HaimKortovich
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61 lines
1.5 KiB
Elixir
61 lines
1.5 KiB
Elixir
defmodule CustomerServiceWeb.ErrorJSON do
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@moduledoc """
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This module is invoked by your endpoint in case of errors on JSON requests.
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"""
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alias Ecto.Changeset
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alias OpenApiSpex.Error
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def render("404.json", _assigns) do
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%{errors: %{detail: "Not Found"}}
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end
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def render("500.json", assigns) do
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detail = detailed_message(assigns[:reason], "Internal Server Error")
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%{errors: %{detail: detail}}
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end
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def render("400.json", assigns) do
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detail = detailed_message(assigns[:reason], "Bad Request")
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%{errors: %{detail: detail}}
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end
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def render("422.json", assigns) do
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detail = detailed_message(assigns[:reason], "Unprocessable Entity")
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%{errors: %{detail: detail}}
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end
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def render(template, assigns) do
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detail =
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detailed_message(
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assigns[:reason],
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Phoenix.Controller.status_message_from_template(template)
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)
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%{errors: %{detail: detail}}
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end
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defp detailed_message(nil, default), do: default
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defp detailed_message(%Changeset{} = changeset, _default) do
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format_changeset_errors(changeset)
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|> inspect()
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end
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defp detailed_message(%Error{errors: errors}, _default) do
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Enum.map_join(errors, ", ", fn e -> "#{e.code}: #{e.message}" end)
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end
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defp detailed_message(reason, _default) do
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inspect(reason, pretty: true)
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end
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defp format_changeset_errors(changeset) do
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Changeset.traverse_errors(changeset, fn {msg, opts} ->
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Enum.reduce(opts, msg, fn {key, value}, acc ->
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String.replace(acc, "%{#{key}}", to_string(value))
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end)
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end)
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end
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end
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