message responder backend now works

app/jobs/regular/create_ai_reply.rb

@@ -10,7 +10,13 @@ module ::Jobs
       persona_id = args[:persona_id]
 
       begin
-        persona = DiscourseAi::AiBot::Personas::Persona.find_by(user: post.user, id: persona_id)
+        persona =
+          if args[:skip_persona_security_check]
+            persona = AiPersona.all_personas.find { |persona| persona.id == persona_id }
+          else
+            persona = DiscourseAi::AiBot::Personas::Persona.find_by(user: post.user, id: persona_id)
+          end
+
         raise DiscourseAi::AiBot::Bot::BOT_NOT_FOUND if persona.nil?
 
         bot = DiscourseAi::AiBot::Bot.as(bot_user, persona: persona.new)

app/models/ai_persona.rb

@@ -132,6 +132,7 @@ class AiPersona < ActiveRecord::Base
     vision_max_pixels = self.vision_max_pixels
     rag_conversation_chunks = self.rag_conversation_chunks
     question_consolidator_llm = self.question_consolidator_llm
+    role = self.role
     role_whispers = self.role_whispers
 
     persona_class = DiscourseAi::AiBot::Personas::Persona.system_personas_by_id[self.id]
@@ -184,6 +185,10 @@ class AiPersona < ActiveRecord::Base
         role_whispers
       end
 
+      persona_class.define_singleton_method :role do
+        role
+      end
+
       return persona_class
     end
 
@@ -275,6 +280,10 @@ class AiPersona < ActiveRecord::Base
         question_consolidator_llm
       end
 
+      define_singleton_method :role do
+        role
+      end
+
       define_singleton_method :role_whispers do
         role_whispers
       end

lib/ai_bot/personas/persona.rb

@@ -5,6 +5,23 @@ module DiscourseAi
     module Personas
       class Persona
         class << self
+          def as_bot
+            if self.respond_to?(:user_id) && self.respond_to?(:default_llm)
+              if self.default_llm
+                user = User.find_by(id: user_id)
+                DiscourseAi::AiBot::Bot.new(user, self.new, self.default_llm) if user
+              end
+            end
+          end
+
+          def role
+            "bot"
+          end
+
+          def role_whispers
+            false
+          end
+
           def rag_conversation_chunks
             10
           end

lib/ai_bot/playground.rb

@@ -18,9 +18,30 @@ module DiscourseAi
         user_id.to_i <= 0
       end
 
+      def self.find_responder_persona(post)
+        if post.post_number == 1 && post.topic && post.topic.archetype == Archetype.private_message
+          # only supported responder for PMs is based on role_group_ids
+          group_ids = post.topic.allowed_groups.pluck(:id)
+
+          info =
+            group_ids
+              .lazy
+              .map { |group_id| AiPersona.message_responder_for(group_id: group_id) }
+              .find { |found| !found.nil? }
+
+          AiPersona.all_personas.find { |persona| persona.id == info[:id] } if info && info[:id]
+        end
+      end
+
       def self.schedule_reply(post)
         return if is_bot_user_id?(post.user_id)
 
+        if responder_persona_class = find_responder_persona(post)
+          bot = responder_persona_class.as_bot
+          new(bot).schedule_bot_reply(post, skip_persona_security_check: true) if bot
+          return
+        end
+
         bot_ids = DiscourseAi::AiBot::EntryPoint::BOT_USER_IDS
         mentionables = AiPersona.mentionables(user: post.user)
 
@@ -126,11 +147,12 @@ module DiscourseAi
                   FROM upload_references ref
                   WHERE ref.target_type = 'Post' AND ref.target_id = posts.id
                ) as upload_ids",
+              "post_number",
             )
 
         result = []
 
-        context.reverse_each do |raw, username, custom_prompt, upload_ids|
+        context.reverse_each do |raw, username, custom_prompt, upload_ids, post_number|
           custom_prompt_translation =
             Proc.new do |message|
               # We can't keep backwards-compatibility for stored functions.
@@ -151,8 +173,14 @@ module DiscourseAi
           if custom_prompt.present?
             custom_prompt.each(&custom_prompt_translation)
           else
+            content = raw
+            if post_number == 1 && bot.persona.class.role.include?("responder")
+              title = Topic.where("id = ?", post.topic_id).pluck(:title).first
+              content = "# #{title}\n\n#{content}"
+            end
+
             context = {
-              content: raw,
+              content: content,
               type: (available_bot_usernames.include?(username) ? :model : :user),
             }
 
