New todos blank state

Closes #20833

4 files changed, 252 insertions, 61 deletions

diff --git a/app/assets/stylesheets/pages/todos.scss b/app/assets/stylesheets/pages/todos.scss
index ea76fe18876..f76436b2b8b 100644
--- a/app/assets/stylesheets/pages/todos.scss
+++ b/app/assets/stylesheets/pages/todos.scss
@@ -161,3 +161,59 @@
     }
   }
 }
+
+.todos-empty {
+  display: -webkit-flex;
+  display: flex;
+  flex-direction: column;
+  max-width: 900px;
+  margin-left: auto;
+  margin-right: auto;
+
+  @media (min-width: $screen-sm-min) {
+    flex-direction: row;
+    padding-top: 80px;
+  }
+}
+
+.todos-empty-content {
+  align-self: center;
+  max-width: 480px;
+  margin-right: 20px;
+}
+
+.todos-empty-hero {
+  width: 200px;
+  margin-left: auto;
+  margin-right: auto;
+
+  @media (min-width: $screen-sm-min) {
+    width: 300px;
+    margin-right: 0;
+    order: 2;
+  }
+}
+
+.todos-all-done {
+  padding-top: 20px;
+
+  @media (min-width: $screen-sm-min) {
+    padding-top: 50px;
+  }
+
+  > svg {
+    display: block;
+    max-width: 300px;
+    margin: 0 auto 20px;
+  }
+
+  p {
+    max-width: 470px;
+    margin-left: auto;
+    margin-right: auto;
+  }
+
+  a {
+    font-weight: 600;
+  }
+}
diff --git a/app/views/dashboard/todos/index.html.haml b/app/views/dashboard/todos/index.html.haml
index 2a0302638ba..ff13254e0f5 100644
--- a/app/views/dashboard/todos/index.html.haml
+++ b/app/views/dashboard/todos/index.html.haml
@@ -1,69 +1,70 @@
 - page_title "Todos"
 - header_title "Todos", dashboard_todos_path
 
-.top-area
-  %ul.nav-links
-    - todo_pending_active = ('active' if params[:state].blank? || params[:state] == 'pending')
-    %li{class: "todos-pending #{todo_pending_active}"}
-      = link_to todos_filter_path(state: 'pending') do
-        %span
-          To do
-        %span.badge
-          = number_with_delimiter(todos_pending_count)
-    - todo_done_active = ('active' if params[:state] == 'done')
-    %li{class: "todos-done #{todo_done_active}"}
-      = link_to todos_filter_path(state: 'done') do
-        %span
-          Done
-        %span.badge
-          = number_with_delimiter(todos_done_count)
+- if current_user.todos.any?
+  .top-area
+    %ul.nav-links
+      - todo_pending_active = ('active' if params[:state].blank? || params[:state] == 'pending')
+      %li{class: "todos-pending #{todo_pending_active}"}
+        = link_to todos_filter_path(state: 'pending') do
+          %span
+            To do
+          %span.badge
+            = number_with_delimiter(todos_pending_count)
+      - todo_done_active = ('active' if params[:state] == 'done')
+      %li{class: "todos-done #{todo_done_active}"}
+        = link_to todos_filter_path(state: 'done') do
+          %span
+            Done
+          %span.badge
+            = number_with_delimiter(todos_done_count)
 
-  .nav-controls
-    - if @todos.any?(&:pending?)
-      = link_to destroy_all_dashboard_todos_path(todos_filter_params), class: 'btn btn-loading js-todos-mark-all', method: :delete do
-        Mark all as done
-        = icon('spinner spin')
+    .nav-controls
+      - if @todos.any?(&:pending?)
+        = link_to destroy_all_dashboard_todos_path(todos_filter_params), class: 'btn btn-loading js-todos-mark-all', method: :delete do
+          Mark all as done
+          = icon('spinner spin')
 
