100 lines
2.8 KiB
Elixir
100 lines
2.8 KiB
Elixir
defmodule Mobilizon.GraphQL.Error do
|
|
@moduledoc """
|
|
Module to handle errors in GraphQL
|
|
"""
|
|
|
|
require Logger
|
|
alias __MODULE__
|
|
import Mobilizon.Web.Gettext
|
|
|
|
defstruct [:code, :message, :status_code, :field]
|
|
|
|
# Error Tuples
|
|
# ------------
|
|
# Regular errors
|
|
def normalize({:error, reason}) do
|
|
handle(reason)
|
|
end
|
|
|
|
# Ecto transaction errors
|
|
def normalize({:error, _operation, reason, _changes}) do
|
|
handle(reason)
|
|
end
|
|
|
|
# Unhandled errors
|
|
def normalize(other) do
|
|
handle(other)
|
|
end
|
|
|
|
# Handle Different Errors
|
|
# -----------------------
|
|
defp handle(code) when is_atom(code) do
|
|
{status, message} = metadata(code)
|
|
|
|
%Error{
|
|
code: code,
|
|
message: message,
|
|
status_code: status
|
|
}
|
|
end
|
|
|
|
defp handle(errors) when is_list(errors) do
|
|
Enum.map(errors, &handle/1)
|
|
end
|
|
|
|
defp handle(%Ecto.Changeset{} = changeset) do
|
|
changeset
|
|
|> Ecto.Changeset.traverse_errors(fn {err, _opts} -> err end)
|
|
|> Enum.map(fn {k, v} ->
|
|
%Error{
|
|
code: :validation,
|
|
message: v,
|
|
field: k,
|
|
status_code: 422
|
|
}
|
|
end)
|
|
end
|
|
|
|
defp handle(reason) when is_binary(reason) do
|
|
%Error{
|
|
code: :unknown_error,
|
|
message: reason,
|
|
status_code: 500
|
|
}
|
|
end
|
|
|
|
# ... Handle other error types here ...
|
|
defp handle(other) do
|
|
Logger.error("Unhandled error term:\n#{inspect(other)}")
|
|
handle(:unknown)
|
|
end
|
|
|
|
# Build Error Metadata
|
|
# --------------------
|
|
defp metadata(:unknown_resource), do: {400, dgettext("errors", "Unknown Resource")}
|
|
defp metadata(:invalid_argument), do: {400, dgettext("errors", "Invalid arguments passed")}
|
|
defp metadata(:unauthenticated), do: {401, dgettext("errors", "You need to be logged in")}
|
|
|
|
defp metadata(:password_hash_missing),
|
|
do: {401, dgettext("errors", "Reset your password to login")}
|
|
|
|
defp metadata(:incorrect_password), do: {401, dgettext("errors", "Invalid credentials")}
|
|
|
|
defp metadata(:unauthorized),
|
|
do: {403, dgettext("errors", "You don't have permission to do this")}
|
|
|
|
defp metadata(:not_found), do: {404, dgettext("errors", "Resource not found")}
|
|
defp metadata(:user_not_found), do: {404, dgettext("errors", "User not found")}
|
|
defp metadata(:post_not_found), do: {404, dgettext("errors", "Post not found")}
|
|
defp metadata(:event_not_found), do: {404, dgettext("errors", "Event not found")}
|
|
defp metadata(:group_not_found), do: {404, dgettext("errors", "Group not found")}
|
|
defp metadata(:resource_not_found), do: {404, dgettext("errors", "Resource not found")}
|
|
defp metadata(:discussion_not_found), do: {404, dgettext("errors", "Discussion not found")}
|
|
defp metadata(:unknown), do: {500, dgettext("errors", "Something went wrong")}
|
|
|
|
defp metadata(code) do
|
|
Logger.warn("Unhandled error code: #{inspect(code)}")
|
|
{422, to_string(code)}
|
|
end
|
|
end
|