f555ffd585
- Rename escape_json_dumps to dump_js_escaped_json - Rename escape_js_string to js_escaped_string - Update js_escaped_string to output empty string for None - Introduce dump_html_escaped_json - Move dump_js_escaped_json after the pipe as new best practice - Introduce additional uses of helpers - Introduce new djangolib directory and move js_utils
48 lines
1.6 KiB
Python
48 lines
1.6 KiB
Python
# pylint: disable=missing-docstring,unused-argument
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from django.http import (HttpResponse, HttpResponseServerError,
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HttpResponseNotFound)
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from edxmako.shortcuts import render_to_string, render_to_response
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import functools
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from openedx.core.djangolib.js_utils import dump_js_escaped_json
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__all__ = ['not_found', 'server_error', 'render_404', 'render_500']
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def jsonable_error(status=500, message="The Studio servers encountered an error"):
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"""
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A decorator to make an error view return an JSON-formatted message if
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it was requested via AJAX.
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"""
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def outer(func):
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@functools.wraps(func)
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def inner(request, *args, **kwargs):
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if request.is_ajax():
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content = dump_js_escaped_json({"error": message})
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return HttpResponse(content, content_type="application/json",
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status=status)
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else:
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return func(request, *args, **kwargs)
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return inner
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return outer
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@jsonable_error(404, "Resource not found")
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def not_found(request):
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return render_to_response('error.html', {'error': '404'})
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@jsonable_error(500, "The Studio servers encountered an error")
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def server_error(request):
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return render_to_response('error.html', {'error': '500'})
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@jsonable_error(404, "Resource not found")
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def render_404(request):
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return HttpResponseNotFound(render_to_string('404.html', {}))
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@jsonable_error(500, "The Studio servers encountered an error")
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def render_500(request):
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return HttpResponseServerError(render_to_string('500.html', {}))
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