add project snippets API

lib/api/entities.rb

@@ -19,5 +19,11 @@ module Gitlab
     class ProjectRepositoryTags < Grape::Entity
       expose :name, :commit
     end
+
+    class ProjectSnippet < Grape::Entity
+      expose :id, :title, :file_name
+      expose :author, :using => Entities::User
+      expose :expires_at, :updated_at, :created_at
+    end
   end
 end

lib/api/projects.rb

@@ -45,6 +45,59 @@ module Gitlab
         @project = current_user.projects.find_by_code(params[:id])
         present @project.repo.tags.sort_by(&:name).reverse, :with => Entities::ProjectRepositoryTags
       end
+
+      # Get a project snippet
+      #
+      # Parameters:
+      #   id (required) - The code of a project
+      #   snippet_id (required) - The ID of a project snippet
+      # Example Request:
+      #   GET /projects/:id/snippets/:snippet_id
+      get ":id/snippets/:snippet_id" do
+        @project = current_user.projects.find_by_code(params[:id])
+        @snippet = @project.snippets.find(params[:snippet_id])
+        present @snippet, :with => Entities::ProjectSnippet
+      end
+
+      # Create a new project snippet
+      #
+      # Parameters:
+      #   id (required) - The code name of a project
+      #   title (required) - The title of a snippet
+      #   file_name (required) - The name of a snippet file
+      #   lifetime (optional) - The expiration date of a snippet
+      #   code (required) - The content of a snippet
+      # Example Request:
+      #   POST /projects/:id/snippets
+      post ":id/snippets" do
+        @project = current_user.projects.find_by_code(params[:id])
+        @snippet = @project.snippets.new(
+          :title      => params[:title],
+          :file_name  => params[:file_name],
+          :expires_at => params[:lifetime],
+          :content    => params[:code]
+        )
+        @snippet.author = current_user
+
+        if @snippet.save
+          present @snippet, :with => Entities::ProjectSnippet
+        else
+          error!({'message' => '404 Not found'}, 404)
+        end
+      end
+
+      # Delete a project snippet
+      #
+      # Parameters:
+      #   id (required) - The code of a project
+      #   snippet_id (required) - The ID of a project snippet
+      # Example Request:
+      #   DELETE /projects/:id/snippets/:snippet_id
+      delete ":id/snippets/:snippet_id" do
+        @project = current_user.projects.find_by_code(params[:id])
+        @snippet = @project.snippets.find(params[:snippet_id])
+        @snippet.destroy
+      end
     end
   end
 end

spec/api/projects_spec.rb

@@ -3,6 +3,7 @@ require 'spec_helper'
 describe Gitlab::API do
   let(:user) { Factory :user }
   let!(:project) { Factory :project, :owner => user }
+  let!(:snippet) { Factory :snippet, :author => user, :project => project }
   before { project.add_access(user, :read) }
   describe "GET /projects" do
@@ -52,4 +53,31 @@ describe Gitlab::API do
       json.first['name'].should == project.repo.tags.sort_by(&:name).reverse.first.name
     end
   end
+
+  describe "GET /projects/:id/snippets/:snippet_id" do
+    it "should return a project snippet" do
+      get "/api/projects/#{project.code}/snippets/#{snippet.id}?private_token=#{user.private_token}"
+      response.status.should == 200
+      json = JSON.parse(response.body)
+      json['title'].should == snippet.title
+    end
+  end
+
+  describe "POST /projects/:id/snippets" do
+    it "should create a new project snippet" do
+      post "/api/projects/#{project.code}/snippets?private_token=#{user.private_token}",
+        :title => 'api test', :file_name => 'sample.rb', :code => 'test'
+      response.status.should == 201
+      json = JSON.parse(response.body)
+      json['title'].should == 'api test'
+    end
+  end
+
+  describe "DELETE /projects/:id/snippets/:snippet_id" do
+    it "should create a new project snippet" do
+      expect {
+        delete "/api/projects/#{project.code}/snippets/#{snippet.id}?private_token=#{user.private_token}"
+      }.should change { Snippet.count }.by(-1)
+    end
+  end
 end