feat: complete day 1

day1/routes/transaction.js

@@ -0,0 +1,96 @@
+const express = require("express");
+const router = express.Router();
+const { Transaction } = require("../models");
+
+const {
+  handleError,
+  handleSuccess,
+  handleSequelizeError,
+  deepEqual,
+} = require("../utils");
+
+// GET all transactions
+router.get("/", async (_, res) => {
+  try {
+    const transactions = await Transaction.findAll();
+    handleSuccess(res, transactions);
+  } catch (err) {
+    handleSequelizeError(err, res);
+  }
+});
+
+// GET one transaction by id
+router.get("/:id", async (req, res) => {
+  try {
+    const transaction = await Transaction.findByPk(req.params.id);
+    if (!transaction) return handleError("Transaction not found", 404, res);
+    handleSuccess(res, transaction);
+  } catch (err) {
+    handleSequelizeError(err, res);
+  }
+});
+
+// POST create a transaction
+router.post("/", async (req, res) => {
+  try {
+    const { order_id, user_id, shipping_dock_id, amount, notes } = req.body;
+    if (
+      order_id === undefined ||
+      user_id === undefined ||
+      shipping_dock_id === undefined ||
+      amount === undefined ||
+      notes === undefined
+    ) {
+      return handleError("All fields are required", 400, res);
+    }
+    const transaction = await Transaction.create(req.body);
+    handleSuccess(res, transaction, 201);
+  } catch (err) {
+    handleError(err.message, 500, res);
+  }
+});
+
+// PUT update a transaction
+router.put("/:id", async (req, res) => {
+  try {
+    const { id } = req.params;
+    const transaction = await Transaction.findByPk(id);
+    if (!transaction) return handleError("Transaction not found", 404, res);
+
+    // Only allow updating amount and notes
+    const allowedFields = ["amount", "notes"];
+    const changes = {};
+    for (const key of allowedFields) {
+      if (
+        req.body[key] !== undefined &&
+        !deepEqual(req.body[key], transaction[key])
+      ) {
+        changes[key] = req.body[key];
+      }
+    }
+
+    if (Object.keys(changes).length === 0) {
+      return handleError("No updated fields", 400, res); // No changes
+    }
+
+    await transaction.update(changes);
+    handleSuccess(res, await Transaction.findByPk(id));
+  } catch (err) {
+    handleSequelizeError(err, res);
+  }
+});
+
+// DELETE a transaction
+router.delete("/:id", async (req, res) => {
+  try {
+    const deleted = await Transaction.destroy({
+      where: { id: req.params.id },
+    });
+    if (deleted === 0) return handleError("Transaction not found", 404, res);
+    handleSuccess(res, null, 204); // 204 No Content
+  } catch (err) {
+    handleSequelizeError(err, res);
+  }
+});
+
+module.exports = router;