Merge branch 'category-search-dropdown' into 'master'

Show categorised search queries in the search autocomplete

Fixes #5885 

It works in 3 categories, Dashboard, Groups and Project.

## Dashboard context
![for-dashboard](/uploads/3a59f6ec008a972495597c8f2691c385/for-dashboard.png)

## Group context
![for-group](/uploads/f7aa413d56330a1d9b2e5562f95badf7/for-group.png)

## Project context
![for-project](/uploads/dabe04cf8758a056cf7b03da001ffd91/for-project.png)


## Screencast
![category-search-dropdown](/uploads/4d9513dcd6ccb6e24adefdf65f9bc778/category-search-dropdown.gif)



See merge request !4499

10 files changed, 354 insertions, 22 deletions

diff --git a/CHANGELOG b/CHANGELOG
index 7cf9744f62a..7d58703b296 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -79,6 +79,7 @@ v 8.9.0 (unreleased)
   - Replace Colorize with Rainbow for coloring console output in Rake tasks.
   - Add workhorse controller and API helpers
   - An indicator is now displayed at the top of the comment field for confidential issues.
+  - Show categorised search queries in the search autocomplete
   - RepositoryCheck::SingleRepositoryWorker public and private methods are now instrumented
   - Improve issuables APIs performance when accessing notes !4471
   - External links now open in a new tab
diff --git a/app/assets/javascripts/lib/common_utils.js.coffee b/app/assets/javascripts/lib/common_utils.js.coffee
index 4f1779b8483..e39dcb2daa9 100644
--- a/app/assets/javascripts/lib/common_utils.js.coffee
+++ b/app/assets/javascripts/lib/common_utils.js.coffee
@@ -1,28 +1,27 @@
 ((w) ->
 
-  window.gl or= {}
-  window.gl.utils or= {}
+  w.gl       or= {}
+  w.gl.utils or= {}
 
-  jQuery.timefor = (time, suffix, expiredLabel) ->
+  w.gl.utils.isInGroupsPage = ->
 
-    return '' unless time
+    return $('body').data('page').split(':')[0] is 'groups'
 
-    suffix       or= 'remaining'
-    expiredLabel or= 'Past due'
 
-    jQuery.timeago.settings.allowFuture = yes
+  w.gl.utils.isInProjectPage = ->
 
-    { suffixFromNow } = jQuery.timeago.settings.strings
-    jQuery.timeago.settings.strings.suffixFromNow = suffix
+    return $('body').data('page').split(':')[0] is 'projects'
 
-    timefor = $.timeago time
 
-    if timefor.indexOf('ago') > -1
-      timefor = expiredLabel
+  w.gl.utils.getProjectSlug = ->
 
-    jQuery.timeago.settings.strings.suffixFromNow = suffixFromNow
+    return if @isInProjectPage() then $('body').data 'project' else null
+
+
+  w.gl.utils.getGroupSlug = ->
+
+    return if @isInGroupsPage() then $('body').data 'group' else null
 
-    return timefor
 
 
   gl.utils.updateTooltipTitle = ($tooltipEl, newTitle) ->
@@ -32,6 +31,7 @@
       .attr    'title', newTitle
       .tooltip 'fixTitle'
 
+
   gl.utils.preventDisabledButtons = ->
 
     $('.btn').click (e) ->
@@ -40,4 +40,26 @@
         e.stopImmediatePropagation()
         return false
 
