Add transaction section to admin dashboard

backend/controllers/transaction.js

@@ -0,0 +1,40 @@
+const db = require("../utils/database");
+
+exports.getTransactionWithPagination = async (req, res) => {
+  const limit = +req.query?.limit;
+  const page = +req.query?.page;
+  const offset = (page - 1) * limit;
+  try {
+    const [data, _] = await db.execute(
+      `SELECT T.TransactionID, DATE_FORMAT(T.Date, '%b-%d-%Y %h:%i %p') as Date, T.PaymentStatus, U.Name as UserName, P.Name as ProductName 
+			      FROM Transaction T
+			      LEFT JOIN User U ON T.UserID = U.UserID
+            LEFT JOIN Product P ON T.ProductID = P.ProductID
+            ORDER BY T.TransactionID ASC LIMIT ? OFFSET ?`,
+      [limit.toString(), offset.toString()]
+    );
+
+    const [result] = await db.execute(
+      "SELECT COUNT(*) AS count FROM Transaction"
+    );
+    const { count: total } = result[0];
+    return res.json({ data, total });
+  } catch (error) {
+    res.json({ error: "Cannot fetch transactions from database!" });
+  }
+};
+
+exports.removeTransation = async (req, res) => {
+  const { id } = req.params;
+  try {
+    const [result] = await db.execute(
+      "DELETE FROM Transaction WHERE TransactionID = ?;",
+      [id.toString()]
+    );
+    return res.json({ message: "Remove transaction successfully!" });
+  } catch (error) {
+    return res
+      .status(500)
+      .json({ error: "Cannot remove transactions from database!" });
+  }
+};