535 lines
14 KiB
JavaScript
535 lines
14 KiB
JavaScript
const express = require("express");
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const sqlite3 = require("sqlite3").verbose();
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const path = require("path");
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const app = express();
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// Middleware
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app.use(express.json());
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app.use(express.static("public"));
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// CORS middleware
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app.use((req, res, next) => {
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res.header("Access-Control-Allow-Origin", "*");
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res.header("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS");
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res.header("Access-Control-Allow-Headers", "Content-Type");
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if (req.method === "OPTIONS") {
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return res.sendStatus(200);
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}
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next();
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});
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// Initialize SQLite database
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const db = new sqlite3.Database("./products.db", (err) => {
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if (err) console.error(err.message);
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console.log("Connected to products database.");
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});
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function runInitAsync(sql, params = []) {
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return new Promise((resolve, reject) => {
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db.run(sql, params, (err) => {
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if (err) reject(err);
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else resolve();
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});
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});
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}
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function allInitAsync(sql, params = []) {
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return new Promise((resolve, reject) => {
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db.all(sql, params, (err, rows) => {
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if (err) reject(err);
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else resolve(rows);
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});
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});
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}
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async function initializeDatabase() {
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await runInitAsync(`CREATE TABLE IF NOT EXISTS batches (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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batch_name TEXT NOT NULL UNIQUE,
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createdAt DATETIME DEFAULT CURRENT_TIMESTAMP,
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status INTEGER NOT NULL DEFAULT 0
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)`);
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// Migration for existing databases: add status column if missing
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const columns = await allInitAsync(`PRAGMA table_info(batches)`);
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const hasStatusColumn = columns.some((col) => col.name === "status");
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if (!hasStatusColumn) {
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await runInitAsync(
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`ALTER TABLE batches ADD COLUMN status INTEGER NOT NULL DEFAULT 0`,
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);
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console.log("Added status column to batches table.");
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}
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await runInitAsync(`CREATE TABLE IF NOT EXISTS items (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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batch_id INTEGER NOT NULL,
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brand TEXT,
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mpn TEXT NOT NULL,
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mpn_custom TEXT,
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sn TEXT NOT NULL,
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sn_custom TEXT,
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createdAt DATETIME DEFAULT CURRENT_TIMESTAMP,
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FOREIGN KEY (batch_id) REFERENCES batches(id) ON DELETE CASCADE
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)`);
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await runInitAsync(`CREATE TABLE IF NOT EXISTS items_mix (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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batch_id INTEGER NOT NULL,
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brand TEXT,
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mpn TEXT NOT NULL,
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mpn_custom TEXT,
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sn TEXT NOT NULL,
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sn_custom TEXT,
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createdAt DATETIME DEFAULT CURRENT_TIMESTAMP,
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FOREIGN KEY (batch_id) REFERENCES batches(id) ON DELETE CASCADE
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)`);
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// Migration for existing databases: add sn_custom column if missing
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const itemsColumns = await allInitAsync(`PRAGMA table_info(items)`);
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if (!itemsColumns.some((col) => col.name === "sn_custom")) {
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await runInitAsync(`ALTER TABLE items ADD COLUMN sn_custom TEXT`);
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console.log("Added sn_custom column to items table.");
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}
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const itemsMixColumns = await allInitAsync(`PRAGMA table_info(items_mix)`);
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if (!itemsMixColumns.some((col) => col.name === "sn_custom")) {
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await runInitAsync(`ALTER TABLE items_mix ADD COLUMN sn_custom TEXT`);
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console.log("Added sn_custom column to items_mix table.");
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}
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// Create indexes for better performance
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await runInitAsync(
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`CREATE INDEX IF NOT EXISTS idx_items_batch_id ON items(batch_id)`,
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);
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await runInitAsync(
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`CREATE INDEX IF NOT EXISTS idx_items_mix_batch_id ON items_mix(batch_id)`,
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);
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await runInitAsync(
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`CREATE INDEX IF NOT EXISTS idx_batches_status ON batches(status)`,
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);
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await runInitAsync(`CREATE INDEX IF NOT EXISTS idx_items_mpn ON items(mpn)`);
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await runInitAsync(`CREATE INDEX IF NOT EXISTS idx_items_sn ON items(sn)`);
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await runInitAsync(
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`CREATE INDEX IF NOT EXISTS idx_items_brand ON items(brand)`,
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);
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await runInitAsync(
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`CREATE INDEX IF NOT EXISTS idx_items_mix_brand ON items_mix(brand)`,
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);
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}
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// ==================== BATCH API ROUTES ====================
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function runAsync(db, sql, params = []) {
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return new Promise((resolve, reject) => {
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db.run(sql, params, function (err) {
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if (err) reject(err);
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else resolve(this); // this.lastID, this.changes
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});
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});
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}
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function prepareRunAsync(stmt, params = []) {
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return new Promise((resolve, reject) => {
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stmt.run(params, function (err) {
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if (err) reject(err);
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else resolve();
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});
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});
