Merge branch 'manual-todos-issuable-sidebar' into 'master'

Manually create todo for issuable

## What does this MR do?

Adds a button to the sidebar in issues & merge requests to allow users to manually create a todo item themselves.

## What are the relevant issue numbers?

Closes #15045 

## Screenshots (if relevant)

![Screen_Shot_2016-06-07_at_09.52.14](/uploads/00af70244c0589d19f241c3e85f3d63d/Screen_Shot_2016-06-07_at_09.52.14.png)

![Screen_Shot_2016-06-07_at_09.52.06](/uploads/e232b02208613a4a50cff4d1e6f119ff/Screen_Shot_2016-06-07_at_09.52.06.png)

![Screen_Shot_2016-06-07_at_09.51.14](/uploads/f1d36435d49ab882538ae2252bec8086/Screen_Shot_2016-06-07_at_09.51.14.png)

See merge request !4502

14 files changed, 169 insertions, 14 deletions

diff --git a/CHANGELOG b/CHANGELOG
index 780cd8e91e3..80103cddd43 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -57,6 +57,7 @@ v 8.9.0 (unreleased)
   - Use Knapsack only in CI environment
   - Cache project build count in sidebar nav
   - Add milestone expire date to the right sidebar
+  - Manually mark a issue or merge request as a todo
   - Fix markdown_spec to use before instead of before(:all) to properly cleanup database after testing
   - Reduce number of queries needed to render issue labels in the sidebar
   - Improve error handling importing projects
diff --git a/app/assets/javascripts/right_sidebar.js.coffee b/app/assets/javascripts/right_sidebar.js.coffee
index c9cb0f4bb32..8eb005b0a22 100644
--- a/app/assets/javascripts/right_sidebar.js.coffee
+++ b/app/assets/javascripts/right_sidebar.js.coffee
@@ -43,6 +43,55 @@ class @Sidebar
             $('.right-sidebar')
               .hasClass('right-sidebar-collapsed'), { path: '/' })
 
+    $(document)
+      .off 'click', '.js-issuable-todo'
+      .on 'click', '.js-issuable-todo', @toggleTodo
+
+  toggleTodo: (e) =>
+    $this = $(e.currentTarget)
+    $todoLoading = $('.js-issuable-todo-loading')
+    $btnText = $('.js-issuable-todo-text', $this)
+    ajaxType = if $this.attr('data-id') then 'PATCH' else 'POST'
+    ajaxUrlExtra = if $this.attr('data-id') then "/#{$this.attr('data-id')}" else ''
+
+    $.ajax(
+      url: "#{$this.data('url')}#{ajaxUrlExtra}"
+      type: ajaxType
+      dataType: 'json'
+      data:
+        issuable_id: $this.data('issuable')
+        issuable_type: $this.data('issuable-type')
+      beforeSend: =>
+        @beforeTodoSend($this, $todoLoading)
+    ).done (data) =>
+      @todoUpdateDone(data, $this, $btnText, $todoLoading)
+
+  beforeTodoSend: ($btn, $todoLoading) ->
+    $btn.disable()
+    $todoLoading.removeClass 'hidden'
+
+  todoUpdateDone: (data, $btn, $btnText, $todoLoading) ->
+    $todoPendingCount = $('.todos-pending-count')
+    $todoPendingCount.text data.count
+
+    $btn.enable()
+    $todoLoading.addClass 'hidden'
+
+    if data.count is 0
+      $todoPendingCount.addClass 'hidden'
+    else
+      $todoPendingCount.removeClass 'hidden'
+
+    if data.todo?
+      $btn
+        .attr 'aria-label', $btn.data('mark-text')
+        .attr 'data-id', data.todo.id
+      $btnText.text $btn.data('mark-text')
+    else
+      $btn
+        .attr 'aria-label', $btn.data('todo-text')
+        .removeAttr 'data-id'
+      $btnText.text $btn.data('todo-text')
 
   sidebarDropdownLoading: (e) ->
     $sidebarCollapsedIcon = $(@).closest('.block').find('.sidebar-collapsed-icon')
@@ -117,5 +166,3 @@ class @Sidebar
 
   getBlock: (name) ->
     @sidebar.find(".block.#{name}")
-
-
diff --git a/app/assets/stylesheets/pages/issuable.scss b/app/assets/stylesheets/pages/issuable.scss
index ea453ce356a..f57845ad9c9 100644
--- a/app/assets/stylesheets/pages/issuable.scss
+++ b/app/assets/stylesheets/pages/issuable.scss
@@ -34,6 +34,10 @@
     color: inherit;
   }
 
+  .issuable-header-text {
+    margin-top: 7px;
+  }
+
   .block {
     @include clearfix;
     padding: $gl-padding 0;
@@ -60,10 +64,6 @@
       margin-top: 0;
     }
 
-    .issuable-count {
-      margin-top: 7px;
-    }
-
     .gutter-toggle {
       margin-left: 20px;
       padding-left: 10px;
@@ -250,7 +250,7 @@
     }
   }
 