+
+  jQuery.timefor = (time, suffix, expiredLabel) ->
+
+    return '' unless time
+
+    suffix       or= 'remaining'
+    expiredLabel or= 'Past due'
+
+    jQuery.timeago.settings.allowFuture = yes
+
+    { suffixFromNow } = jQuery.timeago.settings.strings
+    jQuery.timeago.settings.strings.suffixFromNow = suffix
+
+    timefor = $.timeago time
+
+    if timefor.indexOf('ago') > -1
+      timefor = expiredLabel
+
+    jQuery.timeago.settings.strings.suffixFromNow = suffixFromNow
+
+    return timefor
+
 ) window
diff --git a/app/assets/javascripts/search_autocomplete.js.coffee b/app/assets/javascripts/search_autocomplete.js.coffee
index 5eb915a51ea..421328554b8 100644
--- a/app/assets/javascripts/search_autocomplete.js.coffee
+++ b/app/assets/javascripts/search_autocomplete.js.coffee
@@ -67,8 +67,12 @@ class @SearchAutocomplete
   getData: (term, callback) ->
     _this = @
 
-    # Do not trigger request if input is empty
-    return if @searchInput.val() is ''
+    unless term
+      if contents = @getCategoryContents()
+        @searchInput.data('glDropdown').filter.options.callback contents
+        @enableAutocomplete()
+
+      return
 
     # Prevent multiple ajax calls
     return if @loadingSuggestions
@@ -122,6 +126,37 @@ class @SearchAutocomplete
     ).always ->
       _this.loadingSuggestions = false
 
+
+  getCategoryContents: ->
+
+    userId = gon.current_user_id
+    { utils, projectOptions, groupOptions, dashboardOptions } = gl
+
+    if utils.isInGroupsPage() and groupOptions
+      options = groupOptions[utils.getGroupSlug()]
+
+    else if utils.isInProjectPage() and projectOptions
+      options = projectOptions[utils.getProjectSlug()]
+
+    else if dashboardOptions
+      options = dashboardOptions
+
+    { issuesPath, mrPath, name } = options
+
+    items = [
+      { header: "#{name}" }
+      { text: 'Issues assigned to me', url: "#{issuesPath}/?assignee_id=#{userId}" }
+      { text: "Issues I've created",   url: "#{issuesPath}/?author_id=#{userId}"   }
+      'separator'
+      { text: 'Merge requests assigned to me', url: "#{mrPath}/?assignee_id=#{userId}" }
+      { text: "Merge requests I've created",   url: "#{mrPath}/?author_id=#{userId}"   }
+    ]
+
+    items.splice 0, 1 unless name
+
+    return items
+
+
   serializeState: ->
     {
       # Search Criteria
@@ -209,6 +244,12 @@ class @SearchAutocomplete
     @isFocused = true
     @wrap.addClass('search-active')
 
+    @getData()  if @getValue() is ''
+
+
+  getValue: -> return @searchInput.val()
+
+
   onClearInputClick: (e) =>
     e.preventDefault()
     @searchInput.val('').focus()
@@ -229,6 +270,10 @@ class @SearchAutocomplete
     @locationBadgeEl.text(badgeText).show()
     @wrap.addClass('has-location-badge')
 
+
+  hasLocationBadge: -> return @wrap.is '.has-location-badge'
+
+
   restoreOriginalState: ->
     inputs = Object.keys @originalState
 
@@ -257,13 +302,14 @@ class @SearchAutocomplete
 
       @getElement("##{input}").val('')
 
+
   removeLocationBadge: ->
-    @locationBadgeEl.hide()
 
-    # Reset state
+    @locationBadgeEl.hide()
     @resetSearchState()
-
     @wrap.removeClass('has-location-badge')
+    @disableAutocomplete()
+
 
   disableAutocomplete: ->
     @searchInput.addClass('disabled')
diff --git a/app/views/layouts/_search.html.haml b/app/views/layouts/_search.html.haml
index b49207fc315..245b9c3b4d4 100644
--- a/app/views/layouts/_search.html.haml
+++ b/app/views/layouts/_search.html.haml
@@ -36,6 +36,31 @@
       - else
         = hidden_field_tag :search_code, true
 
