FEATURE: Merge discourse-automation (#26432)

Automation (previously known as discourse-automation) is now a core plugin.

plugins/automation/lib/discourse_automation/post_extension.rb

@@ -0,0 +1,34 @@
+# frozen_string_literal: true
+
+module DiscourseAutomation
+  module PostExtension
+    extend ActiveSupport::Concern
+
+    prepended { validate :discourse_automation_topic_required_words }
+
+    def discourse_automation_topic_required_words
+      return if !SiteSetting.discourse_automation_enabled
+      return if self.post_type == Post.types[:small_action]
+      return if !topic
+      return if topic.custom_fields[DiscourseAutomation::CUSTOM_FIELD].blank?
+
+      topic.custom_fields[DiscourseAutomation::CUSTOM_FIELD].each do |automation_id|
+        automation = DiscourseAutomation::Automation.find_by(id: automation_id)
+        next if automation&.script != DiscourseAutomation::Scripts::TOPIC_REQUIRED_WORDS
+
+        words = automation.fields.find_by(name: "words")&.metadata&.[]("value")
+        next if words.blank?
+
+        if words.none? { |word| raw.include?(word) }
+          errors.add(
+            :base,
+            I18n.t(
+              "discourse_automation.scriptables.topic_required_words.errors.must_include_word",
+              words: words.join(", "),
+            ),
+          )
+        end
+      end
+    end
+  end
+end