28 lines
935 B
Python
28 lines
935 B
Python
import json
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import logging
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from six import text_type
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from django_comment_client.utils import JsonError
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from lms.lib.comment_client import CommentClientRequestError
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log = logging.getLogger(__name__)
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class AjaxExceptionMiddleware(object):
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"""
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Middleware that captures CommentClientRequestErrors during ajax requests
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and tranforms them into json responses
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"""
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def process_exception(self, request, exception):
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"""
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Processes CommentClientRequestErrors in ajax requests. If the request is an ajax request,
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returns a http response that encodes the error as json
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"""
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if isinstance(exception, CommentClientRequestError) and request.is_ajax():
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try:
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return JsonError(json.loads(text_type(exception)), exception.status_code)
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except ValueError:
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return JsonError(text_type(exception), exception.status_code)
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return None
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