Add task complete/uncomplete functionality [SCI-999]

app/assets/javascripts/my_modules.js

@@ -58,7 +58,7 @@ function bindEditDueDateAjax() {
 
   $(".due-date-link")
   .on("ajax:success", function (ev, data, status) {
-    var dueDateLink = $(".due-date-refresh");
+    var dueDateLink = $('.task-due-date');
 
     // Load contents
     editDueDateModalBody.html(data.html);
@@ -217,6 +217,42 @@ function bindEditTagsAjax() {
   });
 }
 
+// Sets callback for completing/uncompleting task
+function applyTaskCompletedCallBack() {
+  // First, remove old event handlers, as we use turbolinks
+  $("[data-action='complete-task'], [data-action='uncomplete-task']").off();
+
+  $("[data-action='complete-task'], [data-action='uncomplete-task']")
+  .on('click', function() {
+    var button = $(this);
+    $.ajax({
+      url: button.data('link-url'),
+      type: 'POST',
+      dataType: 'json',
+      success: function(data) {
+        if (data.completed === true) {
+          button.attr('data-action', 'uncomplete-task');
+          button.find('.btn')
+            .removeClass('btn-primary').addClass('btn-default');
+        } else {
+          button.attr('data-action', 'complete-task');
+          button.find('.btn')
+            .removeClass('btn-default').addClass('btn-primary');
+        }
+        $('.task-due-date').html(data.module_header_due_date_label);
+        $('.task-state-label').html(data.module_state_label);
+        button.find('button').html(data.new_title);
+      },
+      error: function() {
+      }
+    });
+  });
+}
+
+$(document).ready(function() {
+  applyTaskCompletedCallBack();
+});
+
 bindEditDueDateAjax();
 bindEditDescriptionAjax();
 bindEditTagsAjax();

app/assets/javascripts/my_modules/protocols.js.erb

@@ -75,7 +75,7 @@ function bindEditDueDateAjax() {
 
   $(".due-date-link")
   .on("ajax:success", function(ev, data, status) {
-    var dueDateLink = $(".due-date-refresh");
+    var dueDateLink = $(".task-due-date");
 
     // Load contents
     editDueDateModalBody.html(data.html);

app/assets/javascripts/protocols/steps.js.erb

@@ -26,6 +26,9 @@ function applyCheckboxCallBack()  {
 
 // Sets callback for completing/uncompleting step
 function applyStepCompletedCallBack() {
+  // First, remove old event handlers, as we use turbolinks
+  $("[data-action='complete-step'], [data-action='uncomplete-step']").off();
+
   $("[data-action='complete-step'], [data-action='uncomplete-step']").on('click', function(e){
     var button = $(this);
     var step = $(this).parents(".step");
@@ -44,6 +47,15 @@ function applyStepCompletedCallBack() {
           button = step.find("[data-action='complete-step']");
           button.attr("data-action", "uncomplete-step");
           button.find(".btn").removeClass("btn-primary").addClass("btn-default");
+          if (data.task_completed) {
+            task_button = $("[data-action='complete-task']");
+            task_button.attr('data-action', 'uncomplete-task');
+            task_button.find('.btn')
+              .removeClass('btn-primary').addClass('btn-default');
+            $('.task-due-date').html(data.module_header_due_date_label);
+            $('.task-state-label').html(data.module_state_label);
+            task_button.find('button').html(data.task_button_title);
+          }
         }
         else {
           step.addClass("not-completed").removeClass("completed");

app/assets/stylesheets/constants.scss

@@ -30,6 +30,7 @@ $color-cloud: rgba(0, 0, 0, .1);
 // Miscelaneous colors
 $color-mystic: #eaeff2;
 $color-candlelight: #ffda23;
+$color-saturated-green: #008600;
 
 // Red colors
 $color-mojo: #cf4b48;

app/assets/stylesheets/my_modules.scss

@@ -4,6 +4,22 @@
 
 @import 'constants';
 
+  // Protocols index page
+.task-due-date,
+.task-state-label {
+  .alert-green {
+    color: $color-saturated-green;
+  }
+
+  .alert-yellow {
+    color: $color-candlelight;
+  }
+
+  .alert-red {
+    color: $color-milano-red;
+  }
+}
+
 /* Results index page */
 
