422 lines
10 KiB
PHP
422 lines
10 KiB
PHP
<?php
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namespace App\Http\Controllers;
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use Illuminate\Http\Request;
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use Illuminate\Support\Facades\DB;
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use Illuminate\Support\Facades\Auth;
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use Illuminate\Support\Facades\Log;
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use App\Models\ChatSession;
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use App\Models\ChatbotMessage;
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class ChatbotController extends Controller
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{
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// =========================
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// HALAMAN CHATBOT
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// =========================
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public function index()
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{
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$chatSession = ChatSession::with([
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'messages' => function ($q) {
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$q->orderBy('created_at', 'asc');
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}
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])
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->where('id_user', auth()->id())
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->where('status_chat', 'aktif')
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->first();
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$messages = $chatSession
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? $chatSession->messages
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: collect([]);
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return view(
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'halaman-chatbot',
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compact(
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'chatSession',
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'messages'
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)
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);
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}
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// =========================
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// KIRIM CHAT
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// =========================
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public function kirim(Request $request)
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{
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$pesanUser = $request->input('message');
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$pesanLower = strtolower($pesanUser);
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$keywordProperti = [
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'rumah',
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'properti',
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'katalog',
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'ruko',
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'subsidi',
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'tipe',
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'cluster',
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'unit',
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'harga',
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'beli rumah',
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'cari rumah',
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'lihat rumah',
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'lihat katalog',
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'show katalog',
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'perumahan'
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];
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$perluTampilkanKatalog = false;
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foreach ($keywordProperti as $keyword) {
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if (str_contains($pesanLower, $keyword)) {
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$perluTampilkanKatalog = true;
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break;
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}
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}
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$userId = Auth::id();
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// =========================
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// CEK SESSION CHAT
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// =========================
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$chatSession = DB::table('chat_sessions')
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->where('id_user', $userId)
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->where('status_chat', 'aktif')
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->first();
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// kalau belum ada session
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if (!$chatSession) {
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$sessionId =
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DB::table('chat_sessions')
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->insertGetId([
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'id_user' => $userId,
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'status_chat' => 'aktif',
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'started_at' => now(),
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'ended_at' => now()
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]);
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} else {
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$sessionId =
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$chatSession->id_sessions;
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session([
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'chat_session_id' => $sessionId
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]);
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}
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// =========================
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// SIMPAN CHAT USER
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// =========================
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DB::table('chat_messages')->insert([
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'id_sessions' => $sessionId,
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'sender' => 'user',
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'message' => $pesanUser,
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'created_at' => now()
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]);
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// =========================
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// DEFAULT
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// =========================
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$rekomendasiProperti = [];
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$balasan = 'Maaf kak, terjadi kesalahan 😥';
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// =========================
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// API KEY
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// =========================
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$apiKey = env('GROQ_API_KEY');
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if (!$apiKey) {
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return response()->json([
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'reply' => 'API key tidak ditemukan!',
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'options' => [],
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'properti' => []
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]);
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}
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// =========================
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// DATA PROPERTI
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// =========================
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$properti = DB::table('properti')
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->where('status_unit', 'tersedia')
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->select(
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'id_properti',
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'nama_properti',
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'jenis_properti',
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'kategori_properti',
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'tipe_properti',
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'harga_properti',
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'luas_bangunan',
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'luas_tanah',
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'stok_unit'
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)
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->get();
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$propertiJson =
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json_encode($properti);
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// =========================
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// SYSTEM PROMPT
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// =========================
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$systemPrompt = "
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Kamu adalah CaraniBot, customer service virtual PT. Carani Bhanu Balakosa.
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Gaya bicara:
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- Santai
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- Natural
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- Ramah
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- Seperti admin chat WhatsApp
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- Jangan terlalu formal
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- Jangan terlalu kaku
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- Gunakan emoji seperlunya 😊
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- Panggil user dengan 'kak' jika cocok
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ATURAN PENTING:
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- DILARANG menggunakan markdown.
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- DILARANG menggunakan tanda bintang seperti * atau **.
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- DILARANG membuat bullet list.
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- DILARANG membuat format poin-poin.
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- Balasan harus seperti chat biasa.
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- Gunakan kalimat natural dan mengalir.
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- Jangan terlalu panjang.
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Jika user baru menyebut ingin cari rumah/properti:
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- Jangan langsung memberi rekomendasi properti.
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- Tanya kebutuhan user dulu secara natural.
