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educoder/app/services/exercise_user_pdf_service.rb

90 lines
3.4 KiB

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