You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
76 lines
2.4 KiB
76 lines
2.4 KiB
class ResponseRate
|
|
def initialize(subcategory:, school:, academic_year:)
|
|
@subcategory = subcategory
|
|
@school = school
|
|
@academic_year = academic_year
|
|
end
|
|
|
|
def student
|
|
rate(survey_item_count: student_survey_item_count, response_count: student_response_count,
|
|
total_possible_responses: total_possible_student_responses)
|
|
end
|
|
|
|
def teacher
|
|
response_rate = rate(survey_item_count: teacher_survey_item_count, response_count: teacher_response_count,
|
|
total_possible_responses: total_possible_teacher_responses)
|
|
cap_at_100(response_rate)
|
|
end
|
|
|
|
private
|
|
|
|
def cap_at_100(response_rate)
|
|
response_rate > 100 ? 100 : response_rate
|
|
end
|
|
|
|
def rate(survey_item_count:, response_count:, total_possible_responses:)
|
|
return 0 unless survey_item_count.positive?
|
|
|
|
average_responses_per_survey_item = response_count / survey_item_count
|
|
|
|
return 0 unless total_possible_responses.positive?
|
|
|
|
(average_responses_per_survey_item / total_possible_responses * 100).round
|
|
end
|
|
|
|
def total_possible_student_responses
|
|
@total_possible_student_responses ||= total_possible_responses do |responses|
|
|
responses.total_students
|
|
end
|
|
end
|
|
|
|
def total_possible_teacher_responses
|
|
@total_possible_teacher_responses ||= total_possible_responses do |responses|
|
|
responses.total_teachers
|
|
end
|
|
end
|
|
|
|
def total_possible_responses
|
|
total_responses = Respondent.where(school: @school, academic_year: @academic_year).first
|
|
return 0 unless total_responses.present?
|
|
|
|
yield total_responses
|
|
end
|
|
|
|
def student_response_count
|
|
@student_response_count ||= SurveyItemResponse.student_responses_for_measures(@subcategory.measures, @school,
|
|
@academic_year).count.to_f
|
|
end
|
|
|
|
def teacher_response_count
|
|
@teacher_response_count ||= SurveyItemResponse.teacher_responses_for_measures(@subcategory.measures, @school,
|
|
@academic_year).count.to_f
|
|
end
|
|
|
|
def student_survey_item_count
|
|
@student_survey_item_count ||= @subcategory.measures.map do |measure|
|
|
measure.student_survey_items.count
|
|
end.sum.to_f
|
|
end
|
|
|
|
def teacher_survey_item_count
|
|
@teacher_survey_item_count ||= @subcategory.measures.map do |measure|
|
|
measure.teacher_survey_items.count
|
|
end.sum.to_f
|
|
end
|
|
end
|