 #results {

app/assets/stylesheets/projects.scss

@@ -207,6 +207,10 @@ path, ._jsPlumb_endpoint {
     color: $color-emperor;
   }
 
+  .panel-body .due-date-label {
+    margin-left: 30px;
+  }
+
   &.expanded {
     z-index: 30;
   }
@@ -217,6 +221,16 @@ path, ._jsPlumb_endpoint {
   &.module-hover {
     @include box-shadow(0 0 0 5px $color-module-hover);
   }
+
+  &.alert-green .panel-body {
+    color: $color-saturated-green;
+    font-weight: bold;
+
+    .due-date-link {
+      color: $color-saturated-green;
+    }
+  }
+
   &.alert-yellow .panel-body {
     color: $color-candlelight;
     font-weight: bold;
@@ -249,6 +263,13 @@ path, ._jsPlumb_endpoint {
   &.module-hover {
     @include box-shadow(0 0 0 5px $color-module-hover);
   }
+
+  &.alert-green {
+    border-color: $color-saturated-green;
+    border-radius: 8px;
+    border-width: 4px;
+  }
+
   &.alert-yellow {
     border-color: $color-candlelight;
     border-width: 4px;
@@ -321,6 +342,11 @@ path, ._jsPlumb_endpoint {
   &.module-hover {
     @include box-shadow(0 0 0 5px $color-module-hover);
   }
+
+  &.alert-green {
+    border-color: $color-saturated-green;
+  }
+
   &.alert-yellow {
     border-color: $color-candlelight;
   }

app/controllers/my_modules_controller.rb

@@ -8,7 +8,7 @@ class MyModulesController < ApplicationController
     :description, :due_date, :protocols, :results,
     :samples, :activities, :activities_tab,
     :assign_samples, :unassign_samples,
-    :delete_samples,
+    :delete_samples, :toggle_task_state,
     :samples_index, :archive]
   before_action :load_vars_nested, only: [:new, :create]
   before_action :check_edit_permissions, only: [
@@ -192,8 +192,13 @@ class MyModulesController < ApplicationController
       if saved
         format.json {
           alerts = []
-          alerts << "alert-red" if @my_module.is_overdue?
-          alerts << "alert-yellow" if @my_module.is_one_day_prior?
+          if @my_module.is_overdue? && !@my_module.completed?
+            alerts << 'alert-red'
+          elsif @my_module.is_one_day_prior? && !@my_module.completed?
+            alerts << 'alert-yellow'
+          elsif @my_module.completed?
+            alerts << 'alert-green'
+          end
           render json: {
             status: :ok,
             due_date_label: render_to_string(
@@ -339,6 +344,82 @@ class MyModulesController < ApplicationController
     end
   end
 
+  # Complete/uncomplete task
+  def toggle_task_state
+    respond_to do |format|
+      if can_complete_module(@my_module)
+        @my_module.completed? ? @my_module.uncomplete : @my_module.complete
+        completed = @my_module.completed?
+        if @my_module.save
+          # Create activity
+          str = if completed
+                  'activities.complete_module'
+                else
+                  'activities.uncomplete_module'
+                end
+          message = t(str,
+                      user: current_user.full_name,
+                      module: @my_module.name)
+          Activity.create(
+            user: current_user,
+            project: @project,
+            my_module: @my_module,
+            message: message,
+            type_of: completed ? :complete_task : :uncomplete_task
+          )
+
+          if completed
+            title = I18n.t('notifications.types.recent_changes')
+            message = I18n.t('notifications.task_completed',
+              user: current_user.name,
+              module: @my_module.name,
+              date: l(@my_module.completed_on, format: :full),
+              project: @project.name,
+              experiment: @my_module.experiment.name)
+
+            notification = Notification.create(
+              type_of: :recent_changes,
+              title: title,
+              message: sanitize_input(message),
+              generator_user_id: current_user.id
+            )
+            if current_user.recent_notification
+              UserNotification.create(
+                notification: notification, user: current_user
+              )
+            end
+          end
+
+          # Create localized title for complete/uncomplete button
+          button_title = if completed
+                           t('my_modules.buttons.uncomplete')
+                         else
+                           t('my_modules.buttons.complete')
+                         end
+
+          format.json do
+            render json: {
+              new_title: button_title,
+              completed: completed,
+              module_header_due_date_label: render_to_string(
+                partial: 'my_modules/module_header_due_date_label.html.erb',
+                locals: { my_module: @my_module }
+              ),
+              module_state_label: render_to_string(
+                partial: 'my_modules/module_state_label.html.erb',
+                locals: { my_module: @my_module }
+              )
+            }
+          end
+        else
+          format.json { render json: {}, status: :unprocessable_entity }
+        end
+      else
+        format.json { render json: {}, status: :unauthorized }
+      end
+    end
+  end
+
   private
 
