Migrate procedure logo to active_storage

lib/tasks/2019_08_20_migrate_procedure_logo.rake

@@ -0,0 +1,33 @@
+namespace :'2019_08_20_migrate_procedure_logo' do
+  task run: :environment do
+    procedures = Procedure.where
+      .not(logo: nil)
+      .left_joins(:logo_new_attachment)
+      .where('active_storage_attachments.id IS NULL')
+      .order(:created_at)
+
+    limit = ENV['LIMIT']
+    if limit
+      procedures.limit!(limit.to_i)
+    end
+
+    progress = ProgressReport.new(procedures.count)
+    procedures.find_each do |procedure|
+      if procedure.logo.present?
+        uri = URI.parse(URI.escape(procedure.logo_url))
+        response = Typhoeus.get(uri)
+        if response.success?
+          filename = procedure.logo.filename || procedure.logo_identifier
+          procedure.logo_new.attach(
+            io: StringIO.new(response.body),
+            filename: filename,
+            content_type: procedure.logo.content_type,
+            metadata: { virus_scan_result: ActiveStorage::VirusScanner::SAFE }
+          )
+        end
+      end
+      progress.inc
+    end
+    progress.finish
+  end
+end