414 lines
16 KiB
PHP
414 lines
16 KiB
PHP
<?php
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namespace App\Http\Controllers;
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use App\Http\Requests\SwitchModelRequest;
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use App\Services\AIService;
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use Illuminate\Http\Request;
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use Illuminate\Support\Facades\Log;
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class AIModelController extends Controller
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{
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/**
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* AI服务
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*/
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protected $aiService;
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/**
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* 构造函数
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*/
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public function __construct()
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{
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$this->aiService = new AIService();
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}
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/**
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* 获取可用模型列表
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*/
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public function getModels()
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{
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try {
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$services = $this->aiService->getAvailableServices();
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$models = [];
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$modelConfigs = [
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'openai' => [
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['id' => 'gpt-4', 'name' => 'GPT-4', 'description' => 'OpenAI最强大的模型'],
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['id' => 'gpt-4-turbo', 'name' => 'GPT-4 Turbo', 'description' => 'GPT-4的优化版本'],
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['id' => 'gpt-3.5-turbo', 'name' => 'GPT-3.5 Turbo', 'description' => '性价比高的通用模型'],
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['id' => 'gpt-3.5-turbo-instruct', 'name' => 'GPT-3.5 Instruct', 'description' => '指令优化版本'],
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],
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'azure_openai' => [
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['id' => 'gpt-4', 'name' => 'GPT-4 (Azure)', 'description' => 'Azure托管的GPT-4'],
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['id' => 'gpt-35-turbo', 'name' => 'GPT-3.5 Turbo (Azure)', 'description' => 'Azure托管的GPT-3.5'],
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],
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'anthropic' => [
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['id' => 'claude-3-opus-20240229', 'name' => 'Claude 3 Opus', 'description' => 'Anthropic最强大的模型'],
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['id' => 'claude-3-sonnet-20240229', 'name' => 'Claude 3 Sonnet', 'description' => '平衡性能与成本'],
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['id' => 'claude-3-haiku-20240307', 'name' => 'Claude 3 Haiku', 'description' => '快速且经济的模型'],
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],
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'aliyun_qwen' => [
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['id' => 'qwen-max', 'name' => '通义千问 Max', 'description' => '阿里云最强大的模型'],
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['id' => 'qwen-plus', 'name' => '通义千问 Plus', 'description' => '高性能版本'],
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['id' => 'qwen-turbo', 'name' => '通义千问 Turbo', 'description' => '快速响应版本'],
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['id' => 'qwen-7b-chat', 'name' => '通义千问 7B', 'description' => '轻量级版本'],
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['id' => 'qwen-14b-chat', 'name' => '通义千问 14B', 'description' => '中等规模版本'],
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],
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'local' => [
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['id' => 'local-model', 'name' => '本地模型', 'description' => '本地部署的模型'],
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],
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];
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foreach ($services as $service) {
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$models[$service] = [
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'service' => $service,
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'display_name' => $this->getServiceDisplayName($service),
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'models' => $modelConfigs[$service] ?? [],
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'current_model' => config("ai.services.{$service}.model", ''),
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];
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}
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// 获取当前使用的服务
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$currentService = $this->aiService->getCurrentService();
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// 获取服务状态
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$serviceStatus = $this->aiService->getServiceStatus();
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return response()->json([
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'code' => 200,
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'data' => [
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'models' => $models,
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'current_service' => $currentService,
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'service_status' => $serviceStatus,
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'default_service' => config('ai.default'),
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],
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'message' => 'success'
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]);
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} catch (\Exception $e) {
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Log::error('获取模型列表失败: ' . $e->getMessage());
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return response()->json([
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'code' => 500,
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'message' => '获取模型列表失败: ' . $e->getMessage()
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], 500);
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}
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}
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/**
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* 切换模型
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*/
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public function switchModel(SwitchModelRequest $request)
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{
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try {
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$service = $request->input('service');
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$model = $request->input('model');
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// 验证服务是否存在
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$availableServices = $this->aiService->getAvailableServices();
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if (!in_array($service, $availableServices)) {
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return response()->json([
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'code' => 400,
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'message' => '不支持的服务: ' . $service
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], 400);
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}
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// 验证模型是否在服务中可用
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$modelConfigs = $this->getModelConfigs();
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$serviceModels = array_column($modelConfigs[$service] ?? [], 'id');
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if (!in_array($model, $serviceModels)) {
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return response()->json([
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'code' => 400,
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'message' => '服务 ' . $service . ' 不支持模型: ' . $model
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], 400);
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}
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// 切换服务
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$this->aiService->setService($service);
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// 更新配置（在实际项目中，可能需要持久化存储）
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$currentService = $this->aiService->getCurrentService();
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// 测试新模型连接
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$testResult = $this->aiService->testConnection();
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if (!$testResult['success']) {
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return response()->json([
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'code' => 503,
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'message' => '模型切换失败: ' . ($testResult['error'] ?? '连接测试失败'),
