Store estimated battery range

lib/teslamate/log/position.ex

@@ -13,6 +13,7 @@ defmodule TeslaMate.Log.Position do
     field :power, :float
     field :odometer, :float
     field :ideal_battery_range_km, :float
+    field :est_battery_range_km, :float
     field :battery_level, :integer
     field :battery_heater, :boolean
     field :battery_heater_on, :boolean
@@ -43,6 +44,7 @@ defmodule TeslaMate.Log.Position do
       :power,
       :odometer,
       :ideal_battery_range_km,
+      :est_battery_range_km,
       :battery_level,
       :battery_heater_no_power,
       :battery_heater_on,

lib/teslamate/vehicles/vehicle/vehicle.ex

@@ -498,6 +498,7 @@ defmodule TeslaMate.Vehicles.Vehicle do
       inside_temp: vehicle.climate_state.inside_temp,
       odometer: Convert.miles_to_km(vehicle.vehicle_state.odometer, 6),
       ideal_battery_range_km: Convert.miles_to_km(vehicle.charge_state.ideal_battery_range, 1),
+      est_battery_range_km: Convert.miles_to_km(vehicle.charge_state.est_battery_range, 1),
       altitude: nil,
       fan_status: vehicle.climate_state.fan_status,
       is_climate_on: vehicle.climate_state.is_climate_on,

priv/repo/migrations/20190816200723_add_est_battery_range_km.exs

@@ -0,0 +1,9 @@
+defmodule TeslaMate.Repo.Migrations.AddEstBatteryRangeKm do
+  use Ecto.Migration
+
+  def change do
+    alter table(:positions) do
+      add(:est_battery_range_km, :float)
+    end
+  end
+end