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90 lines
3.3 KiB
90 lines
3.3 KiB
6 years ago
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class ExerciseUserPdfService
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include ExercisesHelper
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include ApplicationHelper
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include StudentWorksHelper
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attr_reader :exercise, :ex_user
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def initialize(exercise, ex_user)
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@exercise = exercise
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@ex_user = ex_user
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@ex_user_user = @ex_user.user
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@course = @exercise.course
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end
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def filename
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user_course = @course.course_members.find_by(user_id:@ex_user_user.id).course_group_name
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exercise_user_name = user_course + "_" + exercise.exercise_name + "_" + @ex_user_user.real_name
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"#{exercise_user_name.strip}.pdf"
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end
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def prepare_binding
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load_data
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binding
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end
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def ex_pdf
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generate_pdf
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end
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private
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def generate_pdf
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file = File.open(Rails.root.join('app/templates/exercise_export/exercise_user.html.erb'))
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html = ERB.new(file.read).result(prepare_binding)
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kit = PDFKit.new(html)
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base_css = %w(app/templates/exercise_export/exercise_export.css)
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base_css.each { |css| kit.stylesheets << Rails.root.join(css) }
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#-----正式需删掉
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# aa = File.open(Rails.root.join("public/123.html"),"w+")
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# aa.syswrite(kit.source)
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#正式需删掉-------
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file = Tempfile.new(filename)
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kit.to_pdf(file.path)
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file
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end
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def load_data
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@exercise_questions = exercise.exercise_questions
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@exercise_ques_count = @exercise_questions.count # 全部的题目数
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@exercise_ques_scores = @exercise_questions.pluck(:question_score).sum
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#单选题的数量及分数
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exercise_single_ques = @exercise_questions.find_by_custom("question_type",0)
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@exercise_single_ques_count = exercise_single_ques.all.count
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@exercise_single_ques_scores = exercise_single_ques.pluck(:question_score).sum
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#多选题的数量及分数
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exercise_double_ques = @exercise_questions.find_by_custom("question_type",1)
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@exercise_double_ques_count = exercise_double_ques.all.count
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@exercise_double_ques_scores = exercise_double_ques.pluck(:question_score).sum
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# 判断题数量及分数
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exercise_ques_judge = @exercise_questions.find_by_custom("question_type",2)
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@exercise_ques_judge_count = exercise_ques_judge.all.count
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@exercise_ques_judge_scores = exercise_ques_judge.pluck(:question_score).sum
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#填空题数量及分数
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exercise_ques_null = @exercise_questions.find_by_custom("question_type",3)
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@exercise_ques_null_count = exercise_ques_null.all.count
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@exercise_ques_null_scores = exercise_ques_null.pluck(:question_score).sum
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#简答题数量及分数
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exercise_ques_main = @exercise_questions.find_by_custom("question_type",4)
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@exercise_ques_main_count = exercise_ques_main.all.count
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@exercise_ques_main_scores = exercise_ques_main.pluck(:question_score).sum
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#实训题数量及分数
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exercise_ques_shixun = @exercise_questions.find_by_custom("question_type",5)
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@exercise_ques_shixun_count = exercise_ques_shixun.all.count
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@exercise_ques_shixun_scores = exercise_ques_shixun.pluck(:question_score).sum
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challenge_ids = @exercise_questions.joins(:exercise_shixun_challenges).pluck("exercise_shixun_challenges.challenge_id")
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get_each_student_exercise(exercise.id,@exercise_questions,@ex_user_user.id)
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@games = @exercise_user.user.games.ch_games(challenge_ids)
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end
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end
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