From bbb49457f9fb5d46402e913c92ebf77722cad6ff Mon Sep 17 00:00:00 2001
From: syuilo <Syuilotan@yahoo.co.jp>
Date: Sun, 4 Dec 2022 15:03:09 +0900
Subject: refactor: introduce bindThis decorator to bind this automaticaly

---
 packages/backend/src/core/FileInfoService.ts | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'packages/backend/src/core/FileInfoService.ts')

diff --git a/packages/backend/src/core/FileInfoService.ts b/packages/backend/src/core/FileInfoService.ts
index fd8a4fdd3a..bea1b3402e 100644
--- a/packages/backend/src/core/FileInfoService.ts
+++ b/packages/backend/src/core/FileInfoService.ts
@@ -14,6 +14,7 @@ import sharp from 'sharp';
 import { encode } from 'blurhash';
 import { createTempDir } from '@/misc/create-temp.js';
 import { AiService } from '@/core/AiService.js';
+import { bindThis } from '@/decorators.js';
 
 const pipeline = util.promisify(stream.pipeline);
 
@@ -42,6 +43,7 @@ const TYPE_SVG = {
 	mime: 'image/svg+xml',
 	ext: 'svg',
 };
+
 @Injectable()
 export class FileInfoService {
 	constructor(
@@ -52,6 +54,7 @@ export class FileInfoService {
 	/**
 	 * Get file information
 	 */
+	@bindThis
 	public async getFileInfo(path: string, opts: {
 		skipSensitiveDetection: boolean;
 		sensitiveThreshold?: number;
@@ -135,6 +138,7 @@ export class FileInfoService {
 		};
 	}
 
+	@bindThis
 	private async detectSensitivity(source: string, mime: string, sensitiveThreshold: number, sensitiveThresholdForPorn: number, analyzeVideo: boolean): Promise<[sensitive: boolean, porn: boolean]> {
 		let sensitive = false;
 		let porn = false;
@@ -269,6 +273,7 @@ export class FileInfoService {
 		}
 	}
 	
+	@bindThis
 	private exists(path: string): Promise<boolean> {
 		return fs.promises.access(path).then(() => true, () => false);
 	}
@@ -276,6 +281,7 @@ export class FileInfoService {
 	/**
 	 * Detect MIME Type and extension
 	 */
+	@bindThis
 	public async detectType(path: string): Promise<{
 	mime: string;
 	ext: string | null;
@@ -312,6 +318,7 @@ export class FileInfoService {
 	/**
 	 * Check the file is SVG or not
 	 */
+	@bindThis
 	public async checkSvg(path: string) {
 		try {
 			const size = await this.getFileSize(path);
@@ -325,6 +332,7 @@ export class FileInfoService {
 	/**
 	 * Get file size
 	 */
+	@bindThis
 	public async getFileSize(path: string): Promise<number> {
 		const getStat = util.promisify(fs.stat);
 		return (await getStat(path)).size;
@@ -333,6 +341,7 @@ export class FileInfoService {
 	/**
 	 * Calculate MD5 hash
 	 */
+	@bindThis
 	private async calcHash(path: string): Promise<string> {
 		const hash = crypto.createHash('md5').setEncoding('hex');
 		await pipeline(fs.createReadStream(path), hash);
@@ -342,6 +351,7 @@ export class FileInfoService {
 	/**
 	 * Detect dimensions of image
 	 */
+	@bindThis
 	private async detectImageSize(path: string): Promise<{
 	width: number;
 	height: number;
@@ -358,6 +368,7 @@ export class FileInfoService {
 	/**
 	 * Calculate average color of image
 	 */
+	@bindThis
 	private getBlurhash(path: string): Promise<string> {
 		return new Promise((resolve, reject) => {
 			sharp(path)
-- 
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