Work in progress... post embeddings and version

Feel free to continue any work here, will pick it up again next week

.discourse-compatibility

@@ -1,6 +1 @@
-< 3.2.0.beta5-dev: c70f43f130fb98e4a1adb1afd9b621aaa49088e3
-< 3.2.0.beta4-dev: 493b48477a9288f2f1b6f021954088705a6673d6
-< 3.2.0.beta2-dev: 3bced1c6f525553fe2b5b79d29bd66c1cf2a47d5
-3.1.999: c0415bb7eb878b1b7abf112d65cba981030df8df
-< 3.2.0.beta1-dev: 3e7c99de894b03e9161d9481da118fe893991a1d
 3.1.0.beta3: 057fbe1ce6

.eslintrc

@@ -0,0 +1,3 @@
+{
+  "extends": "eslint-config-discourse"
+}

.eslintrc.cjs

@@ -1 +0,0 @@
-module.exports = require("@discourse/lint-configs/eslint");

.prettierignore

@@ -1,21 +0,0 @@
-app/assets/stylesheets/vendor/
-documentation/
-package.json
-config/locales/**/*.yml
-!config/locales/**/*.en*.yml
-script/import_scripts/**/*.yml
-
-plugins/**/lib/javascripts/locale
-public/
-!/app/assets/javascripts/discourse/public
-vendor/
-app/assets/javascripts/discourse/tests/fixtures
-spec/
-node_modules/
-dist/
-tmp/
-
-**/*.rb
-**/*.html
-**/*.json
-**/*.md

.prettierrc

@@ -0,0 +1 @@
+{}

.prettierrc.cjs

@@ -1 +0,0 @@
-module.exports = require("@discourse/lint-configs/prettier");

.rubocop.yml

@@ -1,4 +1,2 @@
 inherit_gem:
   rubocop-discourse: stree-compat.yml
-RSpec/NamedSubject:
-  Enabled: false

.streerc

@@ -1,2 +1,2 @@
 --print-width=100
---plugins=plugin/trailing_comma,plugin/disable_auto_ternary
+--plugins=plugin/trailing_comma,disable_ternary

.template-lintrc.cjs

@@ -1 +0,0 @@
-module.exports = require("@discourse/lint-configs/template-lint");

.template-lintrc.js

@@ -0,0 +1,4 @@
+module.exports = {
+  plugins: ["ember-template-lint-plugin-discourse"],
+  extends: "discourse:recommended",
+};

Gemfile

@@ -5,4 +5,5 @@ source "https://rubygems.org"
 group :development do
   gem "rubocop-discourse"
   gem "syntax_tree"
+  gem "syntax_tree-disable_ternary"
 end

Gemfile.lock

@@ -2,52 +2,49 @@ GEM
   remote: https://rubygems.org/
   specs:
     ast (2.4.2)
-    json (2.7.1)
-    language_server-protocol (3.17.0.3)
-    parallel (1.24.0)
-    parser (3.3.0.3)
+    json (2.6.2)
+    parallel (1.22.1)
+    parser (3.1.2.1)
       ast (~> 2.4.1)
-      racc
-    prettier_print (1.2.1)
-    racc (1.7.3)
+    prettier_print (1.2.0)
     rainbow (3.1.1)
-    regexp_parser (2.9.0)
-    rexml (3.2.6)
-    rubocop (1.59.0)
+    regexp_parser (2.6.0)
+    rexml (3.2.5)
+    rubocop (1.36.0)
       json (~> 2.3)
-      language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
-      parser (>= 3.2.2.4)
+      parser (>= 3.1.2.1)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 1.8, < 3.0)
       rexml (>= 3.2.5, < 4.0)
-      rubocop-ast (>= 1.30.0, < 2.0)
+      rubocop-ast (>= 1.20.1, < 2.0)
       ruby-progressbar (~> 1.7)
-      unicode-display_width (>= 2.4.0, < 3.0)
-    rubocop-ast (1.30.0)
-      parser (>= 3.2.1.0)
-    rubocop-capybara (2.20.0)
-      rubocop (~> 1.41)
-    rubocop-discourse (3.6.0)
-      rubocop (>= 1.59.0)
-      rubocop-rspec (>= 2.25.0)
-    rubocop-factory_bot (2.25.1)
-      rubocop (~> 1.41)
-    rubocop-rspec (2.26.1)
-      rubocop (~> 1.40)
-      rubocop-capybara (~> 2.17)
-      rubocop-factory_bot (~> 2.22)
-    ruby-progressbar (1.13.0)
-    syntax_tree (6.2.0)
+      unicode-display_width (>= 1.4.0, < 3.0)
+    rubocop-ast (1.21.0)
+      parser (>= 3.1.1.0)
+    rubocop-discourse (3.0)
+      rubocop (>= 1.1.0)
+      rubocop-rspec (>= 2.0.0)
+    rubocop-rspec (2.13.2)
+      rubocop (~> 1.33)
+    ruby-progressbar (1.11.0)
+    syntax_tree (5.1.0)
       prettier_print (>= 1.2.0)
-    unicode-display_width (2.5.0)
+    syntax_tree-disable_ternary (1.0.0)
+    unicode-display_width (2.3.0)
 
