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108 lines
3.1 KiB
108 lines
3.1 KiB
# frozen_string_literal: true
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require 'csv'
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class StudentLoader
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def self.load_data(filepath:, rules: [])
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File.open(filepath) do |file|
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headers = file.first
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headers_array = headers.split(',')
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file.lazy.each_slice(1_000) do |lines|
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CSV.parse(lines.join, headers:).map do |row|
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next if rules.any? do |rule|
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rule.new(row: SurveyItemValues.new(row:, headers: headers_array, genders: nil, survey_items: nil,
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schools:)).skip_row?
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end
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process_row(row:)
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end
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end
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end
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end
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def self.from_file(file:, rules: [])
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headers = file.gets
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headers_array = headers.split(',')
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survey_item_responses = []
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until file.eof?
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line = file.gets
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next unless line.present?
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CSV.parse(line, headers:).map do |row|
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next if rules.any? do |rule|
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rule.new(row: SurveyItemValues.new(row:, headers: headers_array, genders: nil, survey_items: nil,
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schools:)).skip_row?
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end
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process_row(row:)
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end
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end
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end
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def self.process_row(row:)
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races = process_races(codes: race_codes(row:))
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response_id = row['ResponseId'] || row['Responseid'] || row['ResponseID'] ||
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row['Response ID'] || row['Response id'] || row['Response Id']
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lasid = row['LASID'] || row['lasid']
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find_or_create_student(response_id:, lasid:, races:)
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end
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def self.schools
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@schools ||= School.all.map { |school| [school.dese_id, school] }.to_h
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end
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def self.race_codes(row:)
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race_codes = row['race'] || row['RACE'] || row['Race'] || '99'
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race_codes.split(',').map(&:to_i) || []
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end
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def self.assign_student_to_responses(student:, response_id:)
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responses = SurveyItemResponse.where(response_id:)
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loadable_responses = responses.map do |response|
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response.student = student
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response
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end
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SurveyItemResponse.import(loadable_responses.flatten.compact, batch_size: 1_000, on_duplicate_key_update: :all)
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end
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def self.find_or_create_student(response_id:, lasid:, races:)
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student = Student.find_or_create_by(response_id:, lasid:)
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student.races.delete_all
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races.map do |race|
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student.races << race
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end
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assign_student_to_responses(student:, response_id:)
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end
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def self.process_races(codes:)
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races = codes.map do |code|
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code = code.to_i
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code = 99 if [6, 7].include?(code) || code.nil? || code.zero?
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Race.find_by_qualtrics_code(code)
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end.uniq
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races = add_unknown_race_if_other_races_missing(races:)
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races = remove_unknown_race_if_other_races_present(races:)
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add_multiracial_designation(races:)
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end
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def self.remove_unknown_race_if_other_races_present(races:)
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races.delete(Race.find_by_qualtrics_code(99)) if races.length > 1
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races
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end
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def self.add_multiracial_designation(races:)
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races << Race.find_by_qualtrics_code(100) if races.length > 1
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races
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end
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def self.add_unknown_race_if_other_races_missing(races:)
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races << Race.find_by_qualtrics_code(99) if races.length == 0
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races
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end
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end
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