codecombat/server/commons/errors.coffee
2016-02-22 16:03:21 -08:00

141 lines
3.7 KiB
CoffeeScript

log = require 'winston'
_ = require 'lodash'
module.exports.custom = (res, code=500, message='Internal Server Error') ->
log.debug "#{code}: #{message}"
res.send code, message
res.end()
module.exports.unauthorized = (res, message='Unauthorized') ->
# TODO: The response MUST include a WWW-Authenticate header field
log.debug "401: #{message}"
res.send 401, message
res.end()
module.exports.forbidden = (res, message='Forbidden') ->
log.debug "403: #{message}"
res.send 403, message
res.end()
module.exports.paymentRequired = (res, message='Payment required') ->
log.debug "402: #{message}"
res.send 402, message
res.end()
module.exports.notFound = (res, message='Not found.') ->
res.send 404, message
res.end()
module.exports.badMethod = (res, allowed=['GET', 'POST', 'PUT', 'PATCH'], message='Method Not Allowed') ->
log.debug "405: #{message}"
allowHeader = _.reduce allowed, ((str, current) -> str += ', ' + current)
res.set 'Allow', allowHeader # TODO not sure if these are always the case
res.send 405, message
res.end()
module.exports.conflict = (res, message='Conflict. File exists') ->
log.debug "409: #{message}"
res.send 409, message
res.end()
module.exports.badInput = (res, message='Unprocessable Entity. Bad Input.') ->
log.debug "422: #{message}"
res.send 422, message
res.end()
module.exports.serverError = (res, message='Internal Server Error') ->
log.debug "500: #{message}"
res.send 500, message
res.end()
module.exports.gatewayTimeoutError = (res, message='Gateway timeout') ->
log.debug "504: #{message}"
res.send 504, message
res.end()
module.exports.clientTimeout = (res, message='The server did not receive the client response in a timely manner') ->
log.debug "408: #{message}"
res.send 408, message
res.end()
# Objects
errorResponseSchema = {
type: 'object'
required: ['errorName', 'code', 'message']
properties: {
error: {
description: 'Error object which the callback returned'
}
errorName: {
type: 'string'
description: 'Human readable error code name'
}
code: {
type: 'integer'
description: 'HTTP error code'
}
validationErrors: {
type: 'array'
description: 'TV4 array of validation error objects'
}
message: {
type: 'string'
description: 'Human readable descripton of the error'
}
property: {
type: 'string'
description: 'Property which is related to the error (conflict, validation).'
}
}
}
errorProps = _.keys(errorResponseSchema.properties)
class NetworkError
code: 0
constructor: (@message, options) ->
@stack = (new Error()).stack
_.assign(@, options)
toJSON: ->
_.pick(@, errorProps...)
module.exports.NetworkError = NetworkError
module.exports.Unauthorized = class Unauthorized extends NetworkError
code: 401
name: 'Unauthorized'
module.exports.Forbidden = class Forbidden extends NetworkError
code: 403
name: 'Forbidden'
module.exports.NotFound = class NotFound extends NetworkError
code: 404
name: 'Not Found'
module.exports.MethodNotAllowed = class MethodNotAllowed extends NetworkError
code: 405
name: 'Method Not Allowed'
module.exports.RequestTimeout = class RequestTimeout extends NetworkError
code: 407
name: 'Request Timeout'
module.exports.Conflict = class Conflict extends NetworkError
code: 409
name: 'Conflict'
module.exports.UnprocessableEntity = class UnprocessableEntity extends NetworkError
code: 422
name: 'Unprocessable Entity'
module.exports.InternalServerError = class InternalServerError extends NetworkError
code: 500
name: 'Internal Server Error'
module.exports.GatewayTimeout = class GatewayTimeout extends NetworkError
code: 504
name: 'Gateway Timeout'