Support org

src/app/api/support/tickets/[id]/route.ts

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+import { NextRequest, NextResponse } from "next/server";
+import { z } from "zod";
+import { getSessionUser } from "@/lib/session";
+import {
+  getSupportTicketById,
+  listCommentsForTicket,
+  updateSupportTicket,
+} from "@/lib/db";
+import { sendSupportTicketStatusEmail } from "@/lib/email";
+import { safeError } from "@/lib/errors";
+
+/**
+ * Single support ticket detail (Feature 5).
+ *
+ * GET — returns the ticket plus all comments in chronological order.
+ * Authorization: customer sees their own; platform admin sees any.
+ *
+ * PATCH — change status and/or category. Admin only. Sends a status
+ * change email to the customer if status changed, UNLESS the same
+ * call also creates a comment (in that case the comment endpoint
+ * handles the email so the customer doesn't get two messages).
+ *
+ * No DELETE — tickets are durable history. Resolved tickets stay in
+ * the DB for the audit trail.
+ */
+
+const patchSchema = z.object({
+  status: z
+    .enum(["open", "in_progress", "waiting_for_customer", "resolved", "reopened"])
+    .optional(),
+  category: z
+    .enum(["bug", "feature_request", "question", "billing", "other"])
+    .optional(),
+});
+
+export async function GET(
+  _req: NextRequest,
+  { params }: { params: Promise<{ id: string }> }
+) {
+  const user = await getSessionUser();
+  if (!user) {
+    return NextResponse.json({ error: "Unauthorized" }, { status: 401 });
+  }
+  const { id } = await params;
+  const ticket = await getSupportTicketById(id);
+  if (!ticket) {
+    return NextResponse.json({ error: "Not found" }, { status: 404 });
+  }
+  // Authorization: customer can see their own; platform admin can
+  // see any. Owners cannot see their org's tickets — confirmed by
+  // Feature 5 visibility design (per-user, not per-org).
+  if (!user.isPlatform && ticket.zitadelUserId !== user.id) {
+    // Don't leak existence — same 404 as if the ticket didn't exist.
+    return NextResponse.json({ error: "Not found" }, { status: 404 });
+  }
+  const comments = await listCommentsForTicket(id);
+  return NextResponse.json({ ticket, comments });
+}
+
+export async function PATCH(
+  req: NextRequest,
+  { params }: { params: Promise<{ id: string }> }
+) {
+  const user = await getSessionUser();
+  if (!user) {
+    return NextResponse.json({ error: "Unauthorized" }, { status: 401 });
+  }
+  const { id } = await params;
+  const ticket = await getSupportTicketById(id);
+  if (!ticket) {
+    return NextResponse.json({ error: "Not found" }, { status: 404 });
+  }
+
+  const body = await req.json().catch(() => null);
+  const parsed = patchSchema.safeParse(body);
+  if (!parsed.success) {
+    return NextResponse.json(
+      { error: "Invalid input", details: parsed.error.flatten() },
+      { status: 400 }
+    );
+  }
+
+  // Authorization: status/category changes are admin-only EXCEPT
+  // the customer can close their own ticket via status='resolved'
+  // (Feature 5 design — gives them an "I figured it out, never mind"
+  // escape hatch). Customer cannot reopen via this endpoint — that
+  // happens automatically when they comment on a resolved ticket
+  // (handled in the comments POST).
+  const isCustomerSelfClose =
+    !user.isPlatform &&
+    ticket.zitadelUserId === user.id &&
+    parsed.data.status === "resolved" &&
+    parsed.data.category === undefined;
+
+  if (!user.isPlatform && !isCustomerSelfClose) {
+    return NextResponse.json({ error: "Forbidden" }, { status: 403 });
+  }
+
+  try {
+    const previousStatus = ticket.status;
+    const updated = await updateSupportTicket(id, parsed.data);
+    if (!updated) {
+      return NextResponse.json({ error: "Not found" }, { status: 404 });
+    }
+
+    // Email customer when admin (not the customer themselves)
+    // changes status. Skip on customer-self-close — they know what
+    // they did. Skip when status didn't actually change (admin
+    // edited only category).
+    if (
+      user.isPlatform &&
+      parsed.data.status !== undefined &&
+      parsed.data.status !== previousStatus
+    ) {
+      sendSupportTicketStatusEmail({
+        to: ticket.contactEmail,
+        contactName: ticket.contactName,
+        ticketId: ticket.id,
+        title: ticket.title,
+        newStatus: parsed.data.status,
+      }).catch((e) => console.error("status email:", e));
+    }
+
+    return NextResponse.json({ ticket: updated });
+  } catch (e: any) {
+    console.error("Failed to update support ticket:", e);
+    return NextResponse.json(
+      { error: safeError(e, "Failed to update ticket") },
+      { status: 500 }
+    );
+  }
+}