defmodule Fields.Postcode do
@moduledoc """
An Ecto Type for plaintext postcodes.
Use for publicly available postcodes. For personal data, use `Fields.PostcodeEncrypted` instead.
## Example
schema "retailers" do
field(:postcode, Fields.Postcode)
end
"""
alias Fields.Validate
use Ecto.Type
def type, do: :string
def cast(value) do
value = value |> to_string() |> String.trim()
case Validate.postcode(value) do
true -> {:ok, value}
false -> :error
end
end
def dump(value) do
{:ok, to_string(value)}
end
def load(value) do
{:ok, value}
end
def embed_as(_), do: :self
def equal?(term1, term2), do: term1 == term2
end