Add backend changes and update scripts
This commit is contained in:
120
inventory-server/src/routes/categories.js
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120
inventory-server/src/routes/categories.js
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const express = require('express');
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const router = express.Router();
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// Get categories with pagination, filtering, and sorting
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router.get('/', async (req, res) => {
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const pool = req.app.locals.pool;
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try {
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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 offset = (page - 1) * limit;
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const search = req.query.search || '';
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const parent = req.query.parent || 'all';
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const performance = req.query.performance || 'all';
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const sortColumn = req.query.sortColumn || 'name';
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const sortDirection = req.query.sortDirection || 'asc';
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// Build the WHERE clause based on filters
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const whereConditions = [];
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const params = [];
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if (search) {
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whereConditions.push('(c.name LIKE ? OR c.description LIKE ?)');
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params.push(`%${search}%`, `%${search}%`);
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}
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if (parent !== 'all') {
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if (parent === 'none') {
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whereConditions.push('c.parent_category IS NULL');
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} else {
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whereConditions.push('c.parent_category = ?');
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params.push(parent);
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}
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}
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if (performance !== 'all') {
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switch (performance) {
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case 'high_growth':
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whereConditions.push('cm.growth_rate >= 20');
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break;
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case 'growing':
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whereConditions.push('cm.growth_rate >= 5 AND cm.growth_rate < 20');
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break;
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case 'stable':
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whereConditions.push('cm.growth_rate >= -5 AND cm.growth_rate < 5');
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break;
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case 'declining':
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whereConditions.push('cm.growth_rate < -5');
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break;
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}
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}
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const whereClause = whereConditions.length > 0
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? 'WHERE ' + whereConditions.join(' AND ')
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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 c.id) as total
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FROM categories c
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LEFT JOIN category_metrics cm ON c.id = cm.category_id
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${whereClause}
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`, params);
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// Get parent categories for filter dropdown
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const [parentCategories] = await pool.query(`
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SELECT DISTINCT parent_category
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FROM categories
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WHERE parent_category IS NOT NULL
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ORDER BY parent_category
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`);
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// Get categories with metrics
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const [categories] = await pool.query(`
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SELECT
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c.id as category_id,
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c.name,
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c.description,
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c.parent_category,
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cm.product_count,
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cm.total_value,
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cm.avg_margin,
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cm.turnover_rate,
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cm.growth_rate,
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cm.status
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FROM categories c
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LEFT JOIN category_metrics cm ON c.id = cm.category_id
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${whereClause}
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ORDER BY ${sortColumn} ${sortDirection}
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LIMIT ? OFFSET ?
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`, [...params, limit, offset]);
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// Get overall stats
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const [stats] = await pool.query(`
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SELECT
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COUNT(DISTINCT c.id) as totalCategories,
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COUNT(DISTINCT CASE WHEN cm.status = 'active' THEN c.id END) as activeCategories,
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SUM(cm.total_value) as totalValue,
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AVG(cm.avg_margin) as avgMargin,
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AVG(cm.growth_rate) as avgGrowth
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FROM categories c
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LEFT JOIN category_metrics cm ON c.id = cm.category_id
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`);
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res.json({
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categories,
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parentCategories: parentCategories.map(p => p.parent_category),
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stats: stats[0],
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pagination: {
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total: countResult[0].total,
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pages: Math.ceil(countResult[0].total / limit),
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current: page,
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}
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});
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} catch (error) {
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console.error('Error fetching categories:', error);
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res.status(500).json({ error: 'Failed to fetch categories' });
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}
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});
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module.exports = router;
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108
inventory-server/src/routes/vendors.js
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108
inventory-server/src/routes/vendors.js
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@@ -0,0 +1,108 @@
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const express = require('express');
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const router = express.Router();
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// Get vendors with pagination, filtering, and sorting
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router.get('/', async (req, res) => {
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const pool = req.app.locals.pool;
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try {
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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 offset = (page - 1) * limit;
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const search = req.query.search || '';
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const status = req.query.status || 'all';
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const performance = req.query.performance || 'all';
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const sortColumn = req.query.sortColumn || 'name';
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const sortDirection = req.query.sortDirection || 'asc';
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// Build the WHERE clause based on filters
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const whereConditions = [];
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const params = [];
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if (search) {
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whereConditions.push('(p.vendor LIKE ? OR vm.contact_name LIKE ?)');
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params.push(`%${search}%`, `%${search}%`);
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}
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if (status !== 'all') {
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whereConditions.push('vm.status = ?');
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params.push(status);
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}
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if (performance !== 'all') {
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switch (performance) {
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case 'excellent':
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whereConditions.push('vm.order_fill_rate >= 95');
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break;
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case 'good':
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whereConditions.push('vm.order_fill_rate >= 85 AND vm.order_fill_rate < 95');
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break;
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case 'fair':
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whereConditions.push('vm.order_fill_rate >= 75 AND vm.order_fill_rate < 85');
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break;
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case 'poor':
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whereConditions.push('vm.order_fill_rate < 75');
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break;
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}
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}
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const whereClause = whereConditions.length > 0
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? 'WHERE ' + whereConditions.join(' AND ')
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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 p.vendor) as total
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FROM products p
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LEFT JOIN vendor_metrics vm ON p.vendor = vm.vendor
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${whereClause}
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`, params);
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// Get vendors with metrics
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const [vendors] = await pool.query(`
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SELECT
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p.vendor as name,
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vm.contact_name,
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vm.email,
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vm.phone,
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vm.status,
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vm.avg_lead_time_days,
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vm.on_time_delivery_rate,
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vm.order_fill_rate,
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vm.total_orders,
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COUNT(DISTINCT p.product_id) as active_products
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FROM products p
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LEFT JOIN vendor_metrics vm ON p.vendor = vm.vendor
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${whereClause}
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GROUP BY p.vendor
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ORDER BY ${sortColumn} ${sortDirection}
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LIMIT ? OFFSET ?
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`, [...params, limit, offset]);
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// Get overall stats
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const [stats] = await pool.query(`
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SELECT
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COUNT(DISTINCT p.vendor) as totalVendors,
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COUNT(DISTINCT CASE WHEN vm.status = 'active' THEN p.vendor END) as activeVendors,
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AVG(vm.avg_lead_time_days) as avgLeadTime,
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AVG(vm.order_fill_rate) as avgFillRate,
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AVG(vm.on_time_delivery_rate) as avgOnTimeDelivery
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FROM products p
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LEFT JOIN vendor_metrics vm ON p.vendor = vm.vendor
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`);
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res.json({
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vendors,
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stats: stats[0],
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pagination: {
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total: countResult[0].total,
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pages: Math.ceil(countResult[0].total / limit),
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current: page,
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}
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});
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} catch (error) {
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console.error('Error fetching vendors:', error);
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res.status(500).json({ error: 'Failed to fetch vendors' });
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}
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});
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module.exports = router;
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