1 files changed, 55 insertions, 0 deletions
diff --git a/lib/gitlab/github_import/importer/releases_importer.rb b/lib/gitlab/github_import/importer/releases_importer.rb
new file mode 100644
index 00000000000..100f459fdcc
--- /dev/null
+++ b/lib/gitlab/github_import/importer/releases_importer.rb
@@ -0,0 +1,55 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module GithubImport
+    module Importer
+      class ReleasesImporter
+        include BulkImporting
+
+        attr_reader :project, :client, :existing_tags
+
+        # project - An instance of `Project`
+        # client - An instance of `Gitlab::GithubImport::Client`
+        def initialize(project, client)
+          @project = project
+          @client = client
+          @existing_tags = project.releases.pluck(:tag).to_set
+        end
+
+        def execute
+          bulk_insert(Release, build_releases)
+        end
+
+        def build_releases
+          build_database_rows(each_release)
+        end
+
+        def already_imported?(release)
+          existing_tags.include?(release.tag_name)
+        end
+
+        def build(release)
+          {
+            tag: release.tag_name,
+            description: description_for(release),
+            created_at: release.created_at,
+            updated_at: release.updated_at,
+            project_id: project.id
+          }
+        end
+
+        def each_release
+          client.releases(project.import_source)
+        end
+
+        def description_for(release)
+          if release.body.present?
+            release.body
+          else
+            "Release for tag #{release.tag_name}"
+          end
+        end
+      end
+    end
+  end
+end