Issue tracker field added to projects

app/helpers/issues_helper.rb

@@ -40,4 +40,31 @@ module IssuesHelper
   def issues_active_milestones
     @project.milestones.active.order("id desc").all
   end
+
+  def url_for_issue(issue_id)
+    if @project.issues_tracker ==  Project.issues_tracker.default_value
+      url = project_issue_url project_id: @project, id: issue_id
+    else
+      url = Settings[:issues_tracker][@project.issues_tracker]["issues_url"]
+      url.gsub(':id', issue_id.to_s).gsub(':project_id', @project.id.to_s)
+    end
+  end
+
+  def title_for_issue(issue_id)
+    if issue = @project.issues.where(id: issue_id).first
+      issue.title
+    else
+      ""
+    end
+  end
+
+  def issue_exists?(issue_id)
+    return false if @project.nil?
+
+    if @project.issues_tracker == Project.issues_tracker.default_value
+      @project.issues.where(id: issue_id).first.present?
+    else
+      true
+    end
+  end
 end

app/models/project.rb

@@ -11,6 +11,7 @@
 #  creator_id             :integer
 #  default_branch         :string(255)
 #  issues_enabled         :boolean          default(TRUE), not null
+#  issues_tracker         :string           not null
 #  wall_enabled           :boolean          default(TRUE), not null
 #  merge_requests_enabled :boolean          default(TRUE), not null
 #  wiki_enabled           :boolean          default(TRUE), not null
@@ -22,10 +23,11 @@ require "grit"
 
 class Project < ActiveRecord::Base
   include Gitolited
+  extend Enumerize
 
   class TransferError < StandardError; end
 
-  attr_accessible :name, :path, :description, :default_branch,
+  attr_accessible :name, :path, :description, :default_branch, :issues_tracker,
     :issues_enabled, :wall_enabled, :merge_requests_enabled,
     :wiki_enabled, :public, :import_url, as: [:default, :admin]
 
@@ -93,6 +95,8 @@ class Project < ActiveRecord::Base
   scope :joined, ->(user) { where("namespace_id != ?", user.namespace_id) }
   scope :public_only, -> { where(public: true) }
 
+  enumerize :issues_tracker, :in => (Settings[:issues_tracker].keys).append(:gitlab), :default => :gitlab
+
   class << self
     def abandoned
       project_ids = Event.select('max(created_at) as latest_date, project_id').

app/views/projects/_form.html.haml

@@ -24,6 +24,10 @@
         = f.check_box :issues_enabled
         %span.descr Lightweight issue tracking system for this project
 
+    .control-group
+      = f.label :issues_tracker, "Issues tracker", class: 'control-label'
+      .input= f.select(:issues_tracker, Project.issues_tracker.values, {}, { disabled: !@project.issues_enabled })
+
     .control-group
       = f.label :merge_requests_enabled, "Merge Requests", class: 'control-label'
       .controls