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Contoh gaya yang BENAR:
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'Siap kak 😊
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Boleh tahu budget dan lokasi yang kakak inginkan?'
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Contoh gaya yang SALAH:
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'* Budget? *
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* Lokasi? *'
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Kamu bisa membantu:
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- konsultasi properti
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- rekomendasi rumah
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- KPR
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- subsidi
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- lokasi properti
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- harga rumah
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- proses pembelian
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- pertanyaan umum pelanggan
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Data properti:
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$propertiJson
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Jika ingin merekomendasikan properti, gunakan format:
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[REKOMENDASI:id]
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Jika pengguna meminta melihat rumah, properti, ruko, katalog, unit, atau mencari rumah berdasarkan budget, lokasi, tipe, maupun kategori, WAJIB sertakan tag:
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[REKOMENDASI:id]
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Contoh:
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[REKOMENDASI:1,2]
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";
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try {
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$client = new \GuzzleHttp\Client();
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$response = $client->post(
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'https://api.groq.com/openai/v1/chat/completions',
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[
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'headers' => [
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'Content-Type' => 'application/json',
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'Authorization' => 'Bearer ' . $apiKey
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],
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'json' => [
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'model' => 'llama-3.1-8b-instant',
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'max_tokens' => 500,
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'messages' => [
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[
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'role' => 'system',
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'content' => $systemPrompt
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],
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[
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'role' => 'user',
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'content' => $pesanUser
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]
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]
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]
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]
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);
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$result =
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json_decode(
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$response->getBody(),
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true
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);
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$balasan =
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$result['choices'][0]['message']['content']
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?? 'Tidak ada balasan';
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Log::info($balasan);
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// =========================
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// CEK TAG REKOMENDASI
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// =========================
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if (
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preg_match(
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'/\[REKOMENDASI:([\d,]+)\]/',
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$balasan,
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$matches
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)
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) {
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$ids =
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explode(',', $matches[1]);
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$rekomendasiProperti =
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DB::table('properti')
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->whereIn(
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'id_properti',
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$ids
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)
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->where(
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'status_unit',
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'tersedia'
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)
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->select(
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'id_properti',
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'nama_properti',
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'jenis_properti',
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'kategori_properti',
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'tipe_properti',
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'harga_properti',
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'luas_bangunan',
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'luas_tanah',
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'stok_unit'
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)
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->get(1)
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->toArray();
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// hapus tag dari chat
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$balasan = trim(
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preg_replace(
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'/\[REKOMENDASI:[\d,]+\]/',
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'',
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$balasan
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)
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);
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}
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} catch (\Exception $e) {
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$balasan =
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'Maaf kak, server lagi gangguan 😥';
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$rekomendasiProperti = [];
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}
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// =========================
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// SIMPAN BALASAN BOT
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// =========================
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DB::table('chat_messages')->insert([
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'id_sessions' => $sessionId,
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'sender' => 'bot',
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'message' => $balasan,
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'properti_data' => json_encode($rekomendasiProperti),
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'created_at' => now()
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]);
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// =========================
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// RESPONSE JSON
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// =========================
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return response()->json([
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'reply' => $balasan,
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'options' => [],
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'properti' => $rekomendasiProperti
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]);
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}
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// =========================
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// HAPUS RIWAYAT CHAT
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// =========================
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public function hapusRiwayat()
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{
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$userId = auth()->id();
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$session = DB::table('chat_sessions')
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->where('id_user', $userId)
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->where('status_chat', 'aktif')
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->first();
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if ($session) {
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DB::table('chat_messages')
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->where('id_sessions', $session->id_sessions)
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->delete();
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DB::table('chat_sessions')
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->where('id_sessions', $session->id_sessions)
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->delete();
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}
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return response()->json([
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'success' => true
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]);
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}
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// PESAN TERBARU
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public function pesanTerbaru(Request $request)
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{
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$sessionId = session('chat_session_id');
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if (!$sessionId) {
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return response()->json([
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'messages' => []
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]);
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}
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$lastId = $request->last_id ?? 0;
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$messages = \App\Models\ChatbotMessage::where(
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'id_sessions',
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$sessionId
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)
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->where(
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'id_messages',
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'>',
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$lastId
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)
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->orderBy(
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'created_at',
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'asc'
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)
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->get();
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\Log::info([
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'session_chatbot' => $sessionId,
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'last_id' => $lastId,
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'jumlah_pesan' => $messages->count(),
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'messages' => $messages->pluck('sender')
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]);
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return response()->json([
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'messages' => $messages
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]);
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}
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} |