@@ -188,8 +216,11 @@ module DiscourseAi
         reply = +""
         start = Time.now
 
-        post_type =
-          post.post_type == Post.types[:whisper] ? Post.types[:whisper] : Post.types[:regular]
+        post_type = Post.types[:regular]
+
+        if post.post_type == Post.types[:whisper] || bot.persona.class.role_whispers
+          post_type = Post.types[:whisper]
+        end
 
         context = {
           site_url: Discourse.base_url,
@@ -208,7 +239,7 @@ module DiscourseAi
           reply_user = User.find_by(id: bot.persona.class.user_id) || reply_user
         end
 
-        stream_reply = post.topic.private_message?
+        stream_reply = post.topic.private_message? && !bot.persona.role.include?("responder")
 
         # we need to ensure persona user is allowed to reply to the pm
         if post.topic.private_message?
@@ -309,6 +340,19 @@ module DiscourseAi
             .concat(DiscourseAi::AiBot::EntryPoint::BOTS.map(&:second))
       end
 
+      def schedule_bot_reply(post, skip_persona_security_check: false)
+        persona_id =
+          DiscourseAi::AiBot::Personas::Persona.system_personas[bot.persona.class] ||
+            bot.persona.class.id
+        ::Jobs.enqueue(
+          :create_ai_reply,
+          post_id: post.id,
+          bot_user_id: bot.bot_user.id,
+          persona_id: persona_id,
+          skip_persona_security_check: skip_persona_security_check,
+        )
+      end
+
       private
 
       def publish_final_update(reply_post)
@@ -347,18 +391,6 @@ module DiscourseAi
         end
       end
 
-      def schedule_bot_reply(post)
-        persona_id =
-          DiscourseAi::AiBot::Personas::Persona.system_personas[bot.persona.class] ||
-            bot.persona.class.id
-        ::Jobs.enqueue(
-          :create_ai_reply,
-          post_id: post.id,
-          bot_user_id: bot.bot_user.id,
-          persona_id: persona_id,
-        )
-      end
-
       def context(topic)
         {
           site_url: Discourse.base_url,

spec/lib/modules/ai_bot/playground_spec.rb

@@ -530,4 +530,60 @@ RSpec.describe DiscourseAi::AiBot::Playground do
       end
     end
   end
+
+  describe "message_responder role" do
+    fab!(:group) do
+      Fabricate(:group, name: "test-group", messageable_level: Group::ALIAS_LEVELS[:everyone])
+    end
+
+    it "can reply with a whisper to group PM" do
+      Jobs.run_immediately!
+
+      persona =
+        AiPersona.create!(
+          name: "Responder Persona",
+          description: "A responder",
+          system_prompt: "You are a responder",
+          enabled: true,
+          role: "message_responder",
+          role_group_ids: [group.id],
+          role_whispers: true,
+          default_llm: "anthropic:claude-2",
+        )
+
+      persona.create_user!
+
+      post = nil
+
+      prompts = nil
+      DiscourseAi::Completions::Llm.with_prepared_responses(
+        ["An amazing post just for you"],
+      ) do |_, _, _prompts|
+        post =
+          create_post(
+            title: "an amazing title",
+            raw: "Howdy I need help!!",
+            archetype: Archetype.private_message,
+            target_group_names: [group.name],
+          )
+        prompts = _prompts
+      end
+
+      expect(prompts.length).to eq(1)
+      expect(prompts[0].messages[0][:content]).to eq("You are a responder")
+      expect(prompts[0].messages[1][:content]).to eq("# An amazing title\n\nHowdy I need help!!")
+
+      reply = post.topic.posts.find_by(post_number: 2)
+
+      expect(reply.post_type).to eq(Post.types[:whisper])
+      expect(reply.raw).to eq("An amazing post just for you")
+
+      # should be done responding at this point so llm will not be called
+      create_post(
+        raw: "should ignore posts that are not first on message",
+        topic: post.topic,
+        user: post.user,
+      )
+    end
+  end
 end