blank-white-cards/apps/bwc/lib/bwc.ex

66 lines
1.8 KiB
Elixir

defmodule Bwc do
@moduledoc """
The core module for the Blank White Cards game.
"""
alias Bwc.{Repo, Card, Player}
@repo Repo
def new_player, do: Player.changeset(%Player{})
def create_player(attrs), do: Player.changeset(%Player{}, attrs) |> @repo.insert()
def delete_player(nil), do: {:error, "Player does not exist"}
def delete_player(%Player{} = player), do: player |> @repo.delete
def reset, do: Bwc.list_players |> Enum.each(fn(p) -> Bwc.delete_player(p) end)
def change_name({old_username, new_username}) do
{:ok, old_player} = old_username |> Bwc.get_or_create_player
old_player |> Player.changeset(%{username: new_username}) |> @repo.update()
end
def list_players, do: @repo.all(Player) |> Enum.filter(fn(p) -> p.username != "Nobody" end)
def get_player(id), do: @repo.get!(Player, id)
def get_player_by_username(username), do: get_player_by(%{username: username})
def get_player_by(params), do: @repo.get_by(Player, params)
def get_or_create_player(username) do
case get_player_by(%{username: username}) do
%Player{} = player ->
{:ok, player}
_ ->
create_player(%{username: username})
end
end
def list_cards, do: @repo.all(Card)
def get_card(id), do: @repo.get!(Card, id)
def get_card_by(attrs), do: @repo.get_by(Card, attrs)
def create_card(attrs), do: Card.changeset(%Card{}, attrs) |> @repo.insert()
def new_card, do: Card.changeset(%Card{})
def size, do: Bwc.list_cards() |> length
def draw_card, do: Bwc.list_cards() |> Enum.random()
def draw, do: draw_card()
def delete_card(%Bwc.Card{} = card), do: @repo.delete(card)
def delete_card!(%Bwc.Card{} = card), do: @repo.delete!(card)
def update_card(%Bwc.Card{} = card, updates) do
card
|> Card.changeset(updates)
|> @repo.update
end
end