Add purchase orders page with some bugs left
This commit is contained in:
315
inventory-server/src/routes/purchase-orders.js
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315
inventory-server/src/routes/purchase-orders.js
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@@ -0,0 +1,315 @@
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const express = require('express');
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const router = express.Router();
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// Get all purchase orders with summary metrics
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router.get('/', async (req, res) => {
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try {
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const pool = req.app.locals.pool;
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const { search, status, vendor, startDate, endDate, page = 1, limit = 100, sortColumn = 'date', sortDirection = 'desc' } = req.query;
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let whereClause = '1=1';
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const params = [];
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if (search) {
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whereClause += ' AND (po.po_id LIKE ? OR po.vendor LIKE ?)';
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params.push(`%${search}%`, `%${search}%`);
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}
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if (status && status !== 'all') {
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whereClause += ' AND po.status = ?';
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params.push(status);
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}
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if (vendor && vendor !== 'all') {
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whereClause += ' AND po.vendor = ?';
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params.push(vendor);
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}
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if (startDate) {
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whereClause += ' AND po.date >= ?';
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params.push(startDate);
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}
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if (endDate) {
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whereClause += ' AND po.date <= ?';
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params.push(endDate);
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}
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// Get total count for pagination
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const [countResult] = await pool.query(`
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SELECT COUNT(DISTINCT po_id) as total
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FROM purchase_orders po
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WHERE ${whereClause}
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`, params);
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const total = countResult[0].total;
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const offset = (page - 1) * limit;
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const pages = Math.ceil(total / limit);
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// Get recent purchase orders
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const [orders] = await pool.query(`
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SELECT
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po_id as id,
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vendor as vendor_name,
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DATE_FORMAT(date, '%Y-%m-%d') as order_date,
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status,
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COUNT(DISTINCT product_id) as total_items,
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SUM(ordered) as total_quantity,
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SUM(ordered * cost_price) as total_cost,
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SUM(received) as total_received,
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ROUND(
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SUM(received) / SUM(ordered), 3
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) as fulfillment_rate
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FROM purchase_orders po
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WHERE ${whereClause}
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GROUP BY po_id, vendor, date, status
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ORDER BY
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CASE
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WHEN ? = 'order_date' THEN date
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WHEN ? = 'vendor_name' THEN vendor
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WHEN ? = 'total_cost' THEN SUM(ordered * cost_price)
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WHEN ? = 'total_received' THEN SUM(received)
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WHEN ? = 'fulfillment_rate' THEN SUM(received) / SUM(ordered)
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ELSE date
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END ${sortDirection === 'desc' ? 'DESC' : 'ASC'}
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LIMIT ? OFFSET ?
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`, [...params, sortColumn, sortColumn, sortColumn, sortColumn, sortColumn, Number(limit), offset]);
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// Get unique vendors for filter options
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const [vendors] = await pool.query(`
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SELECT DISTINCT vendor
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FROM purchase_orders
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WHERE vendor IS NOT NULL AND vendor != ''
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ORDER BY vendor
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`);
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// Get unique statuses for filter options
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const [statuses] = await pool.query(`
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SELECT DISTINCT status
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FROM purchase_orders
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WHERE status IS NOT NULL AND status != ''
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ORDER BY status
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`);
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// Parse numeric values
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const parsedOrders = orders.map(order => ({
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id: order.id,
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vendor_name: order.vendor_name,
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order_date: order.order_date,
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status: order.status,
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total_items: Number(order.total_items) || 0,
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total_quantity: Number(order.total_quantity) || 0,
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total_cost: Number(order.total_cost) || 0,
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total_received: Number(order.total_received) || 0,
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fulfillment_rate: Number(order.fulfillment_rate) || 0
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}));
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res.json({
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orders: parsedOrders,
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pagination: {
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total,
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pages,
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page: Number(page),
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limit: Number(limit)
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},
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filters: {
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vendors: vendors.map(v => v.vendor),
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statuses: statuses.map(s => s.status)
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}
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});
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} catch (error) {
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console.error('Error fetching purchase orders:', error);
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res.status(500).json({ error: 'Failed to fetch purchase orders' });
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}
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});
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// Get vendor performance metrics
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router.get('/vendor-metrics', async (req, res) => {
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try {
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const pool = req.app.locals.pool;
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const [metrics] = await pool.query(`
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SELECT
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vendor as vendor_name,
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COUNT(DISTINCT po_id) as total_orders,
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SUM(ordered) as total_ordered,
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SUM(received) as total_received,
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ROUND(
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SUM(received) / SUM(ordered), 3
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) as fulfillment_rate,
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ROUND(
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SUM(ordered * cost_price) / SUM(ordered), 2
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) as avg_unit_cost,
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SUM(ordered * cost_price) as total_spend,
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ROUND(AVG(
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CASE
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WHEN status = 'received' AND received_date IS NOT NULL AND date IS NOT NULL
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THEN DATEDIFF(received_date, date)
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ELSE NULL
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END
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), 1) as avg_delivery_days
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FROM purchase_orders
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WHERE vendor IS NOT NULL AND vendor != ''
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GROUP BY vendor
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HAVING total_orders > 0
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ORDER BY total_spend DESC
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`);
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// Parse numeric values
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const parsedMetrics = metrics.map(vendor => ({
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id: vendor.vendor_name,
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vendor_name: vendor.vendor_name,
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total_orders: Number(vendor.total_orders) || 0,
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total_ordered: Number(vendor.total_ordered) || 0,
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total_received: Number(vendor.total_received) || 0,
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fulfillment_rate: Number(vendor.fulfillment_rate) || 0,
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avg_unit_cost: Number(vendor.avg_unit_cost) || 0,
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total_spend: Number(vendor.total_spend) || 0,
