Module: Cul::Hydra::RisearchMembers::ClassMethods

Included in:
Cul::Hydra::RisearchMembers
Defined in:
lib/cul_hydra/risearch_members.rb

Instance Method Summary collapse

Instance Method Details

#get_all_pids_for_identifier(identifier) ⇒ Object

Returns the pids of ALL objects found with the given identifier



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# File 'lib/cul_hydra/risearch_members.rb', line 178

def get_all_pids_for_identifier(identifier)

  find_by_identifier_query = "select $pid from <#ri>
  where $pid <http://purl.org/dc/elements/1.1/identifier> $identifier
  and $identifier <mulgara:is> '#{identifier}'"

  search_response = JSON(Cul::Hydra::Fedora.repository.find_by_itql(find_by_identifier_query, {
    :type => 'tuples',
    :format => 'json',
    :limit => '',
    :stream => 'on'
  }))

  pids_to_return = []

  if search_response['results'].present?
    search_response['results'].each do |result|
      pids_to_return << result['pid'].gsub('info:fedora/', '')
    end
  end

  return pids_to_return
end

#get_direct_member_count(pid, flush_resource_index_before_query = false, verbose_output = false) ⇒ Object 



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# File 'lib/cul_hydra/risearch_members.rb', line 57

def get_direct_member_count(pid, flush_resource_index_before_query=false, verbose_output=false)
  count = get_direct_member_results(pid,flush_resource_index_before_query,verbose_output,'count/json')
  return count.blank? ? 0 : count[0]['count'].to_i
end

#get_direct_member_pids(pid, flush_resource_index_before_query = false, verbose_output = false) ⇒ Object 



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# File 'lib/cul_hydra/risearch_members.rb', line 52

def get_direct_member_pids(pid, flush_resource_index_before_query=false, verbose_output=false)
  unique_pids = get_direct_member_results(pid,flush_resource_index_before_query,verbose_output,'json')
  unique_pids.map{|result| result['pid'].gsub('info:fedora/', '') }.uniq
end

#get_direct_member_results(pid, flush_resource_index_before_query = false, verbose_output = false, format = 'json') ⇒ Object 



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# File 'lib/cul_hydra/risearch_members.rb', line 32

def get_direct_member_results(pid, flush_resource_index_before_query=false, verbose_output=false, format='json')

  direct_member_query =
    'select $pid from <#ri>
    where $pid <http://purl.oclc.org/NET/CUL/memberOf> <fedora:' + pid + '>'

  puts 'Performing query:' if verbose_output
  puts direct_member_query if verbose_output

  search_response = JSON(Cul::Hydra::Fedora.repository.find_by_itql(direct_member_query, {
    :type => 'tuples',
    :format => format,
    :limit => '',
    :stream => 'on',
    :flush => flush_resource_index_before_query.to_s
  }))

  return search_response['results']
end

#get_direct_members_with_datastream_pids(pid, dsid, flush_resource_index_before_query = false, verbose_output = false) ⇒ Object 



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# File 'lib/cul_hydra/risearch_members.rb', line 89

def get_direct_members_with_datastream_pids(pid, dsid, flush_resource_index_before_query=false, verbose_output=false)
  unique_pids = get_direct_members_with_datastream_results(pid, dsid, flush_resource_index_before_query, verbose_output, 'json')
  unique_pids.map{|result| result['pid'].gsub('info:fedora/', '') }.uniq
end

#get_direct_members_with_datastream_results(pid, dsid, flush_resource_index_before_query = false, verbose_output = false, format = 'json') ⇒ Object 



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# File 'lib/cul_hydra/risearch_members.rb', line 62

def get_direct_members_with_datastream_results(pid, dsid, flush_resource_index_before_query=false, verbose_output=false, format='json')
  # Note: The query we're using below is a faster version of this query:
  #   "select $pid from <#ri>
  #   where $pid <http://purl.oclc.org/NET/CUL/memberOf> <fedora:#{pid}>
  #   and $pid <fedora-view:disseminates> $ds
  #   and $ds <fedora-view:disseminationType> <info:fedora/*/#{dsid}>"

  direct_members_with_ds_query = "select $pid
    count( select $ds from <#ri> where  $pid <fedora-view:disseminates> $ds and $ds <fedora-view:disseminationType> <info:fedora/*/#{dsid}>)
    from <#ri>
    where $pid <http://purl.oclc.org/NET/CUL/memberOf> <info:fedora/#{pid}>
    having $k0 <http://mulgara.org/mulgara#occursMoreThan> '0.0'^^<http://www.w3.org/2001/XMLSchema#double>;"

    puts 'Performing query:' if verbose_output
    puts direct_members_with_ds_query if verbose_output

    search_response = JSON.parse(Cul::Hydra::Fedora.repository.find_by_itql(direct_members_with_ds_query, {
      :type => 'tuples',
      :format => format,
      :limit => '',
      :stream => 'on',
      :flush => flush_resource_index_before_query.to_s
    }))

    return search_response['results']
end

#get_pid_for_identifier(identifier, flush_resource_index_before_query = false) ⇒ Object

