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18 lines
765 B
18 lines
765 B
class SurveyResponseAggregator
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# Returns an average score for all SurveyItemResponses for the given AcademicYear, School, and Measure
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def self.score(academic_year:, school:, measure:)
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SurveyItemResponse
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.where(academic_year: academic_year, school: school)
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.joins(:survey_item).where('survey_items.measure_id': measure.id)
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.map { |survey_item_response| survey_item_response.likert_score }
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.average
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end
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# Returns an array of SurveyItemResponses for the given AcademicYear, School, and Measure
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def self.find_responses_by_measure(academic_year:, school:, measure:)
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SurveyItemResponse
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.where(academic_year: academic_year, school: school)
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.joins(:survey_item).where('survey_items.measure_id': measure.id)
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end
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end
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