basic crud operations on article table

backend/package-lock.json

@@ -12,7 +12,8 @@
         "dotenv": "^17.2.3",
         "drizzle-orm": "^0.44.7",
         "express": "^5.1.0",
-        "pg": "^8.16.3"
+        "pg": "^8.16.3",
+        "uuid": "^13.0.0"
       },
       "devDependencies": {
         "@types/express": "^5.0.5",
@@ -2285,6 +2286,19 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/uuid": {
+      "version": "13.0.0",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-13.0.0.tgz",
+      "integrity": "sha512-XQegIaBTVUjSHliKqcnFqYypAd4S+WCYt5NIeRs6w/UAry7z8Y9j5ZwRRL4kzq9U3sD6v+85er9FvkEaBpji2w==",
+      "funding": [
+        "https://github.com/sponsors/broofa",
+        "https://github.com/sponsors/ctavan"
+      ],
+      "license": "MIT",
+      "bin": {
+        "uuid": "dist-node/bin/uuid"
+      }
+    },
     "node_modules/vary": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",

backend/package.json

@@ -12,7 +12,8 @@
     "dotenv": "^17.2.3",
     "drizzle-orm": "^0.44.7",
     "express": "^5.1.0",
-    "pg": "^8.16.3"
+    "pg": "^8.16.3",
+    "uuid": "^13.0.0"
   },
   "devDependencies": {
     "@types/express": "^5.0.5",

backend/src/db/schema.ts

@@ -1,9 +1,9 @@
-import { integer, pgTable, varchar } from "drizzle-orm/pg-core";
+import { integer, uuid, pgTable, varchar, date } from "drizzle-orm/pg-core";
 
-export const usersTable = pgTable("users", {
+export const articles = pgTable("articles", {
-  id: integer().primaryKey().generatedAlwaysAsIdentity(),
+  id: uuid().notNull().primaryKey().defaultRandom(),
   name: varchar({ length: 255 }).notNull(),
-  age: integer().notNull(),
+  date: date({ mode: "date" }).notNull(),
-  email: varchar({ length: 255 }).notNull().unique(),
+  text: varchar({ length: 9999 }).notNull()
 });
 

backend/src/index.ts

@@ -1,19 +1,66 @@
 import 'dotenv/config';
 import { drizzle } from 'drizzle-orm/node-postgres';
+import { eq } from 'drizzle-orm';
 import express, { Request, Response } from "express";
+import { articles } from './db/schema.ts';
 
 // Create a connection to the database
 const db = drizzle(process.env.DATABASE_URL!);
 
 // Create a new express application instance
 const app = express();
+app.use(express.json());
 
 // Set the network port
 const port = process.env.PORT || 3000;
 
 // Define the root path with a greeting message
-app.get("/", (req: Request, res: Response) => {
+app.get("/status", (req: Request, res: Response) => {
-  res.json({ message: "Welcome to the Express + TypeScript Server!" });
+  res.json({ message: "Backend Operational" });
+});
+
+app.get("/getAllArticles", async (req: Request, res: Response) => {
+  const resp = await db.select().from(articles);
+  res.json({ resp });
+});
+
+app.get("/getArticle/:articleId", async (req: Request, res: Response) => {
+  const { articleId } = req.params;
+
+  const resp = await db.select()
+    .from(articles)
+    .where(eq(articles.id, articleId));
+  res.json({ resp });
+});
+
+app.post("/postArticle", async (req: Request, res: Response) => {
+  const resp = await db
+    .insert(articles)
+    .values({
+      ...req.body,
+      date: new Date(req.body.date)
+    });
+  res.json({ resp });
+});
+
+app.put("/putArticle/:articleId", async (req: Request, res: Response) => {
+  const { articleId } = req.params;
+  const resp = await db.update(articles)
+    .set({
+      name: req.body.name,
+      date: new Date(req.body.date),
+      text: req.body.text
+    })
+    .where(eq(articles.id, articleId));
+  res.json({ resp });
+});
+
+app.delete("/deleteArticle/:articleId", async (req: Request, res: Response) => {
+  const { articleId } = req.params;
+  const resp = await db.delete(articles)
+    .where(eq(articles.id, articleId));
+
+  res.json({ resp });
 });
 
 // Start the Express server