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}
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function finalizeAsync(stmt) {
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return new Promise((resolve, reject) => {
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stmt.finalize((err) => (err ? reject(err) : resolve()));
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});
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}
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// Save batch with items and items_mix
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app.post("/api/batch/save", async (req, res) => {
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const { batch_name, items, items_mix } = req.body;
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if (!batch_name) {
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return res.status(400).json({ error: "batch_name is required" });
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}
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if (!Array.isArray(items) || items.length === 0) {
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return res
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.status(400)
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.json({ error: "items array is required and must not be empty" });
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}
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let insertedItems = 0;
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let insertedMixItems = 0;
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let errors = [];
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try {
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// BEGIN
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await runAsync(db, "BEGIN TRANSACTION");
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// Insert batch
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const batchResult = await runAsync(
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db,
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"INSERT INTO batches (batch_name) VALUES (?)",
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[batch_name],
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);
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const batchId = batchResult.lastID;
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// ===== Insert items =====
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const itemStmt = db.prepare(
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"INSERT INTO items (batch_id, brand, mpn, mpn_custom, sn, sn_custom) VALUES (?, ?, ?, ?, ?, ?)",
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);
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for (let i = 0; i < items.length; i++) {
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const item = items[i];
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if (!item.mpn || !item.sn) {
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errors.push(`Item at index ${i} is missing mpn or sn`);
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continue;
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}
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try {
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await prepareRunAsync(itemStmt, [
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batchId,
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item.brand || null,
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item.mpn,
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item.mpn_custom || null,
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item.sn,
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item.sn_custom || null,
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]);
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insertedItems++;
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} catch (err) {
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errors.push(`Error inserting item at index ${i}: ${err.message}`);
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}
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}
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await finalizeAsync(itemStmt);
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// ===== Insert items_mix (optional) =====
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if (Array.isArray(items_mix) && items_mix.length > 0) {
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const mixStmt = db.prepare(
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"INSERT INTO items_mix (batch_id, brand, mpn, mpn_custom, sn, sn_custom) VALUES (?, ?, ?, ?, ?, ?)",
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);
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for (let i = 0; i < items_mix.length; i++) {
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const item = items_mix[i];
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if (!item.mpn || !item.sn) {
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errors.push(`Mixed item at index ${i} is missing mpn or sn`);
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continue;
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}
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try {
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await prepareRunAsync(mixStmt, [
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batchId,
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item.brand || null,
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item.mpn,
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item.mpn_custom || null,
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item.sn,
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item.sn_custom || null,
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]);
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insertedMixItems++;
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} catch (err) {
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errors.push(
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`Error inserting mixed item at index ${i}: ${err.message}`,
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);
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}
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}
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await finalizeAsync(mixStmt);
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}
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// COMMIT
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await runAsync(db, "COMMIT");
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return res.json({
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success: true,
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batch_id: batchId,
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batch_name,
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inserted_items: insertedItems,
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inserted_mix_items: insertedMixItems,
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errors: errors.length ? errors : undefined,
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});
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} catch (err) {
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// ROLLBACK nếu có lỗi nghiêm trọng
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try {
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await runAsync(db, "ROLLBACK");
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} catch (_) {}
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return res.status(500).json({
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error: err.message,
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});
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}
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});
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// Get all batches with their items and items_mix
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app.get("/api/batch/get-all", (req, res) => {
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const page = parseInt(req.query.page) || 1;
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const limit = parseInt(req.query.limit) || 50;
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const search = req.query.search || "";
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const sortBy = req.query.sortBy || "id";
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const sortOrder = req.query.sortOrder || "DESC";
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const offset = (page - 1) * limit;
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// Validate sortBy
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const validColumns = ["id", "batch_name", "createdAt"];
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const column = validColumns.includes(sortBy) ? sortBy : "id";
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const order = sortOrder.toUpperCase() === "ASC" ? "ASC" : "DESC";
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const whereConditions = ["status = 0"];
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let searchParams = [];
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if (search) {
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const searchCondition = `
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(
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batch_name LIKE ?
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OR id LIKE ?
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OR EXISTS (
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SELECT 1 FROM items
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WHERE items.batch_id = batches.id
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AND sn LIKE ?
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)
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OR EXISTS (
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SELECT 1 FROM items_mix
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WHERE items_mix.batch_id = batches.id
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AND sn LIKE ?
