42 lines
1.2 KiB
Elixir
42 lines
1.2 KiB
Elixir
defmodule Chesstrainer.Endgames.Endgame do
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@moduledoc """
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A singular endgame entry
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"""
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use Ecto.Schema
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import Ecto.Changeset
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@primary_key {:id, :binary_id, autogenerate: true}
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@foreign_key_type :binary_id
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schema "endgames" do
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field :fen, :string
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field :color, Ecto.Enum, values: [:white, :black]
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field :key, :string
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field :message, :string
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field :notes, :string
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field :result, Ecto.Enum, values: [:win, :loss, :draw]
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field :rating, :integer
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field :rating_deviation, :integer
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field :times_attempted, :integer
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field :times_solved, :integer
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many_to_many :tags, Chesstrainer.Tags.Tag,
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join_through: "endgames_tags",
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on_replace: :delete
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timestamps(type: :utc_datetime)
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end
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@doc false
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def changeset(endgame, attrs) do
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endgame
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|> cast(attrs, [:fen, :key, :message, :notes, :result, :rating, :color])
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|> validate_required([:fen, :color], message: "Invalid FEN")
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|> validate_required([:key, :result, :rating])
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|> validate_format(:key, ~r/^(?=.{5,10}$)KQ*R*[NB]*P*\sv\sKQ*R*[NB]*P*$/,
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message: "Key must follow pattern KQ.. v KQR.., max pieces 7"
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)
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|> unique_constraint(:fen, message: "FEN already exists")
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end
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end
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