+      :javascript
+        gl.projectOptions = gl.projectOptions || {};
+        gl.projectOptions["#{j(@project.path)}"] = {
+          issuesPath: "#{namespace_project_issues_path(@project.namespace, @project)}",
+          mrPath: "#{namespace_project_merge_requests_path(@project.namespace, @project)}",
+          name: "#{j(@project.name)}"
+        };
+
+    - if @group and @group.path
+      :javascript
+        gl.groupOptions = gl.groupOptions || {};
+        gl.groupOptions["#{j(@group.path)}"] = {
+          name: "#{j(@group.name)}",
+          issuesPath: "#{issues_group_path(j(@group.path))}",
+          mrPath: "#{merge_requests_group_path(j(@group.path))}"
+        };
+
+
+    :javascript
+      gl.dashboardOptions = {
+        issuesPath: "#{issues_dashboard_url}",
+        mrPath: "#{merge_requests_dashboard_url}"
+      };
+
+
     - if @snippet || @snippets
       = hidden_field_tag :snippets, true
     = hidden_field_tag :repository_ref, @ref
diff --git a/app/views/layouts/application.html.haml b/app/views/layouts/application.html.haml
index 2b86b289bbe..33cedaaf2ee 100644
--- a/app/views/layouts/application.html.haml
+++ b/app/views/layouts/application.html.haml
@@ -1,7 +1,7 @@
 !!! 5
 %html{ lang: "en"}
   = render "layouts/head"
-  %body{class: "#{user_application_theme}", 'data-page' => body_data_page}
+  %body{class: "#{user_application_theme}", data: {page: body_data_page, project: "#{@project.path if @project}", group: "#{@group.path if @group}"}}
     = Gon::Base.render_data
 
     -# Ideally this would be inside the head, but turbolinks only evaluates page-specific JS in the body.
diff --git a/spec/features/search_spec.rb b/spec/features/search_spec.rb
index 029a11ea43c..b9e63a7152c 100644
--- a/spec/features/search_spec.rb
+++ b/spec/features/search_spec.rb
@@ -47,4 +47,83 @@ describe "Search", feature: true  do
       expect(page).to have_link(snippet.title)
     end
   end
+
+
+  describe 'Right header search field', feature: true do
+
+    describe 'Search in project page' do
+      before do
+        visit namespace_project_path(project.namespace, project)
+      end
+
+      it 'top right search form is present' do
+        expect(page).to have_selector('#search')
+      end
+
+      it 'top right search form contains location badge' do
+        expect(page).to have_selector('.has-location-badge')
+      end
+
+      context 'clicking the search field', js: true do
+        it 'should show category search dropdown' do
+          page.find('#search').click
+
+          expect(page).to have_selector('.dropdown-header', text: /#{project.name}/i)
+        end
+      end
+
+      context 'click the links in the category search dropdown', js: true do
+
+        before do
+          page.find('#search').click
+        end
+
+        it 'should take user to her issues page when issues assigned is clicked' do
+          find('.dropdown-menu').click_link 'Issues assigned to me'
+          sleep 2
+
+          expect(page).to have_selector('.issues-holder')
+          expect(find('.js-assignee-search .dropdown-toggle-text')).to have_content(user.name)
+        end
+
+        it 'should take user to her issues page when issues authored is clicked' do
+          find('.dropdown-menu').click_link "Issues I've created"
+          sleep 2
+
+          expect(page).to have_selector('.issues-holder')
+          expect(find('.js-author-search .dropdown-toggle-text')).to have_content(user.name)
+        end
+
+        it 'should take user to her MR page when MR assigned is clicked' do
+          find('.dropdown-menu').click_link 'Merge requests assigned to me'
+          sleep 2
+
+          expect(page).to have_selector('.merge-requests-holder')
+          expect(find('.js-assignee-search .dropdown-toggle-text')).to have_content(user.name)
+        end
+
+        it 'should take user to her MR page when MR authored is clicked' do
+          find('.dropdown-menu').click_link "Merge requests I've created"
+          sleep 2
+
+          expect(page).to have_selector('.merge-requests-holder')
+          expect(find('.js-author-search .dropdown-toggle-text')).to have_content(user.name)
+        end
+      end
+
+      context 'entering text into the search field', js: true do
+        before do
+          page.within '.search-input-wrap' do
+            fill_in "search", with: project.name[0..3]
+          end
+        end
+
+        it 'should not display the category search dropdown' do
+          expect(page).not_to have_selector('.dropdown-header', text: /#{project.name}/i)
+        end
+      end
+    end
+  end
+
+
 end
diff --git a/spec/javascripts/fixtures/search_autocomplete.html.haml b/spec/javascripts/fixtures/search_autocomplete.html.haml
new file mode 100644
index 00000000000..7785120da5b
--- /dev/null
+++ b/spec/javascripts/fixtures/search_autocomplete.html.haml
@@ -0,0 +1,10 @@
+.search.search-form.has-location-badge
+  %form.navbar-form
+    .search-input-container
+      %div.location-badge
+        This project
+      .search-input-wrap
+        .dropdown
+          %input#search.search-input.dropdown-menu-toggle
+          .dropdown-menu.dropdown-select
+            .dropdown-content
diff --git a/spec/javascripts/notes_spec.js.coffee b/spec/javascripts/notes_spec.js.coffee
index dd160e821b3..3a3c8d63e82 100644
--- a/spec/javascripts/notes_spec.js.coffee
+++ b/spec/javascripts/notes_spec.js.coffee
@@ -1,7 +1,7 @@
 #= require notes
 #= require gl_form
 
