449 lines
16 KiB
JavaScript
449 lines
16 KiB
JavaScript
const { outputProgress, formatElapsedTime, estimateRemaining, calculateRate } = require('../metrics/utils/progress');
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const { importMissingProducts, setupTemporaryTables, cleanupTemporaryTables, materializeCalculations } = require('./products');
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/**
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* Imports orders from a production MySQL database to a local MySQL database.
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* It can run in two modes:
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* 1. Incremental update mode (default): Only fetch orders that have changed since the last sync time.
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* 2. Full update mode: Fetch all eligible orders within the last 5 years regardless of timestamp.
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*
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* @param {object} prodConnection - A MySQL connection to production DB (MySQL 5.7).
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* @param {object} localConnection - A MySQL connection to local DB (MySQL 8.0).
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* @param {boolean} incrementalUpdate - Set to false for a full sync; true for incremental.
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*
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* @returns {object} Information about the sync operation.
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*/
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async function importOrders(prodConnection, localConnection, incrementalUpdate = true) {
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const startTime = Date.now();
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const skippedOrders = new Set();
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const missingProducts = new Set();
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let recordsAdded = 0;
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let recordsUpdated = 0;
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try {
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// Get column names from the local table
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const [columns] = await localConnection.query(`
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SELECT COLUMN_NAME
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FROM INFORMATION_SCHEMA.COLUMNS
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WHERE TABLE_NAME = 'orders'
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ORDER BY ORDINAL_POSITION
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`);
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const columnNames = columns.map(col => col.COLUMN_NAME);
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// Get last sync info
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const [syncInfo] = await localConnection.query(
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"SELECT last_sync_timestamp FROM sync_status WHERE table_name = 'orders'"
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);
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const lastSyncTime = syncInfo?.[0]?.last_sync_timestamp || '1970-01-01';
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// Create temporary tables for staging data
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await localConnection.query(`
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CREATE TEMPORARY TABLE temp_order_items (
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order_id INT UNSIGNED,
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pid INT UNSIGNED,
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SKU VARCHAR(50),
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price DECIMAL(10,3),
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quantity INT,
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base_discount DECIMAL(10,3),
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PRIMARY KEY (order_id, pid)
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) ENGINE=InnoDB;
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CREATE TEMPORARY TABLE temp_order_meta (
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order_id INT UNSIGNED PRIMARY KEY,
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date DATE,
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customer INT UNSIGNED,
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customer_name VARCHAR(100),
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status TINYINT UNSIGNED,
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canceled TINYINT UNSIGNED
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) ENGINE=InnoDB;
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CREATE TEMPORARY TABLE temp_order_discounts (
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order_id INT UNSIGNED,
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pid INT UNSIGNED,
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discount DECIMAL(10,3),
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PRIMARY KEY (order_id, pid)
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) ENGINE=InnoDB;
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CREATE TEMPORARY TABLE temp_order_taxes (
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order_id INT UNSIGNED,
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pid INT UNSIGNED,
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tax DECIMAL(10,3),
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PRIMARY KEY (order_id, pid)
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) ENGINE=InnoDB;
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`);
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// Get base order items first
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const [orderItems] = await prodConnection.query(`
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SELECT
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oi.order_id,
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oi.prod_pid as pid,
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oi.prod_itemnumber as SKU,
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oi.prod_price as price,
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oi.qty_ordered as quantity,
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COALESCE(oi.prod_price_reg - oi.prod_price, 0) * oi.qty_ordered as base_discount
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FROM order_items oi
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USE INDEX (PRIMARY)
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JOIN _order o ON oi.order_id = o.order_id
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WHERE o.order_status >= 15
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AND o.date_placed_onlydate >= DATE_SUB(CURRENT_DATE, INTERVAL ${incrementalUpdate ? '1' : '5'} YEAR)
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AND o.date_placed_onlydate IS NOT NULL
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${incrementalUpdate ? `
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AND (
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o.stamp > ?
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OR oi.stamp > ?
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OR o.date_placed > ?
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OR o.date_shipped > ?
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OR o.date_cancelled > ?
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OR o.date_updated > ?
