Setup/init setup dynamodb

app/createUser.ts

@@ -0,0 +1,25 @@
+import { Logger } from "@aws-lambda-powertools/logger";
+import { UserManager } from "./service/user-manager";
+import { CustomError } from "./utils/feedback-util";
+import { UserModel } from "./model/user-model";
+
+
+
+const logger = new Logger({
+    logLevel:"DEBUG",
+    serviceName:"createUser"
+})
+
+const userManager = new UserManager()
+
+export async function handler(event:any) {
+    logger.info(`ℹ️ Event received: ${JSON.stringify(event)}`)
+    try {
+        const {user} = event.argumments
+        let userModel = new UserModel(user.id || '',user.name,user.email,user.password)
+        return await userManager.creatUser(userModel)
+    } catch (error:any) {
+        logger.error(`❌ Error handling event: ${error.message}`)
+        throw new CustomError(500, `❌ Error handling event: ${error.message}`)
+    }
+}

app/model/user-model.ts

@@ -0,0 +1,59 @@
+import { randomUUID } from "crypto";
+import { User } from "../types/types";
+
+class UserModel {
+    public id: string;
+    public name: string;
+    public email: string;
+    public password: string;
+    public entity: string
+
+    constructor(
+      id?: string,
+      name?: string,
+      email?: string,
+      password?: string
+    ) {
+      this.id = id || randomUUID();
+      this.name = name || "";
+      this.email = email || '';
+      this.password = password || '';
+      this.entity = "USER"
+    }
+
+    get pk() {
+      return `${this.entity}#${this.id}`;
+    }
+
+    get sk() {
+      return `${this.entity}#${this.id}`;
+    }
+
+    get data(): User {
+      return {
+        id: this.id,
+        name: this.name,
+        email: this.email,
+        password: this.password
+      }
+    }
+
+    toItem(): Record<string, unknown> {
+      return {
+        PK: this.pk,
+        SK: this.sk,
+        data: this.data,
+        entity: this.entity
+      };
+    }
+
+   static fromItem(item: any) {
+      if (!item || !item.data) {
+        throw new Error(`❌ Invalid item received: ${item}`);
+      }
+      const {name, id, email, password } = item.data as User;
+      return new UserModel(id, name, email, password);
+    }
+
+  }
+export {UserModel}