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)
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)
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`;
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whereConditions.push(searchCondition);
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const searchParam = `%${search}%`;
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searchParams = [searchParam, searchParam, searchParam, searchParam];
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}
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const whereClause = ` WHERE ${whereConditions.join(" AND ")}`;
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const countQuery = `SELECT COUNT(*) as total FROM batches${whereClause}`;
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const query = `SELECT * FROM batches${whereClause} ORDER BY ${column} ${order} LIMIT ? OFFSET ?`;
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const countParams = [...searchParams];
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const queryParams = [...searchParams, limit, offset];
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db.get(countQuery, countParams, (err, countRow) => {
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if (err) {
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return res.status(500).json({ error: err.message });
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}
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db.all(query, queryParams, (err, batches) => {
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if (err) {
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return res.status(500).json({ error: err.message });
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}
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if (batches.length === 0) {
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return res.json({
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batches: [],
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total: 0,
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page,
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limit,
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totalPages: 0,
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});
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}
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// Get items for each batch
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let processed = 0;
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const batchesWithItems = [];
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batches.forEach((batch) => {
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// Get items
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db.all(
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"SELECT brand, mpn, mpn_custom, sn, sn_custom, createdAt FROM items WHERE batch_id = ?",
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[batch.id],
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(err, items) => {
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if (err) {
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console.error("Error fetching items:", err);
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items = [];
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}
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// Get items_mix
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db.all(
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"SELECT brand, mpn, mpn_custom, sn, sn_custom, createdAt FROM items_mix WHERE batch_id = ?",
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[batch.id],
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(err, items_mix) => {
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if (err) {
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console.error("Error fetching items_mix:", err);
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items_mix = [];
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}
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batchesWithItems.push({
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id: batch.id,
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batch_name: batch.batch_name,
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createdAt: batch.createdAt,
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items: items || [],
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items_mix: items_mix || [],
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});
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processed++;
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if (processed === batches.length) {
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res.json({
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batches: batchesWithItems,
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total: countRow.total,
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page,
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limit,
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totalPages: Math.ceil(countRow.total / limit),
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});
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}
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},
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);
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},
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);
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});
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});
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});
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});
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// Get single batch by ID
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app.get("/api/batch/get/:id", (req, res) => {
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const id = req.params.id;
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db.get(
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"SELECT * FROM batches WHERE id = ? AND status = 0",
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[id],
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(err, batch) => {
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if (err) {
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return res.status(500).json({ error: err.message });
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}
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if (!batch) {
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return res.status(404).json({ error: "Batch not found" });
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}
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// Get items
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db.all(
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"SELECT brand, mpn, mpn_custom, sn, sn_custom, createdAt FROM items WHERE batch_id = ?",
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[id],
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(err, items) => {
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if (err) {
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return res.status(500).json({ error: err.message });
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}
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// Get items_mix
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db.all(
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"SELECT brand, mpn, mpn_custom, sn, sn_custom, createdAt FROM items_mix WHERE batch_id = ?",
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[id],
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(err, items_mix) => {
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if (err) {
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return res.status(500).json({ error: err.message });
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}
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res.json({
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id: batch.id,
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batch_name: batch.batch_name,
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createdAt: batch.createdAt,
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items: items || [],
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items_mix: items_mix || [],
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});
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},
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);
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},
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);
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},
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);
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});
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// Soft delete batch (update status from 0 to 1)
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app.delete("/api/batch/delete/:id", (req, res) => {
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const id = req.params.id;
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db.run(
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"UPDATE batches SET status = 1 WHERE id = ? AND status = 0",
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[id],
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function (err) {
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if (err) {
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return res.status(500).json({ error: err.message });
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}
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if (this.changes === 0) {
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return res.status(404).json({ error: "Batch not found" });
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}
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res.json({ success: true, updated: this.changes, deleted: this.changes });
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},
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);
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});
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// Search items across all batches
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app.get("/api/items/search", (req, res) => {
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const search = req.query.q || "";
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if (!search) {
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return res.status(400).json({ error: "Search query is required" });
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}
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const searchParam = `%${search}%`;
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const query = `
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SELECT
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b.id as batch_id,
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b.batch_name,
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i.brand,
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i.mpn,
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i.mpn_custom,
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i.sn,
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i.sn_custom,
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i.createdAt,
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'items' as type
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FROM items i
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JOIN batches b ON i.batch_id = b.id
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WHERE i.mpn LIKE ? OR i.sn LIKE ? OR i.brand LIKE ? OR i.mpn_custom LIKE ? OR i.sn_custom LIKE ?
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UNION ALL
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SELECT
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b.id as batch_id,
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b.batch_name,
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im.brand,
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im.mpn,
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im.mpn_custom,
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im.sn,
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im.sn_custom,
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im.createdAt,
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'items_mix' as type
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FROM items_mix im
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JOIN batches b ON im.batch_id = b.id
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WHERE im.mpn LIKE ? OR im.sn LIKE ? OR im.brand LIKE ? OR im.mpn_custom LIKE ? OR im.sn_custom LIKE ?
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ORDER BY createdAt DESC
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LIMIT 100
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`;
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db.all(
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query,
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[
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searchParam,
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searchParam,
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searchParam,
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searchParam,
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searchParam,
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searchParam,
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searchParam,
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searchParam,
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searchParam,
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searchParam,
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],
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(err, results) => {
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if (err) {
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return res.status(500).json({ error: err.message });
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}
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res.json({ results });
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},
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);
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});
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// Serve HTML UI
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app.get("/", (req, res) => {
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res.sendFile(path.join(__dirname, "public", "index.html"));
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});
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const PORT = process.env.PORT || 4444;
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initializeDatabase()
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.then(() => {
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app.listen(PORT, () => {
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console.log(`Server is running on http://localhost:${PORT}`);
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});
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})
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.catch((err) => {
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console.error("Database initialization failed:", err.message);
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process.exit(1);
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});
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