mirror of
https://github.com/danbee/chess
synced 2025-03-04 08:39:06 +00:00
85 lines
2.6 KiB
Elixir
85 lines
2.6 KiB
Elixir
defmodule Chess.Game do
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use Chess.Web, :model
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schema "games" do
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field :board, :map
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timestamps()
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end
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@doc """
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Builds a changeset based on the `struct` and `params`.
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"""
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def changeset(struct) do
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struct
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|> cast(%{}, [:board])
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|> set_default_board
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|> validate_required([:board])
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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, [:board])
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|> validate_required([:board])
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end
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def ordered(query) do
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query
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|> order_by([game], game.id)
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end
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def set_default_board(changeset) do
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changeset
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|> put_change(:board, default_board)
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end
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def default_board do
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%{
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"8" => %{
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a: %{ type: "rook", colour: "black" },
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b: %{ type: "knight", colour: "black" },
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c: %{ type: "bishop", colour: "black" },
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d: %{ type: "queen", colour: "black" },
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e: %{ type: "king", colour: "black" },
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f: %{ type: "bishop", colour: "black" },
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g: %{ type: "knight", colour: "black" },
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h: %{ type: "rook", colour: "black" }
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},
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"7" => %{
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a: %{ type: "pawn", colour: "black" },
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b: %{ type: "pawn", colour: "black" },
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c: %{ type: "pawn", colour: "black" },
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d: %{ type: "pawn", colour: "black" },
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e: %{ type: "pawn", colour: "black" },
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f: %{ type: "pawn", colour: "black" },
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g: %{ type: "pawn", colour: "black" },
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h: %{ type: "pawn", colour: "black" }
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},
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"6" => %{ a: nil, b: nil, c: nil, d: nil, e: nil, f: nil, g: nil, h: nil },
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"5" => %{ a: nil, b: nil, c: nil, d: nil, e: nil, f: nil, g: nil, h: nil },
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"4" => %{ a: nil, b: nil, c: nil, d: nil, e: nil, f: nil, g: nil, h: nil },
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"3" => %{ a: nil, b: nil, c: nil, d: nil, e: nil, f: nil, g: nil, h: nil },
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"2" => %{
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a: %{ type: "pawn", colour: "white" },
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b: %{ type: "pawn", colour: "white" },
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c: %{ type: "pawn", colour: "white" },
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d: %{ type: "pawn", colour: "white" },
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e: %{ type: "pawn", colour: "white" },
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f: %{ type: "pawn", colour: "white" },
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g: %{ type: "pawn", colour: "white" },
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h: %{ type: "pawn", colour: "white" }
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},
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"1" => %{
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a: %{ type: "rook", colour: "white" },
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b: %{ type: "knight", colour: "white" },
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c: %{ type: "bishop", colour: "white" },
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d: %{ type: "queen", colour: "white" },
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e: %{ type: "king", colour: "white" },
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f: %{ type: "bishop", colour: "white" },
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g: %{ type: "knight", colour: "white" },
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h: %{ type: "rook", colour: "white" }
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}
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}
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end
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end
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