def authenticate_user(user, data):
if user:
token, _ = Token.objects.get_or_create(user=user)
user_serializer = UserProfileSerializer(user, data=data)
if user_serializer.is_valid():
user_serializer_dict = user_serializer.data
user_serializer_dict.update(TokenSerializer(token).data)
user_serializer_dict.update(messages.LOGIN_SUCCESSFUL)
return user_serializer_dict
else:
raise ValidationException(user_serializer.errors,
status.HTTP_400_BAD_REQUEST)
else:
raise ValidationException(messages.INVALID_EMAIL_OR_PASSWORD,
status.HTTP_401_UNAUTHORIZED)
def change_password(current_password, new_password, user):
if user.check_password(current_password):
if current_password != new_password:
user.set_password(new_password)
user.is_password_changed = True
user.save()
resp = {'user_id': user.id}
resp.update(messages.PASSWORD_CHANGED)
return resp
else:
raise ValidationException(messages.SAME_PASSWORD,
status.HTTP_406_NOT_ACCEPTABLE)
else:
raise ValidationException(messages.CURRENT_PASSWORD_INCORRECT,
status.HTTP_401_UNAUTHORIZED)
def update_user(data, user):
user_serializer = UserProfileSerializer(data=data, instance=user)
if user_serializer.is_valid():
user_serializer.save()
return user_serializer.data
else:
raise ValidationException(user_serializer.errors,
status.HTTP_400_BAD_REQUEST)
def fetch_token(user):
try:
# Get the goal for the specified user and return key
token = Token.objects.get(user_id=user.id)
return token.key
except Token.DoesNotExist:
raise ValidationException(messages.TOKEN_NOT_FOUND,
status.HTTP_404_NOT_FOUND)
def create_image(data):
image_serializer = ImageSerializer(data=data)
if image_serializer.is_valid():
image_serializer.save()
return image_serializer.data
else:
raise ValidationException(image_serializer.errors,
status.HTTP_400_BAD_REQUEST)
def authenticate_user(user, data):
if user:
token = fetch_token(user)
user_serializer = UserProfileSerializer(user, data=data)
if user_serializer.is_valid():
keys = ['id', 'email']
user_serializer_dict = {
k: v
for k, v in user_serializer.data.iteritems() if k in keys
}
user_serializer_dict['token'] = token
user_serializer_dict.update(messages.LOGIN_SUCCESSFUL)
return user_serializer_dict
else:
raise ValidationException(user_serializer.errors,
status.HTTP_400_BAD_REQUEST)
else:
raise ValidationException(messages.INVALID_EMAIL_OR_PASSWORD,
status.HTTP_401_UNAUTHORIZED)
def validate_available_courses(data):
try:
available_courses = []
course_list = data['courses']
for course in course_list:
try:
available_courses.append(Course.objects.get(name=course))
except Course.DoesNotExist:
pass
return available_courses
except KeyError:
raise ValidationException(messages.REQUIRED_COURSE,
status=status.HTTP_400_BAD_REQUEST)
def create_user(data):
user_serializer = StudentRegistrationSerializer(data=data)
if user_serializer.is_valid():
user = user_serializer.save()
token = Token.objects.create(user=user)
keys = [
'id', 'first_name', 'last_name', 'email', 'contact_no', 'created'
] # data that we want to return as JSON response
user_response = {
k: v
for k, v in user_serializer.data.iteritems() if k in keys
}
user_response['token'] = token.key
return user_response
else:
raise ValidationException(user_serializer.errors,
status.HTTP_400_BAD_REQUEST)