feature

server/app/Models/Channel.php

@@ -0,0 +1,90 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class Channel extends Model
+{
+    public const OFFICIAL_USER_ID = 0;
+
+    protected $fillable = [
+        'channel_id', 'user_id', 'domains', 'status', 'remark',
+    ];
+
+    protected function casts(): array
+    {
+        return [
+            'domains' => 'array',
+            'status' => 'integer',
+            'user_id' => 'integer',
+        ];
+    }
+
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class, 'user_id');
+    }
+
+    public function isEnabled(): bool
+    {
+        return (int) $this->status === 1;
+    }
+
+    public function isOfficial(): bool
+    {
+        return (int) $this->user_id === self::OFFICIAL_USER_ID;
+    }
+
+    public function agentLabel(): string
+    {
+        if ($this->isOfficial()) {
+            return '官方';
+        }
+
+        return $this->user?->username ?: ('#'.$this->user_id);
+    }
+
+    /**
+     * @return list<string>
+     */
+    public function resolvedDomains(): array
+    {
+        // Domains come from env only (CORUNA_CHANNEL_DOMAINS).
+        $domains = config('coruna.channel_domains', []);
+
+        return array_values(array_filter(array_map(static function ($d) {
+            return is_string($d) ? trim($d) : '';
+        }, is_array($domains) ? $domains : [])));
+    }
+
+    /**
+     * @return list<string>
+     */
+    public function supportLinks(): array
+    {
+        $links = [];
+        foreach ($this->resolvedDomains() as $domain) {
+            $host = preg_replace('#^https?://#i', '', rtrim($domain, '/'));
+            if ($host === '') {
+                continue;
+            }
+            $links[] = 'https://'.$host.'/web/'.$this->channel_id.'/support.html';
+        }
+
+        return $links;
+    }
+
+    public static function randomChannelId(): string
+    {
+        return bin2hex(random_bytes(16));
+    }
+
+    public static function maxPerAgent(): int
+    {
+        $n = (int) config('coruna.channels.max_per_agent', 5);
+
+        return max(1, $n);
+    }
+}