merge request entity

app/controllers/merge_requests_controller.rb

@@ -0,0 +1,73 @@
+class MergeRequestsController < ApplicationController
+  before_filter :authenticate_user!
+  before_filter :project
+  before_filter :merge_request, :only => [:edit, :update, :destroy, :show]
+  layout "project"
+
+  # Authorize
+  before_filter :add_project_abilities
+  before_filter :authorize_read_project!
+  before_filter :authorize_write_project!, :only => [:new, :create, :edit, :update]
+
+  def index
+    @merge_requests = @project.merge_requests.all
+  end
+
+  def show
+    unless @project.repo.heads.map(&:name).include?(@merge_request.target_branch) && 
+      @project.repo.heads.map(&:name).include?(@merge_request.source_branch)
+      head(404)and return 
+    end
+
+    @commits = @project.repo.commits_between(@merge_request.target_branch, @merge_request.source_branch).map {|c| Commit.new(c)}
+  end
+
+  def new
+    @merge_request = @project.merge_requests.new
+  end
+
+  def edit
+  end
+
+  def create
+    @merge_request = @project.merge_requests.new(params[:merge_request])
+    @merge_request.author = current_user
+
+    respond_to do |format|
+      if @merge_request.save
+        format.html { redirect_to [@project, @merge_request], notice: 'Merge request was successfully created.' }
+        format.json { render json: @merge_request, status: :created, location: @merge_request }
+      else
+        format.html { render action: "new" }
+        format.json { render json: @merge_request.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+  def update
+    respond_to do |format|
+      if @merge_request.update_attributes(params[:merge_request])
+        format.html { redirect_to [@project, @merge_request], notice: 'Merge request was successfully updated.' }
+        format.json { head :ok }
+      else
+        format.html { render action: "edit" }
+        format.json { render json: @merge_request.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+  def destroy
+    @merge_request.destroy
+
+    respond_to do |format|
+      format.html { redirect_to project_merge_requests_url(@project) }
+      format.json { head :ok }
+    end
+  end
+
+  protected
+
+  def merge_request
+    @merge_request ||= @project.merge_requests.find(params[:id])
+  end
+end