From 0665a79dd51c9637fcad604b967f7366befba1b2 Mon Sep 17 00:00:00 2001
From: Lauren Liberda <laura@selfisekai.rocks>
Date: Fri, 30 Jul 2021 19:05:51 +0200
Subject: [PATCH] item editing

---
 src/items/dto/edit-item.input.ts | 16 ++++++++++++++++
 src/items/items.resolver.ts      |  6 ++++++
 src/items/items.service.ts       | 18 ++++++++++++++++++
 3 files changed, 40 insertions(+)
 create mode 100644 src/items/dto/edit-item.input.ts

diff --git a/src/items/dto/edit-item.input.ts b/src/items/dto/edit-item.input.ts
new file mode 100644
index 0000000..9b3725d
--- /dev/null
+++ b/src/items/dto/edit-item.input.ts
@@ -0,0 +1,16 @@
+import { Field, ID, InputType } from '@nestjs/graphql';
+
+@InputType()
+export class EditItemInput {
+  @Field((type) => ID)
+  id: string;
+
+  @Field({ nullable: true })
+  name?: string;
+
+  @Field({ nullable: true })
+  notes?: string;
+
+  @Field((type) => ID, { nullable: true })
+  parent?: string;
+}
diff --git a/src/items/items.resolver.ts b/src/items/items.resolver.ts
index 68b46b6..0d11359 100644
--- a/src/items/items.resolver.ts
+++ b/src/items/items.resolver.ts
@@ -7,6 +7,7 @@ import {
   ResolveField,
   Resolver,
 } from '@nestjs/graphql';
+import { EditItemInput } from './dto/edit-item.input';
 import { NewItemInput } from './dto/new-item.input';
 import { EANService } from './ean/ean.service';
 import { ItemModel, PaginatedItems } from './items.model';
@@ -58,6 +59,11 @@ export class ItemsResolver {
     return this.itemsService.createItem(itemData);
   }
 
+  @Mutation((returns) => ItemModel)
+  async editItem(@Args('input') input: EditItemInput) {
+    return this.itemsService.editItem(input);
+  }
+
   @Mutation((returns) => ItemModel)
   async deleteItem(@Args('id', { type: () => ID }) itemId: string) {
     return this.itemsService.deleteItem(itemId);
diff --git a/src/items/items.service.ts b/src/items/items.service.ts
index b8a3765..8fdf906 100644
--- a/src/items/items.service.ts
+++ b/src/items/items.service.ts
@@ -3,6 +3,7 @@ import { InjectEntityManager, InjectRepository } from '@nestjs/typeorm';
 import { EntityManager, Repository, TreeRepository } from 'typeorm';
 import assert from 'assert';
 import { NewItemInput } from './dto/new-item.input';
+import { EditItemInput } from './dto/edit-item.input';
 import { EANService } from './ean/ean.service';
 import { Item } from './items.entity';
 import { ItemModel, PaginatedItems } from './items.model';
@@ -118,6 +119,23 @@ export class ItemsService {
     return item;
   }
 
+  async editItem(input: EditItemInput) {
+    const item = await this.itemRepository.findOneOrFail(
+      this.eans.toID(input.id),
+    );
+    const edited: Item = {
+      ...item,
+      ...input,
+      // input.id can be an EAN-13
+      id: item.id,
+      parent: input.parent
+        ? await this.itemRepository.findOneOrFail(this.eans.toID(input.parent))
+        : undefined,
+    };
+    await this.itemRepository.save(edited);
+    return edited;
+  }
+
   async deleteItem(id: string) {
     const item = await this.itemRepository.findOne(this.eans.toID(id));
     if (!item) {