improve backup

app/models/admin/backup.rb

@@ -4,29 +4,39 @@ module Admin
   class Backup
     class << self
       def zip
-        create_records_xlsx
-
+        # create_records_xlsx
+        Dir.glob(Rails.root.join("storage", "*.sqlite3")).each do |entry|
+          `sqlite3 #{entry} .dump > #{entry.sub(".sqlite3", ".dump.sql")}`
+          `sqlite3 #{entry} .schema > #{entry.sub(".sqlite3", ".schema.sql")}`
+        end
         ZipFileGenerator.new(Rails.root.join("storage")).write
       end
 
       def db_xlsx
         xlsx = Axlsx::Package.new
         workbook = xlsx.workbook
+
         ActiveRecord::Base.connection.tables.each do |table|
-          klass = table.classify.safe_constantize
-          next unless klass
-
           workbook.add_worksheet(name: table) do |sheet|
-            attributes = klass.attribute_names
-            attributes += klass.rich_text_association_names if klass.respond_to?(:rich_text_association_names)
+            klass = table.classify.safe_constantize
+            if klass
+              attributes = klass.attribute_names
+              attributes += klass.rich_text_association_names.map(&:to_s) if klass.respond_to?(:rich_text_association_names)
 
-            sheet << attributes.map { _1.to_s.sub("rich_text_", "") }
-            klass.find_each do |record|
-              sheet << attributes.map { _1.starts_with?("rich_text") ? record.send(_1.to_s.sub("rich_text_", "")).body&.to_html : record.send(_1) }
+              attributes = ["id"] + attributes.reject{ _1 == "id"}
+                                            .sort { _1.sub("rich_text_", "") <=> _2.sub("rich_text_", "") }
+
+              sheet << attributes.map { _1.sub("rich_text_", "") }
+              klass.find_each do |record|
+                sheet << attributes.map { _1.starts_with?("rich_text") ? record.send(_1.to_s.sub("rich_text_", "")).body&.to_html : record.send(_1) }
+              end
+            else
+              # TODO: Add "raw table data"
             end
           end
         end
-        path = Rails.root.join("storage/data.xls")
+
+        path = file_path("data.xls")
         xlsx.serialize(path)
         path
       end