Description

Currently we support sending POST requests to /collections/{collectionId}/items with a CQL JSON payload to filter results. With the addition of OGC API Features Part 4 - Transaction support on #781 the POST /collections/{collectionId}/items is now overloaded with create.

The discussion about this is taking place in OGC API Features SWG with no clear resolution yet: https://github.com/opengeospatial/ogcapi-features/issues/449 https://github.com/opengeospatial/ogcapi-features/issues/771

Options are:

• Use Content-Type of the POST request to determine if the payload is application/cql2+json, application/json, application/geo+json or application/xml
• Use a POST /collections/{collectionId}/search to send CQL JSON requests
• Wait for the new HTTP verb QUERY /collections/{collectionId}/items to be adopted.

Environment

• operating system: GNU/Linux
• Python version: 3.9
• pycsw version: master
• source/distribution
  • [x] git clone
  • [ ] DebianGIS/UbuntuGIS
  • [ ] PyPI
  • [ ] zip/tar.gz
  • [ ] other (please specify):
• web server
  • [ ] Apache/mod_wsgi
  • [ ] CGI
  • [x] other (please specify): nginx

Steps to Reproduce

from owslib.ogcapi.records import Records
base_domain = "demo.eoepca.org"
system_catalogue_endpoint = f'https://resource-catalogue/.{base_domain}'
w = Records(system_catalogue_endpoint)
my_catalogue_cql_json_query = w.collection_items('metadata:main', limit=1, cql={'op': '=', 'args': [{ 'property': 'title' }, 'S2B_MSIL1C_20190912T084559_N0208_R107_T36UUA_20190912T113801.SAFE']})

with result:

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/home/kalxas/code/git/owslib/owslib/ogcapi/features.py", line 75, in collection_items
    return self._request(method='POST', path=path, data=cql, kwargs=kwargs2)
  File "/home/kalxas/code/git/owslib/owslib/ogcapi/__init__.py", line 187, in _request
    raise RuntimeError(response.text)
RuntimeError: {"code": "InvalidParameterValue", "description": "transactions not allowed"}