FEATURE: Send a message to new TL2 users and point them to the advanced tutorial (#8335)

* FEATURE: Send a message to new TL2 users and point them to the advanced tutorial

* DEV: Use a method to find the discobot user

lib/promotion.rb

@@ -74,6 +74,7 @@ class Promotion
       @user.save!
       @user.user_profile.recook_bio
       @user.user_profile.save!
+      DiscourseEvent.trigger(:user_promoted, user_id: @user.id, new_trust_level: new_level, old_trust_level: old_level)
       Group.user_trust_level_change!(@user.id, @user.trust_level)
       BadgeGranter.queue_badge_grant(Badge::Trigger::TrustLevelChange, user: @user)
     end
@@ -141,5 +142,4 @@ class Promotion
       user.change_trust_level!(2, log_action_for: performed_by || Discourse.system_user)
     end
   end
-
 end

plugins/discourse-narrative-bot/autoload/jobs/send_advanced_tutorial_message.rb

@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+module Jobs
+  class SendAdvancedTutorialMessage < ::Jobs::Base
+    def execute(args)
+      user = User.find_by(id: args[:user_id])
+      raise Discourse::InvalidParameters.new(:user_id) if user.nil?
+
+      PostCreator.create!(
+        Discourse.system_user,
+        title: I18n.t("discourse_narrative_bot.tl2_promotion_message.subject_template"),
+        raw: I18n.t("discourse_narrative_bot.tl2_promotion_message.text_body_template"),
+        archetype: Archetype.private_message,
+        target_usernames: user.username,
+        skip_validations: true
+      )
+    end
+  end
+end

plugins/discourse-narrative-bot/autoload/jobs/send_default_welcome_message.rb

@@ -9,7 +9,7 @@ module Jobs
 
         title = I18n.t("system_messages.#{type}.subject_template", params)
         raw = I18n.t("system_messages.#{type}.text_body_template", params)
-        discobot_user = User.find(-2)
+        discobot_user = ::DiscourseNarrativeBot::Base.new.discobot_user
 
         post = PostCreator.create!(
           discobot_user,

plugins/discourse-narrative-bot/config/locales/server.en.yml

@@ -22,6 +22,15 @@ en:
   discourse_narrative_bot:
     bio: "Hi, I’m not a real person. I’m a bot that can teach you about this site. To interact with me, send me a message or mention **`@%{discobot_username}`** anywhere."
 
+    tl2_promotion_message:
+      subject_template: "Congratulations on your trust level promotion!"
+      text_body_template: |
+        Now that you’ve been promoted, it’s time to learn about some advanced features! 
+
+        Reply to this message with `@discobot start advanced tutorial` to find out more about what you can do. 
+ 
+        We invite you to keep getting involved – we enjoy having you around.
+
     timeout:
       message: |-
         Hey @%{username}, just checking in because I haven’t heard from you in a while.

plugins/discourse-narrative-bot/lib/discourse_narrative_bot/certificate_generator.rb

@@ -18,7 +18,7 @@ module DiscourseNarrativeBot
         end
 
       @date = I18n.l(date, format: :date_only)
-      @discobot_user = User.find(-2)
+      @discobot_user = ::DiscourseNarrativeBot::Base.new.discobot_user
     end
 
     def new_user_track

plugins/discourse-narrative-bot/plugin.rb

@@ -33,6 +33,7 @@ after_initialize do
     '../autoload/jobs/narrative_timeout.rb',
     '../autoload/jobs/narrative_init.rb',
     '../autoload/jobs/send_default_welcome_message.rb',
+    '../autoload/jobs/send_advanced_tutorial_message.rb',
     '../autoload/jobs/onceoff/grant_badges.rb',
     '../autoload/jobs/onceoff/remap_old_bot_images.rb',
     '../lib/discourse_narrative_bot/actions.rb',
@@ -245,4 +246,13 @@ after_initialize do
       )
     end
   end
+
+  self.on(:user_promoted) do |args|
+    promoted_from_tl1 = args[:new_trust_level] == TrustLevel[2] &&
+      args[:old_trust_level] == TrustLevel[1]
+
+    if SiteSetting.discourse_narrative_bot_enabled && promoted_from_tl1
+      Jobs.enqueue(:send_advanced_tutorial_message, user_id: args[:user_id])
+    end
+  end
 end

plugins/discourse-narrative-bot/spec/discourse_narrative_bot/advanced_user_narrative_spec.rb

