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app/lib/r2-storage.ts

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+import { S3Client, PutObjectCommand, DeleteObjectCommand, GetObjectCommand } from "@aws-sdk/client-s3";
+
+// R2 configuration
+const R2_ACCOUNT_ID = process.env.R2_ACCOUNT_ID || "";
+const R2_ACCESS_KEY_ID = process.env.R2_ACCESS_KEY_ID || "";
+const R2_SECRET_ACCESS_KEY = process.env.R2_SECRET_ACCESS_KEY || "";
+const R2_BUCKET_NAME = process.env.R2_BUCKET_NAME || "";
+const R2_PUBLIC_URL = process.env.R2_PUBLIC_URL || "";
+
+// S3 client configuration for Cloudflare R2
+const s3Client = new S3Client({
+  region: "auto",
+  endpoint: `https://${R2_ACCOUNT_ID}.eu.r2.cloudflarestorage.com`,
+  credentials: {
+    accessKeyId: R2_ACCESS_KEY_ID,
+    secretAccessKey: R2_SECRET_ACCESS_KEY,
+  },
+});
+
+export interface UploadOptions {
+  buffer: Buffer;
+  fileName: string;
+  contentType: string;
+}
+
+/**
+ * Upload a file to R2
+ */
+export async function uploadToR2(options: UploadOptions): Promise<string> {
+  const { buffer, fileName, contentType } = options;
+
+  try {
+    const command = new PutObjectCommand({
+      Bucket: R2_BUCKET_NAME,
+      Key: fileName,
+      Body: buffer,
+      ContentType: contentType,
+    });
+
+    await s3Client.send(command);
+
+    // Return the public URL
+    return `${R2_PUBLIC_URL}/${fileName}`;
+  } catch (error) {
+    console.error("R2 upload error:", error);
+    throw new Error(`R2'ye yükleme başarısız: ${error}`);
+  }
+}
+
+/**
+ * Delete a file from R2
+ */
+export async function deleteFromR2(fileName: string): Promise<void> {
+  try {
+    const command = new DeleteObjectCommand({
+      Bucket: R2_BUCKET_NAME,
+      Key: fileName,
+    });
+
+    await s3Client.send(command);
+  } catch (error) {
+    console.error("R2 delete error:", error);
+    throw new Error(`R2'den silme başarısız: ${error}`);
+  }
+}
+
+/**
+ * Get content type from file extension
+ */
+export function getContentType(format: string): string {
+  const contentTypeMap: Record<string, string> = {
+    jpg: "image/jpeg",
+    jpeg: "image/jpeg",
+    png: "image/png",
+    gif: "image/gif",
+    webp: "image/webp",
+    avif: "image/avif",
+  };
+
+  return contentTypeMap[format] || "application/octet-stream";
+}