Move tag services to `Tags` namespace

CreateTagService and DeleteTagService where in root namespace, by
following service code organization I moved them in Tags::CreateService
and Tags::DestroyService

2 files changed, 76 insertions, 0 deletions

diff --git a/app/services/tags/create_service.rb b/app/services/tags/create_service.rb
new file mode 100644
index 00000000000..1756da9e519
--- /dev/null
+++ b/app/services/tags/create_service.rb
@@ -0,0 +1,32 @@
+module Tags
+  class CreateService < BaseService
+    def execute(tag_name, target, message, release_description = nil)
+      valid_tag = Gitlab::GitRefValidator.validate(tag_name)
+      return error('Tag name invalid') unless valid_tag
+
+      repository = project.repository
+      message&.strip!
+
+      new_tag = nil
+
+      begin
+        new_tag = repository.add_tag(current_user, tag_name, target, message)
+      rescue Rugged::TagError
+        return error("Tag #{tag_name} already exists")
+      rescue GitHooksService::PreReceiveError => ex
+        return error(ex.message)
+      end
+
+      if new_tag
+        if release_description
+          CreateReleaseService.new(@project, @current_user).
+            execute(tag_name, release_description)
+        end
+
+        success.merge(tag: new_tag)
+      else
+        error("Target #{target} is invalid")
+      end
+    end
+  end
+end
diff --git a/app/services/tags/destroy_service.rb b/app/services/tags/destroy_service.rb
new file mode 100644
index 00000000000..910b4f5e361
--- /dev/null
+++ b/app/services/tags/destroy_service.rb
@@ -0,0 +1,44 @@
+module Tags
+  class DestroyService < BaseService
+    def execute(tag_name)
+      repository = project.repository
+      tag = repository.find_tag(tag_name)
+
+      unless tag
+        return error('No such tag', 404)
+      end
+
+      if repository.rm_tag(current_user, tag_name)
+        release = project.releases.find_by(tag: tag_name)
+        release&.destroy
+
+        push_data = build_push_data(tag)
+        EventCreateService.new.push(project, current_user, push_data)
+        project.execute_hooks(push_data.dup, :tag_push_hooks)
+        project.execute_services(push_data.dup, :tag_push_hooks)
+
+        success('Tag was removed')
+      else
+        error('Failed to remove tag')
+      end
+    end
+
+    def error(message, return_code = 400)
+      super(message).merge(return_code: return_code)
+    end
+
+    def success(message)
+      super().merge(message: message)
+    end
+
+    def build_push_data(tag)
+      Gitlab::DataBuilder::Push.build(
+        project,
+        current_user,
+        tag.dereferenced_target.sha,
+        Gitlab::Git::BLANK_SHA,
+        "#{Gitlab::Git::TAG_REF_PREFIX}#{tag.name}",
+        [])
+    end
+  end
+end