DEV: Add spam

app/controllers/discourse_ai/admin/ai_spam_controller.rb

@@ -10,6 +10,11 @@ module DiscourseAi
       end
 
       def update
+        # Get the initial settings for logging changes
+        initial_settings = AiModerationSetting.spam
+        initial_custom_instructions = initial_settings&.data&.dig("custom_instructions")
+        initial_llm_model_id = initial_settings&.llm_model_id
+        
         updated_params = {}
         if allowed_params.key?(:llm_model_id)
           llm_model_id = updated_params[:llm_model_id] = allowed_params[:llm_model_id]
@@ -36,6 +41,9 @@ module DiscourseAi
           else
             AiModerationSetting.create!(updated_params.merge(setting_type: :spam))
           end
+          
+          # Log any changes to custom_instructions or llm_model_id
+          log_ai_spam_update(initial_llm_model_id, initial_custom_instructions, allowed_params)
         end
 
         is_enabled = ActiveModel::Type::Boolean.new.cast(allowed_params[:is_enabled])
@@ -113,6 +121,34 @@ module DiscourseAi
 
       private
       
+      def log_ai_spam_update(initial_llm_model_id, initial_custom_instructions, params)
+        # Track changes for logging
+        changes_to_log = {}
+        
+        # Only track llm_model_id changes when it's in the params AND has actually changed
+        if params.key?(:llm_model_id) && initial_llm_model_id.to_s != params[:llm_model_id].to_s
+          # Get model names for better logging
+          old_model_name = LlmModel.find_by(id: initial_llm_model_id)&.display_name || initial_llm_model_id
+          new_model_name = LlmModel.find_by(id: params[:llm_model_id])&.display_name || params[:llm_model_id]
+          
+          changes_to_log[:llm_model_id] = "#{old_model_name} → #{new_model_name}"
+        end
+        
+        # Only track custom_instructions changes when it's in the params AND has actually changed
+        if params.key?(:custom_instructions) && initial_custom_instructions != params[:custom_instructions]
+          changes_to_log[:custom_instructions] = params[:custom_instructions]
+        end
+        
+        # Log the changes if any were made to llm_model_id or custom_instructions
+        if changes_to_log.present?
+          # Log the changes using StaffActionLogger (without a subject as requested)
+          StaffActionLogger.new(current_user).log_custom(
+            "update_ai_spam_settings", 
+            changes_to_log
+          )
+        end
+      end
+
       def allowed_params
         params.permit(:is_enabled, :llm_model_id, :custom_instructions)
       end

config/locales/client.en.yml

@@ -39,6 +39,7 @@ en:
             create_ai_embedding: "Create AI embedding"
             update_ai_embedding: "Update AI embedding"
             delete_ai_embedding: "Delete AI embedding"
+            update_ai_spam_settings: "Update AI spam settings"
 
   js:
     discourse_automation:

spec/requests/admin/ai_spam_controller_spec.rb

@@ -119,6 +119,78 @@ RSpec.describe DiscourseAi::Admin::AiSpamController do
             "custom instructions new",
           )
         end
+
+        it "logs staff action when custom_instructions change" do
+          put "/admin/plugins/discourse-ai/ai-spam.json",
+              params: {
+                is_enabled: true,
+                llm_model_id: llm_model.id,
+                custom_instructions: "updated instructions"
+              }
+
+          expect(response.status).to eq(200)
+          
+          # Verify the log was created with the right subject
+          history = UserHistory.where(action: UserHistory.actions[:custom_staff], custom_type: "update_ai_spam_settings").last
+          expect(history).to be_present
+          expect(history.subject).to eq("AI Spam Detection")
+          expect(history.details).to include("custom_instructions_changed")
+        end
+
+        it "logs staff action when llm_model_id changes" do
+          # Create another model to change to
+          new_llm_model = Fabricate(:llm_model, name: "New Test Model", display_name: "New Test Model")
+          
+          put "/admin/plugins/discourse-ai/ai-spam.json",
+              params: {
+                llm_model_id: new_llm_model.id
+              }
+
+          expect(response.status).to eq(200)
+          
+          # Verify the log was created with the right subject
+          history = UserHistory.where(action: UserHistory.actions[:custom_staff], custom_type: "update_ai_spam_settings").last
+          expect(history).to be_present
+          expect(history.subject).to eq("AI Spam Detection")
+          expect(history.details).to include("llm_model_id")
+        end
+
+        it "does not log staff action when only is_enabled changes" do
+          # Check initial count of logs
+          initial_count = UserHistory.where(action: UserHistory.actions[:custom_staff], custom_type: "update_ai_spam_settings").count
+
+          # Update only the is_enabled setting
+          put "/admin/plugins/discourse-ai/ai-spam.json",
+              params: {
+                is_enabled: false
+              }
+
+          expect(response.status).to eq(200)
+          
+          # Verify no new log was created
+          current_count = UserHistory.where(action: UserHistory.actions[:custom_staff], custom_type: "update_ai_spam_settings").count
+          expect(current_count).to eq(initial_count)
+        end
+
+        it "logs both custom_instructions and llm_model_id changes in one entry" do
+          # Create another model to change to
+          new_llm_model = Fabricate(:llm_model, name: "Another Test Model", display_name: "Another Test Model")
+          
+          put "/admin/plugins/discourse-ai/ai-spam.json",
+              params: {
+                llm_model_id: new_llm_model.id,
+                custom_instructions: "new instructions for both changes"
+              }
+
+          expect(response.status).to eq(200)
+          
+          # Verify the log was created with all changes
+          history = UserHistory.where(action: UserHistory.actions[:custom_staff], custom_type: "update_ai_spam_settings").last
+          expect(history).to be_present
+          expect(history.subject).to eq("AI Spam Detection")
+          expect(history.details).to include("llm_model_id")
+          expect(history.details).to include("custom_instructions_changed")
+        end
       end
     end
   end