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sqm-dashboards/app/services/dese/loader.rb

89 lines
2.7 KiB

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