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defmodule RookWeb.ErrorHelpers do
@moduledoc """
Conveniences for translating and building error messages.
"""
use Phoenix.HTML
@doc """
Generates tag for inlined form input errors.
"""
def error_tag(form, field) do
Enum.map(Keyword.get_values(form.errors, field), fn error ->
content_tag(:span, translate_error(error),
class: "invalid-feedback",
phx_feedback_for: input_name(form, field)
)
end)
end
@doc """
Translates an error message.
"""
def translate_error({msg, opts}) do
# Because the error messages we show in our forms and APIs
# are defined inside Ecto, we need to translate them dynamically.
Enum.reduce(opts, msg, fn {key, value}, acc ->
String.replace(acc, "%{#{key}}", to_string(value))
end)
end
end
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