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)
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` : ''}
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`, incrementalUpdate ? [lastSyncTime, lastSyncTime, lastSyncTime, lastSyncTime, lastSyncTime, lastSyncTime] : []);
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const totalOrders = orderItems.length;
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let processed = 0;
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// Insert order items in batches
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for (let i = 0; i < orderItems.length; i += 5000) {
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const batch = orderItems.slice(i, Math.min(i + 5000, orderItems.length));
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const placeholders = batch.map(() => "(?, ?, ?, ?, ?, ?)").join(",");
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const values = batch.flatMap(item => [
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item.order_id, item.pid, item.SKU, item.price, item.quantity, item.base_discount
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]);
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await localConnection.query(`
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INSERT INTO temp_order_items VALUES ${placeholders}
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`, values);
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processed += batch.length;
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outputProgress({
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status: "running",
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operation: "Orders import",
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message: `Loading order items: ${processed} of ${totalOrders}`,
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current: processed,
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total: totalOrders
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});
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}
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// Get unique order IDs
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const orderIds = [...new Set(orderItems.map(item => item.order_id))];
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// Get order metadata in batches
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for (let i = 0; i < orderIds.length; i += 5000) {
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const batchIds = orderIds.slice(i, i + 5000);
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const [orders] = await prodConnection.query(`
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SELECT
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o.order_id,
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o.date_placed_onlydate as date,
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o.order_cid as customer,
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CONCAT(COALESCE(u.firstname, ''), ' ', COALESCE(u.lastname, '')) as customer_name,
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o.order_status as status,
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CASE WHEN o.date_cancelled != '0000-00-00 00:00:00' THEN 1 ELSE 0 END as canceled
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FROM _order o
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LEFT JOIN users u ON o.order_cid = u.cid
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WHERE o.order_id IN (?)
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`, [batchIds]);
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const placeholders = orders.map(() => "(?, ?, ?, ?, ?, ?)").join(",");
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const values = orders.flatMap(order => [
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order.order_id, order.date, order.customer, order.customer_name, order.status, order.canceled
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]);
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await localConnection.query(`
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INSERT INTO temp_order_meta VALUES ${placeholders}
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`, values);
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outputProgress({
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status: "running",
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operation: "Orders import",
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message: `Loading order metadata: ${i + orders.length} of ${orderIds.length}`,
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current: i + orders.length,
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total: orderIds.length
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});
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}
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// Get promotional discounts in batches
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for (let i = 0; i < orderIds.length; i += 5000) {
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const batchIds = orderIds.slice(i, i + 5000);
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const [discounts] = await prodConnection.query(`
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SELECT order_id, pid, SUM(amount) as discount
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FROM order_discount_items
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WHERE order_id IN (?)
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GROUP BY order_id, pid
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`, [batchIds]);
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if (discounts.length > 0) {
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const placeholders = discounts.map(() => "(?, ?, ?)").join(",");
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const values = discounts.flatMap(d => [d.order_id, d.pid, d.discount]);
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await localConnection.query(`
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INSERT INTO temp_order_discounts VALUES ${placeholders}
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`, values);
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}
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}
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// Get tax information in batches
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for (let i = 0; i < orderIds.length; i += 5000) {
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const batchIds = orderIds.slice(i, i + 5000);
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const [taxes] = await prodConnection.query(`
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SELECT DISTINCT
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oti.order_id,
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otip.pid,
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otip.item_taxes_to_collect as tax
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FROM order_tax_info oti
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JOIN (
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SELECT order_id, MAX(stamp) as max_stamp
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FROM order_tax_info
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WHERE order_id IN (?)