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'data' => $testResult
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], 503);
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}
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// 记录操作日志
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\App\Models\OperationLog::log([
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'module' => 'AI助手',
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'action' => '切换模型',
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'method' => 'POST',
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'path' => 'api/ai/models/switch',
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'request_data' => ['service' => $service, 'model' => $model],
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'response_data' => $testResult,
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'remark' => '切换AI模型到 ' . $service . '/' . $model,
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]);
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return response()->json([
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'code' => 200,
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'data' => [
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'service' => $currentService,
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'model' => $model,
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'test_result' => $testResult,
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'message' => '模型切换成功'
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],
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'message' => '模型切换成功'
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]);
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} catch (\Exception $e) {
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Log::error('切换模型失败: ' . $e->getMessage());
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return response()->json([
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'code' => 500,
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'message' => '切换模型失败: ' . $e->getMessage()
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], 500);
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}
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}
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/**
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* 获取模型配置
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*/
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private function getModelConfigs(): array
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{
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return [
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'openai' => [
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['id' => 'gpt-4', 'name' => 'GPT-4', 'description' => 'OpenAI最强大的模型'],
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['id' => 'gpt-4-turbo', 'name' => 'GPT-4 Turbo', 'description' => 'GPT-4的优化版本'],
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['id' => 'gpt-3.5-turbo', 'name' => 'GPT-3.5 Turbo', 'description' => '性价比高的通用模型'],
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['id' => 'gpt-3.5-turbo-instruct', 'name' => 'GPT-3.5 Instruct', 'description' => '指令优化版本'],
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],
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'azure_openai' => [
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['id' => 'gpt-4', 'name' => 'GPT-4 (Azure)', 'description' => 'Azure托管的GPT-4'],
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['id' => 'gpt-35-turbo', 'name' => 'GPT-3.5 Turbo (Azure)', 'description' => 'Azure托管的GPT-3.5'],
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],
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'anthropic' => [
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['id' => 'claude-3-opus-20240229', 'name' => 'Claude 3 Opus', 'description' => 'Anthropic最强大的模型'],
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['id' => 'claude-3-sonnet-20240229', 'name' => 'Claude 3 Sonnet', 'description' => '平衡性能与成本'],
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['id' => 'claude-3-haiku-20240307', 'name' => 'Claude 3 Haiku', 'description' => '快速且经济的模型'],
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],
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'aliyun_qwen' => [
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['id' => 'qwen-max', 'name' => '通义千问 Max', 'description' => '阿里云最强大的模型'],
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['id' => 'qwen-plus', 'name' => '通义千问 Plus', 'description' => '高性能版本'],
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['id' => 'qwen-turbo', 'name' => '通义千问 Turbo', 'description' => '快速响应版本'],
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['id' => 'qwen-7b-chat', 'name' => '通义千问 7B', 'description' => '轻量级版本'],
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['id' => 'qwen-14b-chat', 'name' => '通义千问 14B', 'description' => '中等规模版本'],
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],
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'local' => [
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['id' => 'local-model', 'name' => '本地模型', 'description' => '本地部署的模型'],
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],
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];
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}
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/**
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* 获取服务显示名称
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*/
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private function getServiceDisplayName(string $service): string
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{
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$names = [
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'openai' => 'OpenAI',
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'azure_openai' => 'Azure OpenAI',
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'anthropic' => 'Anthropic Claude',
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'aliyun_qwen' => '阿里云通义千问',
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'local' => '本地模型',
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];
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return $names[$service] ?? $service;
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}
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/**
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* 获取当前模型信息
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*/
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public function getCurrentModel()
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{
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try {
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$currentService = $this->aiService->getCurrentService();
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$serviceConfig = config("ai.services.{$currentService}", []);
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$modelInfo = [
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'service' => $currentService,
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'service_display_name' => $this->getServiceDisplayName($currentService),
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'model' => $serviceConfig['model'] ?? '',
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'max_tokens' => $serviceConfig['max_tokens'] ?? 2000,
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'temperature' => $serviceConfig['temperature'] ?? 0.7,
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'timeout' => $serviceConfig['timeout'] ?? 30,
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];
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// 获取服务状态
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$testResult = $this->aiService->testConnection();
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$modelInfo['status'] = $testResult['success'] ? 'online' : 'offline';
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$modelInfo['test_message'] = $testResult['message'];
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return response()->json([
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'code' => 200,
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'data' => $modelInfo,
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'message' => 'success'
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]);
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} catch (\Exception $e) {
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Log::error('获取当前模型失败: ' . $e->getMessage());
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return response()->json([
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'code' => 500,
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'message' => '获取当前模型失败: ' . $e->getMessage()
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], 500);
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}
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}
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/**
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* 测试模型连接
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*/
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public function testModel(Request $request)
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{
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try {
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$service = $request->input('service', $this->aiService->getCurrentService());
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$model = $request->input('model', '');
