104 lines
2.9 KiB
TypeScript
104 lines
2.9 KiB
TypeScript
// =====================================================
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// 個人頭像上傳 API
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// =====================================================
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import { NextRequest, NextResponse } from 'next/server';
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import { writeFile, mkdir } from 'fs/promises';
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import { join } from 'path';
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import { UserService } from '@/lib/services/database-service';
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import { generateUniqueFileName, isValidImageType, isValidImageSize } from '@/lib/image-utils';
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import sharp from 'sharp';
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export async function POST(request: NextRequest) {
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try {
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const formData = await request.formData();
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const file = formData.get('avatar') as File;
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const userId = formData.get('userId') as string;
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if (!file) {
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return NextResponse.json(
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{ success: false, error: '請選擇要上傳的圖片' },
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{ status: 400 }
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);
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}
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if (!userId) {
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return NextResponse.json(
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{ success: false, error: '用戶ID不能為空' },
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{ status: 400 }
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);
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}
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// 驗證文件類型
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if (!isValidImageType(file)) {
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return NextResponse.json(
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{ success: false, error: '只支援 JPEG、PNG、WebP 格式的圖片' },
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{ status: 400 }
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);
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}
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// 驗證文件大小（限制 5MB）
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if (!isValidImageSize(file, 5)) {
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return NextResponse.json(
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{ success: false, error: '圖片大小不能超過 5MB' },
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{ status: 400 }
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);
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}
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// 創建上傳目錄
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const uploadDir = join(process.cwd(), 'public', 'uploads', 'avatars');
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await mkdir(uploadDir, { recursive: true });
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// 生成唯一文件名
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const fileName = generateUniqueFileName(file.name, userId);
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const filePath = join(uploadDir, fileName);
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// 讀取文件緩衝區
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const bytes = await file.arrayBuffer();
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const buffer = Buffer.from(bytes);
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// 使用 Sharp 優化圖片
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const optimizedBuffer = await sharp(buffer)
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.resize(200, 200, {
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fit: 'cover',
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position: 'center'
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})
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.jpeg({ quality: 85 })
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.toBuffer();
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// 保存優化後的圖片
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await writeFile(filePath, optimizedBuffer);
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// 生成相對路徑（自動適應不同環境）
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const imageUrl = `/uploads/avatars/${fileName}`;
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// 更新用戶頭像
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const userService = new UserService();
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await userService.update(userId, { avatar: imageUrl });
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console.log(`✅ 用戶 ${userId} 頭像上傳成功: ${imageUrl}`);
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return NextResponse.json({
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success: true,
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message: '頭像上傳成功',
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data: {
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imageUrl,
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fileName,
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fileSize: optimizedBuffer.length,
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originalSize: file.size
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}
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});
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} catch (error) {
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console.error('頭像上傳失敗:', error);
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return NextResponse.json(
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{
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success: false,
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error: '頭像上傳失敗',
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details: error instanceof Error ? error.message : '未知錯誤'
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},
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{ status: 500 }
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);
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}
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}
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