Add function to create a todo

src/functions/createTodo.ts

@@ -0,0 +1,37 @@
+import { APIGatewayProxyHandler } from "aws-lambda"
+import { document } from '../utils/dynamodbClient'
+import { v4 as uuid } from 'uuid'
+
+interface ICreateTodo {
+    id: string
+    userId: string
+    title: string
+    done: boolean
+    deadline: string
+}
+
+export const handler: APIGatewayProxyHandler = async (event) => {
+    const { title, deadline } = JSON.parse(event.body) as ICreateTodo
+    const { userId } = event.pathParameters
+
+    const todo: ICreateTodo = {
+        id: uuid(),
+        userId,
+        title,
+        done: false,
+        deadline
+    }
+
+    await document.put({
+        TableName: 'usersTodos',
+        Item: todo
+    }).promise()
+
+    return {
+        statusCode: 201,
+        body: JSON.stringify({
+            message: 'Todo generated successfully!',
+            todo
+        })
+    }
+}