Adding support for creating, updating, and commenting on merge requests.

lib/gitlab/client/merge_requests.rb

@@ -28,5 +28,83 @@ def merge_requests(project, options={})
     def merge_request(project, id)
       get("/projects/#{project}/merge_request/#{id}")
     end
+
+    # Create a merge request.
+    #
+    # @example
+    #   Gitlab.create_merge_request(5,
+    #     :source_branch => 'feature_1',
+    #     :target_branch => 'master',
+    #     :title         => 'New feature.'
+    #   )
+    #   Gitlab.create_merge_request('gitlab',
+    #     :source_branch => 'feature_1',
+    #     :target_branch => 'master',
+    #     :title         => 'New feature.',
+    #     :assignee_id   => 1
+    #   )
+    #
+    # @param  [Integer, String] project The ID or code name of a project.
+    # @param  [Hash] containing attributes to post.
+    # @return [Array<Gitlab::ObjectifiedHash>]
+    #
+    # Accepts source_branch, target_branch, assignee_id, & title in params.
+    def create_merge_request(project, params={})
+
+      raise("Attribute source_branch is required.") unless params.has_key?(:source_branch)
+      raise("Attribute target_branch is required.") unless params.has_key?(:target_branch)
+      raise("Attribute title is required.")         unless params.has_key?(:title)
+
+      post("/projects/#{project}/merge_requests",
+        :body => params
+      )
+    end
+
+    # Update a merge request.
+    #
+    # @example
+    #   Gitlab.update_merge_request(5, 3,
+    #     :source_branch => 'feature_1',
+    #     :target_branch => 'master',
+    #     :title         => 'New feature.'
+    #   )
+    #   Gitlab.update_merge_request('gitlab', 3,
+    #     :source_branch => 'feature_1',
+    #     :target_branch => 'master',
+    #     :title         => 'New feature.',
+    #     :assignee_id   => 1
+    #   )
+    #
+    # @param  [Integer, String] project The ID or code name of a project.
+    # @param  [Hash] containing attributes to post.
+    # @return [Array<Gitlab::ObjectifiedHash>]
+    #
+    # Accepts source_branch, target_branch, assignee_id, & title in params.
+    def update_merge_request(project, merge_id, params={})
+      put("/projects/#{project}/merge_request/#{merge_id}",
+        :body => params
+      )
+    end
+
+    # Comment on a merge request.
+    #
+    # @example
+    #   Gitlab.comment_merge_request(5, 1, "Awesome merge!")
+    #   Gitlab.comment_merge_request('gitlab', 1, "Awesome merge!")
+    #
+    # @param  [Integer, String] project The ID or code name of a project.
+    # @param  [Hash] containing attributes to post.
+    # @return [Array<Gitlab::ObjectifiedHash>]
+    #
+    # Accepts note (And alias, comment)
+    def comment_merge_request(project, merge_id, params={})
+      params[:note] = params[:comment]     if params.has_key?(:comment)
+      raise("Attribute note is required.") unless params.has_key?(:note)
+
+      post("/projects/#{project}/merge_request/#{merge_id}/comments",
+        :body => params
+      )
+    end
+
   end
 end