77 lines
2.2 KiB
PHP
77 lines
2.2 KiB
PHP
<?php
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namespace app\service;
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use app\model\AiModel;
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use think\exception\HttpResponseException;
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class GuestAccessService
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{
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public const MODEL_NAME = 'qwen3.6';
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public static function isGuest(array $user): bool
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{
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return !empty($user['is_guest']);
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}
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public static function model(): AiModel
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{
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$models = AiModel::where('enabled', 1)->order('sort_order')->order('id')->select();
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foreach ($models as $model) {
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$identity = strtolower(trim((string) ($model->model_id ?: $model->name)));
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$name = strtolower(trim((string) $model->name));
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if (str_starts_with($identity, self::MODEL_NAME) || str_starts_with($name, self::MODEL_NAME)) {
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return $model;
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}
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}
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self::abort('游客专用模型 qwen3.6 尚未启用，请联系管理员', 503);
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}
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public static function modelId(): int
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{
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return (int) self::model()->id;
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}
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public static function assertModelAllowed(array $user, ?int $modelId): int
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{
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if (!self::isGuest($user)) {
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return $modelId ?: 0;
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}
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$guestModelId = self::modelId();
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if ($modelId && $modelId !== $guestModelId) {
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self::abort('游客仅可使用 qwen3.6 模型，登录后可使用全部模型', 403);
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}
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return $guestModelId;
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}
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public static function assertTextChatOnly(array $user, array $attachments, string $agentId, string $imageTool, bool $voiceMode): void
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{
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if (!self::isGuest($user)) {
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return;
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}
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if ($attachments || $agentId !== '' || $imageTool !== '' || $voiceMode) {
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self::abort('游客仅支持 qwen3.6 文本对话，登录后可使用全部模型和工具', 403);
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}
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}
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public static function assertAccountRequired(array $user, string $feature): void
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{
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if (self::isGuest($user)) {
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self::abort("游客不能使用{$feature}，请先登录", 403);
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}
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}
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private static function abort(string $message, int $httpCode): never
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{
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throw new HttpResponseException(json([
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'code' => 1,
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'message' => $message,
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'data' => null,
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], $httpCode));
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}
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}
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