-.todos-filters
-  .row-content-block.second-block
-    = form_tag todos_filter_path(without: [:project_id, :author_id, :type, :action_id]), method: :get, class: 'filter-form' do
-      .filter-item.inline
-        - if params[:project_id].present?
-          = hidden_field_tag(:project_id, params[:project_id])
-        = dropdown_tag(project_dropdown_label(params[:project_id], 'Project'), options: { toggle_class: 'js-project-search js-filter-submit', title: 'Filter by project', filter: true, filterInput: 'input#project-search', dropdown_class: 'dropdown-menu-selectable dropdown-menu-project js-filter-submit',
-          placeholder: 'Search projects', data: { data: todo_projects_options } })
-      .filter-item.inline
-        - if params[:author_id].present?
-          = hidden_field_tag(:author_id, params[:author_id])
-        = dropdown_tag(user_dropdown_label(params[:author_id], 'Author'), options: { toggle_class: 'js-user-search js-filter-submit js-author-search', title: 'Filter by author', filter: true, filterInput: 'input#author-search', dropdown_class: 'dropdown-menu-user dropdown-menu-selectable dropdown-menu-author js-filter-submit',
-          placeholder: 'Search authors', data: { any_user: 'Any Author', first_user: (current_user.username if current_user), current_user: true, project_id: (@project.id if @project), selected: params[:author_id], field_name: 'author_id', default_label: 'Author' } })
-      .filter-item.inline
-        - if params[:type].present?
-          = hidden_field_tag(:type, params[:type])
-        = dropdown_tag(todo_types_dropdown_label(params[:type], 'Type'), options: { toggle_class: 'js-type-search js-filter-submit', dropdown_class: 'dropdown-menu-selectable dropdown-menu-type js-filter-submit',
-          data: { data: todo_types_options } })
-      .filter-item.inline.actions-filter
-        - if params[:action_id].present?
-          = hidden_field_tag(:action_id, params[:action_id])
-        = dropdown_tag(todo_actions_dropdown_label(params[:action_id], 'Action'), options: { toggle_class: 'js-action-search js-filter-submit', dropdown_class: 'dropdown-menu-selectable dropdown-menu-action js-filter-submit',
-          data: { data: todo_actions_options }})
-      .pull-right
-        .dropdown.inline.prepend-left-10
-          %button.dropdown-toggle.btn{type: 'button', 'data-toggle' => 'dropdown'}
-            %span.light
-            - if @sort.present?
-              = sort_options_hash[@sort]
-            - else
-              = sort_title_recently_created
-            = icon('caret-down')
-          %ul.dropdown-menu.dropdown-menu-align-right.dropdown-menu-sort
-            %li
-              = link_to todos_filter_path(sort: sort_value_priority) do
-                = sort_title_priority
-              = link_to todos_filter_path(sort: sort_value_recently_created) do
+  .todos-filters
+    .row-content-block.second-block
+      = form_tag todos_filter_path(without: [:project_id, :author_id, :type, :action_id]), method: :get, class: 'filter-form' do
+        .filter-item.inline
+          - if params[:project_id].present?
+            = hidden_field_tag(:project_id, params[:project_id])
+          = dropdown_tag(project_dropdown_label(params[:project_id], 'Project'), options: { toggle_class: 'js-project-search js-filter-submit', title: 'Filter by project', filter: true, filterInput: 'input#project-search', dropdown_class: 'dropdown-menu-selectable dropdown-menu-project js-filter-submit',
+            placeholder: 'Search projects', data: { data: todo_projects_options } })
+        .filter-item.inline
+          - if params[:author_id].present?
+            = hidden_field_tag(:author_id, params[:author_id])
+          = dropdown_tag(user_dropdown_label(params[:author_id], 'Author'), options: { toggle_class: 'js-user-search js-filter-submit js-author-search', title: 'Filter by author', filter: true, filterInput: 'input#author-search', dropdown_class: 'dropdown-menu-user dropdown-menu-selectable dropdown-menu-author js-filter-submit',
+            placeholder: 'Search authors', data: { any_user: 'Any Author', first_user: (current_user.username if current_user), current_user: true, project_id: (@project.id if @project), selected: params[:author_id], field_name: 'author_id', default_label: 'Author' } })
+        .filter-item.inline
+          - if params[:type].present?
+            = hidden_field_tag(:type, params[:type])
+          = dropdown_tag(todo_types_dropdown_label(params[:type], 'Type'), options: { toggle_class: 'js-type-search js-filter-submit', dropdown_class: 'dropdown-menu-selectable dropdown-menu-type js-filter-submit',
+            data: { data: todo_types_options } })
+        .filter-item.inline.actions-filter
+          - if params[:action_id].present?
+            = hidden_field_tag(:action_id, params[:action_id])
+          = dropdown_tag(todo_actions_dropdown_label(params[:action_id], 'Action'), options: { toggle_class: 'js-action-search js-filter-submit', dropdown_class: 'dropdown-menu-selectable dropdown-menu-action js-filter-submit',
+            data: { data: todo_actions_options }})
+        .pull-right
+          .dropdown.inline.prepend-left-10
+            %button.dropdown-toggle.btn{type: 'button', 'data-toggle' => 'dropdown'}
+              %span.light
+              - if @sort.present?
+                = sort_options_hash[@sort]
+              - else
                 = sort_title_recently_created
-              = link_to todos_filter_path(sort: sort_value_oldest_created) do
-                = sort_title_oldest_created
+              = icon('caret-down')
+            %ul.dropdown-menu.dropdown-menu-align-right.dropdown-menu-sort
+              %li
+                = link_to todos_filter_path(sort: sort_value_priority) do
+                  = sort_title_priority
+                = link_to todos_filter_path(sort: sort_value_recently_created) do
+                  = sort_title_recently_created
+                = link_to todos_filter_path(sort: sort_value_oldest_created) do
+                  = sort_title_oldest_created
 
