1 files changed, 48 insertions, 0 deletions
diff --git a/app/controllers/projects/issue_links_controller.rb b/app/controllers/projects/issue_links_controller.rb
new file mode 100644
index 00000000000..2f7489373ed
--- /dev/null
+++ b/app/controllers/projects/issue_links_controller.rb
@@ -0,0 +1,48 @@
+# frozen_string_literal: true
+
+module Projects
+  class IssueLinksController < Projects::ApplicationController
+    include IssuableLinks
+
+    before_action :authorize_admin_issue_link!, only: [:create, :destroy]
+    before_action :authorize_issue_link_association!, only: :destroy
+
+    private
+
+    def authorize_admin_issue_link!
+      render_403 unless can?(current_user, :admin_issue_link, @project)
+    end
+
+    def authorize_issue_link_association!
+      render_404 if link.target != issue && link.source != issue
+    end
+
+    # rubocop: disable CodeReuse/ActiveRecord
+    def issue
+      @issue ||=
+        IssuesFinder.new(current_user, project_id: @project.id)
+                    .find_by!(iid: params[:issue_id])
+    end
+    # rubocop: enable CodeReuse/ActiveRecord
+
+    def list_service
+      IssueLinks::ListService.new(issue, current_user)
+    end
+
+    def create_service
+      IssueLinks::CreateService.new(issue, current_user, create_params)
+    end
+
+    def destroy_service
+      IssueLinks::DestroyService.new(link, current_user)
+    end
+
+    def link
+      @link ||= IssueLink.find(params[:id])
+    end
+
+    def create_params
+      params.permit(:link_type, issuable_references: [])
+    end
+  end
+end