User interface for watching first post

app/assets/javascripts/discourse/components/notifications-button.js.es6

@@ -1,5 +1,5 @@
 import DropdownButton from 'discourse/components/dropdown-button';
-import { all, buttonDetails } from 'discourse/lib/notification-levels';
+import { allLevels, buttonDetails } from 'discourse/lib/notification-levels';
 import { iconHTML } from 'discourse/helpers/fa-icon';
 import computed from 'ember-addons/ember-computed-decorators';
 
@@ -16,7 +16,7 @@ export default DropdownButton.extend({
     const prefix = this.get('i18nPrefix');
     const postfix = this.get('i18nPostfix');
 
-    return all.map(l => {
+    return allLevels.map(l => {
       const start = `${prefix}.${l.key}${postfix}`;
       return {
         id: l.id,

app/assets/javascripts/discourse/controllers/bulk-notification-level.js.es6

@@ -1,26 +1,26 @@
-import NotificationLevels from 'discourse/lib/notification-levels';
+import computed from 'ember-addons/ember-computed-decorators';
+import { topicLevels } from 'discourse/lib/notification-levels';
 
 // Support for changing the notification level of various topics
-export default Em.Controller.extend({
+export default Ember.Controller.extend({
   needs: ['topic-bulk-actions'],
   notificationLevelId: null,
 
-  notificationLevels: function() {
-    var result = [];
-    Object.keys(NotificationLevels).forEach(function(k) {
-      result.push({
-        id: NotificationLevels[k].toString(),
-        name: I18n.t('topic.notifications.' + k.toLowerCase() + ".title"),
-        description: I18n.t('topic.notifications.' + k.toLowerCase() + ".description")
-      });
+  @computed
+  notificationLevels() {
+    return topicLevels.map(level => {
+      return {
+        id: level.id.toString(),
+        name: I18n.t(`topic.notifications.${level.key}.title`),
+        description: I18n.t(`topic.notifications.${level.key}.description`)
+      };
     });
-    return result;
-  }.property(),
+  },
 
   disabled: Em.computed.empty("notificationLevelId"),
 
   actions: {
-    changeNotificationLevel: function() {
+    changeNotificationLevel() {
       this.get('controllers.topic-bulk-actions').performAndRefresh({
         type: 'change_notification_level',
         notification_level_id: this.get('notificationLevelId')

app/assets/javascripts/discourse/lib/notification-levels.js.es6

@@ -1,24 +1,25 @@
-const NotificationLevels = {
-  WATCHING: 3,
-  TRACKING: 2,
-  REGULAR: 1,
-  MUTED: 0
-};
-export default NotificationLevels;
+const MUTED = 0;
+const REGULAR = 1;
+const TRACKING = 2;
+const WATCHING = 3;
+const WATCHING_FIRST_POST = 4;
+
+export const NotificationLevels = { WATCHING_FIRST_POST, WATCHING, TRACKING, REGULAR, MUTED };
 
 export function buttonDetails(level) {
   switch(level) {
-    case NotificationLevels.WATCHING:
-      return { id: NotificationLevels.WATCHING, key: 'watching', icon: 'exclamation-circle' };
-    case NotificationLevels.TRACKING:
-      return { id: NotificationLevels.TRACKING, key: 'tracking', icon: 'circle' };
-    case NotificationLevels.MUTED:
-      return { id: NotificationLevels.MUTED, key: 'muted', icon: 'times-circle' };
+    case WATCHING_FIRST_POST:
+      return { id: WATCHING_FIRST_POST, key: 'watching_first_post', icon: 'dot-circle-o' };
+    case WATCHING:
+      return { id: WATCHING, key: 'watching', icon: 'exclamation-circle' };
+    case TRACKING:
+      return { id: TRACKING, key: 'tracking', icon: 'circle' };
+    case MUTED:
+      return { id: MUTED, key: 'muted', icon: 'times-circle' };
     default:
-      return { id: NotificationLevels.REGULAR, key: 'regular', icon: 'circle-o' };
+      return { id: REGULAR, key: 'regular', icon: 'circle-o' };
   }
 }
-export const all = [ NotificationLevels.WATCHING,
-                     NotificationLevels.TRACKING,
-                     NotificationLevels.MUTED,
-                     NotificationLevels.DEFAULT ].map(buttonDetails);
+
+export const allLevels = [ WATCHING, TRACKING, WATCHING_FIRST_POST, MUTED, REGULAR ].map(buttonDetails);
+export const topicLevels = allLevels.filter(l => l.id !== WATCHING_FIRST_POST);

app/assets/javascripts/discourse/mixins/bulk-topic-selection.js.es6

@@ -25,7 +25,7 @@ export default Ember.Mixin.create({
         operation = { type: 'dismiss_posts' };
       } else {
         operation = { type: 'change_notification_level',
-                        notification_level_id: NotificationLevels.REGULAR };
+                      notification_level_id: NotificationLevels.REGULAR };
       }
 
       let promise;

app/assets/javascripts/discourse/widgets/topic-notifications-button.js.es6

@@ -1,5 +1,5 @@
 import { createWidget } from 'discourse/widgets/widget';
-import { all, buttonDetails } from 'discourse/lib/notification-levels';
+import { topicLevels, buttonDetails } from 'discourse/lib/notification-levels';
 import { h } from 'virtual-dom';
 import RawHTML from 'discourse/widgets/raw-html';
 
