# Path: core/exceptions.py
# class MethodUnsupported(Exception):
#     """Exception thrown when an HTTP request method isn't supported by the REST
#        API"""
#     pass
# 
# class NonAjaxRequest(Exception):
#     """Exception thrown when an API call is made that is not an AJAX request
#        and we don't want to allow this kind of (potentially) cross-site 
#        call
#     
#     """
#     pass
# 
# Path: users/exceptions.py
# class BadUsernameOrPassword(Exception):
#    def __init__(self, msg='Bad username or password.'):
#        self.msg = msg 
# 
#    def __str__(self):
#        return self.msg
# 
# class UserAccountDisabled(Exception):
#    def __init__(self, msg='User account has been disabled.'):
#        self.msg = msg 
# 
#    def __str__(self):
#        return self.msg
# 
# class UserUsernameExists(Exception):
#    def __init__(self, msg='The username is taken, please try another'):
#        self.msg = msg 
# 
#    def __str__(self):
#        return self.msg
# 
# class UserEmailExists(Exception):
#    def __init__(self, msg='This email already exists, please try another'):
#        self.msg = msg 
# 
#    def __str__(self):
#        return self.msg
# 
# class NoFacebookUser(Exception):
#     def __init__(self, msg='No Facebook user detected.'):
#         self.msg = msg
#     
#     def __str__(self):
#         return self.msg


import json
import core.utils
from django.http import HttpResponseRedirect, HttpResponse
from django.shortcuts import render_to_response
from django.conf import settings
from django.template import RequestContext
from django.contrib.auth import authenticate, login, logout
from fbapi import facebook 
from core.exceptions import MethodUnsupported, NonAjaxRequest
from users.exceptions import BadUsernameOrPassword, UserAccountDisabled, \
                             UserUsernameExists, UserEmailExists, \
                             NoFacebookUser
from models import UserProfile
from models import User
from models import ActivationKeyValue
from forms import LoginForm, RegisterForm, InviteForm, ActivateUnactivatedForm
from registration.models import RegistrationProfile
                        if user.is_active:
                            login(request, user)

                            # Success!
                            data['username'] = username
                        else:
                            raise UserAccountDisabled
                    else:
                        raise BadUsernameOrPassword

                else:
                    # Form didn't validate

                    # HACK ALERT: Incorrect usernames/passwords are 
                    # are checked in the validation code of user.forms.LoginForm
                    # We'll detect this and try to return a more reasonable 
                    # error message.
                    if '__all__' in form.errors.keys():
                        if form.errors['__all__'] == \
                            [form.WRONG_USERNAME_OR_PASSWORD_MSG]:
                            raise BadUsernameOrPassword( \
                                form.WRONG_USERNAME_OR_PASSWORD_MSG) 
        
                    status = 400 # Bad Request
                    data['error'] = "Some required fields are missing"
                    data['field_errors'] = form.errors
                    data['error_html'] = core.utils.build_readable_errors(form.errors)

            else:
                # Method not POST

# Path: core/exceptions.py
# class MethodUnsupported(Exception):
#     """Exception thrown when an HTTP request method isn't supported by the REST
#        API"""
#     pass
# 
# class NonAjaxRequest(Exception):
#     """Exception thrown when an API call is made that is not an AJAX request
#        and we don't want to allow this kind of (potentially) cross-site 
#        call
#     
#     """
#     pass
# 
# Path: users/exceptions.py
# class BadUsernameOrPassword(Exception):
#    def __init__(self, msg='Bad username or password.'):
#        self.msg = msg 
# 
#    def __str__(self):
#        return self.msg
# 
# class UserAccountDisabled(Exception):
#    def __init__(self, msg='User account has been disabled.'):
#        self.msg = msg 
# 
#    def __str__(self):
#        return self.msg
# 
# class UserUsernameExists(Exception):
#    def __init__(self, msg='The username is taken, please try another'):
#        self.msg = msg 
# 
#    def __str__(self):
#        return self.msg
# 
# class UserEmailExists(Exception):
#    def __init__(self, msg='This email already exists, please try another'):
#        self.msg = msg 
# 
#    def __str__(self):
#        return self.msg
# 
# class NoFacebookUser(Exception):
#     def __init__(self, msg='No Facebook user detected.'):
#         self.msg = msg
#     
#     def __str__(self):
#         return self.msg


# Path: users/views.py
import json
import core.utils
from django.http import HttpResponseRedirect, HttpResponse
from django.shortcuts import render_to_response
from django.conf import settings
from django.template import RequestContext
from django.contrib.auth import authenticate, login, logout
from fbapi import facebook 
from core.exceptions import MethodUnsupported, NonAjaxRequest
from users.exceptions import BadUsernameOrPassword, UserAccountDisabled, \
                             UserUsernameExists, UserEmailExists, \
                             NoFacebookUser
from models import UserProfile
from models import User
from models import ActivationKeyValue
from forms import LoginForm, RegisterForm, InviteForm, ActivateUnactivatedForm
from registration.models import RegistrationProfile

                        if user.is_active:
                            login(request, user)

                            # Success!
                            data['username'] = username
                        else:
                            raise UserAccountDisabled
                    else:
                        raise BadUsernameOrPassword

                else:
                    # Form didn't validate

                    # HACK ALERT: Incorrect usernames/passwords are 
                    # are checked in the validation code of user.forms.LoginForm
                    # We'll detect this and try to return a more reasonable 
                    # error message.
                    if '__all__' in form.errors.keys():
                        if form.errors['__all__'] == \
                            [form.WRONG_USERNAME_OR_PASSWORD_MSG]:
                            raise BadUsernameOrPassword( \
                                form.WRONG_USERNAME_OR_PASSWORD_MSG) 
        
                    status = 400 # Bad Request
                    data['error'] = "Some required fields are missing"
                    data['field_errors'] = form.errors
                    data['error_html'] = core.utils.build_readable_errors(form.errors)

            else:
                # Method not POST

                raise MethodUnsupported("This endpoint only accepts POSTs.")