From 399c4d84a1f66fcf7d79bbd06fe5ba83121a8b6b Mon Sep 17 00:00:00 2001
From: Julian Krauser <jkrauser209@gmail.com>
Date: Mon, 14 Jul 2025 16:12:12 +0200
Subject: [PATCH] change: relation of newsletter receivers to query

---
 src/data-source.ts                            |  7 ++-
 src/entity/club/newsletter/newsletter.ts      |  2 +-
 ...502069178-updateNewsletterQueryRelation.ts | 44 +++++++++++++++++++
 3 files changed, 51 insertions(+), 2 deletions(-)
 create mode 100644 src/migrations/1752502069178-updateNewsletterQueryRelation.ts

diff --git a/src/data-source.ts b/src/data-source.ts
index ed56dad..74399a3 100644
--- a/src/data-source.ts
+++ b/src/data-source.ts
@@ -50,6 +50,7 @@ import { memberEducations } from "./entity/club/member/memberEducations";
 
 import { BackupAndResetDatabase1749296262915 } from "./migrations/1749296262915-BackupAndResetDatabase";
 import { CreateSchema1749296280721 } from "./migrations/1749296280721-CreateSchema";
+import { UpdateNewsletterQueryRelation1752502069178 } from "./migrations/1752502069178-updateNewsletterQueryRelation";
 
 configCheck();
 
@@ -108,7 +109,11 @@ const dataSource = new DataSource({
     webapiPermission,
     setting,
   ],
-  migrations: [BackupAndResetDatabase1749296262915, CreateSchema1749296280721],
+  migrations: [
+    BackupAndResetDatabase1749296262915,
+    CreateSchema1749296280721,
+    UpdateNewsletterQueryRelation1752502069178,
+  ],
   migrationsRun: true,
   migrationsTransactionMode: "each",
   subscribers: [],
diff --git a/src/entity/club/newsletter/newsletter.ts b/src/entity/club/newsletter/newsletter.ts
index ead7052..c17aa98 100644
--- a/src/entity/club/newsletter/newsletter.ts
+++ b/src/entity/club/newsletter/newsletter.ts
@@ -40,7 +40,7 @@ export class newsletter {
 
   @ManyToOne(() => query, {
     nullable: true,
-    onDelete: "CASCADE",
+    onDelete: "SET NULL",
     onUpdate: "RESTRICT",
     cascade: ["insert"],
   })
diff --git a/src/migrations/1752502069178-updateNewsletterQueryRelation.ts b/src/migrations/1752502069178-updateNewsletterQueryRelation.ts
new file mode 100644
index 0000000..759820c
--- /dev/null
+++ b/src/migrations/1752502069178-updateNewsletterQueryRelation.ts
@@ -0,0 +1,44 @@
+import { MigrationInterface, QueryRunner, TableForeignKey } from "typeorm";
+import { newsletter_table } from "./baseSchemaTables/newsletter";
+
+export class UpdateNewsletterQueryRelation1752502069178 implements MigrationInterface {
+  name = "UpdateNewsletterQueryRelation1752502069178";
+
+  public async up(queryRunner: QueryRunner): Promise<void> {
+    const table = await queryRunner.getTable("newsletter");
+    const foreignKey = table?.foreignKeys.find((fk) => fk.columnNames.includes("recipientsByQueryId"));
+    if (foreignKey) {
+      await queryRunner.dropForeignKey("newsletter", foreignKey);
+    }
+
+    await queryRunner.createForeignKey(
+      newsletter_table,
+      new TableForeignKey({
+        columnNames: ["recipientsByQueryId"],
+        referencedColumnNames: ["id"],
+        referencedTableName: "query",
+        onDelete: "SET NULL",
+        onUpdate: "RESTRICT",
+      })
+    );
+  }
+
+  public async down(queryRunner: QueryRunner): Promise<void> {
+    const table = await queryRunner.getTable("newsletter");
+    const foreignKey = table?.foreignKeys.find((fk) => fk.columnNames.includes("recipientsByQueryId"));
+    if (foreignKey) {
+      await queryRunner.dropForeignKey("newsletter", foreignKey);
+    }
+
+    await queryRunner.createForeignKey(
+      newsletter_table,
+      new TableForeignKey({
+        columnNames: ["recipientsByQueryId"],
+        referencedColumnNames: ["id"],
+        referencedTableName: "query",
+        onDelete: "CASCADE",
+        onUpdate: "RESTRICT",
+      })
+    );
+  }
+}