Extract commits API to separate file

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

1 files changed, 64 insertions, 0 deletions

diff --git a/lib/api/commits.rb b/lib/api/commits.rb
new file mode 100644
index 00000000000..33b8b3d2244
--- /dev/null
+++ b/lib/api/commits.rb
@@ -0,0 +1,64 @@
+require 'mime/types'
+
+module API
+  # Projects API
+  class Commits < Grape::API
+    before { authenticate! }
+    before { authorize! :download_code, user_project }
+
+    resource :projects do
+      helpers do
+        def handle_project_member_errors(errors)
+          if errors[:project_access].any?
+            error!(errors[:project_access], 422)
+          end
+          not_found!
+        end
+      end
+
+      # Get a project repository commits
+      #
+      # Parameters:
+      #   id (required) - The ID of a project
+      #   ref_name (optional) - The name of a repository branch or tag, if not given the default branch is used
+      # Example Request:
+      #   GET /projects/:id/repository/commits
+      get ":id/repository/commits" do
+        page = (params[:page] || 0).to_i
+        per_page = (params[:per_page] || 20).to_i
+        ref = params[:ref_name] || user_project.try(:default_branch) || 'master'
+
+        commits = user_project.repository.commits(ref, nil, per_page, page * per_page)
+        present commits, with: Entities::RepoCommit
+      end
+
+      # Get a specific commit of a project
+      #
+      # Parameters:
+      #   id (required) - The ID of a project
+      #   sha (required) - The commit hash or name of a repository branch or tag
+      # Example Request:
+      #   GET /projects/:id/repository/commits/:sha
+      get ":id/repository/commits/:sha" do
+        sha = params[:sha]
+        commit = user_project.repository.commit(sha)
+        not_found! "Commit" unless commit
+        present commit, with: Entities::RepoCommitDetail
+      end
+
+      # Get the diff for a specific commit of a project
+      #
+      # Parameters:
+      #   id (required) - The ID of a project
+      #   sha (required) - The commit or branch name
+      # Example Request:
+      #   GET /projects/:id/repository/commits/:sha/diff
+      get ":id/repository/commits/:sha/diff" do
+        sha = params[:sha]
+        commit = user_project.repository.commit(sha)
+        not_found! "Commit" unless commit
+        commit.diffs
+      end
+    end
+  end
+end