 
 .prepend-top-default
@@ -78,5 +79,28 @@
         %ul.content-list.todos-list
           = render group[1]
     = paginate @todos, theme: "gitlab"
+  - elsif current_user.todos.any?
+    .todos-all-done
+      = render "shared/empty_states/todos_all_done.svg"
+      %h4.text-center
+        Good job! Looks like you don't have any todos left.
+      %p.text-center
+        Are you looking for things to do? Take a look at
+        = succeed "," do
+          = link_to "the opened issues", issues_dashboard_path
+        = link_to "contribute to merge requests", merge_requests_dashboard_path
+        or mention someone in a comment to assign a new todo automatically.
   - else
-    .nothing-here-block You're all done!
+    .todos-empty
+      .todos-empty-hero
+        = render "shared/empty_states/todos_empty.svg"
+      .todos-empty-content
+        %h4
+          Todos let you see what you should do next.
+        %p
+          When an issue or merge request is assigned to you, or when you
+          %strong
+            @mention
+          in a comment, this will trigger a new item in your todo list, automatically.
+        %p
+          You will always know what to work on next.
diff --git a/app/views/shared/empty_states/_todos_all_done.svg b/app/views/shared/empty_states/_todos_all_done.svg
new file mode 100644
index 00000000000..94b5c2e0ea0
--- /dev/null
+++ b/app/views/shared/empty_states/_todos_all_done.svg
@@ -0,0 +1 @@
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diff --git a/app/views/shared/empty_states/_todos_empty.svg b/app/views/shared/empty_states/_todos_empty.svg
new file mode 100644
index 00000000000..b1e661268fb
--- /dev/null
+++ b/app/views/shared/empty_states/_todos_empty.svg
@@ -0,0 +1,110 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 284 337" xmlns:xlink="http://www.w3.org/1999/xlink">
+  <defs>
+    <rect id="a" width="180" height="220" x="66.2" y="74.4" rx="6"/>
+    <mask id="l" width="180" height="220" x="0" y="0" fill="#fff">
+      <use xlink:href="#a"/>
+    </mask>
+    <rect id="b" width="180" height="220" rx="6"/>
+    <mask id="m" width="180" height="220" x="0" y="0" fill="#fff">
+      <use xlink:href="#b"/>
+    </mask>
+    <rect id="c" width="28" height="28" rx="4"/>
+    <mask id="n" width="28" height="28" x="0" y="0" fill="#fff">
+      <use xlink:href="#c"/>
+    </mask>
+    <rect id="d" width="28" height="28" rx="4"/>
+    <mask id="o" width="28" height="28" x="0" y="0" fill="#fff">
+      <use xlink:href="#d"/>
+    </mask>
+    <circle id="e" cx="21.5" cy="21.5" r="21.5"/>
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+    </mask>
+    <circle id="f" cx="26.5" cy="26.5" r="26.5"/>
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+    <circle id="g" cx="9.5" cy="4.5" r="4.5"/>
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+      <path fill="#fff" d="M3-2h13v13H3z"/>
+      <use xlink:href="#g"/>
+    </mask>
+    <circle id="h" cx="26.5" cy="26.5" r="26.5"/>
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+    <circle id="i" cx="21.5" cy="21.5" r="21.5"/>
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+    <path id="j" d="M18 38h15c10.5 0 19-8.5 19-19S43.5 0 33 0H19C8.5 0 0 8.5 0 19c0 6.3 3 12 7.8 15.3l5.2 9c.6 1 1.4 1 2 0l3-5.3z"/>
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+  </defs>
+  <g fill="none" fill-rule="evenodd" transform="translate(-6 -4)">
+    <use stroke="#EEE" stroke-width="6" mask="url(#l)" transform="rotate(-5 156.245 184.425)" xlink:href="#a"/>
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+      <g transform="translate(29 69)">
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+      <g transform="translate(28 160)">
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+        <rect width="43" height="3" x="41" y="17" fill="#ECECEC" rx="1.5"/>
+      </g>
+      <g transform="translate(28 116)">
+        <use stroke="#E5E5E5" stroke-width="6" mask="url(#o)" xlink:href="#d"/>
+        <rect width="86" height="3" x="41" y="7" fill="#E5E5E5" rx="1.5"/>
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+    </g>
+    <g transform="rotate(-15 601.917 -782.362)">
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+      <text fill="#6B4FBB" font-family="SourceSansPro-Black, Source Sans Pro" font-size="20" font-weight="700" letter-spacing="-.1">
+        <tspan x="12" y="27">@</tspan>
+      </text>
+    </g>
+    <g transform="rotate(15 -686.59 1035.907)">
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