Phase2: Invoicecomputation/AdminpricingUI/Ainvoicemgnt

src/app/api/admin/billing/orgs/route.ts

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+import { NextResponse } from "next/server";
+import { requirePlatformRole } from "@/lib/session";
+import { listTenants } from "@/lib/k8s";
+import { getOrgBilling, getOrgOpenBalances } from "@/lib/db";
+
+/**
+ * GET /api/admin/billing/orgs
+ *
+ * Returns the orgs known to the platform via tenant labels, with
+ * their billing-address-on-file status and open balance summary.
+ * Powers the generate form's org dropdown and the billing landing
+ * page's open-balance table.
+ *
+ * Each entry:
+ *   {
+ *     zitadelOrgId: string,
+ *     tenantCount: number,
+ *     hasBillingAddress: boolean,
+ *     companyName: string | null,
+ *     openCount: number,
+ *     overdueCount: number,
+ *     totalOpenChf: number
+ *   }
+ */
+export async function GET() {
+  try {
+    await requirePlatformRole();
+  } catch {
+    return NextResponse.json({ error: "Forbidden" }, { status: 403 });
+  }
+
+  // Org membership is derived from tenant labels — there's no
+  // separate "orgs" table on the portal. listTenants reads from
+  // K8s, which is the source of truth.
+  const tenants = await listTenants();
+  const orgIdToTenants = new Map<string, string[]>();
+  for (const t of tenants) {
+    const oid = t.metadata.labels?.["pieced.ch/zitadel-org-id"];
+    if (!oid) continue;
+    if (!orgIdToTenants.has(oid)) orgIdToTenants.set(oid, []);
+    orgIdToTenants.get(oid)!.push(t.metadata.name);
+  }
+
+  const balances = await getOrgOpenBalances();
+  const balanceMap = new Map(balances.map((b) => [b.zitadelOrgId, b]));
+
+  // Hydrate billing-address presence + company name per org.
+  const results = await Promise.all(
+    [...orgIdToTenants.entries()].map(async ([orgId, tenantNames]) => {
+      const billing = await getOrgBilling(orgId).catch(() => null);
+      const bal = balanceMap.get(orgId);
+      return {
+        zitadelOrgId: orgId,
+        tenantCount: tenantNames.length,
+        tenantNames,
+        hasBillingAddress: !!billing,
+        companyName: billing?.companyName ?? null,
+        country: billing?.country ?? null,
+        openCount: bal?.openCount ?? 0,
+        overdueCount: bal?.overdueCount ?? 0,
+        totalOpenChf: bal?.totalOpenChf ?? 0,
+      };
+    })
+  );
+
+  // Sort: orgs with overdue first, then open, then by name.
+  results.sort((a, b) => {
+    if (a.overdueCount !== b.overdueCount) {
+      return b.overdueCount - a.overdueCount;
+    }
+    if (a.openCount !== b.openCount) {
+      return b.openCount - a.openCount;
+    }
+    return (a.companyName ?? a.zitadelOrgId).localeCompare(
+      b.companyName ?? b.zitadelOrgId
+    );
+  });
+
+  return NextResponse.json(results);
+}