Add admin services templates.

app/controllers/admin/services_controller.rb

+class Admin::ServicesController < Admin::ApplicationController
+  before_filter :service, only: [:edit, :update]
+
+  def index
+    @services = services_templates
+  end
+
+  def edit
+    unless service.present?
+      redirect_to admin_application_settings_services_path,
+        alert: "Service is unknown or it doesn't exist"
+    end
+  end
+
+  def update
+    if service.update_attributes(application_services_params[:service])
+      redirect_to admin_application_settings_services_path,
+        notice: 'Application settings saved successfully'
+    else
+      render :edit
+    end
+  end
+
+  private
+
+  def services_templates
+    templates = []
+
+    allowed_templates.each do |service|
+      service_template = service.constantize
+      templates << service_template.where(template: true).first_or_create
+    end
+
+    templates
+  end
+
+  def allowed_templates
+    %w( JiraService RedmineService CustomIssueTrackerService )
+  end
+
+  def service
+    @service ||= Service.where(id: params[:id], template: true).first
+  end
+
+  def application_services_params
+    params.permit(:id,
+      service: [
+        :title, :project_url, :description, :issues_url, :new_issue_url
+    ])
+  end
+end

app/models/project.rb

@@ -353,14 +353,29 @@ class Project < ActiveRecord::Base
   end
 
   def build_missing_services
+    services_templates = Service.where(template: true)
+
     available_services_names.each do |service_name|
-      service = services.find { |service| service.to_param == service_name }
+      service = find_service(services, service_name)
 
       # If service is available but missing in db
-      # we should create an instance. Ex `create_gitlab_ci_service`
-      service = self.send :"create_#{service_name}_service" if service.nil?
+      if service.nil?
+        # We should check if template for the service exists
+        template = find_service(services_templates, service_name)
+
+        if template.nil?
+          # If no template, we should create an instance. Ex `create_gitlab_ci_service`
+          service = self.send :"create_#{service_name}_service"
+        else
+          Service.create_from_template(self.id, template)
+        end
       end
     end
+  end
+
+  def find_service(list, name)
+    list.find { |service| service.to_param == name }
+  end
 
   def available_services_names
     %w(gitlab_ci campfire hipchat pivotaltracker flowdock assembla asana

app/models/project_services/issue_tracker_service.rb

@@ -77,12 +77,14 @@ class IssueTrackerService < Service
   end
 
   def set_project_url
+    if self.project
       id = self.project.issues_tracker_id
 
       if id
         issues_tracker['project_url'].gsub(":issues_tracker_id", id)
-    else
-      issues_tracker['project_url']
       end
     end
+
+    issues_tracker['project_url']
+  end
 end

app/models/service.rb

@@ -25,7 +25,7 @@ class Service < ActiveRecord::Base
   belongs_to :project
   has_one :service_hook
 
-  validates :project_id, presence: true
+  validates :project_id, presence: true, unless: Proc.new { |service| service.template? }
 
   scope :visible, -> { where.not(type: 'GitlabIssueTrackerService') }
 
@@ -33,6 +33,10 @@ class Service < ActiveRecord::Base
     active
   end
 
+  def template?
+    template
+  end
+
   def category
     :common
   end
@@ -94,7 +98,10 @@ class Service < ActiveRecord::Base
     self.category == :issue_tracker
   end
 
-  def self.issue_tracker_service_list
-    Service.select(&:issue_tracker?).map{ |s| s.to_param }
+  def self.create_from_template(project_id, template)
+    service = template.dup
+    service.template = false
+    service.project_id = project_id
+    service if service.save
   end
 end

app/views/admin/application_settings/_external_issues_tracker_template.html.haml

+- service.fields.each do |field|
+  TOPD
+    / - name = field[:name]
+    / - value = "V"#@service.send(name) unless field[:type] == 'password'
+    / - type = field[:type]
+    / - placeholder = field[:placeholder]
+    / - choices = field[:choices]
+    / - default_choice = field[:default_choice]
+
+    / .form-group
+    /   = f.label name, class: "control-label"
+    /   .col-sm-10
+    /     - if type == 'text'
+    /       = f.text_field name, class: "form-control", placeholder: placeholder
+    /     - elsif type == 'textarea'
+    /       = f.text_area name, rows: 5, class: "form-control", placeholder: placeholder
+    /     - elsif type == 'checkbox'
+    /       = f.check_box name
+    /     - elsif type == 'select'
+    /       = f.select name, options_for_select(choices, value ? value : default_choice), {}, { class: "form-control" }
+    /     - elsif type == 'password'
+    /       = f.password_field name, class: 'form-control'

app/views/admin/services/_form.html.haml

+%h3.page-title
+  = @service.title
+  = boolean_to_icon @service.activated?
+
+%p #{@service.description} template
+
+= form_for :service, url: admin_application_settings_service_path, method: :put, html: { class: 'form-horizontal fieldset-form' } do |f|
+  - if @service.errors.any?
+    #error_explanation
+      .alert.alert-danger
+        - @service.errors.full_messages.each do |msg|
+          %p= msg
+
+  - @service.fields.each do |field|
+    - name = field[:name]
+    - type = field[:type]
+    - placeholder = field[:placeholder]
+
+    .form-group
+      = f.label name, class: "control-label"
+      .col-sm-10
+        = f.text_field name, class: "form-control", placeholder: placeholder
+
+  .form-actions
+    = f.submit 'Save', class: 'btn btn-save'

app/views/admin/services/edit.html.haml

+= render 'form'

app/views/admin/services/index.html.haml

+%h3.page-title Service templates
+%p.light Service template allows you to set default values for project services
+
+%table.table
+  %thead
+    %tr
+      %th
+      %th Service
+      %th Desription
+      %th Last edit
+  - @services.sort_by(&:title).each do |service|
+    %tr
+      %td
+        = icon("copy", class: 'clgray')
+      %td
+        = link_to edit_admin_application_settings_service_path(service.id) do
+          %strong= service.title
+      %td
+        = service.description
+      %td.light
+        = time_ago_in_words service.updated_at
+        ago

config/routes.rb

@@ -131,7 +131,9 @@ Gitlab::Application.routes.draw do
       end
     end
 
-    resource :application_settings, only: [:show, :update]
+    resource :application_settings, only: [:show, :update] do
+      resources :services
+    end
 
     root to: 'dashboard#index'
   end