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3778aeb1d6
Implement large speed improvements to score calculations. Add page caching to all pages. Small speed improvements to response rate by filtering out survey items without responses with `none?` `method vs count == 0`.
58 lines
2 KiB
Ruby
58 lines
2 KiB
Ruby
class StudentResponseRate
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include ResponseRate
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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.where(school: @school, academic_year: @academic_year).first
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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: @school, academic_year: @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_item.survey_item_responses.where(school: @school,
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academic_year: @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.where(school: @school, academic_year: @academic_year).first
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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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# survey = Survey.where(school:, academic_year:).first
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# total_possible_student_responses = Respondent.where(school:, academic_year:).first
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# student_survey_items = Subcategory.all.map do |subcategory|
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# subcategory.measures.map do |measure|
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# measure.student_scales.map do |scale|
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# scale.survey_items.count
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# end.sum
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# end.sum
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# end
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# student_response_counts = Subcategory.all.map do |subcategory|
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# subcategory.measures.map do |measure|
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# measure.student_survey_items.map do |survey_item|
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# survey_item.survey_item_responses.where(school:, 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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# student_response_counts.each_with_index.map do |value, index|
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# value.to_f / student_survey_items[index] / total_possible_student_responses * 100
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# end
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