Add RelationshipChangeLog model and enhance character loading logic

backend/migrations/20260126000000-add-relationship-change-log.cjs

@@ -0,0 +1,105 @@
+/* eslint-disable */
+'use strict';
+
+/** Log-Tabelle für alle Änderungen an relationship und marriage_proposals (keine Einträge werden gelöscht).
+ *  Hilft zu analysieren, warum z.B. Werbungen um einen Partner über Nacht verschwinden. */
+
+module.exports = {
+  async up(queryInterface, Sequelize) {
+    await queryInterface.sequelize.query(`
+      CREATE TABLE IF NOT EXISTS falukant_log.relationship_change_log (
+        id serial PRIMARY KEY,
+        changed_at timestamp with time zone NOT NULL DEFAULT CURRENT_TIMESTAMP,
+        table_name character varying(64) NOT NULL,
+        operation character varying(16) NOT NULL,
+        record_id integer,
+        payload_old jsonb,
+        payload_new jsonb
+      );
+    `);
+    await queryInterface.sequelize.query(`
+      CREATE INDEX IF NOT EXISTS relationship_change_log_changed_at_idx
+      ON falukant_log.relationship_change_log (changed_at);
+    `);
+    await queryInterface.sequelize.query(`
+      CREATE INDEX IF NOT EXISTS relationship_change_log_table_operation_idx
+      ON falukant_log.relationship_change_log (table_name, operation);
+    `);
+
+    const triggerFunction = `
+      CREATE OR REPLACE FUNCTION falukant_log.log_relationship_change()
+      RETURNS TRIGGER AS $$
+      DECLARE
+        v_record_id INTEGER;
+        v_payload_old JSONB;
+        v_payload_new JSONB;
+      BEGIN
+        IF TG_OP = 'INSERT' THEN
+          v_record_id := NEW.id;
+          v_payload_old := NULL;
+          v_payload_new := to_jsonb(NEW);
+        ELSIF TG_OP = 'UPDATE' THEN
+          v_record_id := NEW.id;
+          v_payload_old := to_jsonb(OLD);
+          v_payload_new := to_jsonb(NEW);
+        ELSIF TG_OP = 'DELETE' THEN
+          v_record_id := OLD.id;
+          v_payload_old := to_jsonb(OLD);
+          v_payload_new := NULL;
+        END IF;
+
+        INSERT INTO falukant_log.relationship_change_log (
+          table_name,
+          operation,
+          record_id,
+          payload_old,
+          payload_new
+        ) VALUES (
+          TG_TABLE_NAME,
+          TG_OP,
+          v_record_id,
+          v_payload_old,
+          v_payload_new
+        );
+
+        IF TG_OP = 'DELETE' THEN
+          RETURN OLD;
+        ELSE
+          RETURN NEW;
+        END IF;
+      END;
+      $$ LANGUAGE plpgsql;
+    `;
+    await queryInterface.sequelize.query(triggerFunction);
+
+    await queryInterface.sequelize.query(`
+      DROP TRIGGER IF EXISTS trg_log_relationship_change ON falukant_data.relationship;
+      CREATE TRIGGER trg_log_relationship_change
+      AFTER INSERT OR UPDATE OR DELETE ON falukant_data.relationship
+      FOR EACH ROW
+      EXECUTE FUNCTION falukant_log.log_relationship_change();
+    `);
+    await queryInterface.sequelize.query(`
+      DROP TRIGGER IF EXISTS trg_log_relationship_change ON falukant_data.marriage_proposals;
+      CREATE TRIGGER trg_log_relationship_change
+      AFTER INSERT OR UPDATE OR DELETE ON falukant_data.marriage_proposals
+      FOR EACH ROW
+      EXECUTE FUNCTION falukant_log.log_relationship_change();
+    `);
+  },
+
+  async down(queryInterface, Sequelize) {
+    await queryInterface.sequelize.query(`
+      DROP TRIGGER IF EXISTS trg_log_relationship_change ON falukant_data.relationship;
+    `);
+    await queryInterface.sequelize.query(`
+      DROP TRIGGER IF EXISTS trg_log_relationship_change ON falukant_data.marriage_proposals;
+    `);
+    await queryInterface.sequelize.query(`
+      DROP FUNCTION IF EXISTS falukant_log.log_relationship_change();
+    `);
+    await queryInterface.sequelize.query(`
+      DROP TABLE IF EXISTS falukant_log.relationship_change_log;
+    `);
+  },
+};

backend/models/falukant/log/relationship_change_log.js

@@ -0,0 +1,49 @@
+import { Model, DataTypes } from 'sequelize';
+import { sequelize } from '../../../utils/sequelize.js';
+
+/**
+ * Log aller Änderungen an relationship und marriage_proposals.
+ * Einträge werden ausschließlich durch DB-Trigger geschrieben und nicht gelöscht.
+ * Hilft zu analysieren, warum z.B. Werbungen um einen Partner verschwinden.
+ */
+class RelationshipChangeLog extends Model {}
+
+RelationshipChangeLog.init(
+  {
+    changedAt: {
+      type: DataTypes.DATE,
+      allowNull: false,
+      defaultValue: DataTypes.NOW
+    },
+    tableName: {
+      type: DataTypes.STRING(64),
+      allowNull: false
+    },
+    operation: {
+      type: DataTypes.STRING(16),
+      allowNull: false
+    },
+    recordId: {
+      type: DataTypes.INTEGER,
+      allowNull: true
+    },
+    payloadOld: {
+      type: DataTypes.JSONB,
+      allowNull: true
+    },
+    payloadNew: {
+      type: DataTypes.JSONB,
+      allowNull: true
+    }
+  },
+  {
+    sequelize,
+    modelName: 'RelationshipChangeLog',
+    tableName: 'relationship_change_log',
+    schema: 'falukant_log',
+    timestamps: false,
+    underscored: true
+  }
+);
+
+export default RelationshipChangeLog;

backend/models/index.js

@@ -113,6 +113,7 @@ import Vote from './falukant/data/vote.js';
 import ElectionResult from './falukant/data/election_result.js';
 import PoliticalOfficeHistory from './falukant/log/political_office_history.js';
 import ElectionHistory from './falukant/log/election_history.js';
+import RelationshipChangeLog from './falukant/log/relationship_change_log.js';
 
 // — Kirchliche Ämter (Church) —
 import ChurchOfficeType from './falukant/type/church_office_type.js';
@@ -248,6 +249,7 @@ const models = {
   ElectionResult,
   PoliticalOfficeHistory,
   ElectionHistory,
+  RelationshipChangeLog,
   ChurchOfficeType,
   ChurchOfficeRequirement,
   ChurchOffice,