Add CRUD endpoints

Author: pH-7

routes/diary.route.ts

@@ -1,7 +1,47 @@
-import fastify, { FastifyInstance } from "fastify";
+import { FastifyInstance } from "fastify";
+import { StatusCodes } from "http-status-codes";
 
+const dynamicDbData: any = [];
+
+interface Diary {
+  id: string;
+  title: string;
+  content: string;
+  createdAt: string;
+}
+
+// CRUD endpoints for diary app
 export async function diaryRouter(app: FastifyInstance) {
   app.get("/", async (request, reply) => {
-    return { hello: "world" };
+    reply.status(StatusCodes.OK).send(dynamicDbData);
+  });
+
+  app.post("/", async (request, reply) => {
+    const { body } = request;
+    dynamicDbData.push(body);
+    reply.status(StatusCodes.CREATED).send(body);
+  });
+
+  app.patch("/:id", async (request, reply) => {
+    const { id } = request.params as Diary;
+    const { body } = request;
+    const index = dynamicDbData.findIndex((item: Diary) => item.id === id);
+    if (index === -1) {
+      reply.status(StatusCodes.NOT_FOUND).send();
+    } else {
+      dynamicDbData[index] = { ...dynamicDbData[index], ...(body as Diary) };
+      reply.status(StatusCodes.OK).send(dynamicDbData[index]);
+    }
+  });
+
+  app.delete("/:id", async (request, reply) => {
+    const { id } = request.params as { id: string };
+    const index = dynamicDbData.findIndex((item: Diary) => item.id === id);
+    if (index === -1) {
+      reply.status(StatusCodes.NOT_FOUND).send();
+    } else {
+      dynamicDbData.splice(index, 1);
+      reply.status(StatusCodes.NO_CONTENT).send();
+    }
   });
 }