Class: FHIR::Definitions

Inherits:
Object
  • Object
show all
Defined in:
lib/fhir_models/bootstrap/definitions.rb

Constant Summary collapse

@@defns = 
File.expand_path '../definitions', File.dirname(File.absolute_path(__FILE__))
@@types = 
nil
@@resources = 
nil
@@profiles = 
nil
@@extensions = 
nil
@@expansions = 
nil
@@valuesets = 
nil
@@search_params = 
nil

Class Method Summary collapse

Class Method Details

.get_basetype(uri) ⇒ Object

Get the basetype (String) for a given profile or extension.



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# File 'lib/fhir_models/bootstrap/definitions.rb', line 101

def self.get_basetype(uri)
  return nil if uri.nil?
  load_profiles
  load_extensions

  defn = @@profiles.select{|x|x['url']==uri}.first
  defn = @@extensions.select{|x|x['url']==uri}.first if defn.nil?

  basetype = nil
  basetype = defn['baseType'] if !defn.nil?
  basetype
end

.get_codes(uri) ⇒ Object

Get codes (Array of Strings) for a given expansion.



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# File 'lib/fhir_models/bootstrap/definitions.rb', line 191

def self.get_codes(uri)
  return nil if uri.nil?
  load_expansions
  codes = nil
  valueset = @@expansions.select{|x|x['url']==uri}.first
  if !valueset.nil?
    codes = {}
    if !valueset['expansion'].nil? && !valueset['expansion']['contains'].nil?
      keys = valueset['expansion']['contains'].map{|x|x['system']}.uniq
      keys.each{|x| codes[x]=[]}
      valueset['expansion']['contains'].each{|x| codes[x['system']] << x['code']}
    end
    if !valueset['compose'].nil? && !valueset['compose']['include'].nil?
      included_systems = valueset['compose']['include'].map{|x|x['system']}.uniq
      included_systems.each{|x| codes[x]=[] if !codes.keys.include?(x) }
      systems = @@valuesets.select{|x|x['resourceType']=='CodeSystem' && included_systems.include?(x['url'])}
      systems.each do |x|
        x['concept'].each{|y| codes[x['url']] << y['code']}
      end
    end
  end
  codes
end

.get_complex_types ⇒ Object 



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# File 'lib/fhir_models/bootstrap/definitions.rb', line 33

def self.get_complex_types
  load_types
  # complex data types start with an uppercase letter
  # and we'll filter out profiles on types (for example, Age is a profile on Quantity)
  @@types.select{|t| (t['id'][0]==t['id'][0].upcase) && (t['id']==t['snapshot']['element'].first['path'])}
end

.get_extension_definition(extension_name) ⇒ Object 



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# File 'lib/fhir_models/bootstrap/definitions.rb', line 92

def self.get_extension_definition(extension_name)
  return nil if extension_name.nil?
  load_extensions
  d = @@extensions.find{|x|x['xmlId']==extension_name || x['name']==extension_name || x['url']==extension_name}
  d = FHIR::StructureDefinition.new(d) if !d.nil?
  d
end

.get_primitive_types ⇒ Object 



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# File 'lib/fhir_models/bootstrap/definitions.rb', line 27

def self.get_primitive_types
  load_types
  # primitive data types start with a lowercase letter
  @@types.select{|t|t['id'][0]==t['id'][0].downcase}
end

.get_profile(uri) ⇒ Object

Get the StructureDefinition for a given profile.



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# File 'lib/fhir_models/bootstrap/definitions.rb', line 115

def self.get_profile(uri)
  return nil if uri.nil?
  load_profiles
  load_extensions

  defn = @@profiles.select{|x|x['url']==uri}.first
  defn = @@extensions.select{|x|x['url']==uri}.first if defn.nil?

  profile = nil
  profile = FHIR::StructureDefinition.new(defn) if !defn.nil?
  profile
end

.get_profile_class(uri) ⇒ Object

Get a dynamically generated class for a given profile.



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# File 'lib/fhir_models/bootstrap/definitions.rb', line 135

def self.get_profile_class(uri)
  return nil if uri.nil?
  load_profiles
  load_extensions

  defn = @@profiles.select{|x|x['url']==uri}.first
  defn = @@extensions.select{|x|x['url']==uri}.first if defn.nil?

  klass = nil
  if !defn.nil?
    generator = FHIR::Boot::Generator.new(false)
    type = defn['baseType']
    id = defn['id'].gsub(/-|_/, '').capitalize
    defn['id'] = type # override profile id with baseType name for generator
    template = generator.generate_class([ type ], defn)
    f = Tempfile.new(["profile-#{id}", '.rb'])
    f.write("module FHIR\n")
    f.write("module Profile\n")
    f.write("module #{id}\n")
    f.write(template.to_s)
    3.times{f.write("\nend")}
    f.close
    begin
      # load the profiled class
      load f
      # set the return class type
      klass = Object.const_get("FHIR::Profile::#{id}::#{type}")
    rescue
      FHIR.logger.error "Failed to generate class for profile #{uri}"
    end
    # unlink the file so it can be garbage collected
    f.unlink
  end
  klass
end

.get_profiles_for_resource(resource_name) ⇒ Object 



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# File 'lib/fhir_models/bootstrap/definitions.rb', line 128

def self.get_profiles_for_resource(resource_name)
  return nil if resource_name.nil?
  load_profiles
  @@profiles.select{|x|x['baseType']==resource_name}.map{|x| FHIR::StructureDefinition.new(x) }
end

.get_resource_definition(resource_name) ⇒ Object 



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# File 'lib/fhir_models/bootstrap/definitions.rb', line 66

def self.get_resource_definition(resource_name)
  return nil if resource_name.nil?
  load_resources
  d = @@resources.find{|x|x['xmlId']==resource_name || x['name']==resource_name || x['url']==resource_name}
  d = FHIR::StructureDefinition.new(d) if !d.nil?
  d
end

.get_resource_definitions ⇒ Object 



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# File 'lib/fhir_models/bootstrap/definitions.rb', line 61

def self.get_resource_definitions
  load_resources
  @@resources
end

.get_search_parameters(type_name) ⇒ Object 



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# File 'lib/fhir_models/bootstrap/definitions.rb', line 228

def self.get_search_parameters(type_name)
  return nil if type_name.nil?
  load_search_params
  @@search_params.select{|p|p['base']==type_name && p['xpath'] && !p['xpath'].include?('extension')}.map{|p|p['code']}
end

.get_type_definition(type_name) ⇒ Object 



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# File 'lib/fhir_models/bootstrap/definitions.rb', line 40

def self.get_type_definition(type_name)
  return nil if type_name.nil?
  load_types
  d = @@types.find{|x|x['xmlId']==type_name || x['name']==type_name || x['url']==type_name}
  d = FHIR::StructureDefinition.new(d) if !d.nil?
  d
end