Search by issue/mr title and description

app/controllers/projects/issues_controller.rb

@@ -20,7 +20,7 @@ class Projects::IssuesController < Projects::ApplicationController
     terms = params['issue_search']
 
     @issues = issues_filtered
-    @issues = @issues.where("title LIKE ? OR description LIKE ?", "%#{terms}%", "%#{terms}%") if terms.present?
+    @issues = @issues.full_search(terms) if terms.present?
     @issues = @issues.page(params[:page]).per(20)
 
     assignee_id, milestone_id = params[:assignee_id], params[:milestone_id]

app/models/concerns/issuable.rb

@@ -49,6 +49,10 @@ module Issuable
       where("LOWER(title) like :query", query: "%#{query.downcase}%")
     end
 
+    def full_search(query)
+      where("LOWER(title) like :query OR LOWER(description) like :query", query: "%#{query.downcase}%")
+    end
+
     def sort(method)
       case method.to_s
       when 'newest' then reorder("#{table_name}.created_at DESC")

app/models/project.rb

@@ -177,11 +177,11 @@ class Project < ActiveRecord::Base
       joins(:issues, :notes, :merge_requests).order("issues.created_at, notes.created_at, merge_requests.created_at DESC")
     end
 
-    def search query
+    def search(query)
       joins(:namespace).where("projects.archived = ?", false).where("projects.name LIKE :query OR projects.path LIKE :query OR namespaces.name LIKE :query OR projects.description LIKE :query", query: "%#{query}%")
     end
 
-    def search_by_title query
+    def search_by_title(query)
       where("projects.archived = ?", false).where("LOWER(projects.name) LIKE :query", query: "%#{query.downcase}%")
     end
 

app/views/search/results/_issue.html.haml

@@ -3,6 +3,9 @@
     = link_to [issue.project, issue] do
       %span.term.str-truncated= issue.title
     .pull-right ##{issue.iid}
+  .description.term
+    = preserve do
+      = search_md_sanitize(markdown(issue.description))
   %span.light
     #{issue.project.name_with_namespace}
   - if issue.closed?

app/views/search/results/_merge_request.html.haml

@@ -3,6 +3,9 @@
     = link_to [merge_request.target_project, merge_request] do
       %span.term.str-truncated= merge_request.title
     .pull-right ##{merge_request.iid}
+  .description.term
+    = preserve do
+      = search_md_sanitize(markdown(merge_request.description))
   %span.light
     #{merge_request.project.name_with_namespace}
   .pull-right

lib/gitlab/search_results.rb

@@ -51,11 +51,11 @@ module Gitlab
     end
 
     def issues
-      Issue.where(project_id: limit_project_ids).search(query).order('updated_at DESC')
+      Issue.where(project_id: limit_project_ids).full_search(query).order('updated_at DESC')
     end
 
     def merge_requests
-      MergeRequest.in_projects(limit_project_ids).search(query).order('updated_at DESC')
+      MergeRequest.in_projects(limit_project_ids).full_search(query).order('updated_at DESC')
     end
 
     def default_scope