   def load_vars

app/controllers/steps_controller.rb

@@ -302,6 +302,10 @@ class StepsController < ApplicationController
           end
 
           if step.save
+            if protocol.in_module?
+              task_completed = protocol.my_module.check_completness
+            end
+
             # Create activity
             if changed
               completed_steps = protocol.steps.where(completed: true).count
@@ -336,10 +340,29 @@ class StepsController < ApplicationController
             localized_title = !completed ?
               t("protocols.steps.options.complete_title") :
               t("protocols.steps.options.uncomplete_title")
-
-            format.json {
-              render json: {new_title: localized_title}, status: :accepted
-            }
+            task_button_title =
+              t('my_modules.buttons.uncomplete') if task_completed
+            format.json do
+              if task_completed
+                render json: {
+                  new_title: localized_title,
+                  task_completed: task_completed,
+                  task_button_title: task_button_title,
+                  module_header_due_date_label: render_to_string(
+                    partial: 'my_modules/module_header_due_date_label.html.erb',
+                    locals: { my_module: step.protocol.my_module }
+                  ),
+                  module_state_label: render_to_string(
+                    partial: 'my_modules/module_state_label.html.erb',
+                    locals: { my_module: step.protocol.my_module }
+                  )
+                },
+                status: :accepted
+              else
+                render json: { new_title: localized_title },
+                status: :accepted
+              end
+            end
           else
             format.json {
               render json: {}, status: :unprocessable_entity

app/helpers/permission_helper.rb

@@ -530,6 +530,10 @@ module PermissionHelper
     is_user_or_higher_of_project(my_module.experiment.project)
   end
 
+  def can_complete_module(my_module)
+    is_technician_or_higher_of_project(my_module.experiment.project)
+  end
+
   # ---- RESULTS PERMISSIONS ----
 
   def can_view_results_in_module(my_module)

app/models/activity.rb

@@ -52,7 +52,9 @@ class Activity < ActiveRecord::Base
     :delete_report,
     :edit_report,
     :assign_sample,
-    :unassign_sample
+    :unassign_sample,
+    :complete_task,
+    :uncomplete_task
   ]
 
   validates :type_of, presence: true

app/models/my_module.rb

@@ -1,6 +1,8 @@
 class MyModule < ActiveRecord::Base
   include ArchivableModel, SearchableModel
 
+  enum state: Extends::TASKS_STATES
+
   before_create :create_blank_protocol
 
   auto_strip_attributes :name, :description, nullify: false
@@ -375,6 +377,36 @@ class MyModule < ActiveRecord::Base
     { x: 0, y: positions.last[1] + HEIGHT }
   end
 
+  def completed?
+    state == 'completed'
+  end
+
+  # Mark task completed if all steps become completed
+  def check_completness
+    if protocol && protocol.steps.count > 0
+      completed = true
+      protocol.steps.find_each do |step|
+        completed = false unless step.completed
+      end
+      if completed
+        complete
+        save!
+        return true
+      end
+    end
+    false
+  end
+
+  def complete
+    self.state = 'completed'
+    self.completed_on = DateTime.now
+  end
+
+  def uncomplete
+    self.state = 'uncompleted'
+    self.completed_on = nil
+  end
+
   private
 
   def create_blank_protocol

app/views/canvas/full_zoom/_my_module.html.erb

@@ -1,4 +1,7 @@
-<div class="panel panel-default module-large<%= " alert-red" if my_module.is_overdue? %><%= " alert-yellow" if my_module.is_one_day_prior? %>"
+<div class="panel panel-default module-large
+  <%= " alert-red" if my_module.is_overdue? && !my_module.completed? %>
+  <%= " alert-yellow" if my_module.is_one_day_prior? && !my_module.completed? %>
+  <%= " alert-green" if my_module.completed? %>"
   id="<%= my_module.id %>"
   data-module-id="<%= my_module.id %>"
   data-module-name="<%= my_module.name %>"
@@ -30,20 +33,13 @@
   </div>
 