 PLATFORMS
+  arm64-darwin-20
   ruby
+  x86_64-darwin-18
+  x86_64-darwin-19
+  x86_64-darwin-20
+  x86_64-linux
 
 DEPENDENCIES
   rubocop-discourse
   syntax_tree
+  syntax_tree-disable_ternary
 
 BUNDLED WITH
-   2.5.4
+   2.3.10

README.md

@@ -1,5 +1,5 @@
-# **Discourse AI** Plugin
+# **Plugin Name** Plugin
 
 **Plugin Summary**
 
-For more information, please see: https://meta.discourse.org/t/discourse-ai/259214?u=falco
+For more information, please see: **url to meta topic**

app/controllers/discourse_ai/admin/ai_personas_controller.rb

@@ -1,106 +0,0 @@
-# frozen_string_literal: true
-
-module DiscourseAi
-  module Admin
-    class AiPersonasController < ::Admin::AdminController
-      before_action :find_ai_persona, only: %i[show update destroy create_user]
-
-      def index
-        ai_personas =
-          AiPersona.ordered.map do |persona|
-            # we use a special serializer here cause names and descriptions are
-            # localized for system personas
-            LocalizedAiPersonaSerializer.new(persona, root: false)
-          end
-        tools =
-          DiscourseAi::AiBot::Personas::Persona.all_available_tools.map do |tool|
-            AiToolSerializer.new(tool, root: false)
-          end
-        llms =
-          DiscourseAi::Configuration::LlmEnumerator.values.map do |hash|
-            { id: hash[:value], name: hash[:name] }
-          end
-        render json: { ai_personas: ai_personas, meta: { commands: tools, llms: llms } }
-      end
-
-      def show
-        render json: LocalizedAiPersonaSerializer.new(@ai_persona)
-      end
-
-      def create
-        ai_persona = AiPersona.new(ai_persona_params)
-        if ai_persona.save
-          render json: { ai_persona: ai_persona }, status: :created
-        else
-          render_json_error ai_persona
-        end
-      end
-
-      def create_user
-        user = @ai_persona.create_user!
-        render json: BasicUserSerializer.new(user, root: "user")
-      end
-
-      def update
-        if @ai_persona.update(ai_persona_params)
-          render json: @ai_persona
-        else
-          render_json_error @ai_persona
-        end
-      end
-
-      def destroy
-        if @ai_persona.destroy
-          head :no_content
-        else
-          render_json_error @ai_persona
-        end
-      end
-
-      private
-
-      def find_ai_persona
-        @ai_persona = AiPersona.find(params[:id])
-      end
-
-      def ai_persona_params
-        permitted =
-          params.require(:ai_persona).permit(
-            :name,
-            :description,
-            :enabled,
-            :system_prompt,
-            :priority,
-            :top_p,
-            :temperature,
-            :default_llm,
-            :user_id,
-            :mentionable,
-            :max_context_posts,
-            allowed_group_ids: [],
-          )
-
-        if commands = params.dig(:ai_persona, :commands)
-          permitted[:commands] = permit_commands(commands)
-        end
-
-        permitted
-      end
-
-      def permit_commands(commands)
-        return [] if !commands.is_a?(Array)
-
-        commands.filter_map do |command, options|
-          break nil if !command.is_a?(String)
-          options&.permit! if options && options.is_a?(ActionController::Parameters)
-
-          if options
-            [command, options]
-          else
-            command
-          end
-        end
-      end
-    end
-  end
-end

