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85 lines
2.3 KiB
85 lines
2.3 KiB
class Measure < ActiveRecord::Base
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belongs_to :subcategory
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has_many :survey_items
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has_many :admin_data_items
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has_many :survey_item_responses, through: :survey_items
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scope :source_includes_survey_items, -> { joins(:survey_items).uniq }
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def self.none_meet_threshold?(school:, academic_year:)
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none? do |measure|
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SurveyItemResponse.sufficient_data?(measure: measure, school: school, academic_year: academic_year)
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end
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end
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def teacher_survey_items
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@teacher_survey_items ||= survey_items.where("survey_item_id LIKE 't-%'")
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end
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def student_survey_items
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@student_survey_items ||= survey_items.where("survey_item_id LIKE 's-%'")
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end
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def includes_teacher_survey_items?
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@includes_teacher_survey_items ||= teacher_survey_items.any?
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end
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def includes_student_survey_items?
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@includes_student_survey_items ||= student_survey_items.any?
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end
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def includes_admin_data_items?
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@includes_admin_data_items ||= admin_data_items.any?
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end
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def sources
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sources = []
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sources << :admin_data if includes_admin_data_items?
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sources << :student_surveys if includes_student_survey_items?
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sources << :teacher_surveys if includes_teacher_survey_items?
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sources
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end
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def warning_low_benchmark
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return @warning_low_benchmark unless @warning_low_benchmark.nil?
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@warning_low_benchmark = benchmark(:warning_low_benchmark)
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end
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def watch_low_benchmark
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return @watch_low_benchmark unless @watch_low_benchmark.nil?
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@watch_low_benchmark = benchmark(:watch_low_benchmark)
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end
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def growth_low_benchmark
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return @growth_low_benchmark unless @growth_low_benchmark.nil?
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@growth_low_benchmark = benchmark(:growth_low_benchmark)
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end
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def approval_low_benchmark
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return @approval_low_benchmark unless @approval_low_benchmark.nil?
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@approval_low_benchmark = benchmark(:approval_low_benchmark)
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end
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def ideal_low_benchmark
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return @ideal_low_benchmark unless @ideal_low_benchmark.nil?
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@ideal_low_benchmark = benchmark(:ideal_low_benchmark)
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end
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private
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def benchmark(name)
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averages = []
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averages << student_survey_items.first.send(name) if includes_student_survey_items?
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averages << teacher_survey_items.first.send(name) if includes_teacher_survey_items?
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(averages << admin_data_items.map(&name)).flatten! if includes_admin_data_items?
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averages.average
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end
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end
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