chore: performance fixes for response rate calculation

speedup-admin-data
Nelson Jovel 2 years ago
parent 6a283b1fc8
commit 9e8f917457

@ -37,6 +37,6 @@ class OverviewController < SqmApplicationController
end
def categories
@categories ||= Category.sorted.includes(%i[measures admin_data_items subcategories])
@categories ||= Category.sorted.includes(%i[measures scales admin_data_items subcategories])
end
end

@ -9,4 +9,5 @@ class Category < ActiveRecord::Base
has_many :subcategories
has_many :measures, through: :subcategories
has_many :admin_data_items, through: :measures
has_many :scales, through: :subcategories
end

@ -39,7 +39,11 @@ class ResponseRateCalculator
response_count / survey_item_count.to_f
end
def respondents
@respondents ||= Respondent.find_by(school:, academic_year:)
end
def population_data_unavailable?
Respondent.where(school: @school, academic_year: @academic_year).count.zero?
@population_data_unavailable ||= respondents.nil?
end
end

@ -17,15 +17,15 @@ class StudentResponseRateCalculator < ResponseRateCalculator
def rates_by_grade
@rates_by_grade ||= enrollment_by_grade.map do |grade, num_of_students_in_grade|
sufficient_survey_items = survey_items_with_sufficient_responses(grade:).keys
actual_response_count_for_grade = SurveyItemResponse.where(school:, academic_year:, grade:,
survey_item: sufficient_survey_items).count.to_f
count_of_survey_items_with_sufficient_responses = survey_item_count(grade:)
if count_of_survey_items_with_sufficient_responses.nil? || count_of_survey_items_with_sufficient_responses.zero? || num_of_students_in_grade.nil? || num_of_students_in_grade.zero?
responses = survey_items_with_sufficient_responses(grade:)
actual_response_count_for_grade = responses.values.sum.to_f
count_of_survey_items_with_sufficient_responses = responses.count
if actual_response_count_for_grade.nil? || count_of_survey_items_with_sufficient_responses.nil? || count_of_survey_items_with_sufficient_responses.zero? || num_of_students_in_grade.nil? || num_of_students_in_grade.zero?
next nil
end
[grade, actual_response_count_for_grade / count_of_survey_items_with_sufficient_responses / num_of_students_in_grade * 100]
rate = actual_response_count_for_grade / count_of_survey_items_with_sufficient_responses / num_of_students_in_grade * 100
[grade, rate]
end.compact.to_h
end
@ -33,10 +33,6 @@ class StudentResponseRateCalculator < ResponseRateCalculator
@enrollment_by_grade ||= respondents.enrollment_by_grade
end
def total_enrollment
respondents.enrollment_by_grade.sum
end
def survey_items_have_sufficient_responses?
rates_by_grade.values.length.positive?
end
@ -46,24 +42,16 @@ class StudentResponseRateCalculator < ResponseRateCalculator
threshold = 10
quarter_of_grade = enrollment_by_grade[grade] / 4
threshold = threshold > quarter_of_grade ? quarter_of_grade : threshold
memo[grade] = SurveyItem.joins('inner join survey_item_responses on survey_item_responses.survey_item_id = survey_items.id')
memo[grade] = SurveyItem.joins("inner join survey_item_responses on survey_item_responses.survey_item_id = survey_items.id")
.student_survey_items
.where("survey_item_responses.school": school, "survey_item_responses.academic_year": academic_year, "survey_item_responses.grade": grade, "survey_item_responses.survey_item_id": subcategory.survey_items.student_survey_items)
.group('survey_items.id')
.group("survey_items.id")
.having("count(*) >= #{threshold}")
.count
end
@survey_items_with_sufficient_responses[grade]
end
def survey_item_count(grade:)
survey_items_with_sufficient_responses(grade:).count
end
def respondents
@respondents ||= Respondent.find_by(school:, academic_year:)
end
def total_possible_responses
@total_possible_responses ||= begin
return 0 unless respondents.present?

@ -2,37 +2,27 @@
class TeacherResponseRateCalculator < ResponseRateCalculator
def survey_item_count
@survey_item_count ||= begin
survey_items = @subcategory.measures.flat_map(&:teacher_survey_items)
SurveyItem.joins('inner join survey_item_responses on survey_item_responses.survey_item_id = survey_items.id')
.teacher_survey_items
.where("survey_item_responses.school": school, "survey_item_responses.academic_year": academic_year, "survey_item_responses.survey_item_id": survey_items)
.group('survey_items.id')
.having('count(*) >= 0').count.length
end
@survey_item_count ||= survey_items_with_sufficient_responses.length
end
def survey_items_have_sufficient_responses?
survey_item_count.positive?
end
def survey_items_with_sufficient_responses
SurveyItem.joins("inner join survey_item_responses on survey_item_responses.survey_item_id = survey_items.id")
.teacher_survey_items
.where("survey_item_responses.school": school, "survey_item_responses.academic_year": academic_year, "survey_item_responses.survey_item_id": @subcategory.survey_items.teacher_survey_items)
.group("survey_items.id")
.having("count(*) >= 0").count
end
def response_count
@response_count ||= @subcategory.measures.map do |measure|
measure.teacher_survey_items.map do |survey_item|
survey_item.survey_item_responses.where(school:,
academic_year:).exclude_boston.count
end.sum
end.sum
@response_count ||= survey_items_with_sufficient_responses.values.sum
end
def total_possible_responses
@total_possible_responses ||= begin
total_responses = Respondent.where(school:, academic_year:).first
return 0 unless total_responses.present?
total_responses.total_teachers
end
@total_possible_responses ||= respondents.total_teachers
end
def raw_response_rate

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