app/controllers/discourse_ai/admin/dashboard_controller.rb

@@ -1,12 +0,0 @@
-# frozen_string_literal: true
-
-module DiscourseAi
-  module Admin
-    class DashboardController < ::Admin::StaffController
-      requires_plugin DiscourseAi::PLUGIN_NAME
-
-      def sentiment
-      end
-    end
-  end
-end

app/controllers/discourse_ai/ai_bot/bot_controller.rb

@@ -14,15 +14,6 @@ module DiscourseAi
 
         render json: {}, status: 200
       end
-
-      def show_bot_username
-        bot_user_id = DiscourseAi::AiBot::EntryPoint.map_bot_model_to_user_id(params[:username])
-        raise Discourse::InvalidParameters.new(:username) if !bot_user_id
-
-        bot_username_lower = User.find(bot_user_id).username_lower
-
-        render json: { bot_username: bot_username_lower }, status: 200
-      end
     end
   end
 end

app/controllers/discourse_ai/ai_helper/assistant_controller.rb

@@ -6,119 +6,40 @@ module DiscourseAi
       requires_plugin ::DiscourseAi::PLUGIN_NAME
       requires_login
       before_action :ensure_can_request_suggestions
-      before_action :rate_limiter_performed!, except: %i[prompts]
+
+      def prompts
+        render json:
+                 ActiveModel::ArraySerializer.new(
+                   DiscourseAi::AiHelper::LlmPrompt.new.available_prompts,
+                   root: false,
+                 ),
+               status: 200
+      end
 
       def suggest
-        input = get_text_param!
+        raise Discourse::InvalidParameters.new(:text) if params[:text].blank?
 
         prompt = CompletionPrompt.find_by(id: params[:mode])
-
         raise Discourse::InvalidParameters.new(:mode) if !prompt || !prompt.enabled?
 
-        if prompt.id == CompletionPrompt::CUSTOM_PROMPT
-          raise Discourse::InvalidParameters.new(:custom_prompt) if params[:custom_prompt].blank?
-
-          prompt.custom_instruction = params[:custom_prompt]
-        end
-
-        suggest_thumbnails(input) if prompt.id == CompletionPrompt::ILLUSTRATE_POST
+        RateLimiter.new(current_user, "ai_assistant", 6, 3.minutes).performed!
 
         hijack do
           render json:
-                   DiscourseAi::AiHelper::Assistant.new.generate_and_send_prompt(
+                   DiscourseAi::AiHelper::LlmPrompt.new.generate_and_send_prompt(
                      prompt,
-                     input,
-                     current_user,
+                     params[:text],
                    ),
                  status: 200
         end
-      rescue DiscourseAi::Completions::Endpoints::Base::CompletionFailed
-        render_json_error I18n.t("discourse_ai.ai_helper.errors.completion_request_failed"),
-                          status: 502
-      end
-
-      def suggest_title
-        input = get_text_param!
-
-        prompt = CompletionPrompt.enabled_by_name("generate_titles")
-        raise Discourse::InvalidParameters.new(:mode) if !prompt
-
-        hijack do
-          render json:
-                   DiscourseAi::AiHelper::Assistant.new.generate_and_send_prompt(
-                     prompt,
-                     input,
-                     current_user,
-                   ),
-                 status: 200
-        end
-      rescue DiscourseAi::Completions::Endpoints::Base::CompletionFailed
-        render_json_error I18n.t("discourse_ai.ai_helper.errors.completion_request_failed"),
-                          status: 502
-      end
-
-      def suggest_category
-        input = get_text_param!
-        input_hash = { text: input }
-
-        render json:
-                 DiscourseAi::AiHelper::SemanticCategorizer.new(
-                   input_hash,
-                   current_user,
-                 ).categories,
-               status: 200
-      end
-
-      def suggest_tags
-        input = get_text_param!
-        input_hash = { text: input }
-
-        render json: DiscourseAi::AiHelper::SemanticCategorizer.new(input_hash, current_user).tags,
-               status: 200
-      end
-
-      def suggest_thumbnails(input)
-        hijack do
-          thumbnails = DiscourseAi::AiHelper::Painter.new.commission_thumbnails(input, current_user)
-
-          render json: { thumbnails: thumbnails }, status: 200
-        end
-      end
-
-      def explain
-        post_id = get_post_param!
-        term_to_explain = get_text_param!
-        post = Post.includes(:topic).find_by(id: post_id)
-
-        raise Discourse::InvalidParameters.new(:post_id) unless post
-
-        Jobs.enqueue(
-          :stream_post_helper,
-          post_id: post.id,
-          user_id: current_user.id,
-          term_to_explain: term_to_explain,
-        )
-
-        render json: { success: true }, status: 200
-      rescue DiscourseAi::Completions::Endpoints::Base::CompletionFailed
+      rescue ::DiscourseAi::Inference::OpenAiCompletions::CompletionFailed,
+             ::DiscourseAi::Inference::AnthropicCompletions::CompletionFailed => e
         render_json_error I18n.t("discourse_ai.ai_helper.errors.completion_request_failed"),
                           status: 502
       end
 
