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lib/geo/multi_line_string.ex

defmodule Geo.MultiLineString do
@moduledoc """
Defines the MultiLineString struct. Implements the Ecto.Type behaviour
"""
@type t :: %Geo.MultiLineString{ coordinates: [[{number, number}]], srid: integer }
defstruct coordinates: [], srid: nil
if Code.ensure_loaded?(Ecto.Type) do
@behaviour Ecto.Type
def type, do: :geometry
def blank?(_), do: false
def load(%Geo.MultiLineString{} = multi_line_string), do: {:ok, multi_line_string}
def load(_), do: :error
def dump(%Geo.MultiLineString{} = multi_line_string), do: {:ok, multi_line_string}
def dump(_), do: :error
def cast(%Geo.MultiLineString{} = multi_line_string), do: {:ok, multi_line_string}
def cast(%{"type" => _, "coordinates" => _} = multi_line_string), do: { :ok, Geo.JSON.decode(multi_line_string) }
if Code.ensure_loaded?(Poison) do
def cast(multi_line_string) when is_binary(multi_line_string), do: { :ok, Poison.decode!(multi_line_string) |> Geo.JSON.decode }
end
def cast(_), do: :error
end
end