Module: ASpaceImport::Utils

Defined in:
backend/app/converters/lib/utils.rb

Defined Under Namespace

Classes: ASpaceImportException

Class Method Summary collapse

Class Method Details

.get_property_type(property_def) ⇒ Object 



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# File 'backend/app/converters/lib/utils.rb', line 12

def self.get_property_type(property_def)
  # subrecord slots taking more than one type
  if property_def['type'].is_a? Array
    if ((property_def['type'] | ["integer", "string"]) - (property_def['type'] & ["integer", "string"])).empty?
      return [:string_or_integer, nil]
    elsif property_def['type'].reject {|t| t['type'].match(/object$/)}.length != 0
      raise ASpaceImportException.new(:property_def => property_def)
    end

    return [:record_inline, property_def['type'].map {|t| t['type'].scan(/:([a-zA-Z_]*)/)[0][0] }]
  end

  # dynamic enums

  if property_def['type'] == 'string' && property_def.has_key?('dynamic_enum')
    return [:dynamic_enum, nil]
  end

  # all other cases

  case property_def['type']

  when 'boolean'
    [:boolean, nil]

  when 'integer'
    [:integer, nil]

  when 'date'
    [:string, nil]

  when 'string'
    [:string, nil]

  when 'object'
    if property_def['subtype'] == 'ref'
      [:record_ref, ref_type_list(property_def['properties']['ref']['type'])]
    else
      [:object_inline, nil] # e.g., resource - external_id
    end

  when 'array'
    arr = get_property_type(property_def['items'])
    [(arr[0].to_s + '_list').to_sym, arr[1]]

  when /^JSONModel\(:([a-z_]*)\)\s(uri)$/
    [:record_uri, [$1]]

  when /^JSONModel\(:([a-z_]*)\)\s(uri_or_object)$/
    [:record_uri_or_record_inline, [$1]]

  when /^JSONModel\(:([a-z_]*)\)\sobject$/
    [:record_inline, [$1]]

  else

    raise ASpaceImportException.new(:property_def => property_def)
  end
end

.mint_id ⇒ Object

Fake an ID to create URIs



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# File 'backend/app/converters/lib/utils.rb', line 7

def self.mint_id
  "import_#{SecureRandom.uuid}"
end

.ref_type_list(property_ref_type) ⇒ Object 



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# File 'backend/app/converters/lib/utils.rb', line 141

def self.ref_type_list(property_ref_type)
  if property_ref_type.is_a?(Array) && property_ref_type[0].is_a?(Hash)
    property_ref_type.map { |t| t['type'].scan(/:([a-zA-Z_]*)/)[0][0] }

  elsif property_ref_type.is_a?(Array)
    property_ref_type.map { |t| t.scan(/:([a-zA-Z_]*)/)[0][0] }
  else
    property_ref_type.scan(/:([a-zA-Z_]*)/)[0][0]
  end
end

.update_record_references(record, ref_source) ⇒ Object 



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# File 'backend/app/converters/lib/utils.rb', line 153

def self.update_record_references(record, ref_source)
  if record.is_a?(Array) || record.respond_to?(:to_array)
    record.map {|e| update_record_references(e, ref_source)}
  elsif record.is_a?(Hash) || record.respond_to?(:each)
    fixed = {}

    record.each do |k, v|
      fixed[k] = update_record_references(v, ref_source)
    end

    fixed
  else
    ref_source[record] || record
  end
end

.value_filter(property_type) ⇒ Object 



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# File 'backend/app/converters/lib/utils.rb', line 73

def self.value_filter(property_type)
  case property_type

  when /^record_uri_or_record_inline/
    lambda {|val|
      val.block_further_reception if val.respond_to? :block_further_reception
      if val.class.method_defined? :uri
        val.uri
      else
        val
      end
    }

  when /^record_uri/
    lambda {|val|
      if val.class.method_defined? :uri
        val.uri
      else
        val.to_s
      end
    }

  when /^record_inline/
    lambda {|val|
      val
    }

  when /^record_ref/
    lambda {|val|
      if val.respond_to?(:uri)
        {'ref' => val.uri}
      else
        val
      end
    }

  when :boolean
    lambda {|val|
      if [false, true].include? val
        val
      elsif val.to_s == '0'
        false
      elsif val.to_s == '1'
        true
      end
    }

  when :dynamic_enum
    lambda {|val|
      val
    }

  when /^string/
    lambda {|val|
      val.split("\n").map {|s| s.strip }.join("\n")
    }

  when :integer
    lambda {|val|
      val.to_i
    }

  else
    raise "Can't handle #{property_type}"
  end
end