Module: Kindai::Util::Database

Defined in:
lib/kindai/util/database.rb

Constant Summary collapse

ENDPOINT = 
URI.parse 'http://gigaschema.appspot.com/hitode909/kindai.json'

Class Method Summary collapse

Class Method Details

.item_for_book(book) ⇒ Object 



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# File 'lib/kindai/util/database.rb', line 27

def self.item_for_book(book)
  path = ENDPOINT + "?group=#{book.key}"
  JSON.parse(Kindai::Util.fetch_uri(path))['data'].map{|item|
    begin
      hash = JSON.parse(item['value'])
      self.validate(hash)
      hash.each_pair.inject({ }){ |obj, pair|
        obj[pair.first.to_sym] = pair.last
        obj
      }
    rescue => error
      Kindai::Util.logger.warn error
      nil
    end
  }.compact.first
end

.items ⇒ Object

XXX: deprecated, page 1 only



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# File 'lib/kindai/util/database.rb', line 10

def self.items
  @items ||= JSON.parse(Kindai::Util.fetch_uri(ENDPOINT))['data'].map{|item|
    begin
      hash = JSON.parse(item['value'])
      self.validate(hash)

      hash.each_pair.inject({ }){ |obj, pair|
        obj[pair.first.to_sym] = pair.last
        obj
      }
    rescue => error
      Kindai::Util.logger.warn error
      nil
    end
  }.compact
end

.save_item(book, info) ⇒ Object 



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# File 'lib/kindai/util/database.rb', line 44

def self.save_item(book, info)
  previous_item = self.item_for_book(book)
  if previous_item and previous_item[:version] >= Kindai::VERSION
    Kindai::Util.logger.warn "Database has newer version of #{book.title}. To save, delete it first."
    return false
  end

  send_data = {
    'uri'     => book.permalink_uri,
    'title'   => book.title,
    'author'  => book.author,
    'x'       => info[:x],
    'y'       => info[:y],
    'width'   => info[:width],
    'height'  => info[:height],
    'version' => Kindai::VERSION
  }
  self.validate(send_data)

  proxy_uri = URI.parse(ENV["http_proxy"] || ENV["HTTP_PROXY"] || "")
  proxy_user, proxy_pass = proxy.userinfo.split(/:/) if proxy_uri.userinfo
  res = Net::HTTP.Proxy(proxy_uri.host, proxy_uri.port,
                        proxy_user, proxy_pass).start(ENDPOINT.host, ENDPOINT.port){|http|
    request = Net::HTTP::Post.new(ENDPOINT.path)
    request.set_form_data({:value => send_data.to_json, :group => book.key})
    http.request(request)
  }
  case res.code
  when '200'
    JSON.parse(res.body)
  else
    raise res
  end
end

.validate(info) ⇒ Object 



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# File 'lib/kindai/util/database.rb', line 79

def self.validate(info)
  %w{uri title author}.each{|key|
    raise "key #{key} is required" unless info.has_key? key
    raise "key #{key} must be kind of String" unless info[key].kind_of? String
  }

  %w{x y width height version}.each{|key|
    raise "key #{key} is required" unless info.has_key? key
    raise "key #{key} must be kind of Numeric" unless info[key].kind_of? Numeric
  }
end