Merge branch '21569-dont-add-created-by-for-matched-users' into 'master'

Only add original author tag line when importing from GitHub if there isn't a linked GitLab account

## What does this MR do?
If there we've found a linked GitLab user for a creator of an issue or comment don't add the 'Created By:' line.

## What are the relevant issue numbers?

Closes #21569

See merge request !6081

CHANGELOG

@@ -89,6 +89,7 @@ v 8.12.0 (unreleased)
   - Fix repo title alignment (ClemMakesApps)
   - Change update interval of contacted_at
   - Fix branch title trailing space on hover (ClemMakesApps)
+  - Don't include 'Created By' tag line when importing from GitHub if there is a linked GitLab account (EspadaV8)
   - Award emoji tooltips containing more than 10 usernames are now truncated !4780 (jlogandavison)
   - Fix duplicate "me" in award emoji tooltip !5218 (jlogandavison)
   - Order award emoji tooltips in order they were added (EspadaV8)

lib/gitlab/github_import/base_formatter.rb

@@ -20,6 +20,11 @@ module Gitlab
           find_by("identities.extern_uid = ? AND identities.provider = 'github'", github_id.to_s).
           try(:id)
       end
+
+      def gitlab_author_id
+        return @gitlab_author_id if defined?(@gitlab_author_id)
+        @gitlab_author_id = gitlab_user_id(raw_data.user.id)
+      end
     end
   end
 end

lib/gitlab/github_import/comment_formatter.rb

@@ -21,7 +21,7 @@ module Gitlab
       end
       def author_id
-        gitlab_user_id(raw_data.user.id) || project.creator_id
+        gitlab_author_id || project.creator_id
       end
       def body
@@ -52,7 +52,11 @@ module Gitlab
       end
       def note
-        formatter.author_line(author) + body
+        if gitlab_author_id
+          body
+        else
+          formatter.author_line(author) + body
+        end
       end
       def type

lib/gitlab/github_import/issue_formatter.rb

@@ -49,7 +49,7 @@ module Gitlab
       end
       def author_id
-        gitlab_user_id(raw_data.user.id) || project.creator_id
+        gitlab_author_id || project.creator_id
       end
       def body
@@ -57,7 +57,11 @@ module Gitlab
       end
       def description
-        @formatter.author_line(author) + body
+        if gitlab_author_id
+          body
+        else
+          formatter.author_line(author) + body
+        end
       end
       def milestone

lib/gitlab/github_import/pull_request_formatter.rb

@@ -77,7 +77,7 @@ module Gitlab
       end
       def author_id
-        gitlab_user_id(raw_data.user.id) || project.creator_id
+        gitlab_author_id || project.creator_id
       end
       def body
@@ -85,7 +85,11 @@ module Gitlab
       end
       def description
-        formatter.author_line(author) + body
+        if gitlab_author_id
+          body
+        else
+          formatter.author_line(author) + body
+        end
       end
       def milestone

spec/lib/gitlab/github_import/comment_formatter_spec.rb

@@ -73,6 +73,12 @@ describe Gitlab::GithubImport::CommentFormatter, lib: true do
         gl_user = create(:omniauth_user, extern_uid: octocat.id, provider: 'github')
         expect(comment.attributes.fetch(:author_id)).to eq gl_user.id
       end
+
+      it 'returns note without created at tag line' do
+        create(:omniauth_user, extern_uid: octocat.id, provider: 'github')
+
+        expect(comment.attributes.fetch(:note)).to eq("I'm having a problem with this.")
+      end
     end
   end
 end

spec/lib/gitlab/github_import/issue_formatter_spec.rb

@@ -109,6 +109,12 @@ describe Gitlab::GithubImport::IssueFormatter, lib: true do
         expect(issue.attributes.fetch(:author_id)).to eq gl_user.id
       end
+
+      it 'returns description without created at tag line' do
+        create(:omniauth_user, extern_uid: octocat.id, provider: 'github')
+
+        expect(issue.attributes.fetch(:description)).to eq("I'm having a problem with this.")
+      end
     end
   end

spec/lib/gitlab/github_import/pull_request_formatter_spec.rb

@@ -140,6 +140,12 @@ describe Gitlab::GithubImport::PullRequestFormatter, lib: true do
         expect(pull_request.attributes.fetch(:author_id)).to eq gl_user.id
       end
+
+      it 'returns description without created at tag line' do
+        create(:omniauth_user, extern_uid: octocat.id, provider: 'github')
+
+        expect(pull_request.attributes.fetch(:description)).to eq('Please pull these awesome changes')
+      end
     end
     context 'when it has a milestone' do