You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
116 lines
3.7 KiB
116 lines
3.7 KiB
# frozen_string_literal: true
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class SurveyResponsesDataLoader
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def self.load_data(filepath:, rules: [Rule::NoRule])
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File.open(filepath) do |file|
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headers = file.first
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headers_array = CSV.parse(headers).first
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genders = Gender.gender_hash
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schools = School.school_hash
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incomes = Income.by_designation
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all_survey_items = survey_items(headers:)
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file.lazy.each_slice(500) do |lines|
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survey_item_responses = CSV.parse(lines.join, headers:).map do |row|
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process_row(row: SurveyItemValues.new(row:, headers: headers_array, genders:, survey_items: all_survey_items, schools:),
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rules:, incomes:)
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end
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SurveyItemResponse.import survey_item_responses.compact.flatten, batch_size: 500
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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 = CSV.parse(headers).first
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genders = Gender.gender_hash
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schools = School.school_hash
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incomes = Income.by_designation
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all_survey_items = survey_items(headers:)
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survey_item_responses = []
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row_count = 0
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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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survey_item_responses << process_row(row: SurveyItemValues.new(row:, headers: headers_array, genders:, survey_items: all_survey_items, schools:),
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rules:, incomes:)
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end
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row_count += 1
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next unless row_count == 1000
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SurveyItemResponse.import survey_item_responses.compact.flatten, batch_size: 1000
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survey_item_responses = []
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row_count = 0
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end
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SurveyItemResponse.import survey_item_responses.compact.flatten, batch_size: 1000
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end
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private
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def self.process_row(row:, rules:, incomes:)
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return unless row.dese_id?
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return unless row.school.present?
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rules.each do |rule|
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return if rule.new(row:).skip_row?
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end
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process_survey_items(row:, incomes:)
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end
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def self.process_survey_items(row:, incomes:)
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row.survey_items.map do |survey_item|
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likert_score = row.likert_score(survey_item_id: survey_item.survey_item_id) || next
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unless likert_score.valid_likert_score?
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puts "Response ID: #{row.response_id}, Likert score: #{likert_score} rejected" unless likert_score == 'NA'
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next
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end
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response = row.survey_item_response(survey_item:)
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create_or_update_response(survey_item_response: response, likert_score:, row:, survey_item:, incomes:)
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end.compact
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end
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def self.create_or_update_response(survey_item_response:, likert_score:, row:, survey_item:, incomes:)
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gender = row.gender
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grade = row.grade
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income = incomes[row.income]
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if survey_item_response.present?
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survey_item_response.update!(likert_score:, grade:, gender:, recorded_date: row.recorded_date, income:)
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[]
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else
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SurveyItemResponse.new(response_id: row.response_id, academic_year: row.academic_year, school: row.school, survey_item:,
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likert_score:, grade:, gender:, recorded_date: row.recorded_date, income:)
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end
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end
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def self.survey_items(headers:)
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SurveyItem.where(survey_item_id: get_survey_item_ids_from_headers(headers:))
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end
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def self.get_survey_item_ids_from_headers(headers:)
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CSV.parse(headers, headers: true).headers
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.filter(&:present?)
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.filter { |header| header.start_with? 't-', 's-' }
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end
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private_class_method :process_row
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private_class_method :process_survey_items
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private_class_method :create_or_update_response
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private_class_method :survey_items
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private_class_method :get_survey_item_ids_from_headers
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end
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module StringMonkeyPatches
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def valid_likert_score?
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to_i.between? 1, 5
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end
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end
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String.include StringMonkeyPatches
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