Class: Calil::Book

Inherits:
Object
  • Object
show all
Defined in:
lib/calil/book.rb

Defined Under Namespace

Modules: ContinueStatus

Constant Summary collapse

FIND_ENABLE_LIMIT = 
100
RETRY_LIMIT = 
10
RETRY_WAIT_TIME = 
5

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(element) ⇒ Book

Returns a new instance of Book.



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# File 'lib/calil/book.rb', line 65

def initialize(element)

  @element = element
  @systems = []
  element.elements.each('system') do |system|
    @systems << Calil::System.new(system)
  end

end

Class Method Details

.find(isbns, systemids, params = {}) ⇒ Object 



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# File 'lib/calil/book.rb', line 14

def self.find(isbns, systemids, params = {})

  params.merge!({
    isbn: isbns.join(","),
    systemid: systemids.join(","),
    format: "xml"
  })

  params.merge!(appkey: ENV["CALIL_APP_KEY"]) unless params[:appkey]
  raise "calil appkey notfound" unless params[:appkey]

  session_id = nil
  continue_status = ContinueStatus::CONTINUE
  retry_count = 0
  http_response_body = nil

  RETRY_LIMIT.times do |count|

    retry_count = count

    http_response_body = request(params, session_id)

    REXML::Document.new(http_response_body).elements.each("result/continue") {|e| continue_status = e.text }
    REXML::Document.new(http_response_body).elements.each("result/session") {|e| session_id = e.text }

    break if continue_status == ContinueStatus::CLOSE

    sleep RETRY_WAIT_TIME

  end

  # retry limit error
  raise "retry error" if continue_status == ContinueStatus::CONTINUE && retry_count == (RETRY_LIMIT - 1)

  books = []
  REXML::Document.new(http_response_body).elements.each("result/books/book") do |element|
    books << Book.new(element)
  end
  books

end

.request(params, session = nil) ⇒ Object 



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# File 'lib/calil/book.rb', line 56

def self.request(params, session = nil)

  params.merge!(session: session) if session
  query = params.map {|k,v| "#{k}=#{CGI.escape(v.to_s)}" }.join("&").to_s
  url = "http://api.calil.jp/check?#{query}"
  open(url).read

end

Instance Method Details

#calilurl ⇒ Object 



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# File 'lib/calil/book.rb', line 79

def calilurl
  @element.attributes["calilurl"]
end

#inspect ⇒ Object 



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# File 'lib/calil/book.rb', line 96

def inspect
  attr_body = %w(isbn calilurl reservable?).map do |method_name|
    eval("\"#{method_name}: '#{send(method_name)}'\"")
  end.join(", ")

  systems_body = @systems.map do |sytem|
    sytem.inspect
  end.join(", ")

  "#<Book #{attr_body} systems: [#{systems_body}]>"
end

#isbn ⇒ Object 



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# File 'lib/calil/book.rb', line 75

def isbn
  @element.attributes["isbn"]
end

#reservable? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/calil/book.rb', line 87

def reservable?
  # exsit reserveurl in current systems
  !!(@systems.find {|system| system.reservable? })
end

#reservables ⇒ Object 



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# File 'lib/calil/book.rb', line 92

def reservables
  @systems.select {|system| system.reservable? }
end

#systems ⇒ Object 



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# File 'lib/calil/book.rb', line 83

def systems
  @systems
end