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c03615cb43
rate model. Create a loader to refresh response rates for all subcategories. Use precalculated response rates in views Wrap more elements in page caching Calculate a response rate for a subcategory if one does not already exist
40 lines
1.3 KiB
Ruby
40 lines
1.3 KiB
Ruby
class StudentResponseRateCalculator
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include ResponseRateCalculator
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private
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def survey_item_count
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@survey_item_count ||= begin
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survey = Survey.find_by(school:, academic_year:)
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survey_items = SurveyItem.includes(%i[scale
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measure]).student_survey_items.where("scale.measure": @subcategory.measures)
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survey_items = survey_items.where(on_short_form: true) if survey.form == 'short'
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survey_items = survey_items.reject do |survey_item|
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survey_item.survey_item_responses.where(school:, academic_year:).none?
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end
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survey_items.count
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end
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end
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def response_count
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@response_count ||= @subcategory.measures.map do |measure|
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measure.student_survey_items.map do |survey_item|
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survey = Survey.find_by(school:, academic_year:)
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next 0 if survey.form == 'short' && survey_item.on_short_form == false
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survey_item.survey_item_responses.where(school:,
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academic_year:).exclude_boston.count
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end.sum
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end.sum
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end
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def total_possible_responses
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@total_possible_responses ||= begin
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total_responses = Respondent.find_by(school:, academic_year:)
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return 0 unless total_responses.present?
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total_responses.total_students
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end
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end
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end
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