Add character_name field and trigger for notifications in Falukant module

2025-12-08 23:37:07 +01:00
parent 856f7d56bf
commit be218aabf7
2 changed files with 72 additions and 0 deletions
--- a/backend/migrations/20251208000000-add-character-name-to-notification.cjs
+++ b/backend/migrations/20251208000000-add-character-name-to-notification.cjs
@@ -0,0 +1,61 @@
+"use strict";
+
+module.exports = {
+  async up(queryInterface, Sequelize) {
+    // 1) Add character_name column to notification table
+    await queryInterface.sequelize.query(`
+      ALTER TABLE IF EXISTS falukant_log.notification
+      ADD COLUMN IF NOT EXISTS character_name text;
+    `);
+
+    // 2) Create helper function to populate character_name from character_id
+    await queryInterface.sequelize.query(`
+      CREATE OR REPLACE FUNCTION falukant_log.populate_notification_character_name()
+      RETURNS TRIGGER AS $function$
+      DECLARE
+        v_first_name TEXT;
+        v_last_name  TEXT;
+      BEGIN
+        IF NEW.character_name IS NULL AND NEW.character_id IS NOT NULL THEN
+          SELECT pf.name, pl.name
+          INTO v_first_name, v_last_name
+          FROM falukant_data.character c
+          LEFT JOIN falukant_predefine.firstname pf ON pf.id = c.first_name
+          LEFT JOIN falukant_predefine.lastname  pl ON pl.id = c.last_name
+          WHERE c.id = NEW.character_id;
+
+          IF v_first_name IS NOT NULL OR v_last_name IS NOT NULL THEN
+            NEW.character_name := COALESCE(v_first_name, '') || CASE WHEN v_first_name IS NOT NULL AND v_last_name IS NOT NULL THEN ' ' ELSE '' END || COALESCE(v_last_name, '');
+          ELSE
+            -- Fallback to placeholder with id
+            NEW.character_name := ('#' || NEW.character_id::text);
+          END IF;
+        END IF;
+        RETURN NEW;
+      END;
+      $function$ LANGUAGE plpgsql;
+    `);
+
+    // 3) Create trigger that runs before insert to populate the column
+    await queryInterface.sequelize.query(`
+      DROP TRIGGER IF EXISTS trg_populate_notification_character_name ON falukant_log.notification;
+      CREATE TRIGGER trg_populate_notification_character_name
+      BEFORE INSERT ON falukant_log.notification
+      FOR EACH ROW
+      EXECUTE FUNCTION falukant_log.populate_notification_character_name();
+    `);
+  },
+
+  async down(queryInterface, Sequelize) {
+    await queryInterface.sequelize.query(`
+      DROP TRIGGER IF EXISTS trg_populate_notification_character_name ON falukant_log.notification;
+    `);
+    await queryInterface.sequelize.query(`
+      DROP FUNCTION IF EXISTS falukant_log.populate_notification_character_name();
+    `);
+    await queryInterface.sequelize.query(`
+      ALTER TABLE IF EXISTS falukant_log.notification
+      DROP COLUMN IF EXISTS character_name;
+    `);
+  }
+};