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require 'fileutils'
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class TestRequest < Task
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set_table_name "test_requests"
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belongs_to :user
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belongs_to :problem
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belongs_to :submission
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def self.get_inqueue_and_change_status(status)
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# since there will be only one grader grading TestRequest
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# we do not need locking (hopefully)
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task = Task.find(:first,
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:order => "created_at",
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:conditions => {:status=> Task::STATUS_INQUEUE})
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if task!=nil
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task.status = status
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task.save!
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end
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task
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end
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# interfacing with form
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def self.new_from_form_params(user,params)
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test_request = TestRequest.new
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test_request.user = user
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problem = Problem.find(params[:problem_id])
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test_request.problem = problem
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test_request.submission =
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Submission.find_by_user_problem_number(user.id,
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problem.id,
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params[:submission_number])
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test_request.input_file_name = save_input_file(params[:input_file], user, problem)
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test_request.submitted_at = Time.new
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test_request.status_inqueue
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test_request
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end
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protected
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def self.input_file_name(user,problem)
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problem_name = (problem!=nil) ? problem.name : ""
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begin
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tmpname = TEST_REQUEST_INPUT_FILE_DIR + "/#{user.login}/#{problem_name}/#{rand(10000)}"
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end while File.exists?(tmpname)
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tmpname
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end
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def self.save_input_file(tempfile, user, problem)
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new_file_name = input_file_name(user,problem)
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dirname = File.dirname(new_file_name)
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FileUtils.mkdir_p(File.dirname(new_file_name)) if !File.exists?(dirname)
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if tempfile.instance_of?(Tempfile)
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tempfile.close
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FileUtils.move(tempfile.path,new_file_name)
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else
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File.open(new_file_name, "wb") do |f|
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f.write(tempfile.read)
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end
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end
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new_file_name
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end
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end
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jittat-