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get.py
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get.py
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""" RestAPI GET enpoints
"""
from zope.publisher.interfaces import IPublishTraverse
from zope.interface import implementer
from zope.interface import Interface
from zope.component import adapter, queryAdapter
from plone.restapi.services import Service
from plone.restapi.serializer.converters import json_compatible
from plone.restapi.interfaces import IExpandableElement
from eea.app.visualization.interfaces import IDataProvenance
from eea.app.visualization.interfaces import IMultiDataProvenance
from eea.app.visualization.interfaces import IVisualizationEnabled
from Products.CMFPlone.interfaces import IPloneSiteRoot
@implementer(IExpandableElement)
@adapter(IVisualizationEnabled, Interface)
class DataProvenance(object):
""" Get data provenances
"""
def __init__(self, context, request):
self.context = context
self.request = request
def __call__(self, expand=False):
result = {"provenances": {
"@id": "{}/@provenances".format(self.context.absolute_url()),
}}
if not expand:
return result
if IPloneSiteRoot.providedBy(self.context):
return result
result['provenances']['items'] = []
# Get IMultiDataProvenance
multi = queryAdapter(self.context, IMultiDataProvenance)
if multi:
provenances = json_compatible(multi.provenances)
result['provenances']['items'].extend(provenances)
source = queryAdapter(self.context, IDataProvenance)
if (getattr(source, 'link', None) and
getattr(source, 'title', None) and
getattr(source, 'owner', None)):
provenance = {
"title": json_compatible(source.title),
"owner": json_compatible(source.owner),
"link": json_compatible(source.link)
}
if getattr(source, "copyrights", None):
provenance['copyrights'] = json_compatible(source.copyrights)
result['provenances']['items'].append(provenance)
return result
@implementer(IPublishTraverse)
class Get(Service):
"""GET"""
def reply(self):
"""Reply"""
info = DataProvenance(self.context, self.request)
return info(expand=True)["provenances"]