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sqm-dashboards/app/models/teacher_response_rate_calcu...

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# frozen_string_literal: true
class TeacherResponseRateCalculator < ResponseRateCalculator
def survey_item_count
@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 ||= survey_items_with_sufficient_responses.values.sum
end
def total_possible_responses
@total_possible_responses ||= respondents.total_teachers
end
def raw_response_rate
(average_responses_per_survey_item / total_possible_responses.to_f * 100).round
end
end