PreRelease v1

lib/services/storage.service.ts

@@ -0,0 +1,69 @@
+// src/lib/services/storage.service.ts
+
+export class StorageService {
+  // Validate file type
+  static isValidFileType(file: File): boolean {
+    const allowedTypes = [
+      "application/pdf",
+      "image/jpeg",
+      "image/jpg",
+      "image/png",
+      "image/webp",
+    ];
+
+    return allowedTypes.includes(file.type);
+  }
+
+  // Validate file size (max 10MB)
+  static isValidFileSize(file: File): boolean {
+    const maxSize = 10 * 1024 * 1024; // 10MB
+    return file.size <= maxSize;
+  }
+
+  // Extract filename from UploadThing URL
+  static extractFileName(url: string): string {
+    try {
+      const urlObj = new URL(url);
+      const path = urlObj.pathname;
+      return path.split("/").pop() || "unknown";
+    } catch {
+      return "unknown";
+    }
+  }
+
+  // Extract file key from UploadThing URL for deletion
+  // URL format: https://utfs.io/f/{fileKey}
+  static extractFileKey(url: string): string | null {
+    try {
+      const urlObj = new URL(url);
+      const pathParts = urlObj.pathname.split("/");
+      const fileKey = pathParts[pathParts.length - 1];
+      return fileKey || null;
+    } catch (error) {
+      console.error("Failed to extract file key from URL:", error);
+      return null;
+    }
+  }
+
+  // Check if URL is from UploadThing
+  static isUploadThingUrl(url: string): boolean {
+    try {
+      const urlObj = new URL(url);
+      return (
+        urlObj.hostname.includes("utfs.io") ||
+        urlObj.hostname.includes("uploadthing")
+      );
+    } catch {
+      return false;
+    }
+  }
+
+  // Format file size
+  static formatFileSize(bytes: number): string {
+    if (bytes === 0) return "0 Bytes";
+    const k = 1024;
+    const sizes = ["Bytes", "KB", "MB", "GB"];
+    const i = Math.floor(Math.log(bytes) / Math.log(k));
+    return Math.round((bytes / Math.pow(k, i)) * 100) / 100 + " " + sizes[i];
+  }
+}