egirlskey/packages/backend/src/core/InternalStorageService.ts

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import * as fs from 'node:fs';
import * as Path from 'node:path';
import { fileURLToPath } from 'node:url';
import { dirname } from 'node:path';
import { Inject, Injectable } from '@nestjs/common';
import { DI } from '@/di-symbols.js';
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import type { Config } from '@/config.js';
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import { bindThis } from '@/decorators.js';
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const _filename = fileURLToPath(import.meta.url);
const _dirname = dirname(_filename);
const path = Path.resolve(_dirname, '../../../../files');
@Injectable()
export class InternalStorageService {
constructor(
@Inject(DI.config)
private config: Config,
) {
}
@bindThis
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public resolvePath(key: string) {
return Path.resolve(path, key);
}
@bindThis
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public read(key: string) {
return fs.createReadStream(this.resolvePath(key));
}
@bindThis
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public saveFromPath(key: string, srcPath: string) {
fs.mkdirSync(path, { recursive: true });
fs.copyFileSync(srcPath, this.resolvePath(key));
return `${this.config.url}/files/${key}`;
}
@bindThis
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public saveFromBuffer(key: string, data: Buffer) {
fs.mkdirSync(path, { recursive: true });
fs.writeFileSync(this.resolvePath(key), data);
return `${this.config.url}/files/${key}`;
}
@bindThis
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public del(key: string) {
fs.unlink(this.resolvePath(key), () => {});
}
}