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GROUP BY order_id
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) latest ON oti.order_id = latest.order_id AND oti.stamp = latest.max_stamp
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JOIN order_tax_info_products otip ON oti.taxinfo_id = otip.taxinfo_id
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`, [batchIds]);
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if (taxes.length > 0) {
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// Remove any duplicates before inserting
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const uniqueTaxes = new Map();
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taxes.forEach(t => {
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const key = `${t.order_id}-${t.pid}`;
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uniqueTaxes.set(key, t);
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});
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const values = Array.from(uniqueTaxes.values()).flatMap(t => [t.order_id, t.pid, t.tax]);
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if (values.length > 0) {
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const placeholders = Array(uniqueTaxes.size).fill("(?, ?, ?)").join(",");
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await localConnection.query(`
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INSERT INTO temp_order_taxes VALUES ${placeholders}
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`, values);
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}
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}
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}
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// Now combine all the data and insert into orders table
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let importedCount = 0;
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// Pre-check all products at once instead of per batch
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const allOrderPids = [...new Set(orderItems.map(item => item.pid))];
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const [existingProducts] = allOrderPids.length > 0 ? await localConnection.query(
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"SELECT pid FROM products WHERE pid IN (?)",
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[allOrderPids]
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) : [[]];
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const existingPids = new Set(existingProducts.map(p => p.pid));
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// Process in larger batches
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for (let i = 0; i < orderIds.length; i += 5000) {
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const batchIds = orderIds.slice(i, i + 5000);
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// Get combined data for this batch
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const [orders] = await localConnection.query(`
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SELECT
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oi.order_id as order_number,
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oi.pid,
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oi.SKU,
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om.date,
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oi.price,
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oi.quantity,
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oi.base_discount + COALESCE(od.discount, 0) as discount,
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COALESCE(ot.tax, 0) as tax,
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0 as tax_included,
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0 as shipping,
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om.customer,
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om.customer_name,
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om.status,
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om.canceled
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FROM temp_order_items oi
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JOIN temp_order_meta om ON oi.order_id = om.order_id
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LEFT JOIN temp_order_discounts od ON oi.order_id = od.order_id AND oi.pid = od.pid
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LEFT JOIN temp_order_taxes ot ON oi.order_id = ot.order_id AND oi.pid = ot.pid
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WHERE oi.order_id IN (?)
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`, [batchIds]);
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// Filter orders and track missing products - do this in a single pass
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const validOrders = [];
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const values = [];
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for (const order of orders) {
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if (!existingPids.has(order.pid)) {
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missingProducts.add(order.pid);
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skippedOrders.add(order.order_number);
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continue;
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}
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validOrders.push(order);
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values.push(...columnNames.map(col => order[col] ?? null));
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}
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if (validOrders.length > 0) {
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// Pre-compute the placeholders string once
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const singlePlaceholder = `(${columnNames.map(() => "?").join(",")})`;
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const placeholders = Array(validOrders.length).fill(singlePlaceholder).join(",");
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const query = `
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INSERT INTO orders (${columnNames.join(",")})
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VALUES ${placeholders}
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ON DUPLICATE KEY UPDATE
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${columnNames.map(col => `${col} = VALUES(${col})`).join(",")}
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`;
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const result = await localConnection.query(query, values.flat());
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recordsAdded += result.affectedRows - result.changedRows;
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recordsUpdated += result.changedRows;
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importedCount += validOrders.length;
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}
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outputProgress({
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status: "running",
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operation: "Orders import",
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message: `Imported ${importedCount} of ${totalOrders} orders`,
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current: importedCount,
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total: totalOrders,
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elapsed: formatElapsedTime((Date.now() - startTime) / 1000),
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remaining: estimateRemaining(startTime, importedCount, totalOrders),
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rate: calculateRate(startTime, importedCount)
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});
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}
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// Clean up temporary tables
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await localConnection.query(`
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DROP TEMPORARY TABLE IF EXISTS temp_order_items;
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DROP TEMPORARY TABLE IF EXISTS temp_order_meta;
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DROP TEMPORARY TABLE IF EXISTS temp_order_discounts;
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DROP TEMPORARY TABLE IF EXISTS temp_order_taxes;
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`);
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// Import missing products if any
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if (missingProducts.size > 0) {
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try {
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// Import missing products directly without materialization
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await importMissingProducts(prodConnection, localConnection, Array.from(missingProducts));
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// Retry skipped orders after importing products
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if (skippedOrders.size > 0) {
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outputProgress({
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status: "running",
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operation: "Orders import",
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message: `Retrying import of ${skippedOrders.size} orders with previously missing products`
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});
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const skippedOrdersArray = Array.from(skippedOrders);
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const [skippedProdOrders] = skippedOrdersArray.length > 0 ? await prodConnection.query(`
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SELECT
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o.order_id,
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CASE
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WHEN o.date_placed = '0000-00-00 00:00:00' OR o.date_placed IS NULL THEN o.stamp
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ELSE o.date_placed
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END as date,
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o.order_cid,
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o.bill_firstname,
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o.bill_lastname,
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o.order_email,
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o.order_status,
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o.date_shipped,
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o.date_cancelled,
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oi.prod_pid,
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oi.prod_itemnumber,
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oi.prod_price,
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oi.qty_ordered,
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oi.qty_back,
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oi.qty_placed,
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oi.qty_placed_2,
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oi.discounted,
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oi.summary_cogs,
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oi.summary_profit,
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oi.summary_orderdate,
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oi.summary_paiddate,
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oi.date_added,
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oi.stamp
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FROM order_items oi
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JOIN _order o ON oi.order_id = o.order_id
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WHERE o.order_id IN (?)