       private
 
-      def get_text_param!
-        params[:text].tap { |t| raise Discourse::InvalidParameters.new(:text) if t.blank? }
-      end
-
-      def get_post_param!
-        params[:post_id].tap { |t| raise Discourse::InvalidParameters.new(:post_id) if t.blank? }
-      end
-
-      def rate_limiter_performed!
-        RateLimiter.new(current_user, "ai_assistant", 6, 3.minutes).performed!
-      end
-
       def ensure_can_request_suggestions
         user_group_ids = current_user.group_ids
 

app/controllers/discourse_ai/embeddings/embeddings_controller.rb

@@ -8,11 +8,8 @@ module DiscourseAi
       SEMANTIC_SEARCH_TYPE = "semantic_search"
 
       def search
-        query = params[:q].to_s
-
-        if query.length < SiteSetting.min_search_term_length
-          raise Discourse::InvalidParameters.new(:q)
-        end
+        query = params[:q]
+        page = (params[:page] || 1).to_i
 
         grouped_results =
           Search::GroupedSearchResults.new(
@@ -22,19 +19,17 @@ module DiscourseAi
             use_pg_headlines_for_excerpt: false,
           )
 
-        semantic_search = DiscourseAi::Embeddings::SemanticSearch.new(guardian)
+        model =
+          DiscourseAi::Embeddings::Model.instantiate(
+            SiteSetting.ai_embeddings_semantic_search_model,
+          )
 
-        if !semantic_search.cached_query?(query)
-          RateLimiter.new(current_user, "semantic-search", 4, 1.minutes).performed!
-        end
+        DiscourseAi::Embeddings::SemanticSearch
+          .new(guardian, model)
+          .search_for_topics(query, page)
+          .each { |topic_post| grouped_results.add(topic_post) }
 
-        hijack do
-          semantic_search
-            .search_for_topics(query)
-            .each { |topic_post| grouped_results.add(topic_post) }
-
-          render_serialized(grouped_results, GroupedSearchResultSerializer, result: grouped_results)
-        end
+        render_serialized(grouped_results, GroupedSearchResultSerializer, result: grouped_results)
       end
     end
   end

app/controllers/discourse_ai/summarization/summary_controller.rb

@@ -0,0 +1,48 @@
+# frozen_string_literal: true
+
+module DiscourseAi
+  module Summarization
+    class SummaryController < ::ApplicationController
+      requires_plugin ::DiscourseAi::PLUGIN_NAME
+      requires_login
+
+      VALID_SINCE_VALUES = [1, 3, 6, 12, 24, 72, 168]
+      VALID_TARGETS = %w[chat_channel topic]
+
+      def show
+        raise PluginDisabled unless SiteSetting.ai_summarization_enabled
+        target_type = params[:target_type]
+
+        raise Discourse::InvalidParameters.new(:target_type) if !VALID_TARGETS.include?(target_type)
+
+        since = nil
+
+        if target_type == "chat_channel"
+          since = params[:since].to_i
+          raise Discourse::InvalidParameters.new(:since) if !VALID_SINCE_VALUES.include?(since)
+          target = Chat::Channel.find_by(id: params[:target_id])
+          raise Discourse::NotFound.new(:chat_channel) if !target
+          raise Discourse::InvalidAccess if !guardian.can_join_chat_channel?(target)
+        else
+          target = Topic.find_by(id: params[:target_id])
+          raise Discourse::NotFound.new(:topic) if !target
+          raise Discourse::InvalidAccess if !guardian.can_see_topic?(target)
+        end
+
+        RateLimiter.new(
+          current_user,
+          "ai_summarization",
+          6,
+          SiteSetting.ai_summarization_rate_limit_minutes.minutes,
+        ).performed!
+
+        hijack do
+          summary =
+            DiscourseAi::Summarization::SummaryGenerator.new(target, current_user).summarize!(since)
+
+          render json: { summary: summary }, status: 200
+        end
+      end
+    end
+  end
+end

