feat: improve ticket export and navigation

src/components/portal/portal-ticket-form.tsx

@@ -31,11 +31,12 @@ function toHtml(text: string) {
 
 export function PortalTicketForm() {
   const router = useRouter()
-  const { convexUserId, session } = useAuth()
+  const { convexUserId, session, machineContext } = useAuth()
   const createTicket = useMutation(api.tickets.create)
   const addComment = useMutation(api.tickets.addComment)
 
   const tenantId = session?.user.tenantId ?? DEFAULT_TENANT_ID
+  const viewerId = (convexUserId ?? machineContext?.assignedUserId ?? null) as Id<"users"> | null
 
   const [subject, setSubject] = useState("")
   const [summary, setSummary] = useState("")
@@ -51,7 +52,7 @@ export function PortalTicketForm() {
 
   async function handleSubmit(event: React.FormEvent) {
     event.preventDefault()
-    if (!convexUserId || !isFormValid || isSubmitting) return
+    if (!viewerId || !isFormValid || isSubmitting) return
 
     const trimmedSubject = subject.trim()
     const trimmedSummary = summary.trim()
@@ -66,14 +67,14 @@ export function PortalTicketForm() {
     toast.loading("Abrindo chamado...", { id: "portal-new-ticket" })
     try {
       const id = await createTicket({
-        actorId: convexUserId as Id<"users">,
+        actorId: viewerId,
         tenantId,
         subject: trimmedSubject,
         summary: trimmedSummary || undefined,
         priority: DEFAULT_PRIORITY,
         channel: "MANUAL",
         queueId: undefined,
-        requesterId: convexUserId as Id<"users">,
+        requesterId: viewerId,
         categoryId: categoryId as Id<"ticketCategories">,
         subcategoryId: subcategoryId as Id<"ticketSubcategories">,
       })
@@ -89,7 +90,7 @@ export function PortalTicketForm() {
         }))
         await addComment({
           ticketId: id as Id<"tickets">,
-          authorId: convexUserId as Id<"users">,
+          authorId: viewerId,
           visibility: "PUBLIC",
           body: htmlBody,
           attachments: typedAttachments,
@@ -186,7 +187,7 @@ export function PortalTicketForm() {
             </Button>
             <Button
               type="submit"
-              disabled={!isFormValid || isSubmitting}
+              disabled={!isFormValid || isSubmitting || !viewerId}
               className="rounded-full bg-neutral-900 px-6 text-sm font-semibold text-white hover:bg-neutral-900/90"
             >
               Registrar chamado