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avg_delivery_days: Number(vendor.avg_delivery_days) || 0
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}));
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res.json(parsedMetrics);
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} catch (error) {
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console.error('Error fetching vendor metrics:', error);
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res.status(500).json({ error: 'Failed to fetch vendor metrics' });
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}
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});
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// Get cost analysis
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router.get('/cost-analysis', async (req, res) => {
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try {
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const pool = req.app.locals.pool;
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const [analysis] = await pool.query(`
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SELECT
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p.categories,
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COUNT(DISTINCT po.product_id) as unique_products,
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ROUND(AVG(po.cost_price), 2) as avg_cost,
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MIN(po.cost_price) as min_cost,
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MAX(po.cost_price) as max_cost,
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ROUND(
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STDDEV(po.cost_price), 2
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) as cost_variance,
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SUM(po.ordered * po.cost_price) as total_spend
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FROM purchase_orders po
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JOIN products p ON po.product_id = p.product_id
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GROUP BY p.categories
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ORDER BY total_spend DESC
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`);
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// Parse numeric values and add ids for React keys
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const parsedAnalysis = analysis.map(item => ({
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id: item.categories || 'Uncategorized',
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categories: item.categories || 'Uncategorized',
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unique_products: Number(item.unique_products) || 0,
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avg_cost: Number(item.avg_cost) || 0,
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min_cost: Number(item.min_cost) || 0,
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max_cost: Number(item.max_cost) || 0,
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cost_variance: Number(item.cost_variance) || 0,
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total_spend: Number(item.total_spend) || 0
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}));
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// Transform the data with parsed values
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const transformedAnalysis = {
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...parsedAnalysis[0],
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total_spend_by_category: parsedAnalysis.map(item => ({
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id: item.categories,
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category: item.categories,
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total_spend: Number(item.total_spend)
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}))
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};
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res.json(transformedAnalysis);
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} catch (error) {
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console.error('Error fetching cost analysis:', error);
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res.status(500).json({ error: 'Failed to fetch cost analysis' });
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}
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});
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// Get receiving status metrics
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router.get('/receiving-status', async (req, res) => {
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try {
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const pool = req.app.locals.pool;
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const [status] = await pool.query(`
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WITH po_totals AS (
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SELECT
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po_id,
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SUM(ordered) as total_ordered,
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SUM(received) as total_received,
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SUM(ordered * cost_price) as total_cost
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FROM purchase_orders
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GROUP BY po_id
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)
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SELECT
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COUNT(DISTINCT po_id) as order_count,
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SUM(total_ordered) as total_ordered,
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SUM(total_received) as total_received,
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ROUND(
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SUM(total_received) / NULLIF(SUM(total_ordered), 0), 3
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) as fulfillment_rate,
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SUM(total_cost) as total_value,
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ROUND(AVG(total_cost), 2) as avg_cost
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FROM po_totals
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`);
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// Parse numeric values
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const parsedStatus = {
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order_count: Number(status[0].order_count) || 0,
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total_ordered: Number(status[0].total_ordered) || 0,
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total_received: Number(status[0].total_received) || 0,
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fulfillment_rate: Number(status[0].fulfillment_rate) || 0,
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total_value: Number(status[0].total_value) || 0,
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avg_cost: Number(status[0].avg_cost) || 0
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};
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res.json(parsedStatus);
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} catch (error) {
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console.error('Error fetching receiving status:', error);
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res.status(500).json({ error: 'Failed to fetch receiving status' });
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}
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});
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// Get order vs received quantities by product
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router.get('/order-vs-received', async (req, res) => {
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try {
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const pool = req.app.locals.pool;
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const [quantities] = await pool.query(`
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SELECT
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p.product_id,
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p.title as product,
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p.SKU as sku,
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SUM(po.ordered) as ordered_quantity,
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SUM(po.received) as received_quantity,
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ROUND(
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SUM(po.received) / NULLIF(SUM(po.ordered), 0) * 100, 1
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) as fulfillment_rate,
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COUNT(DISTINCT po.po_id) as order_count
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FROM products p
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JOIN purchase_orders po ON p.product_id = po.product_id
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WHERE po.date >= DATE_SUB(CURDATE(), INTERVAL 90 DAY)
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GROUP BY p.product_id, p.title, p.SKU
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HAVING order_count > 0
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ORDER BY ordered_quantity DESC
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LIMIT 20
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`);
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// Parse numeric values and add id for React keys
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const parsedQuantities = quantities.map(q => ({
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id: q.product_id,
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...q,
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ordered_quantity: Number(q.ordered_quantity),
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received_quantity: Number(q.received_quantity),
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fulfillment_rate: Number(q.fulfillment_rate),
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order_count: Number(q.order_count)
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}));
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res.json(parsedQuantities);
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} catch (error) {
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console.error('Error fetching order vs received quantities:', error);
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res.status(500).json({ error: 'Failed to fetch order vs received quantities' });
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}
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});
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module.exports = router;
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@@ -9,6 +9,7 @@ const dashboardRouter = require('./routes/dashboard');
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const ordersRouter = require('./routes/orders');
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const csvRouter = require('./routes/csv');
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const analyticsRouter = require('./routes/analytics');
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const purchaseOrdersRouter = require('./routes/purchase-orders');
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// Get the absolute path to the .env file
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const envPath = path.resolve(process.cwd(), '.env');
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@@ -79,6 +80,7 @@ app.use('/api/dashboard', dashboardRouter);
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app.use('/api/orders', ordersRouter);
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app.use('/api/csv', csvRouter);
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app.use('/api/analytics', analyticsRouter);
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app.use('/api/purchase-orders', purchaseOrdersRouter);
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// Basic health check route
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app.get('/health', (req, res) => {
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