From de12eba25c840a533cd7fa8edddc5fb3b96634f8 Mon Sep 17 00:00:00 2001
From: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Date: Wed, 8 May 2013 19:40:31 +0300
Subject: [PATCH] Dont show fork button in personal projects. Point to fork if
 already forked project

---
 app/models/ability.rb                     |  1 -
 app/models/user.rb                        | 14 ++++++++++++++
 app/views/projects/_clone_panel.html.haml | 12 ++++++++----
 app/views/projects/show.html.haml         |  4 ++++
 4 files changed, 26 insertions(+), 5 deletions(-)

diff --git a/app/models/ability.rb b/app/models/ability.rb
index cad5a832978..8f0a6141b75 100644
--- a/app/models/ability.rb
+++ b/app/models/ability.rb
@@ -69,7 +69,6 @@ class Ability
         :download_code,
         :write_snippet,
         :fork_project
-
       ]
     end
 
diff --git a/app/models/user.rb b/app/models/user.rb
index 1d90ec3b37a..55aa5b563c5 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -326,4 +326,18 @@ class User < ActiveRecord::Base
   def tm_of(project)
     project.team_member_by_id(self.id)
   end
+
+  def already_forked? project
+    !!fork_of(project)
+  end
+
+  def fork_of project
+    links = ForkedProjectLink.where(forked_from_project_id: project, forked_to_project_id: personal_projects)
+
+    if links.any?
+      links.first.forked_to_project
+    else
+      nil
+    end
+  end
 end
diff --git a/app/views/projects/_clone_panel.html.haml b/app/views/projects/_clone_panel.html.haml
index f1f8bac3862..8bc90a264d7 100644
--- a/app/views/projects/_clone_panel.html.haml
+++ b/app/views/projects/_clone_panel.html.haml
@@ -5,10 +5,14 @@
     .span3.pull-right
       .pull-right
         - unless @project.empty_repo?
-          - if can? current_user, :fork_project, @project
-            = link_to fork_project_path(@project), title: "Fork", class: "btn grouped", method: "POST" do
-              %i.icon-copy
-              Fork
+          - if can?(current_user, :fork_project, @project) && @project.namespace != current_user.namespace
+            - if current_user.already_forked?(@project)
+              = link_to project_path(current_user.fork_of(@project)), class: 'btn grouped success' do
+                Forked
+            - else
+              = link_to fork_project_path(@project), title: "Fork", class: "btn grouped", method: "POST" do
+                %i.icon-copy
+                Fork
           - if can? current_user, :download_code, @project
             = link_to archive_project_repository_path(@project), class: "btn grouped" do
               %i.icon-download-alt
diff --git a/app/views/projects/show.html.haml b/app/views/projects/show.html.haml
index 2341a727bd7..6ee2e3827b2 100644
--- a/app/views/projects/show.html.haml
+++ b/app/views/projects/show.html.haml
@@ -40,3 +40,7 @@
       %p Repo Size: #{@project.repository.size} MB
       %p Created at: #{@project.created_at.stamp('Aug 22, 2013')}
       %p Owner: #{link_to @project.owner_name, @project.owner}
+      - if @project.forked_from_project
+        %p
+          Forked from:
+          = link_to @project.forked_from_project.name_with_namespace, project_path(@project.forked_from_project)