-window.gon = {}
+window.gon or= {}
 window.disableButtonIfEmptyField = -> null
 
 describe 'Notes', ->
diff --git a/spec/javascripts/project_title_spec.js.coffee b/spec/javascripts/project_title_spec.js.coffee
index 1cf34d4d2d3..9be29097f4c 100644
--- a/spec/javascripts/project_title_spec.js.coffee
+++ b/spec/javascripts/project_title_spec.js.coffee
@@ -6,7 +6,7 @@
 #= require project_select
 #= require project
 
-window.gon = {}
+window.gon or= {}
 window.gon.api_version = 'v3'
 
 describe 'Project Title', ->
diff --git a/spec/javascripts/search_autocomplete_spec.js.coffee b/spec/javascripts/search_autocomplete_spec.js.coffee
new file mode 100644
index 00000000000..e77177783a7
--- /dev/null
+++ b/spec/javascripts/search_autocomplete_spec.js.coffee
@@ -0,0 +1,149 @@
+#= require gl_dropdown
+#= require search_autocomplete
+#= require jquery
+#= require lib/common_utils
+#= require lib/type_utility
+#= require fuzzaldrin-plus
+
+
+widget       = null
+userId       = 1
+window.gon or= {}
+window.gon.current_user_id = userId
+
+dashboardIssuesPath = '/dashboard/issues'
+dashboardMRsPath    = '/dashboard/merge_requests'
+projectIssuesPath   = '/gitlab-org/gitlab-ce/issues'
+projectMRsPath      = '/gitlab-org/gitlab-ce/merge_requests'
+groupIssuesPath     = '/groups/gitlab-org/issues'
+groupMRsPath        = '/groups/gitlab-org/merge_requests'
+projectName         = 'GitLab Community Edition'
+groupName           = 'Gitlab Org'
+
+
+# Add required attributes to body before starting the test.
+# section would be dashboard|group|project
+addBodyAttributes = (section = 'dashboard') ->
+
+  $body = $ 'body'
+
+  $body.removeAttr 'data-page'
+  $body.removeAttr 'data-project'
+  $body.removeAttr 'data-group'
+
+  switch section
+    when 'dashboard'
+      $body.data 'page', 'root:index'
+    when 'group'
+      $body.data 'page', 'groups:show'
+      $body.data 'group', 'gitlab-org'
+    when 'project'
+      $body.data 'page', 'projects:show'
+      $body.data 'project', 'gitlab-ce'
+
+
+# Mock `gl` object in window for dashboard specific page. App code will need it.
+mockDashboardOptions = ->
+
+  window.gl or= {}
+  window.gl.dashboardOptions =
+    issuesPath: dashboardIssuesPath
+    mrPath    : dashboardMRsPath
+
+
+# Mock `gl` object in window for project specific page. App code will need it.
+mockProjectOptions = ->
+
+  window.gl or= {}
+  window.gl.projectOptions =
+    'gitlab-ce'   :
+      issuesPath  : projectIssuesPath
+      mrPath      : projectMRsPath
