| defmodule Plausible.ChangesetHelpers do |
| @moduledoc "Helper function for working with Ecto changesets" |
|
|
| def traverse_errors(changeset) do |
| Ecto.Changeset.traverse_errors(changeset, fn {msg, opts} -> |
| Regex.replace(~r"%{(\w+)}", msg, fn _, key -> |
| opts |
| |> Keyword.get(String.to_existing_atom(key), key) |
| |> to_string() |
| end) |
| end) |
| end |
|
|
| @doc """ |
| iex> serialize_first_error([{"name", {"should be at most %{count} byte(s)", [count: 255]}}]) |
| "name should be at most 255 byte(s)" |
| """ |
| def serialize_first_error(errors) do |
| {field, {message, opts}} = List.first(errors) |
|
|
| formatted_message = |
| Enum.reduce(opts, message, fn {key, value}, acc -> |
| placeholder = "%{#{key}}" |
|
|
| if String.contains?(acc, placeholder) do |
| String.replace(acc, placeholder, to_string(value)) |
| else |
| acc |
| end |
| end) |
|
|
| "#{field} #{formatted_message}" |
| end |
| end |
|
|
