29 lines
853 B
Elixir
29 lines
853 B
Elixir
defmodule Mobilizon.Web.Email.Checker do
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@moduledoc """
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Provides a function to test emails against a "not so bad" regex.
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"""
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@email_regex ~r/^[\w.!#$%&’*+\-\/=?\^`{|}~]+@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)*$/i
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@doc """
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Returns whether the email is valid.
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"""
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@spec valid?(String.t()) :: boolean
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def valid?(email), do: email =~ @email_regex
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@spec validate_changeset(Ecto.Changeset.t()) :: Ecto.Changeset.t()
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def validate_changeset(%Ecto.Changeset{} = changeset) do
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changeset = Ecto.Changeset.validate_length(changeset, :email, min: 3, max: 250)
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case Ecto.Changeset.fetch_change(changeset, :email) do
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{:ok, email} ->
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if valid?(email),
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do: changeset,
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else: Ecto.Changeset.add_error(changeset, :email, "Email doesn't fit required format")
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:error ->
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changeset
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end
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end
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end
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