Merge branch 'api-star-project' into 'master'

API: Star and unstar a project

Add two new endpoints `POST /projects/:id/star` and `POST /projects/:id/unstar` to star and unstar a project.

* Closes #12739


See merge request !3578

2 files changed, 38 insertions, 0 deletions

diff --git a/lib/api/helpers.rb b/lib/api/helpers.rb
index 96af7d7675c..5bbf721321d 100644
--- a/lib/api/helpers.rb
+++ b/lib/api/helpers.rb
@@ -240,6 +240,10 @@ module API
       render_api_error!('413 Request Entity Too Large', 413)
     end
 
+    def not_modified!
+      render_api_error!('304 Not Modified', 304)
+    end
+
     def render_validation_error!(model)
       if model.errors.any?
         render_api_error!(model.errors.messages || '400 Bad Request', 400)
diff --git a/lib/api/projects.rb b/lib/api/projects.rb
index 24b31005475..cc2c7a0c503 100644
--- a/lib/api/projects.rb
+++ b/lib/api/projects.rb
@@ -272,6 +272,40 @@ module API
         present user_project, with: Entities::Project
       end
 
+      # Star project
+      #
+      # Parameters:
+      #   id (required) - The ID of a project
+      # Example Request:
+      #   POST /projects/:id/star
+      post ':id/star' do
+        if current_user.starred?(user_project)
+          not_modified!
+        else
+          current_user.toggle_star(user_project)
+          user_project.reload
+
+          present user_project, with: Entities::Project
+        end
+      end
+
+      # Unstar project
+      #
+      # Parameters:
+      #   id (required) - The ID of a project
+      # Example Request:
+      #   DELETE /projects/:id/star
+      delete ':id/star' do
+        if current_user.starred?(user_project)
+          current_user.toggle_star(user_project)
+          user_project.reload
+
+          present user_project, with: Entities::Project
+        else
+          not_modified!
+        end
+      end
+
       # Remove project
       #
       # Parameters: