Lunching for groups.
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#!/usr/bin/env python
# -*- encoding: utf-8 -*-
from flask import jsonify
class LunchoException(Exception):
"""Generic exception."""
def __init__(self):
self.status = 500
self.message = 'Unknown error'
self.extra_fields = None
def response(self):
"""Return a JSON representation of the exception."""
json = {'status': 'ERROR',
'message': self.message}
if self.extra_fields:
json.update(self.extra_fields)
response = jsonify(json)
response.status_code = self.status
return response
class RequestMustBeJSONException(LunchoException):
"""The request is not a valid JSON.
..sourcecode:: http
HTTP/1.1 400 Bad Request
Content-Type: text/json
{ "status": "ERROR", "message": "Request MUST be in JSON format" }
"""
def __init__(self):
super(RequestMustBeJSONException, self).__init__()
self.status = 400
self.message = 'Request MUST be in JSON format'
class MissingFieldsException(LunchoException):
"""There are missing fields in the request.
..sourcecode:: http
HTTP/1.1 400 Bad Request
Content-Type: text/json
{ "status": "ERROR",
"message": "Missing fields",
"fields": [<list of missing fields>] }
"""
def __init__(self, fields):
super(MissingFieldsException, self).__init__()
self.status = 400
self.message = 'Missing fields'
self.extra_fields = {'fields': fields}
class InvalidTokenException(LunchoException):
"""The passed token is invalid.
..sourcecode:: http
HTTP/1.1 400 Bad REquest
Content-Type: text/json
{ "status": "ERROR", "message": "Invalid token" }
"""
def __init__(self):
super(InvalidTokenException, self).__init__()
self.status = 400
self.message = 'Invalid token'
class UserNotFoundException(LunchoException):
"""There is no user with the token.
..sourccode:: http
HTTP/1.1 404 Not Found
Content-Type: text/json
{ "status": "ERROR", "message": "User not found (via token)" }
"""
def __init__(self):
super(UserNotFoundException, self).__init__()
self.status = 404
self.message = 'User not found (via token)'
class ElementNotFoundException(LunchoException):
"""The requested element does not exist.
..sourcecode:: http
HTTP/1.1 404 Not Found
Content-Type: text/json
{ "status": "ERROR", "message": "{element} not found" }
**Note** {element} will change based on the type of request.
"""
def __init__(self, element_name):
super(ElementNotFoundException, self).__init__()
self.status = 404
self.message = '{element} not found'.format(element=element_name)
class AuthorizationRequiredException(LunchoException):
"""The request requires auhtorization.
..sourcecode:: http
HTTP/1.1 401 Unauthorized
Content-Type: text/json
{ "status": "ERROR": "message": "Request requires authorization" }
"""
def __init__(self):
super(AuthorizationRequiredException, self).__init__()
self.status = 401
self.message = 'Request requires authorization'