Module: Parliament::Utils::Helpers::FilterHelper

Defined in:
lib/parliament/utils/helpers/filter_helper.rb

Class Method Summary collapse

Class Method Details

.filter(request, *types) ⇒ Parliament::Response::NTripleResponse

Takes a request object and a variable amount of types for filtering, gets types_to_filter using #filter_types method, and calls RequestHelper.filter_response_data to return filtered NTriple Object

Parameters:

  • request (Parliament::Request) —

    a Parliament::Request object

  • *types (String) —

    a variable amount of types to filter by

Returns:

  • (Parliament::Response::NTripleResponse) —

    Ntriple response filtered by types



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# File 'lib/parliament/utils/helpers/filter_helper.rb', line 12

def self.filter(request, *types)
  types_to_filter = filter_types(*types)
  Parliament::Utils::Helpers::RequestHelper.filter_response_data(
    request, *types_to_filter
  )
end

.filter_sort(request, sort_type, type, letters) ⇒ Parliament::Response::NTripleResponse

Takes a request, sort type, type to sort and letters to sort by. Calls the #filter method to define type and letters Sorts type by sort type Maps letters using #value Returns type and letters

Parameters:

  • request (Parliament::Request) —

    a Parliament::Request object

  • sort_type (Symbol) —

    how to sort type

  • type (String) —

    the type to filter

  • letters (Grom::Node) —

    Grom::Node to filter type by letters

Returns:

  • (Parliament::Response::NTripleResponse) —

    Ntriple response filtered by letters



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# File 'lib/parliament/utils/helpers/filter_helper.rb', line 48

def self.filter_sort(request, sort_type, type, letters)
  type, letters = filter(request, type, letters)
  type = type.sort_by(sort_type)
  letters = letters.map(&:value)
  [type, letters]
end

.filter_types(*types) ⇒ Array

Takes variable amount of types for filtering, checks if type is ‘ordnance’, and returns array of types to filter

Parameters:

  • *types (String) —

    a variable amount of types to filter by

Returns:

  • (Array) —

    array of types to filter by



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# File 'lib/parliament/utils/helpers/filter_helper.rb', line 24

def self.filter_types(*types)
  types_to_filter = []

  types.each do |type|
    if type == ::Grom::Node::BLANK
      types_to_filter << ::Grom::Node::BLANK
    else
      type == 'ordnance' ? types_to_filter << 'http://data.ordnancesurvey.co.uk/ontology/admingeo/EuropeanRegion' : types_to_filter << Parliament::Utils::Helpers::RequestHelper.namespace_uri_schema_path(type)
    end
  end
  types_to_filter
end