feature: guestbook lambda handler 구현

Author: toothlessdev

api-guestbook/bin/index.mjs

@@ -0,0 +1,13 @@
+import { handler } from "../src/index.mjs";
+import dotenv from "dotenv";
+
+dotenv.config({ path: "../.env" });
+
+// @ts-ignore
+const response = await handler({
+    httpMethod: "GET",
+    queryStringParameters: { take: "5" },
+    body: null,
+});
+
+console.log("Response:", response);

api-guestbook/package.json

@@ -0,0 +1,15 @@
+{
+    "name": "api-guestbook",
+    "version": "1.0.0",
+    "main": "index.js",
+    "license": "MIT",
+    "scripts": {
+        "dev": "node bin/index.mjs"
+    },
+    "dependencies": {
+        "uuid": "^11.1.0"
+    },
+    "devDependencies": {
+        "dotenv": "^16.5.0"
+    }
+}

api-guestbook/src/index.mjs

@@ -0,0 +1,26 @@
+import { BaseResponse } from "./base/BaseResponse.mjs";
+import { GuestbookController } from "./controllers/GuestbookController.mjs";
+import { GuestbookRepository } from "./repository/GuestbookRepository.mjs";
+
+/**
+ * @param {import("aws-lambda").APIGatewayEvent} event
+ * @returns {Promise<import("aws-lambda").APIGatewayProxyResult>}
+ */
+export const handler = async (event) => {
+    const guestbookRepository = new GuestbookRepository();
+    const guestbookController = new GuestbookController(event, guestbookRepository);
+
+    switch (event.httpMethod) {
+        case "GET":
+            return guestbookController.readGuestbook();
+        case "POST":
+            return guestbookController.createGuestbook();
+        case "DELETE":
+            return guestbookController.deleteGuestbook();
+        default:
+            return BaseResponse.from(405, {
+                message: `Method Not Allowed : ${event.httpMethod}`,
+                allowedMethods: ["GET", "POST", "DELETE"],
+            });
+    }
+};

api-guestbook/src/repository/GuestbookRepository.mjs

@@ -6,7 +6,7 @@ export class GuestbookRepository {
     static GUESTBOOK_TABLE = process.env.GUESTBOOK_TABLE;
 
     constructor() {
-        const client = new DynamoDBClient();
+        const client = new DynamoDBClient({ region: process.env.AWS_REGION });
         this.documentClient = DynamoDBDocumentClient.from(client);
     }
 

yarn.lock

@@ -3527,7 +3527,7 @@ diff-sequences@^29.6.3:
 
 dotenv@^16.5.0:
   version "16.5.0"
-  resolved "https://registry.npmjs.org/dotenv/-/dotenv-16.5.0.tgz"
+  resolved "https://registry.yarnpkg.com/dotenv/-/dotenv-16.5.0.tgz#092b49f25f808f020050051d1ff258e404c78692"
   integrity sha512-m/C+AwOAr9/W1UOIZUo232ejMNnJAJtYQjUbHoNTBNTJSvqzzDh7vnrei3o3r3m9blf6ZoDkvcw0VmozNRFJxg==
 
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