1 files changed, 114 insertions, 0 deletions
diff --git a/app/helpers/gitlab/search_helper.rb b/app/helpers/gitlab/search_helper.rb
new file mode 100644
index 00000000000..f9caf8f2431
--- /dev/null
+++ b/app/helpers/gitlab/search_helper.rb
@@ -0,0 +1,114 @@
+module Gitlab
+  module SearchHelper
+    def search_autocomplete_opts(term)
+      return unless current_user
+
+      resources_results = [
+        groups_autocomplete(term),
+        projects_autocomplete(term)
+      ].flatten
+
+      generic_results = project_autocomplete + default_autocomplete + help_autocomplete
+      generic_results.select! { |result| result[:label] =~ Regexp.new(term, "i") }
+
+      [
+        resources_results,
+        generic_results
+      ].flatten.uniq do |item|
+        item[:label]
+      end
+    end
+
+    private
+
+    # Autocomplete results for various settings pages
+    def default_autocomplete
+      [
+        { label: "Profile settings", url: profile_path },
+        { label: "SSH Keys",         url: profile_keys_path },
+        { label: "Dashboard",        url: root_path },
+        { label: "Admin Section",       url: admin_root_path },
+      ]
+    end
+
+    # Autocomplete results for internal help pages
+    def help_autocomplete
+      [
+        { label: "help: API Help",           url: help_page_path("api", "README") },
+        { label: "help: Markdown Help",      url: help_page_path("markdown", "markdown") },
+        { label: "help: Permissions Help",   url: help_page_path("permissions", "permissions") },
+        { label: "help: Public Access Help", url: help_page_path("public_access", "public_access") },
+        { label: "help: Rake Tasks Help",    url: help_page_path("raketasks", "README") },
+        { label: "help: SSH Keys Help",      url: help_page_path("ssh", "README") },
+        { label: "help: System Hooks Help",  url: help_page_path("system_hooks", "system_hooks") },
+        { label: "help: Web Hooks Help",     url: help_page_path("web_hooks", "web_hooks") },
+        { label: "help: Workflow Help",      url: help_page_path("workflow", "README") },
+      ]
+    end
+
+    # Autocomplete results for the current project, if it's defined
+    def project_autocomplete
+      if @project && @project.repository.exists? && @project.repository.root_ref
+        prefix = search_result_sanitize(@project.name_with_namespace)
+        ref    = @ref || @project.repository.root_ref
+
+        [
+          { label: "#{prefix} - Files",          url: namespace_project_tree_path(@project.namespace, @project, ref) },
+          { label: "#{prefix} - Commits",        url: namespace_project_commits_path(@project.namespace, @project, ref) },
+          { label: "#{prefix} - Network",        url: namespace_project_network_path(@project.namespace, @project, ref) },
+          { label: "#{prefix} - Graph",          url: namespace_project_graph_path(@project.namespace, @project, ref) },
+          { label: "#{prefix} - Issues",         url: namespace_project_issues_path(@project.namespace, @project) },
+          { label: "#{prefix} - Merge Requests", url: namespace_project_merge_requests_path(@project.namespace, @project) },
+          { label: "#{prefix} - Milestones",     url: namespace_project_milestones_path(@project.namespace, @project) },
+          { label: "#{prefix} - Snippets",       url: namespace_project_snippets_path(@project.namespace, @project) },
+          { label: "#{prefix} - Members",        url: namespace_project_project_members_path(@project.namespace, @project) },
+          { label: "#{prefix} - Wiki",           url: namespace_project_wikis_path(@project.namespace, @project) },
+        ]
+      else
+        []
+      end
+    end
+
+    # Autocomplete results for the current user's groups
+    def groups_autocomplete(term, limit = 5)
+      current_user.authorized_groups.search(term).limit(limit).map do |group|
+        {
+          label: "group: #{search_result_sanitize(group.name)}",
+          url: group_path(group)
+        }
+      end
+    end
+
+    # Autocomplete results for the current user's projects
+    def projects_autocomplete(term, limit = 5)
+      ProjectsFinder.new.execute(current_user).search_by_title(term).
+        sorted_by_stars.non_archived.limit(limit).map do |p|
+        {
+          label: "project: #{search_result_sanitize(p.name_with_namespace)}",
+          url: namespace_project_path(p.namespace, p)
+        }
+      end
+    end
+
+    def search_result_sanitize(str)
+      Sanitize.clean(str)
+    end
+
+    def search_filter_path(options={})
+      exist_opts = {
+        search: params[:search],
+        project_id: params[:project_id],
+        group_id: params[:group_id],
+        scope: params[:scope]
+      }
+
+      options = exist_opts.merge(options)
+      search_path(options)
+    end
+
+    # Sanitize html generated after parsing markdown from issue description or comment
+    def search_md_sanitize(html)
+      sanitize(html, tags: %w(a p ol ul li pre code))
+    end
+  end
+end