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// 如果指定了服务，切换到该服务
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if ($service && $service !== $this->aiService->getCurrentService()) {
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$availableServices = $this->aiService->getAvailableServices();
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if (in_array($service, $availableServices)) {
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$this->aiService->setService($service);
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}
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}
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// 如果指定了模型，更新配置（在实际项目中可能需要持久化）
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if ($model) {
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// 这里可以添加更新模型配置的逻辑
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}
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$testResult = $this->aiService->testConnection();
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return response()->json([
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'code' => 200,
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'data' => $testResult,
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'message' => $testResult['success'] ? '连接测试成功' : '连接测试失败'
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]);
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} catch (\Exception $e) {
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Log::error('测试模型连接失败: ' . $e->getMessage());
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return response()->json([
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'code' => 500,
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'message' => '测试模型连接失败: ' . $e->getMessage()
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], 500);
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}
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}
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/**
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* 获取模型使用统计
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*/
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public function getModelStatistics(Request $request)
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{
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try {
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$period = $request->input('period', 'day'); // day, week, month
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// 这里可以添加从数据库获取模型使用统计的逻辑
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// 暂时返回模拟数据
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$statistics = [
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'total_requests' => 1250,
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'successful_requests' => 1200,
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'failed_requests' => 50,
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'total_tokens' => 1250000,
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'avg_response_time' => '1.2秒',
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'popular_models' => [
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['model' => 'gpt-3.5-turbo', 'count' => 800, 'percentage' => 64],
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['model' => 'qwen-max', 'count' => 300, 'percentage' => 24],
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['model' => 'claude-3-haiku', 'count' => 150, 'percentage' => 12],
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],
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'usage_by_hour' => $this->generateHourlyUsage(),
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];
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return response()->json([
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'code' => 200,
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'data' => $statistics,
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'message' => 'success'
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]);
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} catch (\Exception $e) {
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Log::error('获取模型统计失败: ' . $e->getMessage());
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return response()->json([
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'code' => 500,
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'message' => '获取模型统计失败: ' . $e->getMessage()
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], 500);
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}
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}
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/**
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* 生成小时使用数据
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*/
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private function generateHourlyUsage(): array
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{
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$usage = [];
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for ($i = 0; $i < 24; $i++) {
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$usage[] = [
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'hour' => sprintf('%02d:00', $i),
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'requests' => rand(10, 100),
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'tokens' => rand(1000, 10000),
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];
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}
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return $usage;
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}
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/**
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* 获取模型推荐
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*/
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public function getModelRecommendations()
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{
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try {
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$currentService = $this->aiService->getCurrentService();
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$serviceConfig = config("ai.services.{$currentService}", []);
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$currentModel = $serviceConfig['model'] ?? '';
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$recommendations = [
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'current_model' => $currentModel,
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'recommendations' => [
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[
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'model' => 'gpt-3.5-turbo',
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'service' => 'openai',
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'reason' => '性价比高，响应速度快，适合日常对话',
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'cost_per_1k_tokens' => 0.002,
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'max_tokens' => 4096,
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],
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[
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'model' => 'qwen-max',
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'service' => 'aliyun_qwen',
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'reason' => '中文理解能力强，适合中文场景',
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'cost_per_1k_tokens' => 0.004,
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'max_tokens' => 6000,
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],
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[
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'model' => 'claude-3-haiku',
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'service' => 'anthropic',
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'reason' => '快速且经济，适合简单任务',
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'cost_per_1k_tokens' => 0.00025,
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'max_tokens' => 4096,
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],
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],
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'selection_criteria' => [
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'对于简单对话和日常任务，推荐使用 gpt-3.5-turbo',
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'对于中文内容和复杂分析，推荐使用 qwen-max',
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'对于需要快速响应的简单任务，推荐使用 claude-3-haiku',
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'对于需要最高质量的复杂任务，考虑使用 gpt-4 或 claude-3-opus',
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],
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];
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return response()->json([
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'code' => 200,
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'data' => $recommendations,
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'message' => 'success'
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]);
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} catch (\Exception $e) {
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Log::error('获取模型推荐失败: ' . $e->getMessage());
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return response()->json([
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'code' => 500,
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'message' => '获取模型推荐失败: ' . $e->getMessage()
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], 500);
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}
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}
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} |