+      projectName : projectName
+
+
+mockGroupOptions = ->
+
+  window.gl or= {}
+  window.gl.groupOptions =
+    'gitlab-org'  :
+      issuesPath  : groupIssuesPath
+      mrPath      : groupMRsPath
+      projectName : groupName
+
+
+assertLinks = (list, issuesPath, mrsPath) ->
+
+  issuesAssignedToMeLink = "#{issuesPath}/?assignee_id=#{userId}"
+  issuesIHaveCreatedLink = "#{issuesPath}/?author_id=#{userId}"
+  mrsAssignedToMeLink    = "#{mrsPath}/?assignee_id=#{userId}"
+  mrsIHaveCreatedLink    = "#{mrsPath}/?author_id=#{userId}"
+
+  a1 = "a[href='#{issuesAssignedToMeLink}']"
+  a2 = "a[href='#{issuesIHaveCreatedLink}']"
+  a3 = "a[href='#{mrsAssignedToMeLink}']"
+  a4 = "a[href='#{mrsIHaveCreatedLink}']"
+
+  expect(list.find(a1).length).toBe 1
+  expect(list.find(a1).text()).toBe ' Issues assigned to me '
+
+  expect(list.find(a2).length).toBe 1
+  expect(list.find(a2).text()).toBe " Issues I've created "
+
+  expect(list.find(a3).length).toBe 1
+  expect(list.find(a3).text()).toBe ' Merge requests assigned to me '
+
+  expect(list.find(a4).length).toBe 1
+  expect(list.find(a4).text()).toBe " Merge requests I've created "
+
+
+describe 'Search autocomplete dropdown', ->
+
+  fixture.preload 'search_autocomplete.html'
+
+  beforeEach ->
+
+    fixture.load 'search_autocomplete.html'
+    widget = new SearchAutocomplete
+
+
+  it 'should show Dashboard specific dropdown menu', ->
+
+    addBodyAttributes()
+    mockDashboardOptions()
+    widget.searchInput.focus()
+
+    list = widget.wrap.find('.dropdown-menu').find 'ul'
+    assertLinks list, dashboardIssuesPath, dashboardMRsPath
+
+
+  it 'should show Group specific dropdown menu', ->
+
+    addBodyAttributes 'group'
+    mockGroupOptions()
+    widget.searchInput.focus()
+
+    list = widget.wrap.find('.dropdown-menu').find 'ul'
+    assertLinks list, groupIssuesPath, groupMRsPath
+
+
+  it 'should show Project specific dropdown menu', ->
+
+    addBodyAttributes 'project'
+    mockProjectOptions()
+    widget.searchInput.focus()
+
+    list = widget.wrap.find('.dropdown-menu').find 'ul'
+    assertLinks list, projectIssuesPath, projectMRsPath
+
+
+  it 'should not show category related menu if there is text in the input', ->
+
+    addBodyAttributes 'project'
+    mockProjectOptions()
+    widget.searchInput.val 'help'
+    widget.searchInput.focus()
+
+    list = widget.wrap.find('.dropdown-menu').find 'ul'
+    link = "a[href='#{projectIssuesPath}/?assignee_id=#{userId}']"
+    expect(list.find(link).length).toBe 0