app/jobs/regular/create_ai_reply.rb

@@ -1,26 +0,0 @@
-# frozen_string_literal: true
-
-module ::Jobs
-  class CreateAiReply < ::Jobs::Base
-    sidekiq_options retry: false
-
-    def execute(args)
-      return unless bot_user = User.find_by(id: args[:bot_user_id])
-      return unless post = Post.includes(:topic).find_by(id: args[:post_id])
-      persona_id = args[:persona_id]
-
-      begin
-        persona = DiscourseAi::AiBot::Personas::Persona.find_by(user: post.user, id: persona_id)
-        raise DiscourseAi::AiBot::Bot::BOT_NOT_FOUND if persona.nil?
-
-        bot = DiscourseAi::AiBot::Bot.as(bot_user, persona: persona.new)
-
-        DiscourseAi::AiBot::Playground.new(bot).reply_to(post)
-      rescue DiscourseAi::AiBot::Bot::BOT_NOT_FOUND
-        Rails.logger.warn(
-          "Bot not found for post #{post.id} - perhaps persona was deleted or bot was disabled",
-        )
-      end
-    end
-  end
-end

app/jobs/regular/generate_chat_thread_title.rb

@@ -1,21 +0,0 @@
-# frozen_string_literal: true
-
-module Jobs
-  class GenerateChatThreadTitle < ::Jobs::Base
-    sidekiq_options queue: "low"
-
-    def execute(args)
-      return unless SiteSetting.ai_helper_automatic_chat_thread_title
-      return if (thread_id = args[:thread_id]).blank?
-
-      thread = ::Chat::Thread.find_by_id(thread_id)
-      return if thread.nil? || thread.title.present?
-
-      title = DiscourseAi::AiHelper::ChatThreadTitler.new(thread).suggested_title
-      return if title.blank?
-
-      # TODO use a proper API that will make the new title update live
-      thread.update!(title: title)
-    end
-  end
-end

app/jobs/regular/generate_embeddings.rb

@@ -1,26 +0,0 @@
-# frozen_string_literal: true
-
-module Jobs
-  class GenerateEmbeddings < ::Jobs::Base
-    sidekiq_options queue: "low"
-
-    def execute(args)
-      return unless SiteSetting.ai_embeddings_enabled
-      return if args[:target_type].blank? || args[:target_id].blank?
-      target = args[:target_type].constantize.find_by_id(args[:target_id])
-      return if target.nil? || target.deleted_at.present?
-
-      topic = target.is_a?(Topic) ? target : target.topic
-      post = target.is_a?(Post) ? target : target.first_post
-      return unless topic.present? && post.present?
-      return if topic.private_message? && !SiteSetting.ai_embeddings_generate_for_pms
-      return if post.raw.blank?
-
-      strategy = DiscourseAi::Embeddings::Strategies::Truncation.new
-      vector_rep =
-        DiscourseAi::Embeddings::VectorRepresentations::Base.current_representation(strategy)
-
-      vector_rep.generate_representation_from(target)
-    end
-  end
-end

app/jobs/regular/stream_post_helper.rb

@@ -1,35 +0,0 @@
-# frozen_string_literal: true
-
-module Jobs
-  class StreamPostHelper < ::Jobs::Base
-    sidekiq_options retry: false
-
-    def execute(args)
-      return unless post = Post.includes(:topic).find_by(id: args[:post_id])
-      return unless user = User.find_by(id: args[:user_id])
-      return unless args[:term_to_explain]
-
-      topic = post.topic
-      reply_to = post.reply_to_post
-
-      guardian = Guardian.new(user)
-      return unless guardian.can_see?(post)
-
-      prompt = CompletionPrompt.enabled_by_name("explain")
-
-      input = <<~TEXT
-      <term>#{args[:term_to_explain]}</term>
-      <context>#{post.raw}</context>
-          <topic>#{topic.title}</topic>
-          #{reply_to ? "<replyTo>#{reply_to.raw}</replyTo>" : nil}
-        TEXT
-
-      DiscourseAi::AiHelper::Assistant.new.stream_prompt(
-        prompt,
-        input,
-        user,
-        "/discourse-ai/ai-helper/explain/#{post.id}",
-      )
-    end
-  end
-end

