From 34ea6b28214d15c7c47185dba486b61702fa718e Mon Sep 17 00:00:00 2001
From: Pratyush <155612188+itz-Me-Pj@users.noreply.github.com>
Date: Wed, 12 Nov 2025 18:12:29 +0530
Subject: [PATCH] =?UTF-8?q?Added=20Image=20check=20for=20Allowed=20Image?=
 =?UTF-8?q?=20Extentions=20to=20categorize=20raw=20came=E2=80=A6=20(#9241)?=
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* Added Image check for Allowed Image Extentions to categorize raw camera formats as attachments

* Incorporated Copilot suggestion for constant and resuable method also updated method to satify test cases
---
 app/utils/file/index.ts | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/app/utils/file/index.ts b/app/utils/file/index.ts
index 65c74d9fa..2126ae474 100644
--- a/app/utils/file/index.ts
+++ b/app/utils/file/index.ts
@@ -66,6 +66,8 @@ const SUPPORTED_DOCS_FORMAT = Platform.select({
     ],
 });
 
+const SUPPORTED_IMAGE_FORMAT = ['png', 'jpg', 'jpeg', 'bmp', 'tiff', 'svg', 'xcf', 'gif'];
+
 const SUPPORTED_VIDEO_FORMAT = Platform.select({
     ios: ['video/mp4', 'video/x-m4v', 'video/quicktime'],
     android: ['video/3gpp', 'video/x-matroska', 'video/mp4', 'video/webm', 'video/quicktime'],
@@ -266,6 +268,11 @@ export const isGif = (file?: FileInfo | FileModel) => {
     return mime === 'image/gif';
 };
 
+export function extractExtension(filename: string) {
+    const ext = filename.split('.').pop() || '';
+    return ext.startsWith('.') ? ext.slice(1).toLowerCase() : ext.toLowerCase();
+}
+
 export const isImage = (file?: FileInfo | FileModel) => {
     if (!file) {
         return false;
@@ -275,6 +282,12 @@ export const isImage = (file?: FileInfo | FileModel) => {
         return true;
     }
 
+    const fileExt = extractExtension(file.extension || file.name);
+
+    if (!SUPPORTED_IMAGE_FORMAT.includes(fileExt)) {
+        return false;
+    }
+
     let mimeType = 'mime_type' in file ? file.mime_type : file.mimeType;
     if (!mimeType) {
         mimeType = lookupMimeType(file.extension) || lookupMimeType(file.name);