correct cascade delete options

src/repositories/AbstractRepository.ts

@@ -35,7 +35,7 @@ export abstract class AbstractRepository<T extends AbstractEntity> {
     await this.repo.delete(id as any);
   }
 
-  async save(entity: T): Promise<T> {
+  async update(entity: T): Promise<T> {
   return this.repo.save(entity);
 }
 

src/repositories/RecipeRepository.ts

@@ -1,5 +1,6 @@
 import { AbstractRepository } from "./AbstractRepository.js";
 import { RecipeEntity } from "../entities/RecipeEntity.js";
+import { AppDataSource } from "../data-source.js";
 
 export class RecipeRepository extends AbstractRepository<RecipeEntity> {
   constructor() {
@@ -20,6 +21,20 @@ export class RecipeRepository extends AbstractRepository<RecipeEntity> {
         'instructionSteps'
       ] 
     });
-    
   }
+
+  async updateRecipe(entity: RecipeEntity): Promise<RecipeEntity> {
+  return AppDataSource.transaction(async (em) => {
+    // load existing data
+    const existing = await this.repo.findOneOrFail({
+      where: { id: entity.id },
+      relations: ["instructionSteps", "ingredientGroups", "ingredientGroups.ingredients"],
+    });
+
+    // merge new entity and existing entity
+    this.repo.merge(existing, entity);
+    return this.repo.save(existing);
+  });
+}
+
 }