fix: compatibility issue

Author: carlrobertoh

CHANGELOG.md

@@ -10,12 +10,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Claude 3.7 Sonnet model (CodeGPT)
 
-## [2.17.0-241.1] - 2025-02-12
-
-### Renamed
-
-- Plugin name
-
 ## [2.16.3-241.1] - 2025-02-11
 
 ### Added
@@ -919,7 +913,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - `OPENAI_API_KEY` persistence, key is saved in the OS password safe from now on
 
 [Unreleased]: https://github.com/carlrobertoh/CodeGPT/compare/v2.17.0-241.1...HEAD
-[2.17.0-241.1]: https://github.com/carlrobertoh/CodeGPT/compare/v2.16.3-241.1...v2.17.0-241.1
 [2.16.3-241.1]: https://github.com/carlrobertoh/CodeGPT/compare/v2.16.2-241.1...v2.16.3-241.1
 [2.16.2-241.1]: https://github.com/carlrobertoh/CodeGPT/compare/v2.16.1-241.1...v2.16.2-241.1
 [2.16.1-241.1]: https://github.com/carlrobertoh/CodeGPT/compare/v2.16.0-241.1...v2.16.1-241.1

src/main/kotlin/ee/carlrobert/codegpt/CodeGPTProjectActivity.kt

@@ -13,7 +13,7 @@ import ee.carlrobert.codegpt.settings.service.ServiceType
 import ee.carlrobert.codegpt.settings.service.codegpt.CodeGPTService
 import ee.carlrobert.codegpt.toolwindow.chat.ui.textarea.AttachImageNotifier
 import ee.carlrobert.codegpt.ui.OverlayUtil
-import io.ktor.util.*
+import java.nio.file.Path
 import java.nio.file.Paths
 import kotlin.io.path.absolutePathString
 
@@ -34,7 +34,7 @@ class CodeGPTProjectActivity : ProjectActivity {
         ) {
             val desktopPath = Paths.get(System.getProperty("user.home"), "Desktop")
             project.service<FileWatcher>().watch(desktopPath) {
-                if (watchExtensions.contains(it.extension.lowercase())) {
+                if (watchExtensions.contains(getFileExtension(it))) {
                     showImageAttachmentNotification(
                         project,
                         desktopPath.resolve(it).absolutePathString()
@@ -44,6 +44,16 @@ class CodeGPTProjectActivity : ProjectActivity {
         }
     }
 
+    private fun getFileExtension(path: Path): String {
+        val fileName = path.fileName.toString()
+        val lastIndexOfDot = fileName.lastIndexOf('.')
+        return if (lastIndexOfDot != -1) {
+            fileName.substring(lastIndexOfDot + 1).lowercase()
+        } else {
+            ""
+        }
+    }
+
     private fun showImageAttachmentNotification(project: Project, filePath: String) {
         OverlayUtil.getDefaultNotification(
             CodeGPTBundle.get("imageAttachmentNotification.content"),