Display status with details

src/apps/home_assistant.py

@@ -1,15 +1,21 @@
-import badger2040w as badger2040
+from badger2040w import WIDTH, Badger2040W
-from badger2040w import WIDTH
 import urequests
+
+import secrets
 from secrets import HA_BASE_URL, HA_ACCESS_TOKEN
 
 
-display = badger2040.Badger2040W()
+display = Badger2040W()
 display.led(128)
 display.set_update_speed(2)
+BLACK = 0
+WHITE = 15
 
 display.connect()
 
+LINE_START_OFFSET = 3
+STATUS_VALUE_OFFSET = 25
+
 
 class HAError(Exception):
     pass
@@ -19,67 +25,133 @@ class HAFetchStateError(HAError):
     pass
 
 
-class HAPlant:
+def fetch_state(entity: str) -> dict:
-    def __init__(self, entity_id):
-        self.entity_id = entity_id
-        self.state = None
-        self._last_fetched = None
-
-    def fetch_state(self) -> None:
-        """Fetch state and store in self.state."""
     headers = {
         "Authorization": f"Bearer {HA_ACCESS_TOKEN}",
         "content-type": "application/json",
     }
-        url = f"{HA_BASE_URL}/states/{self.entity_id}"
+    url = f"{HA_BASE_URL}/states/{entity}"
     print("Fetching state from", url)
     res = urequests.get(url, headers=headers)
     if res.status_code != 200:
-            msg = f"Error fetching state for {self.entity_id}: {res.text}"
+        msg = f"Error fetching state for {entity}: {res.text}"
         raise HAFetchStateError(msg)
     data = res.json()
-        self.state = data
     res.close()
-
+    del data["context"]
-    def display_state(self):
+    print(data)
-        print(self.state)
+    return data
 
 
-def draw_page(plant):
+class HAPlant:
-    print("Drawing page...")
+    def __init__(self):
-    # Clear the display
+        self._last_fetched = None
-    display.set_pen(15)
+        self.plant_state = None
-    display.clear()
+        # Example state
-    display.set_pen(0)
+        # {
+        #   "entity_id": "plant.aloe_vera",
+        #   "state": "problem",
+        #   "attributes": {
+        #     "species": "Aloe vera",
+        #     "moisture_status": "ok",
+        #     "temperature_status": "ok",
+        #     "conductivity_status": "Low",
+        #     "illuminance_status": "ok",
+        #     "humidity_status": null,
+        #     "dli_status": "Low",
+        #     "species_original": "aloe vera",
+        #     "device_class": "plant",
+        #     "entity_picture": "https://opb-img.plantbook.io/aloe%20vera.jpg",
+        #     "friendly_name": "Aloe vera"
+        #   },
+        #   "last_changed": "2023-03-10T12:51:29.103630+00:00",
+        #   "last_updated": "2023-03-10T12:52:47.188669+00:00",
+        # }
+        self.details = {}
+        # Example illuminance state
+        # {
+        #   "entity_id": "sensor.aloe_vera_illuminance",
+        #   "state": "245",
+        #   "attributes": {
+        #     "state_class": "measurement",
+        #     "unit_of_measurement": "lx",
+        #     "device_class": "illuminance",
+        #     "friendly_name": "Aloe vera Illuminance"
+        #   },
+        #   "last_changed": "2023-03-10T13:58:08.838316+00:00",
+        #   "last_updated": "2023-03-10T13:58:08.838316+00:00",
+        # }
 
-    # Draw the page header
+    def get_plant_attribute(self, attribute):
-    display.set_font("bitmap6")
+        return self.plant_state.get("attributes", {}).get(attribute, None)
-    display.set_pen(0)
-    display.rectangle(0, 0, WIDTH, 20)
-    display.set_pen(15)
-    display.text("Weather", 3, 4)
-    display.set_pen(0)
 
-    display.set_font("bitmap8")
+    def get_detailed_state(self, attribute):
-    display.set_pen(0)
+        return self.details.get(attribute, {}).get("state", None)
-    display.rectangle(0, 60, WIDTH, 25)
+
-    display.set_pen(15)
+    def get_detailed_attribute(self, attribute, attribute_name):
-    display.text(
+        return (
-        "Found state, check logs",
+            self.details.get(attribute, {})
-        5,
+            .get("attributes", {})
-        65,
+            .get(attribute_name, None)
-        WIDTH,
-        1,
         )
 
+    def get_plant_status(self, attribute):
+        status = self.get_plant_attribute(f"{attribute}_status")
+        if status is None:
+            return "N/A"
+        status = status.upper()
+        if status == "OK":
+            return "OK"
+        detailed_state = self.get_detailed_state(
+            attribute
+        ) + self.get_detailed_attribute(attribute, "unit_of_measurement")
+        if status == "LOW":
+            return f"Bas ({detailed_state})"
+        if status == "HIGH":
+            return f"Haut ({detailed_state})"
+        return status
+
+    def fetch_states(self) -> None:
+        self.plant_state = fetch_state(secrets.HA_PLANT_ID)
+        self.details["moisture"] = fetch_state(secrets.HA_PLANT_MOISTURE_SENSOR)
+        self.details["illuminance"] = fetch_state(secrets.HA_PLANT_ILLUMINANCE_SENSOR)
+        self.details["temperature"] = fetch_state(secrets.HA_PLANT_TEMPERATURE_SENSOR)
+        self.details["conductivity"] = fetch_state(secrets.HA_PLANT_CONDUCTIVITY_SENSOR)
+        print(self.details)
+
+    def display_state(self):
+        # Clear the display
+        display.set_pen(WHITE)
+        display.clear()
+
+        # Draw the page header
+        display.set_pen(BLACK)
+        display.rectangle(0, 0, WIDTH, 20)
+
+        # Write text in header
+        display.set_font("bitmap6")
+        display.set_pen(WHITE)
+        display.text(self.get_plant_attribute("friendly_name"), 3, 4)
+
+        display.set_pen(BLACK)
+        display.text("H", LINE_START_OFFSET, 30)
+        display.text("T", LINE_START_OFFSET, 55)
+        display.text("C", LINE_START_OFFSET, 80)
+        display.text("L", LINE_START_OFFSET, 105)
+
+        display.set_font("bitmap8")
+        display.text(self.get_plant_status("moisture"), STATUS_VALUE_OFFSET, 30)
+        display.text(self.get_plant_status("temperature"), STATUS_VALUE_OFFSET, 55)
+        display.text(self.get_plant_status("conductivity"), STATUS_VALUE_OFFSET, 80)
+        display.text(self.get_plant_status("illuminance"), STATUS_VALUE_OFFSET, 105)
+
         display.update()
+
+
+plant = HAPlant()
+plant.fetch_states()
 plant.display_state()
 
-
-plant = HAPlant("plant.aloe_vera")
-plant.fetch_state()
-draw_page(plant)
-
 # Call halt in a loop, on battery this switches off power.
 # On USB, the app will exit when A+C is pressed because the launcher picks that up.
 while True: