Limit Discord integration to select guilds

Author: xfalcox

app/controllers/discourse_ai/discord/bot_controller.rb

@@ -22,9 +22,14 @@ def interactions
           # Respond to Discord PING request
           render json: { type: 1 }
         else
+          unless SiteSetting.ai_discord_allowed_guilds_map.include?(interaction.guild_id)
+            return head :forbidden
+          end
           response = { type: 5, data: { content: "Searching..." } }
           hijack { render json: response }
 
+          Rails.logger.info("Discord interaction received: #{body}")
+
           # Respond to Discord command
           Jobs.enqueue(:stream_discord_reply, interaction: body.dup)
         end

config/settings.yml

@@ -448,3 +448,7 @@ discourse_ai:
     default: ""
     type: enum
     enum: "DiscourseAi::Configuration::PersonaEnumerator"
+  ai_discord_allowed_guilds:
+    type: list
+    list_type: compact
+    default: ""