chore: upload parte 1 - logica

app/api/customers/route.ts

@@ -0,0 +1,78 @@
+import { NextRequest, NextResponse } from "next/server";
+import { getDb } from "@/lib/db";
+
+export async function GET(request: NextRequest) {
+  try {
+    const sql = getDb();
+    const { searchParams } = new URL(request.url);
+    const search = searchParams.get("search") || "";
+
+    let rows;
+    if (search) {
+      rows = await sql(
+        `SELECT c.*,
+          COUNT(po.id) AS order_count,
+          COALESCE(SUM(
+            CASE WHEN po.status != 'cancelled' THEN
+              (SELECT COALESCE(SUM(poi.quantity * poi.unit_price), 0) FROM purchase_order_items poi WHERE poi.purchase_order_id = po.id)
+            ELSE 0 END
+          ), 0) AS total_revenue
+         FROM customers c
+         LEFT JOIN purchase_orders po ON po.customer_id = c.id
+         WHERE c.name ILIKE $1 OR c.code ILIKE $1 OR c.email ILIKE $1 OR c.contact_person ILIKE $1
+         GROUP BY c.id
+         ORDER BY c.name ASC`,
+        [`%${search}%`]
+      );
+    } else {
+      rows = await sql(
+        `SELECT c.*,
+          COUNT(po.id) AS order_count,
+          COALESCE(SUM(
+            CASE WHEN po.status != 'cancelled' THEN
+              (SELECT COALESCE(SUM(poi.quantity * poi.unit_price), 0) FROM purchase_order_items poi WHERE poi.purchase_order_id = po.id)
+            ELSE 0 END
+          ), 0) AS total_revenue
+         FROM customers c
+         LEFT JOIN purchase_orders po ON po.customer_id = c.id
+         GROUP BY c.id
+         ORDER BY c.name ASC`
+      );
+    }
+
+    return NextResponse.json(rows);
+  } catch (error) {
+    console.error("[v0] Customers GET error:", error);
+    return NextResponse.json(
+      { error: error instanceof Error ? error.message : "Failed to fetch customers" },
+      { status: 500 }
+    );
+  }
+}
+
+export async function POST(request: NextRequest) {
+  try {
+    const sql = getDb();
+    const body = await request.json();
+    const { name, code, email, phone, address, contact_person, notes } = body;
+
+    if (!name || !code) {
+      return NextResponse.json({ error: "Name and code are required" }, { status: 400 });
+    }
+
+    const rows = await sql(
+      `INSERT INTO customers (name, code, email, phone, address, contact_person, notes)
+       VALUES ($1, $2, $3, $4, $5, $6, $7)
+       RETURNING *`,
+      [name, code, email || null, phone || null, address || null, contact_person || null, notes || null]
+    );
+
+    return NextResponse.json(rows[0], { status: 201 });
+  } catch (error) {
+    console.error("[v0] Customers POST error:", error);
+    return NextResponse.json(
+      { error: error instanceof Error ? error.message : "Failed to create customer" },
+      { status: 500 }
+    );
+  }
+}