Numex yayın: routes/stock.js

routes/stock.js

@@ -0,0 +1,124 @@
+'use strict';
+
+/**
+ * routes/stock.js
+ * Stok giriş/çıkış hareket rotaları + hareket log sayfası.
+ */
+
+const express = require('express');
+const router = express.Router();
+const productModel = require('../models/productModel');
+const stockModel = require('../models/stockModel');
+const lowStockService = require('../services/lowStockService');
+
+/** POST /in — stok girişi */
+router.post('/in', (req, res) => {
+  const { productId, quantity, note } = req.body || {};
+  const product = productModel.findById(productId);
+  if (!product) return res.status(404).json({ error: 'Ürün bulunamadı' });
+
+  const qty = Number(quantity);
+  if (!qty || qty <= 0) {
+    return res.status(400).json({ error: 'Geçerli bir miktar girilmelidir.' });
+  }
+
+  // Ürün stokunu artır — direct update
+  const newStock = Number(product.stock) + qty;
+  const updated = productModel.update(product.id, { stock: newStock });
+
+  const movement = stockModel.addMovement({
+    productId: product.id,
+    type: 'in',
+    quantity: qty,
+    note,
+    remainingStock: newStock
+  });
+
+  return res.status(201).json({
+    product: updated,
+    movement,
+    lowStock: Number(updated.stock) <= (Number(updated.minimumStock) || 10)
+  });
+});
+
+/** POST /out — stok çıkışı */
+router.post('/out', (req, res) => {
+  const { productId, quantity, note } = req.body || {};
+  const product = productModel.findById(productId);
+  if (!product) return res.status(404).json({ error: 'Ürün bulunamadı' });
+
+  const qty = Number(quantity);
+  if (!qty || qty <= 0) {
+    return res.status(400).json({ error: 'Geçerli bir miktar girilmelidir.' });
+  }
+  if (qty > Number(product.stock)) {
+    return res.status(400).json({
+      error: `Yetersiz stok! Mevcut stok: ${product.stock} (istenen: ${qty})`
+    });
+  }
+
+  const newStock = Number(product.stock) - qty;
+  const updated = productModel.update(product.id, { stock: newStock });
+
+  const movement = stockModel.addMovement({
+    productId: product.id,
+    type: 'out',
+    quantity: qty,
+    note,
+    remainingStock: newStock
+  });
+
+  return res.status(201).json({
+    product: updated,
+    movement,
+    lowStock: Number(updated.stock) <= (Number(updated.minimumStock) || 10)
+  });
+});
+
+/** GET /movements — hareket log sayfası (veya ?json=1 ile JSON) */
+router.get('/movements', (req, res) => {
+  const all = stockModel.getAll();
+  const typeFilter = req.query.type || '';
+  
+  let movements = all;
+  if (typeFilter === 'in' || typeFilter === 'out') {
+    movements = all.filter((m) => m.type === typeFilter);
+  }
+
+  const products = productModel.readAll();
+  const nameOf = (id) => {
+    const p = products.find((x) => x.id === Number(id));
+    return p ? p.name : 'Silinmiş Ürün';
+  };
+  const enriched = movements.map((m) => ({
+    ...m,
+    productName: nameOf(m.productId)
+  }));
+
+  if (req.query.json !== undefined) {
+    return res.json({ movements: enriched, typeFilter });
+  }
+
+  const counts = {
+    in: all.filter((m) => m.type === 'in').length,
+    out: all.filter((m) => m.type === 'out').length,
+    total: all.length
+  };
+
+  res.render('stock/movements', {
+    title: 'Stok Hareketleri',
+    movements: enriched,
+    typeFilter,
+    counts,
+    lowStockCount: lowStockService.countLowStock(),
+    bodyClass: 'movements-page'
+  });
+});
+
+/** GET /movements/:productId — ürüne özel hareketler (API JSON) */
+router.get('/movements/:productId', (req, res) => {
+  const movements = stockModel.getByProduct(req.params.productId);
+  return res.json(movements);
+});
+
+module.exports = router;