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server: return url if file alreay exist

This commit is contained in:
fantasticit 2022-06-04 19:03:58 +08:00
parent 1f94d0e465
commit 757eac171a
2 changed files with 22 additions and 17 deletions
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35
packages/server/src/helpers/file.helper/local.client.ts
View File

@ -11,7 +11,7 @@ const pipeWriteStream = (filepath, writeStream): Promise<void> => {
return new Promise((resolve) => { return new Promise((resolve) => {
const readStream = fs.createReadStream(filepath); const readStream = fs.createReadStream(filepath);
readStream.on('end', () => { readStream.on('end', () => {
fs.removeSync(filepath); fs.unlinkSync(filepath);
resolve(); resolve();
}); });
readStream.pipe(writeStream); readStream.pipe(writeStream);
@ -73,14 +73,21 @@ export class LocalOssClient extends BaseOssClient {
* @param file * @param file
* @param query * @param query
*/ */
async uploadChunk(file: Express.Multer.File, query: FileQuery): Promise<void> { async uploadChunk(file: Express.Multer.File, query: FileQuery): Promise<void | string> {
const { md5, chunkIndex } = query; const { filename, md5, chunkIndex } = query;
if (!('chunkIndex' in query)) { if (!('chunkIndex' in query)) {
throw new Error('请指定 chunkIndex'); throw new Error('请指定 chunkIndex');
} }
const { absolute } = this.storeFilePath(md5); const { absolute, relative } = this.storeFilePath(md5);
const absoluteFilepath = path.join(absolute, filename);
if (fs.existsSync(absoluteFilepath)) {
const relativeFilePath = path.join(relative, filename);
return this.serveFilePath(relativeFilePath);
}
const chunksDir = path.join(absolute, 'chunks'); const chunksDir = path.join(absolute, 'chunks');
fs.ensureDirSync(chunksDir); fs.ensureDirSync(chunksDir);
fs.writeFileSync(path.join(chunksDir, '' + chunkIndex), file.buffer); fs.writeFileSync(path.join(chunksDir, '' + chunkIndex), file.buffer);
@ -104,19 +111,17 @@ export class LocalOssClient extends BaseOssClient {
await Promise.all( await Promise.all(
chunks.map((chunk, index) => { chunks.map((chunk, index) => {
const writeStream = fs.createWriteStream(absoluteFilepath, { return pipeWriteStream(
start: index * FILE_CHUNK_SIZE, path.join(chunksDir, chunk),
}); fs.createWriteStream(absoluteFilepath, {
start: index * FILE_CHUNK_SIZE,
if (index === chunks.length - 1) { end: (index + 1) * FILE_CHUNK_SIZE,
writeStream.on('finish', () => { })
fs.removeSync(chunksDir); );
});
}
pipeWriteStream(path.join(chunksDir, chunk), writeStream);
}) })
); );
fs.removeSync(chunksDir);
} }
return this.serveFilePath(relativeFilePath); return this.serveFilePath(relativeFilePath);

4
packages/server/src/helpers/file.helper/oss.client.ts
View File

@ -8,7 +8,7 @@ export type FileQuery = {
export abstract class OssClient { export abstract class OssClient {
abstract uploadFile(file: Express.Multer.File, query: FileQuery): Promise<string>; abstract uploadFile(file: Express.Multer.File, query: FileQuery): Promise<string>;
abstract uploadChunk(file: Express.Multer.File, query: FileQuery): Promise<void>; abstract uploadChunk(file: Express.Multer.File, query: FileQuery): Promise<void | string>;
abstract mergeChunk(query: FileQuery): Promise<string>; abstract mergeChunk(query: FileQuery): Promise<string>;
} }
@ -25,7 +25,7 @@ export class BaseOssClient implements OssClient {
} }
// eslint-disable-next-line @typescript-eslint/no-unused-vars // eslint-disable-next-line @typescript-eslint/no-unused-vars
uploadChunk(file: Express.Multer.File, query: FileQuery): Promise<void> { uploadChunk(file: Express.Multer.File, query: FileQuery): Promise<void | string> {
throw new Error('Method not implemented.'); throw new Error('Method not implemented.');
} }