add issues API

lib/api.rb

@@ -15,5 +15,6 @@ module Gitlab
 
     mount Users
     mount Projects
+    mount Issues
   end
 end

lib/api/entities.rb

@@ -25,5 +25,17 @@ module Gitlab
       expose :author, :using => Entities::UserBasic
       expose :expires_at, :updated_at, :created_at
     end
+
+    class Milestone < Grape::Entity
+      expose :id, :title, :description, :due_date, :closed, :updated_at, :created_at
+    end
+
+    class Issue < Grape::Entity
+      expose :id, :title, :description
+      expose :label_list, :as => :labels
+      expose :milestone, :using => Entities::Milestone
+      expose :assignee, :author, :using => Entities::UserBasic
+      expose :closed, :updated_at, :created_at
+    end
   end
 end

lib/api/issues.rb

@@ -0,0 +1,111 @@
+module Gitlab
+  # Issues API
+  class Issues < Grape::API
+    before { authenticate! }
+
+    resource :issues do
+      # Get currently authenticated user's issues
+      #
+      # Example Request:
+      #   GET /issues
+      get do
+        present current_user.issues, :with => Entities::Issue
+      end
+    end
+
+    resource :projects do
+      # Get a list of project issues
+      #
+      # Parameters:
+      #   id (required) - The code name of a project
+      # Example Request:
+      #   GET /projects/:id/issues
+      get ":id/issues" do
+        present user_project.issues, :with => Entities::Issue
+      end
+
+      # Get a single project issue
+      #
+      # Parameters:
+      #   id (required) - The code name of a project
+      #   issue_id (required) - The ID of a project issue
+      # Example Request:
+      #   GET /projects/:id/issues/:issue_id
+      get ":id/issues/:issue_id" do
+        @issue = user_project.issues.find(params[:issue_id])
+        present @issue, :with => Entities::Issue
+      end
+
+      # Create a new project issue
+      #
+      # Parameters:
+      #   id (required) - The code name of a project
+      #   title (required) - The title of an issue
+      #   description (optional) - The description of an issue
+      #   assignee_id (optional) - The ID of a user to assign issue
+      #   milestone_id (optional) - The ID of a milestone to assign issue
+      #   labels (optional) - The labels of an issue
+      # Example Request:
+      #   POST /projects/:id/issues
+      post ":id/issues" do
+        @issue = user_project.issues.new(
+          :title        => params[:title],
+          :description  => params[:description],
+          :assignee_id  => params[:assignee_id],
+          :milestone_id => params[:milestone_id],
+          :label_list   => params[:labels]
+        )
+        @issue.author = current_user
+
+        if @issue.save
+          present @issue, :with => Entities::Issue
+        else
+          error!({'message' => '404 Not found'}, 404)
+        end
+      end
+
+      # Update an existing issue
+      #
+      # Parameters:
+      #   id (required) - The code name of a project
+      #   issue_id (required) - The ID of a project issue
+      #   title (optional) - The title of an issue
+      #   description (optional) - The description of an issue
+      #   assignee_id (optional) - The ID of a user to assign issue
+      #   milestone_id (optional) - The ID of a milestone to assign issue
+      #   labels (optional) - The labels of an issue
+      #   closed (optional) - The state of an issue (0 = false, 1 = true)
+      # Example Request:
+      #   PUT /projects/:id/issues/:issue_id
+      put ":id/issues/:issue_id" do
+        @issue = user_project.issues.find(params[:issue_id])
+        parameters = {
+          :title        => (params[:title] || @issue.title),
+          :description  => (params[:description] || @issue.description),
+          :assignee_id  => (params[:assignee_id] || @issue.assignee_id),
+          :milestone_id => (params[:milestone_id] || @issue.milestone_id),
+          :label_list   => (params[:labels] || @issue.label_list),
+          :closed       => (params[:closed] || @issue.closed)
+        }
+
+        if @issue.update_attributes(parameters)
+          present @issue, :with => Entities::Issue
+        else
+          error!({'message' => '404 Not found'}, 404)
+        end
+      end
+
+      # Delete a project issue
+      #
+      # Parameters:
+      #   id (required) - The code name of a project
+      #   issue_id (required) - The ID of a project issue
+      # Example Request:
+      #   DELETE /projects/:id/issues/:issue_id
+      delete ":id/issues/:issue_id" do
+        @issue = user_project.issues.find(params[:issue_id])
+        @issue.destroy
+      end
+    end
+  end
+end