Updatweb

backend/utils/queryHelpers.js

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+const { query } = require("../config/database");
+
+const buildSelectQuery = (
+  table,
+  conditions = [],
+  orderBy = "createdat DESC"
+) => {
+  const whereClause =
+    conditions.length > 0 ? `WHERE ${conditions.join(" AND ")}` : "";
+  return `SELECT * FROM ${table} ${whereClause} ORDER BY ${orderBy}`;
+};
+
+const getById = async (table, id) => {
+  const result = await query(`SELECT * FROM ${table} WHERE id = $1`, [id]);
+  return result.rows[0] || null;
+};
+
+const getAllActive = async (table, orderBy = "createdat DESC") => {
+  const result = await query(
+    `SELECT * FROM ${table} WHERE isactive = true ORDER BY ${orderBy}`
+  );
+  return result.rows;
+};
+
+const deleteById = async (table, id) => {
+  const result = await query(
+    `DELETE FROM ${table} WHERE id = $1 RETURNING id`,
+    [id]
+  );
+  return result.rowCount > 0;
+};
+
+const countRecords = async (table, condition = "") => {
+  const whereClause = condition ? `WHERE ${condition}` : "";
+  const result = await query(`SELECT COUNT(*) FROM ${table} ${whereClause}`);
+  return parseInt(result.rows[0].count);
+};
+
+module.exports = {
+  buildSelectQuery,
+  getById,
+  getAllActive,
+  deleteById,
+  countRecords,
+};

backend/utils/responseHelpers.js

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+const { HTTP_STATUS } = require("../config/constants");
+
+const sendSuccess = (res, data = {}, statusCode = HTTP_STATUS.OK) => {
+  res.status(statusCode).json({
+    success: true,
+    ...data,
+  });
+};
+
+const sendError = (
+  res,
+  message = "Server error",
+  statusCode = HTTP_STATUS.INTERNAL_ERROR
+) => {
+  res.status(statusCode).json({
+    success: false,
+    message,
+  });
+};
+
+const sendNotFound = (res, resource = "Resource") => {
+  res.status(HTTP_STATUS.NOT_FOUND).json({
+    success: false,
+    message: `${resource} not found`,
+  });
+};
+
+const sendUnauthorized = (res, message = "Authentication required") => {
+  res.status(HTTP_STATUS.UNAUTHORIZED).json({
+    success: false,
+    message,
+  });
+};
+
+const sendForbidden = (res, message = "Access denied") => {
+  res.status(HTTP_STATUS.FORBIDDEN).json({
+    success: false,
+    message,
+  });
+};
+
+module.exports = {
+  sendSuccess,
+  sendError,
+  sendNotFound,
+  sendUnauthorized,
+  sendForbidden,
+};