prop/lib/microwaveprop/weather/nexrad_observation.ex
Graham McIntire 51e390959c Add dialyzer specs and types across the codebase
277 @spec/@type annotations added to 58 files covering all public
APIs: contexts (propagation, radio, weather, terrain, beacons,
commercial), GRIB2 decoders, terrain analysis, duct detection,
rain scatter, CSV/ADIF import, weather clients, and all Ecto
schemas. Dialyzer passes with 0 errors.
2026-04-12 08:55:04 -05:00

34 lines
973 B
Elixir

defmodule Microwaveprop.Weather.NexradObservation do
@moduledoc false
use Ecto.Schema
import Ecto.Changeset
@primary_key {:id, :binary_id, autogenerate: true}
@foreign_key_type :binary_id
schema "nexrad_observations" do
field :observed_at, :utc_datetime
field :lat, :float
field :lon, :float
field :mean_reflectivity_dbz, :float
field :max_reflectivity_dbz, :float
field :texture_variance, :float
field :pixel_count, :integer
timestamps(type: :utc_datetime)
end
@type t :: %__MODULE__{}
@required_fields ~w(observed_at lat lon)a
@optional_fields ~w(mean_reflectivity_dbz max_reflectivity_dbz texture_variance pixel_count)a
@spec changeset(t() | Ecto.Changeset.t(), map()) :: Ecto.Changeset.t()
def changeset(observation, attrs) do
observation
|> cast(attrs, @required_fields ++ @optional_fields)
|> validate_required(@required_fields)
|> unique_constraint([:lat, :lon, :observed_at])
end
end