   <div class="panel-body">
-    <div class="row">
-        <div class="col-xs-6">
-          <%= link_to_if can_edit_module(my_module) && can_edit_modules(my_module.experiment), t("experiments.canvas.full_zoom.due_date"), due_date_my_module_path(my_module, format: :json), remote: true, class: "due-date-link" %>
-        </div>
-        <div class="col-xs-6">
-            <% if can_edit_module(my_module) && can_edit_modules(my_module.experiment) %>
-              <%= link_to due_date_my_module_path(my_module, format: :json), remote: true, class: "due-date-link due-date-refresh" do %>
-                <%= render partial: "my_modules/due_date_label.html.erb", locals: { my_module: my_module } %>
-              <% end %>
-            <% else %>
-              <%= render partial: "my_modules/due_date_label.html.erb", locals: { my_module: my_module } %>
-            <% end %>
-        </div>
-    </div>
+    <% if can_edit_module(my_module) && can_edit_modules(my_module.experiment) %>
+      <%= link_to due_date_my_module_path(my_module, format: :json), remote: true, class: "due-date-link due-date-refresh" do %>
+        <%= render partial: "my_modules/due_date_label.html.erb", locals: { my_module: my_module } %>
+      <% end %>
+    <% else %>
+      <%= render partial: "my_modules/due_date_label.html.erb", locals: { my_module: my_module } %>
+    <% end %>
   </div>
 
   <div class="panel-footer panel-footer-scinote buttons-container">

app/views/canvas/medium_zoom/_my_module.html.erb

@@ -1,4 +1,7 @@
-<div class="panel panel-default module-medium<%= " alert-red" if my_module.is_overdue? %><%= " alert-yellow" if my_module.is_one_day_prior? %>"
+<div class="panel panel-default module-medium
+  <%= " alert-red" if my_module.is_overdue? && !my_module.completed? %>
+  <%= " alert-yellow" if my_module.is_one_day_prior? && !my_module.completed? %>
+  <%= " alert-green" if my_module.completed? %>"
   id="<%= my_module.id %>"
   data-module-id="<%= my_module.id %>"
   data-module-name="<%= my_module.name %>"

app/views/canvas/small_zoom/_my_module.html.erb

@@ -1,4 +1,7 @@
-<div class="module-small<%= " alert-red" if my_module.is_overdue? %><%= " alert-yellow" if my_module.is_one_day_prior? %>"
+<div class="module-small
+  <%= " alert-red" if my_module.is_overdue? && !my_module.completed? %>
+  <%= " alert-yellow" if my_module.is_one_day_prior? && !my_module.completed? %>
+  <%= " alert-green" if my_module.completed? %>"
   id="<%= my_module.id %>"
   data-module-id="<%= my_module.id %>"
   data-module-name="<%= my_module.name %>"

app/views/my_modules/_due_date.html.erb

@@ -1,3 +1,3 @@
 <%= bootstrap_form_for @my_module, url: my_module_path(@my_module, format: :json), remote: :true do |f| %>
   <%= f.datetime_picker :due_date, label: t("my_modules.due_date.label"), clear: true %>
-<% end %>
+<% end %>

app/views/my_modules/_due_date_label.html.erb

@@ -1,8 +1,29 @@
-<% if my_module.due_date then %>
-  <%=l my_module.due_date, format: :full_date %>
-  <% if my_module.is_overdue? or my_module.is_one_day_prior? %>
+<% if my_module.completed? %>
+  <%= t("my_modules.states.completed") %>
+  <span class="due-date-label">
+    <%= l(my_module.completed_on, format: :full_date) %>
+    <span class="glyphicon glyphicon-ok"></span>
+  </span>
+<% elsif my_module.is_one_day_prior? %>
+  <%= t("my_modules.states.due_soon") %>
+  <span class="due-date-label">
+    <%=l my_module.due_date, format: :full_date %>
     <span class="glyphicon glyphicon-alert"></span>
-  <% end %>
+  </span>
+<% elsif my_module.is_overdue? %>
+  <%= t("my_modules.states.overdue") %>
+  <span class="due-date-label">
+    <%=l my_module.due_date, format: :full_date %>
+    <span class="glyphicon glyphicon-alert"></span>
+  </span>
+<% elsif my_module.due_date %>
+  <%= t("experiments.canvas.full_zoom.due_date") %>
+  <span class="due-date-label">
+      <%=l my_module.due_date, format: :full_date %>
+  </span>
 <% else %>
-  <em><%=t "experiments.canvas.full_zoom.no_due_date" %></em>
+  <%= t("experiments.canvas.full_zoom.due_date") %>
+  <span class="due-date-label">
+    <em><%=t "experiments.canvas.full_zoom.no_due_date" %></em>
+  </span>
 <% end %>

app/views/my_modules/_module_header.html.erb

@@ -1,5 +1,5 @@
 <div class="row">
-  <div class="col-xs-6 col-sm-6 col-md-3">
+  <div class="col-xs-6 col-sm-6 col-md-4">
     <div class="badge-icon bg-primary">
       <span class="glyphicon glyphicon-calendar"></span>
     </div>
@@ -9,7 +9,7 @@
     </div>
   </div>
 
