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63 lines
2.2 KiB
63 lines
2.2 KiB
class SchoolCategory < ApplicationRecord
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belongs_to :school
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belongs_to :category
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validates_associated :school
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validates_associated :category
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scope :for, -> (school, category) { where(school: school).where(category: category) }
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scope :for_parent_category, -> (school, category=nil) { where(school: school).joins(:category).merge(Category.for_parent(category)) }
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def answer_index_average
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answer_index_total.to_f / response_count.to_f
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end
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def aggregated_responses
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attempt_data = Attempt.
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for_category(category).
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for_school(school).
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select('count(attempts.id) as attempt_count').
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select('count(attempts.answer_index) as response_count').
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select('sum(case when questions.reverse then 5 - attempts.answer_index else attempts.answer_index end) as answer_index_total')[0]
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return {
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attempt_count: attempt_data.attempt_count || 0,
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response_count: attempt_data.response_count || 0,
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answer_index_total: attempt_data.answer_index_total || 0
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}
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end
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def chained_aggregated_responses
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_aggregated_responses = aggregated_responses
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child_school_categories = category.child_categories.collect do |cc|
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SchoolCategory.for(school, cc)
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end.flatten
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return {
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attempt_count:
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_aggregated_responses[:attempt_count] +
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child_school_categories.inject(0) { |total, csc| total + csc.attempt_count },
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response_count:
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_aggregated_responses[:response_count] +
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child_school_categories.inject(0) { |total, csc| total + csc.response_count },
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answer_index_total:
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_aggregated_responses[:answer_index_total] +
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child_school_categories.inject(0) { |total, csc| total + csc.answer_index_total }
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}
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end
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def sync_aggregated_responses
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return if ENV['BULK_PROCESS']
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update_attributes(chained_aggregated_responses)
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if category.parent_category.present?
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parent_school_category = SchoolCategory.for(school, category.parent_category).first
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if parent_school_category.nil?
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parent_school_category = SchoolCategory.create(school: school, category: category.parent_category)
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end
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parent_school_category.sync_aggregated_responses
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end
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end
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end
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