Class: Gotasku::Problem

Inherits:
Object
  • Object
show all
Defined in:
lib/gotasku/problem.rb

Constant Summary collapse

@@uri = 
"http://www.goproblems.com/"

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ Problem

initializes with a hash of options



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# File 'lib/gotasku/problem.rb', line 8

def initialize(options = {})
	@id   = options["id"]
	@sgf  = options["sgf"]

	if @sgf 
		# checks if sgf is a sgf file, and reads it if it is
     if @sgf =~ /\.sgf/ && File.exists?(@sgf)
			@sgf = File.open(@sgf, 'r').read
		end

		@data ||= {}
	end

  # overrides sgf and id if they are provided in the option data	
	if options["data"]
		@data = options["data"]
		@id   = @data["id"]  || @id
		@sgf  = @data["sgf"] || @sgf
	end
end

Instance Attribute Details

#id ⇒ Object (readonly)

Returns the value of attribute id.



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# File 'lib/gotasku/problem.rb', line 5

def id
  @id
end

Class Method Details

.last_problem_id ⇒ Object

get the id of the last problem on goproblems.com



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# File 'lib/gotasku/problem.rb', line 30

def self.last_problem_id
	@@last_problem_id ||= begin
		doc = Nokogiri::HTML(open('http://www.goproblems.com/').read)
		link = doc.css('td a').select {|a| a[:href] =~ /^\/\d+\z/}[0]
	  link[:href].slice(/\d+/).to_i
	end
end

Instance Method Details

#blank? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/gotasku/problem.rb', line 111

def blank?
	sgf == '(;)'
end

#data ⇒ Object 



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# File 'lib/gotasku/problem.rb', line 115

def data 
	@data ||= begin
		# get sgf from go problems  
		doc = Nokogiri::HTML(open("#{@@uri}#{@id}").read) 
		sgf_text = doc.css("div#player-container").text.gsub(/\r?\n/, '')

		raise Gotasku::NotFound if sgf_text.empty?

		difficulty = Gotasku::DifficultyString.new(
									doc.css("div.difficulty a").text)
		type = doc.css("div.prob_genre").text
		rating = Gotasku::RatingString.new(
							doc.css("div.probstars")[0][:class]).convert

		{
			"id"         => @id,
			"sgf"        => sgf_text, 
			"difficulty" => difficulty, 
			"diff_num"   => difficulty.convert,
			"type"       => type, 
			"rating"     => rating
		}

	rescue Gotasku::NotFound
		# puts "This problem cannot be found"

		# at the moment, this seems the best solution, not ideal though
		# because it allows for problems to be saved even if they are not 
		# found
		{sgf: '(;)'}

	rescue SocketError
		puts "Poor internet connection"
		{sgf: '(;)'} 
	end
end

#difficulty ⇒ Object

strip problem difficulty from goproblems.com



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# File 'lib/gotasku/problem.rb', line 49

def difficulty
	data["difficulty"]
end

#display ⇒ Object

print out information on problem on screen



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# File 'lib/gotasku/problem.rb', line 39

def display 
	Gotasku::Display.show(self)
end

#rating ⇒ Object

strip problem rating from goproblems.com



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# File 'lib/gotasku/problem.rb', line 59

def rating 
	data["rating"]
end

#save ⇒ Object

saves the sgf



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# File 'lib/gotasku/problem.rb', line 69

def save
	tree.save("#{id || Time.now.to_i}.sgf")
end

#sgf ⇒ Object

access sgf or strip problem sgf from goproblems.com



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# File 'lib/gotasku/problem.rb', line 44

def sgf
	@sgf ||= data["sgf"]
end

#tree ⇒ Object

access or get the tree from the Parser



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# File 'lib/gotasku/problem.rb', line 64

def tree 
	@tree ||= Gotasku::Parser.new.parse(sgf)
end

#type ⇒ Object

strip problem type from goproblems.com



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# File 'lib/gotasku/problem.rb', line 54

def type 
	data["type"]
end

#upload ⇒ Object

this method is not finished uploads sgf to goproblems.com



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# File 'lib/gotasku/problem.rb', line 75

def upload
	# don't upload a problem that came from goproblems
	unless @id
		sess = Gotasku::Session.current

		add_info_page = sess.link_with(href: /add/).click
		add_page = add_info_page.link_with(text: /direct/).click

     add_page.form_with(
			action: 'addtest.php3') do |f|
			source_field = f.field_with(name: "source")
			source_field.value = ''
			
			name_field = f.field_with(name: "name")
			name_field.value = '' 

			sgf_field = f.field_with(name: "sgf")
			sgf_field.value = @sgf
			
			intro_field = f.field_with(name: "intro")
			intro_field.value = ''

       type_select = f.field_with(name: "genre")
			type_select.value = 'elementary' 
			
			group_select = f.field_with(name: "usergroup[]")
			group_select.value = ['none']

			@submit = f.submit
		end

		# after submit, goes to flash app to confirm and complete 
		# the problem
	end
end