passwd0/helpers.moon

import json_params, capture_errors, yield_error, respond_to from require "lapis.application"
import insert from table
import max from math

api = (fn) =>
  json_params capture_errors {
    =>
      result = fn(@)
      return json: result
    on_error: =>
      status = 400 -- most likely a bad request
      errors = {}
      for err in *@errors
        if "table" == type err
          status = max status, err[1] -- the worst error will have a higher status number
          insert errors, err[2]
        else
          insert errors, err
      return(:status, json: { success: false, :errors })
  }

abort = (status, message) ->
  if message
    yield_error {status, message}
  else
    yield_error status

assert_model = (result, err) ->
  abort 500, err if err
  return result

{
  :api
  :abort
  :assert_model
}