also add percent to tank mqtt

rust/src/tank.rs

@@ -86,16 +86,21 @@ impl TankState {
     pub fn warn_level(&self, config: &TankConfig) -> Result<bool, TankError> {
         match self {
             TankState::TankSensorDisabled => Err(TankError::SensorDisabled),
-            TankState::TankSensorError(err) => match err {
-                TankError::SensorValueError { value, min, max } => Ok(value < min),
-                _ => Err(err.clone()),
-            },
+            TankState::TankSensorError(err) => Err(err.clone()),
             TankState::TankSensorPresent(raw_value_mv) => {
-                let tank_fill_percent = raw_voltage_to_tank_fill_percent(*raw_value_mv, config)?;
-                if tank_fill_percent < config.tank_warn_percent.into() {
-                    Ok(true)
-                } else {
-                    Ok(false)
+                let tank_fill_percent = raw_voltage_to_tank_fill_percent(*raw_value_mv, config);
+                match tank_fill_percent {
+                    Ok(value) => {
+                        if value < config.tank_warn_percent.into() {
+                            Ok(true)
+                        } else {
+                            Ok(false)
+                        }
+                    }
+                    Err(err) => match err {
+                        TankError::SensorValueError { value, min, max: _ } => Ok(value < min),
+                        _ => Err(err),
+                    },
                 }
             }
         }
@@ -131,6 +136,11 @@ impl TankState {
             TankState::TankSensorPresent(raw_value_mv) => Some(*raw_value_mv),
         };
 
+        let percent = match raw {
+            Some(r) => raw_voltage_to_tank_fill_percent(r, config).ok(),
+            None => None,
+        };
+
         TankInfo {
             enough_water,
             warn_level,
@@ -142,6 +152,7 @@ impl TankState {
                 .is_ok_and(|temp| *temp < WATER_FROZEN_THRESH),
             water_temp: water_temp.as_ref().copied().ok(),
             temp_sensor_error: water_temp.err().map(|err| err.to_string()),
+            percent,
         }
     }
 }
@@ -173,6 +184,8 @@ pub struct TankInfo {
     sensor_error: Option<TankError>,
     /// raw water sensor value
     raw: Option<f32>,
+    /// percent value
+    percent: Option<f32>,
     /// water in tank might be frozen
     water_frozen: bool,
     /// water temperature