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Contents
class Gaku::Grading::Collection::Interval < Gaku::Grading::Collection::BaseMethod
def grade_exam
@scores = students_with_scores
formated_student_results.each do |student|
@result << Gaku::Grading::Single::Interval.new(@gradable, student, gradable_scope).grade_exam
end
@result
end
private
def student_positions
criteria.map {|key, value| [key, ( @scores.count * (value.to_f/100)).ceil] }.to_h
end
def students_by_score
@scores.group_by(&:last).sort.reverse.map{|a| a.last.map(&:first)}
end
def interval_results
@students_by_score = students_by_score
student_positions.each_with_object(Hash.new{|h, k| h[k] = []}) do |( key, value), hash|
while value > hash[key].length
break if @students_by_score.empty?
hash[key].push(*@students_by_score.shift)
end
end
end
def score_results
Gaku::Grading::Collection::Score.new(@gradable, @students, gradable_scope).grade
end
def students_with_scores
score_results['student_results'].each_with_object({}) do |student_result, h|
h[student_result['id']] = student_result['score']
end.reject {|_student_id, score| score.nil? }
end
def students_without_scores
score_results['student_results'].select {|results| results['score'].nil? }.map {|x| [x['id'], x['score']]}
end
def formated_student_results
interval_results.flat_map {|k, v| v.map { |x| [x, k] } }.push *students_without_scores
end
end
Version data entries
6 entries across 6 versions & 1 rubygems