FEATURE: allow to send LLM reports to groups (#1246)

* FEATURE: allow to send LLM reports to groups

* spec regression

db/post_migrate/20250404045050_migrate_users_to_email_group.rb

@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+class MigrateUsersToEmailGroup < ActiveRecord::Migration[7.2]
+  def up
+    execute <<~SQL
+      UPDATE discourse_automation_fields
+      SET component = 'email_group_user'
+      WHERE
+        component = 'users' AND
+        name = 'receivers' AND
+        automation_id IN (SELECT id FROM discourse_automation_automations WHERE script = 'llm_report')
+    SQL
+  end
+
+  def down
+    execute <<~SQL
+      UPDATE discourse_automation_fields
+      SET component = 'users'
+      WHERE
+        component = 'email_group_user' AND
+        name = 'receivers' AND
+        automation_id IN (SELECT id FROM discourse_automation_automations WHERE script = 'llm_report')
+    SQL
+  end
+end

discourse_automation/llm_report.rb

@@ -9,7 +9,7 @@ if defined?(DiscourseAutomation)
     triggerables %i[recurring]
 
     field :sender, component: :user, required: true
-    field :receivers, component: :users
+    field :receivers, component: :email_group_user
     field :topic_id, component: :text
     field :title, component: :text
     field :days, component: :text, required: true, default_value: 7

lib/automation/report_context_generator.rb

@@ -65,11 +65,15 @@ module DiscourseAi
           @posts = @posts.where(topic_id: topic_ids_with_tags)
         end
 
-        @solutions =
-          DiscourseSolved::SolvedTopic
-            .where(topic_id: @posts.select(:topic_id))
-            .pluck(:topic_id, :answer_post_id)
-            .to_h
+        if defined?(::DiscourseSolved)
+          @solutions =
+            DiscourseSolved::SolvedTopic
+              .where(topic_id: @posts.select(:topic_id))
+              .pluck(:topic_id, :answer_post_id)
+              .to_h
+        else
+          @solutions = {}
+        end
       end
 
       def format_topic(topic)

lib/automation/report_runner.rb

@@ -57,7 +57,15 @@ module DiscourseAi
         automation: nil
       )
         @sender = User.find_by(username: sender_username)
-        @receivers = User.where(username: receivers)
+        receivers_without_emails = receivers&.reject { |r| r.include? "@" }
+        if receivers_without_emails.present?
+          @group_receivers = Group.where(name: receivers_without_emails)
+          receivers_without_emails -= @group_receivers.pluck(:name)
+          @receivers = User.where(username: receivers_without_emails)
+        else
+          @group_receivers = []
+          @receivers = []
+        end
         @email_receivers = receivers&.filter { |r| r.include? "@" }
         @title =
           if title.present?
@@ -88,7 +96,8 @@ module DiscourseAi
         @temperature = nil if temperature.to_f < 0
         @suppress_notifications = suppress_notifications
 
-        if !@topic_id && !@receivers.present? && !@email_receivers.present?
+        if !@topic_id && !@receivers.present? && !@group_receivers.present? &&
+             !@email_receivers.present?
           raise ArgumentError, "Must specify topic_id or receivers"
         end
         @automation = automation
@@ -165,6 +174,7 @@ Follow the provided writing composition instructions carefully and precisely ste
         end
 
         receiver_usernames = @receivers.map(&:username).join(",")
+        receiver_groupnames = @group_receivers.map(&:name).join(",")
 
         result = suppress_notifications(result) if @suppress_notifications
 
@@ -173,7 +183,7 @@ Follow the provided writing composition instructions carefully and precisely ste
           # no debug mode for topics, it is too noisy
         end
 
-        if receiver_usernames.present?
+        if receiver_usernames.present? || receiver_groupnames.present?
           post =
             PostCreator.create!(
               @sender,
@@ -181,6 +191,7 @@ Follow the provided writing composition instructions carefully and precisely ste
               title: title,
               archetype: Archetype.private_message,
               target_usernames: receiver_usernames,
+              target_group_names: receiver_groupnames,
               skip_validations: true,
             )
 

spec/lib/discourse_automation/llm_report_spec.rb

@@ -23,7 +23,7 @@ describe DiscourseAutomation do
 
   it "can trigger via automation" do
     add_automation_field("sender", user.username, type: "user")
-    add_automation_field("receivers", [user.username], type: "users")
+    add_automation_field("receivers", [user.username], type: "email_group_user")
     add_automation_field("model", "custom:#{llm_model.id}")
     add_automation_field("title", "Weekly report")
 

spec/lib/modules/automation/report_runner_spec.rb

@@ -190,6 +190,38 @@ module DiscourseAi
           expect(debugging).not_to include(post_with_tag.raw)
         end
 
+        it "can send reports to groups only" do
+          group_for_reports = Fabricate(:group)
+          group_member = Fabricate(:user)
+          group_for_reports.add(group_member)
+
+          DiscourseAi::Completions::Llm.with_prepared_responses(["group report"]) do
+            ReportRunner.run!(
+              sender_username: user.username,
+              receivers: [group_for_reports.name],
+              title: "group report",
+              model: "custom:#{llm_model.id}",
+              category_ids: nil,
+              tags: nil,
+              allow_secure_categories: false,
+              debug_mode: false,
+              sample_size: 100,
+              instructions: "make a group report",
+              days: 7,
+              offset: 0,
+              priority_group_id: nil,
+              tokens_per_post: 150,
+            )
+          end
+
+          report_topic =
+            Topic.where(title: "group report", archetype: Archetype.private_message).first
+          expect(report_topic).to be_present
+          expect(report_topic.allowed_groups.map(&:id)).to eq([group_for_reports.id])
+          expect(report_topic.allowed_users.map(&:id)).to eq([user.id])
+          expect(report_topic.ordered_posts.first.raw).to eq("group report")
+        end
+
         it "generates correctly respects the params" do
           DiscourseAi::Completions::Llm.with_prepared_responses(["magical report"]) do
             ReportRunner.run!(