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class Subjects::ShixunUsedInfoService < ApplicationService
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attr_reader :subject, :stages
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def initialize(subject)
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@subject = subject
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@stages = subject.stages.includes(shixuns: [myshixuns: :games, homework_commons_shixuns: [homework_common: :course]])
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end
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def call
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shixun_infos = []
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stages.each do |stage|
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position = stage.position
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stage.shixuns.each_with_index do |shixun, index|
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stage = "#{position}-#{index+1}"
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name = shixun.name
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challenge_count = shixun.challenges_count
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course_count = shixun.homework_commons_shixuns.select{|hcs| hcs.homework_common.course_id}.uniq.size
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school_count = shixun.homework_commons_shixuns.select{|hcs| hcs.homework_common.course.school_id}.uniq.size
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used_count = shixun.myshixuns_count
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passed_count = shixun.myshixuns.select{|m| m.status == 1}.size
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evaluate_count = shixun.myshixuns.map{|m| m.output_times }.sum
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passed_ave_time = passed_count > 0 ? shixun.myshixuns.map{|m| m.total_cost_time}.sum : 0
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#evaluate_count = shixun.myshixuns.joins(:games).select("SUM(games.evaluate_count) evaluate_count").first.evaluate_count
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# passed_ave_time = (passed_count > 0) ?
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# (shixun.myshixuns.joins(:games)
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# .where(myshixuns: {status: 1})
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# .select("SUM(games.cost_time) cost_time").first.cost_time / passed_count) : 0
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shixun_infos << {stage: stage, name: name, challenge_count: challenge_count, course_count: course_count,
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school_count: school_count, used_count: used_count, passed_count: passed_count,
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evaluate_count: evaluate_count, passed_ave_time: passed_ave_time}
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end
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shixun_infos
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end
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end
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end
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