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90 lines
2.5 KiB
90 lines
2.5 KiB
# frozen_string_literal: true
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require "csv"
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class StaffingLoader
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def self.load_data(filepath:)
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respondents = []
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CSV.parse(File.read(filepath), headers: true) do |row|
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row = StaffingRowValues.new(row:)
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next unless row.school.present? && row.academic_years.size.positive?
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respondents.concat(create_staffing_entry(row:))
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end
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Respondent.import respondents, batch_size: 1000, on_duplicate_key_update: [:total_teachers]
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end
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def self.clone_previous_year_data
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respondents = []
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School.all.each do |school|
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academic_years_without_data(school:).each do |academic_year|
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year_with_data = last_academic_year_with_data(school:)
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respondent = Respondent.where(school:, academic_year: year_with_data).first
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next if respondent.nil?
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current_respondent = Respondent.find_or_initialize_by(school:, academic_year:)
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if current_respondent.total_teachers.nil? || current_respondent.total_teachers.zero?
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current_respondent.total_teachers = respondent.total_teachers
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end
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respondents << current_respondent
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end
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end
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Respondent.import respondents, batch_size: 1000, on_duplicate_key_update: [:total_teachers]
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end
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private
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def self.create_staffing_entry(row:)
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row.academic_years.map do |academic_year|
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respondent = Respondent.find_or_initialize_by(school: row.school, academic_year:)
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respondent.total_teachers = row.fte_count
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respondent
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end
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end
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def self.last_academic_year_with_data(school:)
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AcademicYear.all.order(range: :DESC).find do |academic_year|
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respondents = Respondent.find_by(school:, academic_year:)
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respondents&.total_teachers&.positive?
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end
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end
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def self.academic_years_without_data(school:)
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AcademicYear.all.order(range: :DESC).select do |academic_year|
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respondents = Respondent.find_by(school:, academic_year:)
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respondents.nil? || respondents.total_teachers.nil? || respondents.total_teachers.zero?
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end
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end
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private_class_method :last_academic_year_with_data
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private_class_method :academic_years_without_data
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private_class_method :create_staffing_entry
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end
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class StaffingRowValues
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attr_reader :row
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def initialize(row:)
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@row = row
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end
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def school
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@school ||= begin
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dese_id = row["DESE ID"].strip.to_i
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School.find_by_dese_id(dese_id)
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end
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end
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def academic_years
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@academic_year ||= begin
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year = row["Academic Year"]
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AcademicYear.of_year(year)
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end
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end
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def fte_count
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row["FTE Count"]
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end
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end
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