Class: Leadlight::LinkTemplate

Inherits:
Link
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/leadlight/link_template.rb

Constant Summary

Constants inherited from Link

Leadlight::Link::HTTP_METHODS, Leadlight::Link::HTTP_METHODS_WITHOUT_BODY, Leadlight::Link::HTTP_METHODS_WITH_BODY

Constants included from Leadlight

VERSION

Instance Attribute Summary

Attributes inherited from Link

#aliases, #expansion_params, #href, #options, #rel, #rev, #service, #title

Instance Method Summary collapse

Methods inherited from Link

#[], #follow, #initialize, #params, #to_s

Methods included from Leadlight

ParamHash, build_connection_common, build_service, common_connection_stack

Constructor Details

This class inherits a constructor from Leadlight::Link

Instance Method Details

#expand(*args) ⇒ Object 



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# File 'lib/leadlight/link_template.rb', line 22

def expand(*args)
  return self if args.empty?
  mapping = args.last.is_a?(Hash) ? args.pop : {}
  mapping = mapping.inject({}) { |result, (k,v)| result.merge!(k.to_s => v) }
  mapping = href_template.variables.inject(mapping) do |mapping, var|
    mapping.merge!(var => args.shift) unless args.empty?
    mapping
  end
  full_mapping = mapping.dup
  extra_keys = (mapping.keys.map(&:to_s) - href_template.variables)
  extra_params = extra_keys.inject({}) do |params, key|
    params[key] = mapping.delete(key)
    params
  end
  assert_all_variables_mapped(href_template, mapping)
  uri          = href_template.expand(mapping)
  expanded_uri = expand_uri_with_params(uri, extra_params)
  Link.new(service, expanded_uri, rel, title,
           rev: rev, aliases: aliases, expansion_params: full_mapping)
end

#href_template ⇒ Object 



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# File 'lib/leadlight/link_template.rb', line 11

def href_template
  @href_template ||= Addressable::Template.new(href.to_s)
end