初始化仓库及v1.0.0提交

2026-05-05 03:21:58 +08:00
commit 813bb02672
67 changed files with 5263 additions and 0 deletions
--- a/app/Controllers/ChatController.php
+++ b/app/Controllers/ChatController.php
@@ -0,0 +1,117 @@
+<?php
+
+namespace App\Controllers;
+
+use App\Models\Config;
+use App\Services\AIService;
+
+class ChatController
+{
+    public static function completions(): void
+    {
+        $input = json_decode(file_get_contents('php://input'), true);
+
+        $provider = $input['provider'] ?? '';
+        $model = $input['model'] ?? '';
+        $messages = $input['messages'] ?? [];
+        $stream = $input['stream'] ?? true;
+        $systemPrompt = $input['systemPrompt'] ?? '';
+        $thinkingMode = $input['thinkingMode'] ?? false;
+
+        if (!$provider || !$model || !$messages) {
+            http_response_code(400);
+            echo json_encode(['success' => false, 'message' => '缺少必要参数（provider、model、messages）']);
+            return;
+        }
+
+        if (!is_array($messages) || empty($messages)) {
+            http_response_code(400);
+            echo json_encode(['success' => false, 'message' => 'messages 必须是非空数组']);
+            return;
+        }
+
+        // 获取供应商配置
+        $configRow = Config::getByKey('providers');
+        if (!$configRow) {
+            http_response_code(500);
+            echo json_encode(['success' => false, 'message' => '未找到供应商配置']);
+            return;
+        }
+
+        $providers = json_decode($configRow['config_value'], true);
+        if (!is_array($providers)) {
+            http_response_code(500);
+            echo json_encode(['success' => false, 'message' => '供应商配置格式错误']);
+            return;
+        }
+
+        $providerKey = $provider;
+        if (!isset($providers[$providerKey])) {
+            http_response_code(400);
+            echo json_encode(['success' => false, 'message' => '供应商不存在: ' . $providerKey]);
+            return;
+        }
+
+        $providerConfig = $providers[$providerKey];
+        if (empty($providerConfig['enabled'])) {
+            http_response_code(400);
+            echo json_encode(['success' => false, 'message' => '供应商已禁用: ' . $providerKey]);
+            return;
+        }
+
+        $models = $providerConfig['models'] ?? [];
+        if (!empty($models) && !in_array($model, $models)) {
+            http_response_code(400);
+            echo json_encode(['success' => false, 'message' => '模型不在供应商支持列表中: ' . $model]);
+            return;
+        }
+
+        // 非流式模式暂不支持
+        if (!$stream) {
+            http_response_code(400);
+            echo json_encode(['success' => false, 'message' => '当前仅支持流式响应']);
+            return;
+        }
+
+        // 设置 SSE 响应头
+        header('Content-Type: text/event-stream');
+        header('Cache-Control: no-cache');
+        header('Connection: keep-alive');
+        header('X-Accel-Buffering: no');
+
+        // 关闭输出缓冲
+        while (ob_get_level()) {
+            ob_end_flush();
+        }
+
+        $options = [
+            'provider' => $providerConfig,
+            'systemPrompt' => $systemPrompt,
+            'thinkingMode' => (bool) $thinkingMode
+        ];
+
+        try {
+            AIService::streamChat($providerKey, $model, $messages, $options, function ($chunk, $type = 'content') {
+                if ($type === 'thinking') {
+                    self::sendSSE(['thinking' => $chunk]);
+                } else {
+                    self::sendSSE(['content' => $chunk]);
+                }
+            });
+
+            self::sendSSE('[DONE]');
+        } catch (\Throwable $e) {
+            self::sendSSE(['type' => 'error', 'message' => $e->getMessage()]);
+        }
+    }
+
+    private static function sendSSE($data): void
+    {
+        if (is_string($data)) {
+            echo "data: " . $data . "\n\n";
+        } else {
+            echo "data: " . json_encode($data, JSON_UNESCAPED_UNICODE) . "\n\n";
+        }
+        flush();
+    }
+}