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Add guest trial chat, agent tier credits, and deployment instructions
Co-authored-by: bixmatech <bixmatech@gmail.com>
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‎README.md

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@@ -59,3 +59,17 @@ If you discover a security vulnerability within Laravel, please send an e-mail t
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## License
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The Laravel framework is open-sourced software licensed under the [MIT license](https://opensource.org/licenses/MIT).
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# AI Agents SaaS (Laravel)
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## Plesk Deployment
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- Zip the project directory (excluding vendor if needed) and upload to your Plesk domain root.
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- Extract and ensure `storage` and `bootstrap/cache` are writable.
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- Create a MySQL database in Plesk and set `.env` accordingly (DB_*, APP_URL, MAIL_*, OPENAI_API_KEY, STRIPE_*).
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- Visit `/install` to generate app key, run migrations, and create the first admin user.
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## Features
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- Agents (chatbots) with model settings, public pages, embed.
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- Chat UI (guest trial of 3 messages, then login), history, sharing.
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- Credits and Stripe checkout; manual bank payments with admin approval.
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- Admin panel to manage agents, packages, users, payments.

‎app/Http/Controllers/ChatController.php

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@@ -23,6 +23,10 @@ protected function filterBadWords(string $text): string
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public function send(Request $request, Agent $agent)
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{
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$user = $request->user();
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$requiredMin = $agent->requiredMinCredits();
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if ($requiredMin !== null && $user->credits < $requiredMin) {
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return response()->json(['error' => 'This agent requires at least '.$requiredMin.' credits.'], 403);
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}
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if ($user->credits <= 0) {
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return response()->json(['error' => 'Insufficient credits'], 402);
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}
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'remaining_credits' => $user->fresh()->credits,
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]);
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}
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public function guest(Request $request, Agent $agent)
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{
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$data = $request->validate([
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'message' => 'required|string|max:4000',
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'thread_key' => 'nullable|string',
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]);
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$trialUsed = (int) $request->session()->get('guest_trial_count', 0);
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if ($trialUsed >= 3) {
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return response()->json(['error' => 'Trial limit reached. Please log in.'], 429);
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}
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$message = $this->filterBadWords($data['message']);
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$messages = [];
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if ($agent->prompt) $messages[] = ['role' => 'system', 'content' => $agent->prompt];
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$messages[] = ['role' => 'user', 'content' => $message];
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$client = OpenAI::client(config('services.openai.api_key'));
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$resp = $client->chat()->create([
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'model' => $agent->model,
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'messages' => $messages,
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'temperature' => $agent->temperature ?? 1.0,
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'max_tokens' => $agent->max_tokens ?? 256,
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]);
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$answer = $resp->choices[0]->message->content ?? '';
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$request->session()->put('guest_trial_count', $trialUsed + 1);
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return response()->json([
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'message' => $answer,
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'remaining_trial' => max(0, 3 - ($trialUsed + 1)),
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]);
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}
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}

‎app/Models/Agent.php

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{
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return $this->belongsTo(Category::class);
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}
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public function tiers()
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{
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return $this->belongsToMany(Tier::class);
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}
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public function requiredMinCredits(): ?int
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{
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$min = $this->tiers()->min('min_credits');
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return $min ? (int) $min : null;
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}
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}

‎resources/views/agents/public.blade.php

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<input id="message" class="flex-1 border rounded p-2" placeholder="Type your message"/>
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<button id="send" class="px-4 py-2 bg-indigo-600 text-white rounded">Send</button>
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</div>
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<div class="mt-2 text-sm text-gray-500">@auth You're logged in, full credits apply. @else You have 3 trial messages before login. @endauth</div>
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</div>
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@vite(['resources/js/app.js'])
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<script>
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replyDiv.innerHTML = '<div class="inline-block bg-gray-50 dark:bg-gray-800 rounded p-2">...</div>';
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chat.appendChild(replyDiv);
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try {
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const res = await axios.post('/api/chat/{{ $agent->slug }}'+ (threadId ? ('?thread_id='+threadId) : ''), {
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message: text,
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thread_id: threadId,
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});
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threadId = res.data.thread_id;
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const url = @json(auth()->check() ? url('/api/chat/'.$agent->slug.'/send') : url('/api/chat/'.$agent->slug.'/guest'));
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const payload = @json(auth()->check()) ? {message: text, thread_id: threadId} : {message: text};
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const res = await axios.post(url + (threadId && @json(auth()->check()) ? ('?thread_id='+threadId) : ''), payload);
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if (res.data.thread_id) threadId = res.data.thread_id;
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const suffix = res.data.remaining_trial !== undefined ? ` (Trials left: ${res.data.remaining_trial})` : '';
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replyDiv.innerHTML = '<div class="inline-block bg-gray-50 dark:bg-gray-800 rounded p-2">'+
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(res.data.message || '(empty)') +'</div>';
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(res.data.message || '(empty)') + suffix +'</div>';
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} catch (e) {
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replyDiv.innerHTML = '<div class="inline-block bg-red-50 text-red-700 rounded p-2">'+ (e.response?.data?.error || 'Error') +'</div>';
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}

‎routes/api.php

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use Illuminate\Support\Facades\Route;
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use App\Http\Controllers\ChatController;
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Route::post('/chat/{agent:slug}/guest', [ChatController::class, 'guest']);
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Route::middleware('auth:sanctum')->group(function () {
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Route::post('/chat/{agent:slug}/send', [ChatController::class, 'send']);
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});

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