@@ -63,7 +63,7 @@ export default createWidget('topic-notifications-button', {
     const result = [ this.buttonFor(details.get('notification_level')) ];
 
     if (state.expanded) {
-      result.push(h('ul.dropdown-menu', all.map(l => this.attach('notification-option', l))));
+      result.push(h('ul.dropdown-menu', topicLevels.map(l => this.attach('notification-option', l))));
     }
 
     if (attrs.appendReason) {

app/controllers/email_controller.rb

@@ -29,8 +29,8 @@ class EmailController < ApplicationController
       @watched_count = nil
       if @topic && @topic.category_id
         if CategoryUser.exists?(user_id: @user.id,
-                             notification_level: CategoryUser.notification_levels[:watching],
-                             category_id: @topic.category_id)
+                                notification_level: CategoryUser.watching_levels,
+                                category_id: @topic.category_id)
           @watched_count = TopicUser.joins(:topic)
                                     .where(:user => @user,
                                            :notification_level => TopicUser.notification_levels[:watching],
@@ -74,7 +74,7 @@ class EmailController < ApplicationController
 
         CategoryUser.where(user_id: user.id,
                           category_id: topic.category_id,
-                          notification_level: CategoryUser.notification_levels[:watching]
+                          notification_level: CategoryUser.watching_levels
                          )
                  .destroy_all
         updated = true

app/models/category_user.rb

@@ -10,9 +10,16 @@ class CategoryUser < ActiveRecord::Base
     self.where(user: user, category: category)
   end
 
-  # same for now
   def self.notification_levels
-    TopicUser.notification_levels
+    @notification_levels ||= Enum.new(muted: 0,
+                                      regular: 1,
+                                      tracking: 2,
+                                      watching: 3,
+                                      watching_first_post: 4)
+  end
+
+  def self.watching_levels
+    [notification_levels[:watching], notification_levels[:watching_first_post]]
   end
 
   %w{watch track}.each do |s|

config/locales/client.en.yml

@@ -408,6 +408,9 @@ en:
         watching:
           title: "Watching"
           description: "You will be notified of every new post in every message, and a count of new replies will be shown."
+        watching_first_post:
+          title: "Watching First Post Only"
+          description: "You will only be notified of the first post in each new topic in this group."
         tracking:
           title: "Tracking"
           description: "You will be notified if someone mentions your @name or replies to you, and a count of new replies will be shown."
@@ -1811,6 +1814,9 @@ en:
         watching:
           title: "Watching"
           description: "You will automatically watch all new topics in these categories. You will be notified of every new post in every topic, and a count of new replies will be shown."
+        watching_first_post:
+          title: "Watching First Post Only"
+          description: "You will only be notified of the first post in each new topic in these categories."
         tracking:
           title: "Tracking"
           description: "You will automatically track all new topics in these categories. You will be notified if someone mentions your @name or replies to you, and a count of new replies will be shown."
@@ -2132,6 +2138,9 @@ en:
         watching:
           title: "Watching"
           description: "You will automatically watch all new topics in this tag. You will be notified of all new posts and topics, plus the count of unread and new posts will also appear next to the topic."
+        watching_first_post:
+          title: "Watching First Post Only"
+          description: "You will only be notified of the first post in each new topic in this tag."
         tracking:
           title: "Tracking"
           description: "You will automatically track all new topics in this tag. A count of unread and new posts will appear next to the topic."

spec/controllers/email_controller_spec.rb

@@ -109,6 +109,20 @@ describe EmailController do
 
       expect(CategoryUser.find_by(id: cu.id)).to eq(nil)
     end
+
+    it 'can unwatch first post from category' do
+      p = Fabricate(:post)
+      key = UnsubscribeKey.create_key_for(p.user, p)
+
+      cu = CategoryUser.create!(user_id: p.user.id,
+                          category_id: p.topic.category_id,
+                          notification_level: CategoryUser.notification_levels[:watching_first_post])
+
+      post :perform_unsubscribe, key: key, unwatch_category: "1"
+      expect(response.status).to eq(302)
+
+      expect(CategoryUser.find_by(id: cu.id)).to eq(nil)
+    end
   end
 
   context '.unsubscribe' do
@@ -197,6 +211,25 @@ describe EmailController do
       expect(response.body).not_to include("unwatch_category")
 
     end
+
+    it 'correctly handles watched first post categories' do
+      post = Fabricate(:post)
+      user = post.user
+      cu = CategoryUser.create!(user_id: user.id,
+                          category_id: post.topic.category_id,
+                          notification_level: CategoryUser.notification_levels[:watching_first_post])
+
+
+      key = UnsubscribeKey.create_key_for(user, post)
+      get :unsubscribe, key: key
+      expect(response.body).to include("unwatch_category")
+
+      cu.destroy!
+
+      get :unsubscribe, key: key
+      expect(response.body).not_to include("unwatch_category")
+
+    end
   end