-  <div class="col-xs-6 col-sm-6 col-md-3">
+  <div class="col-xs-6 col-sm-6 col-md-4">
     <div class="badge-icon bg-primary">
       <% if can_edit_module(@my_module) then %>
         <%= link_to due_date_my_module_path(@my_module, format: :json), remote: true, class: "due-date-link", style: "color: inherit" do %>
@@ -22,18 +22,35 @@
     <div class="well well-sm">
       <span class="hidden-xs hidden-sm  hidden-md"><%=t "my_modules.module_header.due_date" %></span>
       <% if can_edit_module(@my_module) then %>
-        <%= link_to due_date_my_module_path(@my_module, format: :json), remote: true, class: "due-date-link due-date-refresh", style: "color: inherit" do %>
+        <%= link_to due_date_my_module_path(@my_module, format: :json), remote: true, class: "due-date-link", style: "color: inherit" do %>
+          <span class="task-due-date">
             <%= render partial: "module_header_due_date_label.html.erb",
               locals: { my_module: @my_module } %>
+          </span>
         <% end %>
       <% else %>
+        <span class="task-due-date">
           <%= render partial: "module_header_due_date_label.html.erb",
             locals: { my_module: @my_module } %>
+        </span>
       <% end %>
     </div>
   </div>
 
-   <div class="col-xs-12 col-sm-12 col-md-6" id="module-tags" data-module-tags-url="<%= my_module_my_module_tags_url(@my_module, format: :json) %>">
+  <div class="col-xs-6 col-sm-6 col-md-4">
+    <div class="badge-icon bg-primary">
+      <span class="glyphicon glyphicon-ok"></span>
+    </div>
+    <div class="well well-sm">
+      <span class="task-state-label">
+      <%= render partial: "module_state_label.html.erb",
+        locals: { my_module: @my_module } %>
+      </span>
+    </div>
+  </div>
+</div>
+<div class="row">
+  <div class="col-xs-12 col-sm-12 col-md-12" id="module-tags" data-module-tags-url="<%= my_module_my_module_tags_url(@my_module, format: :json) %>">
     <div class="badge-icon bg-primary">
       <% if can_edit_tags_for_module(@my_module) %>
         <a class="edit-tags-link" data-remote="true" href="<%= my_module_tags_edit_url(@my_module, format: :json) %>" style="color: inherit">

app/views/my_modules/_module_header_due_date_label.html.erb

@@ -1,5 +1,23 @@
-<% if @my_module.due_date.blank? %>
+<% if my_module.due_date.blank? %>
   <em><%=t "experiments.canvas.full_zoom.no_due_date" %></em>
 <% else %>
-  <strong><%= l(@my_module.due_date, format: :full) %></strong>
-<% end %>
+  <strong>
+    <% if my_module.completed? %>
+      <span class="alert-green">
+        <%= l(my_module.due_date, format: :full) %>
+      </span>
+    <% elsif my_module.is_one_day_prior? %>
+      <span class="alert-yellow">
+        <%= l(my_module.due_date, format: :full) %>
+        (<%= t('my_modules.states.due_soon') %>)
+      </span>
+    <% elsif my_module.is_overdue? %>
+      <span class="alert-red">
+        <%= l(my_module.due_date, format: :full) %>
+        (<%= t('my_modules.states.overdue') %>)
+      </span>
+    <% else %>
+      <%= l(my_module.due_date, format: :full) %>
+    <% end %>
+  </strong>
+<% end %>

app/views/my_modules/_module_state_label.html.erb

@@ -0,0 +1,8 @@
+<%= t('my_modules.states.state_label') %>
+<% if my_module.completed? %>
+  <strong class="alert-green">
+    <%= t('my_modules.states.completed_on', date: l(my_module.completed_on, format: :full_date)) %>
+  </strong>
+<% else %>
+  <strong><%= t('my_modules.states.in_progress') %></strong>
+<% end %>

