85 lines
3.1 KiB
TypeScript
85 lines
3.1 KiB
TypeScript
import { NextRequest, NextResponse } from "next/server";
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import { getDb } from "@/lib/db";
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export async function GET(
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request: NextRequest,
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{ params }: { params: Promise<{ id: string }> }
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) {
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try {
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const sql = getDb();
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const { id } = await params;
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const { searchParams } = new URL(request.url);
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const period = searchParams.get("period") || "month"; // week | month | year
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// --- On Order by product (not completed/cancelled) ---
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const onOrder = await sql(
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`SELECT p.id AS product_id, p.name AS product_name, p.sku,
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SUM(poi.quantity) AS total_ordered,
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SUM(COALESCE(poi.shipped_quantity, 0)) AS total_shipped,
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SUM(poi.quantity - COALESCE(poi.shipped_quantity, 0)) AS on_order
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FROM purchase_order_items poi
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JOIN purchase_orders po ON po.id = poi.purchase_order_id
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JOIN products p ON p.id = poi.product_id
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WHERE po.customer_id = $1
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AND po.status NOT IN ('completed', 'cancelled')
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AND poi.quantity > COALESCE(poi.shipped_quantity, 0)
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GROUP BY p.id, p.name, p.sku
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ORDER BY on_order DESC`,
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[Number(id)]
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);
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// --- Produced/shipped by product over time ---
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let dateFilter = "";
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if (period === "week") {
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dateFilter = "AND pl.created_at >= NOW() - INTERVAL '7 days'";
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} else if (period === "month") {
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dateFilter = "AND pl.created_at >= NOW() - INTERVAL '30 days'";
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} else if (period === "year") {
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dateFilter = "AND pl.created_at >= NOW() - INTERVAL '365 days'";
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}
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// Aggregate shipped quantities by product (from packing lists)
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const produced = await sql(
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`SELECT p.id AS product_id, p.name AS product_name, p.sku,
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SUM(pl.quantity) AS total_produced
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FROM packing_lists pl
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JOIN purchase_orders po ON po.id = pl.purchase_order_id
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JOIN purchase_order_items poi ON poi.id = pl.po_item_id
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JOIN products p ON p.id = poi.product_id
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WHERE po.customer_id = $1
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${dateFilter}
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GROUP BY p.id, p.name, p.sku
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ORDER BY total_produced DESC`,
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[Number(id)]
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);
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// Produced over time bucketed by date for chart
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let dateTrunc = "day";
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if (period === "year") dateTrunc = "month";
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const producedTimeline = await sql(
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`SELECT DATE_TRUNC('${dateTrunc}', pl.created_at) AS bucket,
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p.name AS product_name,
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p.sku,
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SUM(pl.quantity) AS quantity
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FROM packing_lists pl
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JOIN purchase_orders po ON po.id = pl.purchase_order_id
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JOIN purchase_order_items poi ON poi.id = pl.po_item_id
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JOIN products p ON p.id = poi.product_id
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WHERE po.customer_id = $1
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${dateFilter}
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GROUP BY bucket, p.id, p.name, p.sku
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ORDER BY bucket ASC`,
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[Number(id)]
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);
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return NextResponse.json({ onOrder, produced, producedTimeline });
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} catch (error) {
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console.error("[v0] Customer stats GET error:", error);
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return NextResponse.json(
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{ error: error instanceof Error ? error.message : "Failed to fetch customer stats" },
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{ status: 500 }
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);
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}
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}
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