Returns the pid of the first object found with the given identifier



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# File 'lib/cul_hydra/risearch_members.rb', line 157

def get_pid_for_identifier(identifier, flush_resource_index_before_query=false)
  find_by_identifier_query = "select $pid from <#ri>
  where $pid <http://purl.org/dc/elements/1.1/identifier> $identifier
  and $identifier <mulgara:is> '#{identifier}'"

  search_response = JSON(Cul::Hydra::Fedora.repository.find_by_itql(find_by_identifier_query, {
    :type => 'tuples',
    :format => 'json',
    :limit => '1',
    :stream => 'on',
    :flush => flush_resource_index_before_query.to_s
  }))

  if search_response['results'].present?
    return search_response['results'].first['pid'].gsub('info:fedora/', '')
  else
    return nil
  end
end

#get_project_constituent_count(pid, verbose_output = false) ⇒ Object 



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# File 'lib/cul_hydra/risearch_members.rb', line 120

def get_project_constituent_count(pid, verbose_output=false)
  count = get_project_constituent_results(pid,verbose_output,'count/json')
  return count.blank? ? 0 : count[0]['count'].to_i
end

#get_project_constituent_pids(pid, verbose_output = false) ⇒ Object 



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# File 'lib/cul_hydra/risearch_members.rb', line 115

def get_project_constituent_pids(pid, verbose_output=false)
  unique_pids = get_project_constituent_results(pid,verbose_output,'json')
  unique_pids.map{|result| result['pid'].gsub('info:fedora/', '') }.uniq
end

#get_project_constituent_results(pid, verbose_output = false, format = 'json') ⇒ Object

Project constituents



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# File 'lib/cul_hydra/risearch_members.rb', line 96

def get_project_constituent_results(pid, verbose_output=false, format='json')

  project_constituent_query =
    'select $pid from <#ri>
    where $pid <info:fedora/fedora-system:def/relations-external#isConstituentOf> <fedora:' + pid + '>'

  puts 'Performing query:' if verbose_output
  puts project_constituent_query if verbose_output

  search_response = JSON(Cul::Hydra::Fedora.repository.find_by_itql(project_constituent_query, {
    :type => 'tuples',
    :format => format,
    :limit => '',
    :stream => 'on'
  }))

  return search_response['results']
end

#get_publish_target_member_count(pid, verbose_output = false) ⇒ Object 



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# File 'lib/cul_hydra/risearch_members.rb', line 151

def get_publish_target_member_count(pid, verbose_output=false)
  count = get_publish_target_member_results(pid,verbose_output,'count/json')
  return count.blank? ? 0 : count[0]['count'].to_i
end

#get_publish_target_member_pids(pid, verbose_output = false) ⇒ Object 



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# File 'lib/cul_hydra/risearch_members.rb', line 146

def get_publish_target_member_pids(pid, verbose_output=false)
  unique_pids = get_publish_target_member_results(pid,verbose_output,'json')
  unique_pids.map{|result| result['pid'].gsub('info:fedora/', '') }.uniq
end

#get_publish_target_member_results(pid, verbose_output = false, format = 'json') ⇒ Object

Publish target members



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# File 'lib/cul_hydra/risearch_members.rb', line 127

def get_publish_target_member_results(pid, verbose_output=false, format='json')

  project_constituent_query =
    'select $pid from <#ri>
    where $pid <http://purl.org/dc/terms/publisher> <fedora:' + pid + '>'

  puts 'Performing query:' if verbose_output
  puts project_constituent_query if verbose_output

  search_response = JSON(Cul::Hydra::Fedora.repository.find_by_itql(project_constituent_query, {
    :type => 'tuples',
    :format => format,
    :limit => '',
    :stream => 'on'
  }))

  return search_response['results']
end

#get_recursive_member_pids(pid, verbose_output = false, cmodel_type = 'all') ⇒ Object 



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# File 'lib/cul_hydra/risearch_members.rb', line 4

def get_recursive_member_pids(pid, verbose_output=false, cmodel_type='all')

  recursive_member_query =
    'select $child $parent from <#ri>
    where
    walk($child <http://purl.oclc.org/NET/CUL/memberOf> <fedora:' + pid + '> and $child <http://purl.oclc.org/NET/CUL/memberOf> $parent)'

  unless cmodel_type == 'all'
    recursive_member_query += ' and $child <fedora-model:hasModel> $cmodel'
    recursive_member_query += ' and $cmodel <mulgara:is> <info:fedora/ldpd:' + cmodel_type + '>'
  end

  puts 'Performing query:' if verbose_output
  puts recursive_member_query if verbose_output

  search_response = JSON(Cul::Hydra::Fedora.repository.find_by_itql(recursive_member_query, {
    :type => 'tuples',
    :format => 'json',
    :limit => '',
    :stream => 'on'
  }))

  unique_pids = search_response['results'].map{|result| result['child'].gsub('info:fedora/', '') }.uniq

  return unique_pids

end