app/jobs/scheduled/embeddings_backfill.rb

@@ -1,132 +0,0 @@
-# frozen_string_literal: true
-
-module Jobs
-  class EmbeddingsBackfill < ::Jobs::Scheduled
-    every 5.minutes
-    sidekiq_options queue: "low"
-    cluster_concurrency 1
-
-    def execute(args)
-      return unless SiteSetting.ai_embeddings_enabled
-
-      limit = SiteSetting.ai_embeddings_backfill_batch_size
-
-      if limit > 50_000
-        limit = 50_000
-        Rails.logger.warn(
-          "Limiting backfill batch size to 50,000 to avoid OOM errors, reduce ai_embeddings_backfill_batch_size to avoid this warning",
-        )
-      end
-
-      rebaked = 0
-
-      strategy = DiscourseAi::Embeddings::Strategies::Truncation.new
-      vector_rep =
-        DiscourseAi::Embeddings::VectorRepresentations::Base.current_representation(strategy)
-      table_name = vector_rep.topic_table_name
-
-      topics =
-        Topic
-          .joins("LEFT JOIN #{table_name} ON #{table_name}.topic_id = topics.id")
-          .where(archetype: Archetype.default)
-          .where(deleted_at: nil)
-          .order("topics.bumped_at DESC")
-          .limit(limit - rebaked)
-
-      rebaked += populate_topic_embeddings(vector_rep, topics)
-
-      vector_rep.consider_indexing
-
-      return if rebaked >= limit
-
-      # Then, we'll try to backfill embeddings for topics that have outdated
-      # embeddings, be it model or strategy version
-      relation = topics.where(<<~SQL)
-          #{table_name}.model_version < #{vector_rep.version}
-          OR
-          #{table_name}.strategy_version < #{strategy.version}
-        SQL
-
-      rebaked += populate_topic_embeddings(vector_rep, relation)
-
-      return if rebaked >= limit
-
-      # Finally, we'll try to backfill embeddings for topics that have outdated
-      # embeddings due to edits or new replies. Here we only do 10% of the limit
-      relation =
-        topics.where("#{table_name}.updated_at < ?", 7.days.ago).limit((limit - rebaked) / 10)
-
-      populate_topic_embeddings(vector_rep, relation)
-
-      return if rebaked >= limit
-
-      return unless SiteSetting.ai_embeddings_per_post_enabled
-
-      # Now for posts
-      table_name = vector_rep.post_table_name
-
-      posts =
-        Post
-          .joins("LEFT JOIN #{table_name} ON #{table_name}.post_id = posts.id")
-          .where(deleted_at: nil)
-          .limit(limit - rebaked)
-
-      # First, we'll try to backfill embeddings for posts that have none
-      posts
-        .where("#{table_name}.post_id IS NULL")
-        .find_each do |t|
-          vector_rep.generate_representation_from(t)
-          rebaked += 1
-        end
-
-      vector_rep.consider_indexing
-
-      return if rebaked >= limit
-
-      # Then, we'll try to backfill embeddings for posts that have outdated
-      # embeddings, be it model or strategy version
-      posts
-        .where(<<~SQL)
-          #{table_name}.model_version < #{vector_rep.version}
-          OR
-          #{table_name}.strategy_version < #{strategy.version}
-        SQL
-        .find_each do |t|
-          vector_rep.generate_representation_from(t)
-          rebaked += 1
-        end
-
-      return if rebaked >= limit
-
-      # Finally, we'll try to backfill embeddings for posts that have outdated
-      # embeddings due to edits. Here we only do 10% of the limit
-      posts
-        .where("#{table_name}.updated_at < ?", 7.days.ago)
-        .order("random()")
-        .limit((limit - rebaked) / 10)
-        .pluck(:id)
-        .each do |id|
-          vector_rep.generate_representation_from(Post.find_by(id: id))
-          rebaked += 1
-        end
-
-      rebaked
-    end
-
-    private
-
-    def populate_topic_embeddings(vector_rep, topics)
-      done = 0
-      ids = topics.where("#{vector_rep.topic_table_name}.topic_id IS NULL").pluck("topics.id")
-
-      ids.each do |id|
-        topic = Topic.find_by(id: id)
-        if topic
-          vector_rep.generate_representation_from(topic)
-          done += 1
-        end
-      end
-      done
-    end
-  end
-end