@@ -3,7 +3,7 @@
 require 'rails_helper'
 
 RSpec.describe DiscourseNarrativeBot::AdvancedUserNarrative do
-  let(:discobot_user) { User.find(-2) }
+  let(:discobot_user) { ::DiscourseNarrativeBot::Base.new.discobot_user }
   let(:first_post) { Fabricate(:post, user: discobot_user) }
   let(:user) { Fabricate(:user) }
 

plugins/discourse-narrative-bot/spec/discourse_narrative_bot/new_user_narrative_spec.rb

@@ -4,7 +4,7 @@ require 'rails_helper'
 
 describe DiscourseNarrativeBot::NewUserNarrative do
   let!(:welcome_topic) { Fabricate(:topic, title: 'Welcome to Discourse') }
-  let(:discobot_user) { User.find(-2) }
+  let(:discobot_user) { ::DiscourseNarrativeBot::Base.new.discobot_user }
   let(:first_post) { Fabricate(:post, user: discobot_user) }
   let(:user) { Fabricate(:user) }
 

plugins/discourse-narrative-bot/spec/discourse_narrative_bot/track_selector_spec.rb

@@ -4,7 +4,7 @@ require 'rails_helper'
 
 describe DiscourseNarrativeBot::TrackSelector do
   let(:user) { Fabricate(:user) }
-  let(:discobot_user) { User.find(-2) }
+  let(:discobot_user) { ::DiscourseNarrativeBot::Base.new.discobot_user }
   let(:narrative) { DiscourseNarrativeBot::NewUserNarrative.new }
 
   let(:random_mention_reply) do

plugins/discourse-narrative-bot/spec/jobs/onceoff/remap_old_bot_iamges_spec.rb

@@ -6,7 +6,7 @@ RSpec.describe Jobs::DiscourseNarrativeBot::RemapOldBotImages do
   context "when bot's post contains an old link" do
     let(:post) do
       Fabricate(:post,
-        user: User.find(-2),
+        user: ::DiscourseNarrativeBot::Base.new.discobot_user,
         raw: 'If you’d like to learn more, select <img src="/images/font-awesome-gear.png" width="16" height="16"> <img src="/images/font-awesome-ellipsis.png" width="16" height="16"> below  and <img src="/images/font-awesome-bookmark.png" width="16" height="16"> **bookmark this private message**.  If you do, there may be a :gift: in your future!'
       )
     end
@@ -27,7 +27,7 @@ RSpec.describe Jobs::DiscourseNarrativeBot::RemapOldBotImages do
     context 'subfolder' do
       let(:post) do
         Fabricate(:post,
-          user: User.find(-2),
+          user: ::DiscourseNarrativeBot::Base.new.discobot_user,
           raw: 'If you’d like to learn more, select <img src="/community/images/font-awesome-ellipsis.png" width="16" height="16"> below  and <img src="/community/images/font-awesome-bookmark.png" width="16" height="16"> **bookmark this private message**.  If you do, there may be a :gift: in your future!'
         )
       end

plugins/discourse-narrative-bot/spec/jobs/send_advanced_tutorial_message_spec.rb

@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+RSpec.describe Jobs::SendAdvancedTutorialMessage do
+  before do
+    Jobs.run_immediately!
+    SiteSetting.discourse_narrative_bot_enabled = true
+  end
+
+  it 'sends a message to the promoted user' do
+    user = Fabricate(:user)
+    discobot_user = Discourse.system_user
+    Jobs.enqueue(:send_advanced_tutorial_message, user_id: user.id)
+
+    topic = Topic.last
+
+    expect(topic).not_to be_nil
+    expect(topic.user).to eq(discobot_user)
+    expect(topic.archetype).to eq(Archetype.private_message)
+    expect(topic.topic_allowed_users.pluck(:user_id)).to contain_exactly(
+      discobot_user.id, user.id
+    )
+  end
+end