app/views/my_modules/_state_buttons.html.erb

@@ -0,0 +1,15 @@
+<div class="btn-group" style="margin-left: 15px;">
+  <% if !@my_module.completed? %>
+    <div data-action="complete-task" data-link-url="<%= toggle_task_state_my_module_path(@my_module) %>">
+      <button class="btn btn-primary">
+        <%= t("my_modules.buttons.complete") %>
+      </button>
+    </div>
+  <% else @my_module.completed? %>
+    <div data-action="uncomplete-task" data-link-url="<%= toggle_task_state_my_module_path(@my_module) %>">
+      <button class="btn btn-default">
+        <%= t("my_modules.buttons.uncomplete") %>
+      </button>
+    </div>
+  <% end %>
+</div>

app/views/my_modules/protocols.html.erb

@@ -9,6 +9,7 @@
     <%= render partial: "my_modules/protocols/protocol_status_bar.html.erb" %>
   </div>
   <%= render partial: "my_modules/protocols/protocol_buttons.html.erb" %>
+  <%= render partial: "my_modules/state_buttons.html.erb" %>
 </div>
 
 <div data-role="steps-container">

app/views/reports/elements/_my_module_element.html.erb

@@ -25,6 +25,10 @@
         <% else %>
           <em><%=t "projects.reports.elements.module.no_due_date" %></em>
         <% end %>
+        <% if my_module.completed? %>
+          <%= t("my_modules.states.completed") %>
+          <%= l(my_module.completed_on, format: :full) %>
+        <% end %>
       </div>
     </div>
     <div class="row">

config/initializers/extends.rb

@@ -14,4 +14,7 @@ class Extends
   NOTIFICATIONS_TYPES = { assignment: 0,
                           recent_changes: 1,
                           system_message: 2 }
+
+  TASKS_STATES = { uncompleted: 0,
+                    completed: 1 }
 end

config/locales/en.yml

@@ -430,12 +430,22 @@ en:
       add_user_generic_error: "An error occured. "
 
   my_modules:
+    buttons:
+      complete: "Complete task"
+      uncomplete: "Uncomplete task"
     description:
       title: "Edit task %{module} description"
       label: "Description"
     due_date:
       title: "Edit task %{module} due date"
       label: "Due date"
+    states:
+      state_label: "Status:"
+      in_progress: "In progress"
+      completed: "Completed on"
+      completed_on: "Task completed (%{date})"
+      due_soon: "due soon"
+      overdue: "overdue"
     samples:
       head_title: "%{project} | %{module} | Sample library"
     module_archive:
@@ -979,6 +989,8 @@ en:
     archive_module: "<i>%{user}</i> moved task <strong>%{module}</strong> to archive."
     restore_module: "<i>%{user}</i> restored task <strong>%{module}</strong> from archive."
     change_module_description: "<i>%{user}</i> changed task <strong>%{module}</strong>'s description."
+    complete_module: "<i>%{user}</i> completed task <strong>%{module}</strong>."
+    uncomplete_module: "<i>%{user}</i> uncompleted task <strong>%{module}</strong>."
     create_step: "<i>%{user}</i> created Step %{step} <strong>%{step_name}</strong>."
     destroy_step: "<i>%{user}</i> deleted Step %{step} <strong>%{step_name}</strong>."
     add_comment_to_step: "<i>%{user}</i> commented on Step %{step} <strong>%{step_name}</strong>."
@@ -1455,6 +1467,7 @@ en:
     email_title: "You've received a sciNote notification!"
     assign_user_to_team: "<i>%{assigned_user}</i> was added as %{role} to team <strong>%{team}</strong> by <i>%{assigned_by_user}</i>."
     unassign_user_from_team: "<i>%{unassigned_user}</i> was removed from team <strong>%{team}</strong> by <i>%{unassigned_by_user}</i>."
+    task_completed: "%{user} completed task %{module}. %{date} | Project: %{project} | Experiment: %{experiment}"
 
   atwho:
     no_results: "No results found"

config/routes.rb

@@ -268,6 +268,7 @@ Rails.application.routes.draw do
       get 'results' # Results view for single module
       get 'samples' # Samples view for single module
       get 'archive' # Archive view for single module
+      post 'toggle_task_state'
       # Renders sample datatable for single module (ajax action)
       post 'samples_index'
       post :assign_samples,

db/migrate/20170207100731_add_state_to_tasks.rb

@@ -0,0 +1,18 @@
+class AddStateToTasks < ActiveRecord::Migration
+  def up
+    add_column :my_modules,
+               :state,
+               :integer,
+               limit: 1,
+               default: 0
+    add_column :my_modules,
+               :completed_on,
+               :datetime,
+               null: true
+  end
+
+  def down
+    remove_column :my_modules, :state
+    remove_column :my_modules, :completed_on
+  end
+end