app/mailers/ai_report_mailer.rb

@@ -1,9 +0,0 @@
-# frozen_string_literal: true
-
-class AiReportMailer < ActionMailer::Base
-  include Email::BuildEmailHelper
-
-  def send_report(to_address, opts = {})
-    build_email(to_address, **opts)
-  end
-end

app/models/ai_api_audit_log.rb

@@ -4,9 +4,6 @@ class AiApiAuditLog < ActiveRecord::Base
   module Provider
     OpenAI = 1
     Anthropic = 2
-    HuggingFaceTextGeneration = 3
-    Gemini = 4
-    Vllm = 5
   end
 end
 
@@ -17,8 +14,6 @@ end
 #  id                   :bigint           not null, primary key
 #  provider_id          :integer          not null
 #  user_id              :integer
-#  topic_id             :integer
-#  post_id              :integer
 #  request_tokens       :integer
 #  response_tokens      :integer
 #  raw_request_payload  :string

app/models/completion_prompt.rb

@@ -1,60 +1,24 @@
 # frozen_string_literal: true
 
 class CompletionPrompt < ActiveRecord::Base
-  # TODO(roman): Remove may 2024.
-  self.ignored_columns = ["provider"]
-
-  TRANSLATE = -301
-  GENERATE_TITLES = -307
-  PROOFREAD = -303
-  MARKDOWN_TABLE = -304
-  CUSTOM_PROMPT = -305
-  EXPLAIN = -306
-  ILLUSTRATE_POST = -308
+  # TODO(roman): Remove sept 2023.
+  self.ignored_columns = ["value"]
 
   enum :prompt_type, { text: 0, list: 1, diff: 2 }
 
   validates :messages, length: { maximum: 20 }
   validate :each_message_length
 
-  after_commit { DiscourseAi::AiHelper::Assistant.clear_prompt_cache! }
-
-  def self.enabled_by_name(name)
-    where(enabled: true).find_by(name: name)
-  end
-
-  attr_accessor :custom_instruction
-
-  def messages_with_input(input)
-    return unless input
-
-    user_input =
-      if id == CUSTOM_PROMPT && custom_instruction.present?
-        "#{custom_instruction}:\n#{input}"
-      else
-        input
-      end
-
-    instructions = [messages_hash[:insts], messages_hash[:post_insts].to_s].join("\n")
-
-    prompt = DiscourseAi::Completions::Prompt.new(instructions)
-
-    messages_hash[:examples].to_a do |example_pair|
-      prompt.push(type: :user, content: example_pair.first)
-      prompt.push(type: :model, content: example_pair.second)
+  def messages_with_user_input(user_input)
+    if ::DiscourseAi::AiHelper::LlmPrompt.new.enabled_provider == "openai"
+      self.messages << { role: "user", content: user_input }
+    else
+      self.messages << { "role" => "Input", "content" => "<input>#{user_input}</input>" }
     end
-
-    prompt.push(type: :user, content: "<input>#{user_input}</input>")
-
-    prompt
   end
 
   private
 
-  def messages_hash
-    @messages_hash ||= messages.symbolize_keys!
-  end
-
   def each_message_length
     messages.each_with_index do |msg, idx|
       next if msg["content"].length <= 1000
@@ -76,8 +40,7 @@ end
 #  created_at      :datetime         not null
 #  updated_at      :datetime         not null
 #  messages        :jsonb
-#  temperature     :integer
-#  stop_sequences  :string           is an Array
+#  provider        :text
 #
 # Indexes
 #

app/models/post_custom_prompt.rb

@@ -1,9 +0,0 @@
-# frozen_string_literal: true
-
-class PostCustomPrompt < ActiveRecord::Base
-  belongs_to :post
-end
-
-class ::Post
-  has_one :post_custom_prompt, dependent: :destroy
-end

app/models/reviewable_ai_chat_message.rb

@@ -34,8 +34,7 @@ class ReviewableAiChatMessage < Reviewable
 
   def build_actions(actions, guardian, args)
     return unless pending?
-
-    return build_action(actions, :ignore, icon: "external-link-alt") if chat_message.blank?
+    return if chat_message.blank?
 
     agree =
       actions.add_bundle("#{id}-agree", icon: "thumbs-up", label: "reviewables.actions.agree.title")