File size: 3,672 Bytes
d988ae4 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 | import { Injectable, Logger, NotFoundException } from '@nestjs/common';
import { FilesystemService } from '../common/filesystem/filesystem.service';
import { ClipboardService } from '../clipboard/clipboard.service';
import { v4 as uuidv4 } from 'uuid';
export interface FileEntry {
id: string;
filename: string;
mimetype: string;
size: number;
storageKey: string;
createdAt: string;
createdBy: string;
}
@Injectable()
export class FileService {
private readonly logger = new Logger(FileService.name);
constructor(
private readonly filesystemService: FilesystemService,
private readonly clipboardService: ClipboardService,
) {}
async uploadFile(
roomCode: string,
file: Express.Multer.File,
clientId: string,
): Promise<FileEntry> {
// Check if clipboard exists
const clipboard = await this.clipboardService.getClipboard(roomCode);
if (!clipboard) {
throw new NotFoundException(`Clipboard ${roomCode} not found`);
}
// Generate unique ID for file
const fileId = uuidv4();
const fileName = `${fileId}-${file.originalname}`;
// Upload file to filesystem
await this.filesystemService.uploadFile(file, roomCode, fileName);
// Create file entry
const fileEntry: FileEntry = {
id: fileId,
filename: file.originalname,
mimetype: file.mimetype,
size: file.size,
storageKey: `${roomCode}/${fileName}`,
createdAt: new Date().toISOString(),
createdBy: clientId,
};
// Add file to clipboard
if (!clipboard.files) {
clipboard.files = [];
}
clipboard.files.unshift(fileEntry);
clipboard.lastActivity = new Date().toISOString();
// Save updated clipboard
await this.clipboardService.saveClipboard(roomCode, clipboard);
return fileEntry;
}
async getFileUrl(roomCode: string, fileId: string): Promise<string> {
const fileData = await this.getFileData(roomCode, fileId);
return fileData.url;
}
async getFileData(roomCode: string, fileId: string): Promise<{ url: string; filename: string; fileEntry: FileEntry }> {
const clipboard = await this.clipboardService.getClipboard(roomCode);
if (!clipboard || !clipboard.files) {
throw new NotFoundException(`Clipboard ${roomCode} not found`);
}
const fileEntry = clipboard.files.find(file => file.id === fileId);
if (!fileEntry) {
throw new NotFoundException(`File ${fileId} not found`);
}
// Return the URL to the file controller with the correct API path
const [roomCodeFromPath, fileName] = fileEntry.storageKey.split('/');
return {
url: `/api/files/${roomCodeFromPath}/${fileName}`,
filename: fileEntry.filename,
fileEntry
};
}
async deleteFile(roomCode: string, fileId: string): Promise<boolean> {
const clipboard = await this.clipboardService.getClipboard(roomCode);
if (!clipboard || !clipboard.files) {
throw new NotFoundException(`Clipboard ${roomCode} not found`);
}
const fileIndex = clipboard.files.findIndex(file => file.id === fileId);
if (fileIndex === -1) {
throw new NotFoundException(`File ${fileId} not found`);
}
const fileEntry = clipboard.files[fileIndex];
// Delete file from filesystem
const [roomCodeFromPath, fileName] = fileEntry.storageKey.split('/');
await this.filesystemService.deleteFile(roomCodeFromPath, fileName);
// Remove file entry from clipboard
clipboard.files.splice(fileIndex, 1);
clipboard.lastActivity = new Date().toISOString();
// Save updated clipboard
await this.clipboardService.saveClipboard(roomCode, clipboard);
return true;
}
}
|