Implement recipe retrieval methods and enhance inventory item types for better data handling

backend/src/recipes/recipes.service.ts

@@ -270,4 +270,35 @@ export class RecipesService {
       summary,
     };
   }
+
+  async findAll() {
+    return this.prisma.recipe.findMany({
+      include: {
+        ingredients: {
+          include: {
+            product: true,
+          },
+        },
+      },
+    });
+  }
+
+  async findOne(id: number) {
+    const recipe = await this.prisma.recipe.findUnique({
+      where: { id },
+      include: {
+        ingredients: {
+          include: {
+            product: true,
+          },
+        },
+      },
+    });
+
+    if (!recipe) {
+      throw new NotFoundException(`Recipe with id ${id} not found`);
+    }
+
+    return recipe;
+  }
 }