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Contents
module Hydra
module PermissionsQuery
extend ActiveSupport::Concern
def permissions_doc(pid)
doc = cache.get(pid)
unless doc
doc = get_permissions_solr_response_for_doc_id(pid)
cache.put(pid, doc)
end
doc
end
protected
# a solr query method
# retrieve a solr document, given the doc id
# Modeled on Blacklight::SolrHelper.get_permissions_solr_response_for_doc_id
# @param [String] id of the documetn to retrieve
# @param [Hash] extra_controller_params (optional)
def get_permissions_solr_response_for_doc_id(id=nil, extra_controller_params={})
raise Blacklight::Exceptions::InvalidSolrID.new("The application is trying to retrieve permissions without specifying an asset id") if id.nil?
solr_opts = permissions_solr_doc_params(id).merge(extra_controller_params)
response = ActiveFedora::SolrService.instance.conn.get('select', :params=> solr_opts)
solr_response = Blacklight::SolrResponse.new(response, solr_opts)
raise Blacklight::Exceptions::InvalidSolrID.new("The solr permissions search handler didn't return anything for id \"#{id}\"") if solr_response.docs.empty?
Hydra::PermissionsSolrDocument.new(solr_response.docs.first, solr_response)
end
#
# Solr integration
#
# returns a params hash with the permissions info for a single solr document
# If the id arg is nil, then the value is fetched from params[:id]
# This method is primary called by the get_permissions_solr_response_for_doc_id method.
# Modeled on Blacklight::SolrHelper.solr_doc_params
# @param [String] id of the documetn to retrieve
def permissions_solr_doc_params(id=nil)
id ||= params[:id]
# just to be consistent with the other solr param methods:
{
:qt => :permissions,
:id => id # this assumes the document request handler will map the 'id' param to the unique key field
}
end
end
end
Version data entries
19 entries across 19 versions & 1 rubygems