API: ability to create a wall note

CHANGELOG

 v 3.2.0
-  - [API] create notes for snippets and issues
-  - [API] list notes for snippets and issues
-  - [API] list project wall notes
+  - [API] list, create issue notes
+  - [API] list, create snippet notes
+  - [API] list, create wall notes
   - Remove project code - use path instead
   - added username field to user
   - rake task to fill usernames based on emails create namespaces for users

doc/api/notes.md

@@ -87,6 +87,22 @@ Parameters:
 
 ## New note
 
+### New wall note
+
+Create a new wall note.
+
+```
+POST /projects/:id/notes
+```
+
+Parameters:
+
++ `id` (required) - The ID or code name of a project
++ `body` (required) - The content of a note
+
+Will return created note with status `201 Created` on success, or `404 Not found` on fail.
+
+
 ### New issue note
 
 Create a new issue note.

lib/api/notes.rb

@@ -17,6 +17,24 @@ module Gitlab
         present paginate(@notes), with: Entities::Note
       end
 
+      # Create a new project wall note
+      #
+      # Parameters:
+      #   id (required) - The ID or code name of a project
+      #   body (required) - The content of a note
+      # Example Request:
+      #   POST /projects/:id/notes
+      post ":id/notes" do
+        @note = user_project.notes.new(note: params[:body])
+        @note.author = current_user
+
+        if @note.save
+          present @note, with: Entities::Note
+        else
+          not_found!
+        end
+      end
+
       NOTEABLE_TYPES.each do |noteable_type|
         noteables_str = noteable_type.to_s.underscore.pluralize
         noteable_id_str = "#{noteable_type.to_s.underscore}_id"

spec/requests/api/notes_spec.rb

@@ -30,6 +30,14 @@ describe Gitlab::API do
     end
   end
 
+  describe "POST /projects/:id/notes" do
+    it "should create a new wall note" do
+      post api("/projects/#{project.id}/notes", user), body: 'hi!'
+      response.status.should == 201
+      json_response['body'].should == 'hi!'
+    end
+  end
+
   describe "GET /projects/:id/noteable/:noteable_id/notes" do
     context "when noteable is an Issue" do
       it "should return an array of issue notes" do