

custom_components/ha_washdata/diag_buffer.py

@@ -1,3 +1,19 @@
+# WashData - Home Assistant integration for appliance cycle monitoring via smart plugs.
+# Copyright (C) 2026 Lukas Bandura
+# SPDX-License-Identifier: AGPL-3.0-or-later
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published
+# by the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program. If not, see <https://www.gnu.org/licenses/>.
 """Diagnostic ring buffers for WashData - rolling 24-hour window.
 
 Each WashDataManager owns one DiagBuffer instance that accumulates three
@@ -112,6 +128,12 @@ class DiagBuffer:
         """Record one raw power-sensor reading (call *before* any throttling)."""
         self._power.append((ts.timestamp(), watts))
 
+    def power_samples(self, since_ts: float | None = None) -> list[tuple[float, float]]:
+        """Return raw (unix_ts, watts) readings, optionally only those at/after since_ts."""
+        if since_ts is None:
+            return list(self._power)
+        return [(ts, w) for ts, w in self._power if ts >= since_ts]
+
     def record_state(
         self,
         from_state: str,