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87 lines
2.7 KiB
87 lines
2.7 KiB
module Dese
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class Loader
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@memo = Hash.new
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def self.load_data(filepath:)
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admin_data_values = []
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@memo = Hash.new
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CSV.parse(File.read(filepath), headers: true) do |row|
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score = likert_score(row:)
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next unless valid_likert_score(likert_score: score)
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admin_data_values << create_admin_data_value(row:, score:)
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end
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AdminDataValue.import(admin_data_values.flatten.compact, batch_size: 1_000, on_duplicate_key_update: :all)
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end
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private
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def self.valid_likert_score(likert_score:)
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likert_score >= 1 && likert_score <= 5
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end
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def self.likert_score(row:)
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likert_score = (row['Likert Score'] || row['LikertScore'] || row['Likert_Score']).to_f
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likert_score.round_up_to_one.round_down_to_five
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end
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def self.ay(row:)
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row['Academic Year'] || row['AcademicYear']
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end
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def self.dese_id(row:)
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row['DESE ID'] || row['Dese ID'] || row['Dese Id'] || row['School ID']
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end
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def self.admin_data_item(row:)
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row['Admin Data Item'] || row['Item ID'] || row['Item Id'] || row['Item ID']
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end
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# these three methods do the memoization
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def self.find_school(dese_id:)
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return @memo["school"+dese_id] if @memo.key? "school"+dese_id
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@memo["school"+dese_id] ||= School.find_by_dese_id(dese_id.to_i)
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end
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def self.find_admin_data_item(admin_data_item_id:)
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return @memo["admin"+admin_data_item_id] if @memo.key? "admin"+admin_data_item_id
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@memo["admin"+admin_data_item_id] ||= AdminDataItem.find_by_admin_data_item_id(admin_data_item_id)
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end
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def self.find_ay(ay:)
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return @memo["year"+ay] if @memo.key? "year"+ay
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@memo["year"+ay] ||= AcademicYear.find_by_range(ay)
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end
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def self.create_admin_data_value(row:, score:)
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school = find_school(dese_id: dese_id(row:))
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admin_data_item_id = admin_data_item(row:)
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admin_data_item = find_admin_data_item(admin_data_item_id:)
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academic_year = find_ay(ay: ay(row:))
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return if school.nil?
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return if admin_data_item_id.nil? || admin_data_item_id.blank?
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admin_data_value = AdminDataValue.find_by(academic_year:, school:, admin_data_item:)
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if admin_data_value.present?
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admin_data_value.likert_score = score
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admin_data_value.save
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nil
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else
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AdminDataValue.new(
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likert_score: score,
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academic_year:,
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school:,
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admin_data_item:,
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)
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end
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end
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private_class_method :valid_likert_score
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private_class_method :likert_score
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private_class_method :ay
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private_class_method :dese_id
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private_class_method :admin_data_item
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private_class_method :create_admin_data_value
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end
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end
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