Initial Ladill Hosting app with Gitea deploy pipeline.

Shared web hosting extracted from the platform monolith, with CI deploy to /var/www/ladill-hosting matching Bird/Domains/Email. Co-authored-by: Cursor <cursoragent@cursor.com>
2026-06-06 16:24:20 +00:00
commit e251a4cf60
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+<?php
+
+namespace App\Services\Afia;
+
+use Illuminate\Support\Facades\Http;
+use RuntimeException;
+
+/**
+ * Afia for Ladill Email — an AI assistant scoped to buying & managing mailboxes
+ * and email domains. Self-contained: builds an email-specific system prompt +
+ * the user's live context and calls the configured LLM (OpenAI or Anthropic).
+ */
+class AfiaService
+{
+    public function enabled(): bool
+    {
+        return (bool) config('afia.enabled', true) && (string) config('afia.api_key', '') !== '';
+    }
+
+    /**
+     * @param  array<int,array{role:string,text:string}>  $history
+     * @param  array<string,mixed>  $context
+     */
+    public function chat(string $message, array $history, array $context): string
+    {
+        if (! $this->enabled()) {
+            throw new RuntimeException('Afia is not configured.');
+        }
+
+        $provider = (string) config('afia.provider', 'openai');
+        $model = (string) config('afia.model', 'gpt-4o-mini');
+        $apiKey = (string) config('afia.api_key');
+
+        $messages = [['role' => 'system', 'content' => $this->systemPrompt($context)]];
+        foreach (array_slice($history, -8) as $turn) {
+            $role = ($turn['role'] ?? 'user') === 'assistant' ? 'assistant' : 'user';
+            $text = trim((string) ($turn['text'] ?? ''));
+            if ($text !== '') {
+                $messages[] = ['role' => $role, 'content' => $text];
+            }
+        }
+        $messages[] = ['role' => 'user', 'content' => $message];
+
+        return $provider === 'anthropic'
+            ? $this->viaAnthropic($model, $apiKey, $messages)
+            : $this->viaOpenAi($model, $apiKey, $messages);
+    }
+
+    private function viaOpenAi(string $model, string $apiKey, array $messages): string
+    {
+        $res = Http::withToken($apiKey)->acceptJson()->timeout(45)
+            ->post('https://api.openai.com/v1/chat/completions', [
+                'model' => $model,
+                'temperature' => 0.3,
+                'max_tokens' => 600,
+                'messages' => $messages,
+            ]);
+
+        if ($res->failed()) {
+            throw new RuntimeException('OpenAI request failed: '.$res->status());
+        }
+
+        return trim((string) $res->json('choices.0.message.content', ''));
+    }
+
+    private function viaAnthropic(string $model, string $apiKey, array $messages): string
+    {
+        $system = $messages[0]['content'];
+        $turns = array_values(array_filter($messages, fn ($m) => $m['role'] !== 'system'));
+
+        $res = Http::withHeaders([
+            'x-api-key' => $apiKey,
+            'anthropic-version' => '2023-06-01',
+        ])->acceptJson()->timeout(45)->post('https://api.anthropic.com/v1/messages', [
+            'model' => $model,
+            'max_tokens' => 600,
+            'system' => $system,
+            'messages' => array_map(fn ($m) => ['role' => $m['role'], 'content' => $m['content']], $turns),
+        ]);
+
+        if ($res->failed()) {
+            throw new RuntimeException('Anthropic request failed: '.$res->status());
+        }
+
+        return trim((string) $res->json('content.0.text', ''));
+    }
+
+    /** @param array<string,mixed> $context */
+    private function systemPrompt(array $context): string
+    {
+        $ctx = collect($context)->map(fn ($v, $k) => "- {$k}: {$v}")->implode("\n");
+
+        return <<<PROMPT
+        You are Afia, the assistant inside Ladill Email — Ladill's mailbox product (email.ladill.com).
+        Help the user set up email domains, create and manage mailboxes, and understand billing. Be concise,
+        friendly, and actionable: give short step-by-step answers and point to the relevant section by name.
+
+        What Ladill Email does and where things live:
+        - Domains: add a domain you want email on, then verify it by adding the shown DNS records (MX, SPF,
+          DKIM, DMARC). Mailboxes can only be created on a verified domain.
+        - Mailboxes: create a mailbox (address + display name + password + quota) on a verified domain. The
+          first mailbox is free; extra mailboxes are billed monthly from your Ladill wallet. Manage a mailbox to
+          reset its password or see IMAP/SMTP connection settings.
+        - Webmail: read & send from a mailbox at mail.ladill.com (Open Ladill Mail).
+        - Account: Billing (wallet balance, add funds, monthly mailbox subscriptions), Team (invite teammates to
+          co-manage), Settings (default quota, notifications), Developers (API tokens for the Email API).
+
+        Connection settings: IMAP host mail.<domain> port 993 (SSL); SMTP host mail.<domain> port 587
+        (STARTTLS); username is the full email address.
+
+        Facts: Mail is delivered by Ladill's mail servers. Prices show in GHS. Login/identity is via the Ladill
+        account (SSO). DNS changes can take time to propagate, so verification may not be instant.
+
+        Rules: Only answer questions about Ladill Email — domains for email, DNS verification, mailboxes, webmail,
+        IMAP/SMTP setup, team, and billing for mailboxes. If asked about unrelated topics, briefly redirect.
+        Never invent passwords, DNS values, or prices — tell the user where to find them. If something needs a
+        verified domain or a funded wallet, say so.
+
+        Current user context:
+        {$ctx}
+        PROMPT;
+    }
+}