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`, [skippedOrdersArray]) : [[]];
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// Prepare values for insertion
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const skippedOrderValues = skippedProdOrders.flatMap(order => {
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if (!order.date) {
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console.log(`Warning: Skipped order ${order.order_id} has null date:`, JSON.stringify(order, null, 2));
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return [];
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}
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const canceled = order.date_cancelled !== '0000-00-00 00:00:00' ? 1 : 0;
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const customerName = `${order.bill_firstname} ${order.bill_lastname}`;
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// Create an object with keys based on column names
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const orderData = {
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id: order.order_id,
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order_number: order.order_id,
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pid: order.prod_pid,
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SKU: order.prod_itemnumber,
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date: order.date ? (
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order.date instanceof Date ?
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order.date.toJSON()?.slice(0,10) || null :
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(typeof order.date === 'string' ? order.date.split(' ')[0] : null)
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) : null,
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price: order.prod_price,
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quantity: order.qty_ordered,
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discount: order.discounted,
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tax: 0, // Placeholder, will be calculated later
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tax_included: 0, // Placeholder, will be calculated later
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shipping: 0, // Placeholder, will be calculated later
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customer: order.order_email,
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customer_name: customerName,
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status: order.order_status,
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canceled: canceled,
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};
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// Map column names to values, handling missing columns
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return [columnNames.map(colName => orderData[colName] !== undefined ? orderData[colName] : null)];
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});
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// Construct the insert query dynamically
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const skippedPlaceholders = skippedProdOrders.map(() => `(${columnNames.map(() => "?").join(", ")})`).join(",");
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const skippedInsertQuery = `
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INSERT INTO orders (${columnNames.join(", ")})
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VALUES ${skippedPlaceholders}
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ON DUPLICATE KEY UPDATE
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${columnNames.map(col => `${col} = VALUES(${col})`).join(", ")}
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`;
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// Execute the insert query
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if (skippedOrderValues.length > 0) {
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await localConnection.query(skippedInsertQuery, skippedOrderValues.flat());
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}
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importedCount += skippedProdOrders.length;
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outputProgress({
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status: "running",
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operation: "Orders import",
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message: `Successfully imported ${skippedProdOrders.length} previously skipped orders`,
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});
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}
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} catch (error) {
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console.warn('Warning: Failed to import missing products:', error.message);
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console.warn(`Skipped ${skippedOrders.size} orders due to ${missingProducts.size} missing products`);
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}
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}
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// Only update sync status if we get here (no errors thrown)
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await localConnection.query(`
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INSERT INTO sync_status (table_name, last_sync_timestamp)
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VALUES ('orders', NOW())
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ON DUPLICATE KEY UPDATE last_sync_timestamp = NOW()
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`);
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return {
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status: "complete",
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totalImported: importedCount,
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recordsAdded,
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recordsUpdated,
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totalSkipped: skippedOrders.size,
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missingProducts: missingProducts.size,
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incrementalUpdate,
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lastSyncTime
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};
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} catch (error) {
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console.error("Error during orders import:", error);
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throw error;
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}
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}
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module.exports = importOrders;
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