-  .issuable-pager {
+  .issuable-header-btn {
     background: $gray-normal;
     border: 1px solid $border-gray-normal;
     &:hover {
@@ -263,7 +263,7 @@
     }
   }
 
-  a:not(.issuable-pager) {
+  a {
     &:hover {
       color: $md-link-color;
       text-decoration: none;
diff --git a/app/controllers/projects/todos_controller.rb b/app/controllers/projects/todos_controller.rb
new file mode 100644
index 00000000000..a51bd5e2b49
--- /dev/null
+++ b/app/controllers/projects/todos_controller.rb
@@ -0,0 +1,31 @@
+class Projects::TodosController < Projects::ApplicationController
+  def create
+    todos = TodoService.new.mark_todo(issuable, current_user)
+
+    render json: {
+      todo: todos,
+      count: current_user.todos.pending.count,
+    }
+  end
+
+  def update
+    current_user.todos.find_by_id(params[:id]).update(state: :done)
+
+    render json: {
+      count: current_user.todos.pending.count,
+    }
+  end
+
+  private
+
+  def issuable
+    @issuable ||= begin
+      case params[:issuable_type]
+      when "issue"
+        @project.issues.find(params[:issuable_id])
+      when "merge_request"
+        @project.merge_requests.find(params[:issuable_id])
+      end
+    end
+  end
+end
diff --git a/app/finders/todos_finder.rb b/app/finders/todos_finder.rb
index 1d88116d7d2..aa47c6c157e 100644
--- a/app/finders/todos_finder.rb
+++ b/app/finders/todos_finder.rb
@@ -36,7 +36,7 @@ class TodosFinder
   private
 
   def action_id?
-    action_id.present? && [Todo::ASSIGNED, Todo::MENTIONED, Todo::BUILD_FAILED].include?(action_id.to_i)
+    action_id.present? && [Todo::ASSIGNED, Todo::MENTIONED, Todo::BUILD_FAILED, Todo::MARKED].include?(action_id.to_i)
   end
 
   def action_id
diff --git a/app/helpers/issuables_helper.rb b/app/helpers/issuables_helper.rb
index 40d8ce8a1d3..8dbc51a689f 100644
--- a/app/helpers/issuables_helper.rb
+++ b/app/helpers/issuables_helper.rb
@@ -67,6 +67,12 @@ module IssuablesHelper
     end
   end
 
+  def has_todo(issuable)
+    unless current_user.nil?
+      current_user.todos.find_by(target_id: issuable.id, state: :pending)
+    end
+  end
+
   private
 
   def sidebar_gutter_collapsed?
diff --git a/app/helpers/todos_helper.rb b/app/helpers/todos_helper.rb
index b4923fbb138..9adf5ef29f7 100644
--- a/app/helpers/todos_helper.rb
+++ b/app/helpers/todos_helper.rb
@@ -12,6 +12,7 @@ module TodosHelper
     when Todo::ASSIGNED then 'assigned you'
     when Todo::MENTIONED then 'mentioned you on'
     when Todo::BUILD_FAILED then 'The build failed for your'
+    when Todo::MARKED then 'marked this as a Todo for'
     end
   end
 
diff --git a/app/models/todo.rb b/app/models/todo.rb
index 3a091373329..2792fa9b9a8 100644
--- a/app/models/todo.rb
+++ b/app/models/todo.rb
@@ -2,6 +2,7 @@ class Todo < ActiveRecord::Base
   ASSIGNED     = 1
   MENTIONED    = 2
   BUILD_FAILED = 3
+  MARKED       = 4
 
   belongs_to :author, class_name: "User"
   belongs_to :note
diff --git a/app/services/todo_service.rb b/app/services/todo_service.rb
index 8e03ff8ddde..e1f9ea64dc4 100644
--- a/app/services/todo_service.rb
+++ b/app/services/todo_service.rb
@@ -139,10 +139,16 @@ class TodoService
     pending_todos(user, attributes).update_all(state: :done)
   end
 
+  # When user marks an issue as todo
+  def mark_todo(issuable, current_user)
+    attributes = attributes_for_todo(issuable.project, issuable, current_user, Todo::MARKED)
+    create_todos(current_user, attributes)
+  end
+
   private
 
