Switch PV curve to HA History API for full day data

matrix.py

@@ -26,7 +26,7 @@ from weather_icons import draw_weather_icon
 from home_assistant import (
     get_weather, get_weather_description,
     get_interior_weather, get_brightness, get_tesla_status,
-    get_solar_status
+    get_solar_status, get_solar_history
 )
 from netdata import get_hdd_temps
 from mqtt_listener import MQTTListener
@@ -133,8 +133,8 @@ class Matrix64Display(SampleBase):
         self.hdd_temps = None
         self.tesla = None
         self.solar = None
-        self.pv_history = []  # list of (timestamp, production_w) for today's curve
-        self.pv_history_date = None  # track current day to reset history
+        self.pv_history = []  # list of (hour_float, watts) from HA history
+        self.last_pv_history_update = 0
         
         # View state
         self.current_view = 0
@@ -259,14 +259,6 @@ class Matrix64Display(SampleBase):
             
             self.tesla = get_tesla_status()
             self.solar = get_solar_status()
-            # Record PV history for today's curve
-            if self.solar and self.solar.get("production") is not None:
-                now = datetime.datetime.now()
-                today = now.date()
-                if self.pv_history_date != today:
-                    self.pv_history = []
-                    self.pv_history_date = today
-                self.pv_history.append((now.hour + now.minute / 60.0, self.solar["production"]))
         except Exception as e:
             print(f"Error updating data: {e}")
 
@@ -814,6 +806,14 @@ class Matrix64Display(SampleBase):
                 self.update_hdd_temps()
                 self.last_update = current_time
 
+            # Update PV history every 5 minutes
+            if current_time - self.last_pv_history_update >= 300:
+                try:
+                    self.pv_history = get_solar_history()
+                except Exception as e:
+                    print(f"Error updating PV history: {e}")
+                self.last_pv_history_update = current_time
+
             if current_time - self.last_update >= 15:
                 self.update_brightness()