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