chore:seed demographics

app/services/dashboard/sftp/race_loader.rb

@@ -0,0 +1,33 @@
+require 'net/sftp'
+require 'uri'
+require 'csv'
+
+module Sftp
+  class RaceLoader
+    def self.load_data(path: '/data/survey_responses/')
+      SurveyItemResponse.update_all(student_id: nil)
+      StudentRace.delete_all
+      Student.delete_all
+
+      sftptogo_url = ENV['SFTPTOGO_URL']
+      uri = URI.parse(sftptogo_url)
+      Net::SFTP.start(uri.host, uri.user, password: uri.password) do |sftp|
+        sftp.dir.foreach(path) do |entry|
+          filename = entry.name
+          puts filename
+
+          sftp.file.open(filepath(path:, filename:), 'r') do |f|
+            StudentLoader.from_file(file: f, rules: [Rule::SkipNonLowellSchools])
+          end
+        end
+      end
+    end
+
+    def self.filepath(path:, filename:)
+      path += '/' unless path.end_with?('/')
+      "#{path}#{filename}"
+    end
+
+    private_class_method :filepath
+  end
+end