Implemented code search feature

.travis.yml

@@ -6,7 +6,7 @@ before_install:
   - gem install charlock_holmes -v="0.6.9"
 branches:
   only:
-    - 'master'
+    - 'code-search'
 rvm:
   - 1.9.3-p392
   - 2.0.0

Gemfile

@@ -23,7 +23,7 @@ gem 'omniauth-github'
 
 # Extracting information from a git repository
 # We cannot use original git since some bugs
-gem "grit", '~> 2.5.0', git: 'https://github.com/gitlabhq/grit.git', ref: '42297cdcee16284d2e4eff23d41377f52fc28b9d'
+gem "grit", '~> 2.5.0', git: 'https://github.com/gitlabhq/grit.git'
 gem 'gitlab_git', '~> 1.0.6'
 
 # Ruby/Rack Git Smart-HTTP Server Handler

Gemfile.lock

@@ -8,8 +8,7 @@ GIT
 
 GIT
   remote: https://github.com/gitlabhq/grit.git
-  revision: 42297cdcee16284d2e4eff23d41377f52fc28b9d
-  ref: 42297cdcee16284d2e4eff23d41377f52fc28b9d
+  revision: e873bb84ac3c4f8249311490d6a7c6ac9127625f
   specs:
     grit (2.5.0)
       diff-lcs (~> 1.1)

app/contexts/search_context.rb

@@ -10,7 +10,11 @@ class SearchContext
 
     return result unless query.present?
 
-    result[:projects] = Project.where(id: project_ids).search(query).limit(10)
+    projects = Project.where(id: project_ids)
+    result[:projects] = projects.search(query).limit(10)
+    if projects.length == 1
+      result[:snippets] = projects.first.files(query, params[:branch_ref])
+    end
     result[:merge_requests] = MergeRequest.where(project_id: project_ids).search(query).limit(10)
     result[:issues] = Issue.where(project_id: project_ids).search(query).limit(10)
     result[:wiki_pages] = []
@@ -22,7 +26,8 @@ class SearchContext
       projects: [],
       merge_requests: [],
       issues: [],
-      wiki_pages: []
+      wiki_pages: [],
+      snippets: []
     }
   end
 end

app/controllers/search_controller.rb

@@ -18,5 +18,6 @@ class SearchController < ApplicationController
     @merge_requests = result[:merge_requests]
     @issues         = result[:issues]
     @wiki_pages     = result[:wiki_pages]
+    @snippets       = result[:snippets]
   end
 end

app/models/project.rb

@@ -411,4 +411,15 @@ class Project < ActiveRecord::Base
     !(forked_project_link.nil? || forked_project_link.forked_from_project.nil?)
   end
 
+  def files(query, treeish)
+   snippets = []
+   tree = treeish.present? ? treeish : default_branch 
+   if repository && !tree.nil?
+     greps = repository.repo.grep(query, 3, tree)
+     greps.each do |g|
+       snippets << Gitlab::BlobSnippet.new(self, tree, g.content, g.startline, g.filename)
+     end
+   end
+   snippets
+  end
 end

app/views/layouts/_search.html.haml

@@ -3,4 +3,13 @@
     = text_field_tag "search", nil, placeholder: "Search", class: "search-input"
     = hidden_field_tag :group_id, @group.try(:id)
     = hidden_field_tag :project_id, @project.try(:id)
+    - if @ref
+      - @branch_ref = @ref
+    - else
+      - @branch_ref = @project.try(:default_branch)
+      - if @branch_ref.blank?
+        - @branch_ref = 'master'
+    = hidden_field_tag :branch_ref, @branch_ref
+    - if ENV['RAILS_ENV'] == 'test'
+      = submit_tag 'Go'
     .search-autocomplete-json.hide{:'data-autocomplete-opts' => search_autocomplete_source }
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app/views/search/_result.html.haml

@@ -32,6 +32,15 @@
           %strong.term
             = truncate wiki_page.title, length: 50
         %span.light (#{wiki_page.project.name_with_namespace})
+    - @snippets.each do |snippet|
+      %li
+        code:
+        = link_to project_blob_path(snippet.project, tree_join(snippet.tree, snippet.filename), :anchor => "L" + snippet.startline.to_s) do
+          %strong.term
+            = snippet.filename
+          .file_content.code
+            %div{class: user_color_scheme_class}
+              = raw snippet.colorize( formatter: :gitlab, options: { first_line_number: snippet.startline } )
 
 :javascript
   $(function() {

features/project/source/search_code.feature

+Feature: Project Search code
+  Background:
+    Given I sign in as a user
+    And I own project "Shop"
+    Given I visit project source page
+
+  Scenario: Search for term "Welcome to Gitlab"
+    When I search for term "Welcome to Gitlab"
+    Then I should see files from repository containing "Welcome to Gitlab" 

features/steps/project/project_search_code.rb

+class ProjectSearchCode < Spinach::FeatureSteps
+  include SharedAuthentication
+  include SharedProject
+  include SharedPaths
+
+  When 'I search for term "Welcome to Gitlab"' do
+    fill_in "search", with: "Welcome to Gitlab"
+    click_button "Go"
+  end
+
+  Then 'I should see files from repository containing "Welcome to Gitlab"' do
+    page.should have_content "Welcome to Gitlab"
+    page.should have_content "GitLab is a free project and repository management application"
+  end
+
+end

lib/gitlab/blob_snippet.rb

+module Gitlab
+  class BlobSnippet
+    include Linguist::BlobHelper
+
+    attr_accessor :project
+    attr_accessor :tree
+    attr_accessor :lines
+    attr_accessor :filename
+    attr_accessor :startline
+    
+    def initialize(project, tree, lines, startline, filename)
+      @project, @tree, @lines, @startline, @filename = project, tree, lines, startline, filename
+    end
+    
+    def data
+      lines.join("\n")
+    end
+    
+    def name
+      filename
+    end
+    
+    def size
+      data.length
+    end
+    
+    def mode
+      nil
+    end
+    
+  end
+end
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