79 lines
2.3 KiB
TypeScript
79 lines
2.3 KiB
TypeScript
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import { NextResponse } from "next/server";
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import { createSupabaseRouteClient } from "@/lib/supabase/server";
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export const dynamic = "force-dynamic";
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export async function GET(request: Request) {
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const supabase = await createSupabaseRouteClient();
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const {
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data: { user },
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error: authError,
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} = await supabase.auth.getUser();
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if (authError || !user) {
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return NextResponse.json({ error: "未登录" }, { status: 401 });
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}
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const { searchParams } = new URL(request.url);
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const assetId = searchParams.get("assetId");
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if (!assetId) {
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return NextResponse.json({ error: "缺少 assetId" }, { status: 400 });
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}
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// 获取资源信息
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const { data: asset, error: assetError } = await supabase
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.from("media_assets")
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.select("*")
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.eq("id", assetId)
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.single();
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if (assetError || !asset) {
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return NextResponse.json({ error: "资源不存在" }, { status: 404 });
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}
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// 对于图片，添加高质量参数以获得更好的显示效果
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// Supabase Storage 支持通过 URL 参数控制图片质量和尺寸
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const isImage = asset.mime_type?.startsWith("image/");
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let signedUrl: string;
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if (isImage) {
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// 使用 createSignedUrl 并添加高质量参数
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// 注意：transform 参数需要在签名时指定
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const { data: signedUrlData, error: signError } = await supabase.storage
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.from(asset.bucket)
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.createSignedUrl(asset.storage_path, 60 * 60, {
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// 添加转换参数以获得高质量图片
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transform: {
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quality: 95, // 高质量
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format: "origin", // 保持原始格式
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},
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});
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if (signError || !signedUrlData) {
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return NextResponse.json({ error: "生成签名 URL 失败" }, { status: 500 });
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}
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signedUrl = signedUrlData.signedUrl;
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} else {
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// 非图片文件，直接生成签名 URL
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const { data: signedUrlData, error: signError } = await supabase.storage
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.from(asset.bucket)
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.createSignedUrl(asset.storage_path, 60 * 60);
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if (signError || !signedUrlData) {
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return NextResponse.json({ error: "生成签名 URL 失败" }, { status: 500 });
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}
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signedUrl = signedUrlData.signedUrl;
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}
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return NextResponse.json({
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signedUrl,
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asset: {
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id: asset.id,
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file_name: asset.file_name,
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mime_type: asset.mime_type,
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file_size: asset.file_size,
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},
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});
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}
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