mirror of
https://github.com/danbee/chess
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43 lines
844 B
Elixir
43 lines
844 B
Elixir
defmodule Chess.Store.Move do
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@moduledoc false
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use Ecto.Schema
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use Timex.Ecto.Timestamps
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import Ecto.Changeset
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alias Chess.Store.Game
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schema "moves" do
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field :from, :map
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field :to, :map
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field :piece, :map
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field :piece_captured, :map
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belongs_to :game, Game
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timestamps()
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end
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def changeset(struct, params \\ %{}) do
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struct
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|> cast(params, permitted_attrs())
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|> validate_required(required_attrs())
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end
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def transform(move) do
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%{
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id: move.id,
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piece: move.piece,
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piece_captured: move.piece_captured,
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from: <<97 + move.from["file"], 49 + move.from["rank"]>>,
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to: <<97 + move.to["file"], 49 + move.to["rank"]>>,
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}
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end
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defp permitted_attrs, do: ~w[game_id from to piece piece_captured]a
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defp required_attrs, do: ~w[game_id from to piece]a
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end
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