46 lines
1.6 KiB
Python
46 lines
1.6 KiB
Python
import ckan.plugins.toolkit as tk
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import re
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from urlparse import urlparse
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from ckan.common import request
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class FiWareNotificationParser(object):
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def parse_notification(self, request_data):
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my_host = request.host
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fields = ['resources', 'customer_name']
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for field in fields:
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if not field in request_data:
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raise tk.ValidationError({'message': '%s not found in the request' % field})
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# Parse the body
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resources = request_data['resources']
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user_name = request_data['customer_name']
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datasets = []
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if not isinstance(resources, list):
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raise tk.ValidationError({'message': 'Invalid resources format'})
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if not isinstance(user_name, basestring):
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raise tk.ValidationError({'message': 'Invalid customer_name format'})
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for resource in resources:
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if isinstance(resource, dict) and 'url' in resource:
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parsed_url = urlparse(resource['url'])
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dataset_name = re.findall('^/dataset/([^/]+).*$', parsed_url.path)
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if len(dataset_name) == 1:
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if parsed_url.netloc == my_host:
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datasets.append(dataset_name[0])
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else:
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raise tk.ValidationError({'message': 'Dataset %s is associated with the CKAN instance located at %s'
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% (dataset_name[0], parsed_url.netloc)})
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else:
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raise tk.ValidationError({'message': 'Invalid resource format'})
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return {'users_datasets': [{'user': user_name, 'datasets': datasets}]}
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