   def create_todos(users, attributes)
-    Array(users).each do |user|
+    Array(users).map do |user|
       next if pending_todos(user, attributes).exists?
       Todo.create(attributes.merge(user_id: user.id))
     end
diff --git a/app/views/layouts/header/_default.html.haml b/app/views/layouts/header/_default.html.haml
index ad30a367fc5..a0f560a13ec 100644
--- a/app/views/layouts/header/_default.html.haml
+++ b/app/views/layouts/header/_default.html.haml
@@ -27,9 +27,8 @@
             %li
               = link_to dashboard_todos_path, title: 'Todos', data: {toggle: 'tooltip', placement: 'bottom', container: 'body'} do
                 = icon('bell fw')
-                - unless todos_pending_count == 0
-                  %span.badge.todos-pending-count
-                    = todos_pending_count
+                %span.badge.todos-pending-count{ class: ("hidden" if todos_pending_count == 0) }
+                  = todos_pending_count
             - if current_user.can_create_project?
               %li
                 = link_to new_project_path, title: 'New project', data: {toggle: 'tooltip', placement: 'bottom', container: 'body'} do
diff --git a/app/views/shared/issuable/_sidebar.html.haml b/app/views/shared/issuable/_sidebar.html.haml
index fb906de829a..539c4f3630a 100644
--- a/app/views/shared/issuable/_sidebar.html.haml
+++ b/app/views/shared/issuable/_sidebar.html.haml
@@ -1,9 +1,21 @@
+- todo = has_todo(issuable)
 %aside.right-sidebar{ class: sidebar_gutter_collapsed_class }
   .issuable-sidebar
     - can_edit_issuable = can?(current_user, :"admin_#{issuable.to_ability_name}", @project)
     .block.issuable-sidebar-header
-      %a.gutter-toggle.pull-right.js-sidebar-toggle{href: '#'}
+      - if current_user
+        %span.issuable-header-text.hide-collapsed.pull-left
+          Todo
+      %a.gutter-toggle.pull-right.js-sidebar-toggle{ role: "button", href: "#", aria: { label: "Toggle sidebar" } }
         = sidebar_gutter_toggle_icon
+      - if current_user
+        %button.btn.btn-default.issuable-header-btn.pull-right.js-issuable-todo{ type: "button", aria: { label: (todo.nil? ? "Add Todo" : "Mark Done") }, data: { todo_text: "Add Todo", mark_text: "Mark Done", id: (todo.id unless todo.nil?), issuable: issuable.id, issuable_type: issuable.class.name.underscore, url: namespace_project_todos_path(@project.namespace, @project) } }
+          %span.js-issuable-todo-text
+            - if todo.nil?
+              Add Todo
+            - else
+              Mark Done
+          = icon('spin spinner', class: 'hidden js-issuable-todo-loading')
 
     = form_for [@project.namespace.becomes(Namespace), @project, issuable], remote: true, format: :json, html: {class: 'issuable-context-form inline-update js-issuable-update'} do |f|
       .block.assignee
diff --git a/config/routes.rb b/config/routes.rb
index fe48ae95e29..fb634901712 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -795,6 +795,8 @@ Rails.application.routes.draw do
           end
         end
 
+        resources :todos, only: [:create, :update], constraints: { id: /\d+/ }
+
         resources :uploads, only: [:create] do
           collection do
             get ":secret/:filename", action: :show, as: :show, constraints: { filename: /[^\/]+/ }
diff --git a/spec/features/issues/todo_spec.rb b/spec/features/issues/todo_spec.rb
new file mode 100644
index 00000000000..b69cce3e7d7
--- /dev/null
+++ b/spec/features/issues/todo_spec.rb
@@ -0,0 +1,33 @@
+require 'rails_helper'
+
+feature 'Manually create a todo item from issue', feature: true, js: true do
+  let!(:project)   { create(:project) }
+  let!(:issue)     { create(:issue, project: project) }
+  let!(:user)      { create(:user)}
+
+  before do
+    project.team << [user, :master]
+    login_as(user)
+    visit namespace_project_issue_path(project.namespace, project, issue)
+  end
+
+  it 'should create todo when clicking button' do
+    page.within '.issuable-sidebar' do
+      click_button 'Add Todo'
+      expect(page).to have_content 'Mark Done'
+    end
+
+    page.within '.header-content .todos-pending-count' do
+      expect(page).to have_content '1'
+    end
+  end
+
+  it 'should mark a todo as done' do
+    page.within '.issuable-sidebar' do
+      click_button 'Add Todo'
+      click_button 'Mark Done'
+    end
+
+    expect(page).to have_selector('.todos-pending-count', visible: false)
+  end
+end
diff --git a/spec/services/todo_service_spec.rb b/spec/services/todo_service_spec.rb
index 549a936b060..26f09cdbaf9 100644
--- a/spec/services/todo_service_spec.rb
+++ b/spec/services/todo_service_spec.rb
@@ -228,6 +228,14 @@ describe TodoService, services: true do
         should_not_create_any_todo { service.new_note(note_on_project_snippet, john_doe) }
       end
     end
+
+    describe '#mark_todo' do
+      it 'creates a todo from a issue' do
+        service.mark_todo(unassigned_issue, author)
+
+        should_create_todo(user: author, target: unassigned_issue, action: Todo::MARKED)
+      end
+    end
   end
 
   describe 'Merge Requests' do
@@ -361,6 +369,14 @@ describe TodoService, services: true do
         expect(second_todo.reload).not_to be_done
       end
     end
+
+    describe '#mark_todo' do
+      it 'creates a todo from a merge request' do
+        service.mark_todo(mr_unassigned, author)
+
+        should_create_todo(user: author, target: mr_unassigned, action: Todo::MARKED)
+      end
+    end
   end
 
   def should_create_todo(attributes = {})