Class: Tomograph::OpenApi::OpenApi3

Inherits:
Object
  • Object
show all
Defined in:
lib/tomograph/openapi/openapi3.rb

Instance Method Summary collapse

Constructor Details

#initialize(prefix, openapi3_yaml_path) ⇒ OpenApi3

Returns a new instance of OpenApi3.



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# File 'lib/tomograph/openapi/openapi3.rb', line 6

def initialize(prefix, openapi3_yaml_path)
  @prefix = prefix
  @documentation = YAML.safe_load(File.read(openapi3_yaml_path))
end

Instance Method Details

#responses(responses_definitions) ⇒ Object 



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# File 'lib/tomograph/openapi/openapi3.rb', line 26

def responses(responses_definitions)
  result = []
  responses_definitions.each do |(response_code, response)|
    # response can be either Response Object or Reference Object
    if response.key?('$ref')
      response_description_path = response['$ref'].split('/')[1..] # first one is a '#'
      response['content'] = @documentation.dig(*response_description_path)['content']
    end

    # Content can be nil if response body is not provided
    if response['content'].nil?
      result.push(
        'status' => response_code,
        'body'=> {},
        'content-type' => ''
      )
    else
      result += responses_by_content_types(response['content'], response_code)
    end
  end
  result
end

#responses_by_content_types(content_types, response_code) ⇒ Object 



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# File 'lib/tomograph/openapi/openapi3.rb', line 49

def responses_by_content_types(content_types, response_code)
  content_types.map do |content_type, media_type_obj|
    {
      'status' => response_code,
      'body' => schema(media_type_obj['schema']),
      'content-type' => content_type
    }
  end
end

#schema(sche) ⇒ Object 



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# File 'lib/tomograph/openapi/openapi3.rb', line 59

def schema(sche)
  defi = @documentation['components']['schemas']
  if sche.keys.include?('$ref')
    sche.merge!('components' => {})
    sche['components'].merge!('schemas' => {})
    sche['components']['schemas'].merge!({ sche['$ref'][21..-1] => defi[sche['$ref'][21..-1]] })

    if defi[sche['$ref'][21..-1]].to_s.include?('$ref')
      keys = defi[sche['$ref'][21..-1]].to_s.split('"').find_all { |word| word.include?('#/components/schemas/') }
      keys.each do |key|
        sche['components']['schemas'].merge!({ key[21..-1] => defi[key[21..-1]] })

        next unless defi[key[21..-1]].to_s.include?('$ref')

        keys2 = defi[key[21..-1]].to_s.split('"').find_all { |word| word.include?('#/components/schemas/') }
        keys2.each do |key2|
          sche['components']['schemas'].merge!({ key2[21..-1] => defi[key2[21..-1]] })

          next unless defi[key2[21..-1]].to_s.include?('$ref')

          keys3 = defi[key2[21..-1]].to_s.split('"')
                                    .find_all { |word| word.include?('#/components/schemas/') }
                                    .uniq
          keys3.each do |key3|
            sche['components']['schemas'].merge!({ key3[21..-1] => defi[key3[21..-1]] })
          end
        end
      end
    end
    sche

  elsif sche.to_s.include?('$ref')
    res = sche.merge('definitions' => {})
    keys = sche.to_s.split('"').find_all { |word| word.include?('definitions') }
    keys.each do |key|
      res['definitions'].merge!({ key[21..-1] => defi[key[21..-1]] })
    end
    res
  else
    sche
  end
end

#search_hash(hash, key) ⇒ Object 



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# File 'lib/tomograph/openapi/openapi3.rb', line 102

def search_hash(hash, key)
  return hash[key] if hash.assoc(key)

  hash.delete_if { |_key, value| value.class != Hash }
  new_hash = {}
  hash.each_value { |values| new_hash.merge!(values) }
  search_hash(new_hash, key) unless new_hash.empty?
end

#to_resources ⇒ Object 



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# File 'lib/tomograph/openapi/openapi3.rb', line 111

def to_resources
  return @to_resources if @to_resources

  @to_resources = @documentation.group_by { |action| action['resource'] }
  @to_resources = @to_resources.each_with_object({}) do |(resource, actions), resource_map|
    requests = actions.map do |action|
      "#{action['method']} #{@prefix}#{action['path']}"
    end
    resource_map[resource] = requests
  end
end

#to_tomogram ⇒ Object 



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# File 'lib/tomograph/openapi/openapi3.rb', line 11

def to_tomogram
  @tomogram ||= @documentation['paths'].each_with_object([]) do |(path, action_definition), result|
    action_definition.keys.each do |method|
      result.push(Tomograph::Tomogram::Action.new(
                    path: "#{@prefix}#{path}",
                    method: method.upcase,
                    content_type: '',
                    requests: [],
                    responses: responses(action_definition[method]['responses']),
                    resource: ''
                  ))
    end
  end
end