Ignore cancellations

Author: intitni

Core/Sources/PromptToCodeService/PromptToCodeService.swift

@@ -61,7 +61,13 @@ public final class PromptToCodeService: ObservableObject {
                     description = fragment.description
                 }
             }
+        } catch is CancellationError {
+            return
         } catch {
+            if (error as NSError).code == NSURLErrorCancelled {
+                return
+            }
+
             if let oldCode {
                 code = oldCode
             }
@@ -81,7 +87,7 @@ public final class PromptToCodeService: ObservableObject {
             description = oldDescription
         }
         self.oldCode = nil
-        self.oldDescription = nil
+        oldDescription = nil
     }
 
     public func generateCompletion() -> CopilotCompletion {
@@ -130,7 +136,7 @@ final class OpenAIPromptToCodeAPI: PromptToCodeAPI {
     ) async throws -> AsyncThrowingStream<(code: String, description: String), Error> {
         let userPreferredLanguage = UserDefaults.shared.value(for: \.chatGPTLanguage)
         let textLanguage = userPreferredLanguage.isEmpty ? "" : "in \(userPreferredLanguage)"
-        
+
         let prompt = {
             let indentRule = usesTabsForIndentation ? "\(indentSize) tabs" : "\(indentSize) spaces"
             if code.isEmpty {
@@ -141,7 +147,9 @@ final class OpenAIPromptToCodeAPI: PromptToCodeAPI {
                     indentRule
                 ).
 
-                Please reply to me start with the code block, followed by a short description in 1-3 sentences about what you did \(textLanguage).
+                Please reply to me start with the code block, followed by a short description in 1-3 sentences about what you did \(
+                    textLanguage
+                ).
                 """
             } else {
                 return """
@@ -151,7 +159,9 @@ final class OpenAIPromptToCodeAPI: PromptToCodeAPI {
                     indentRule
                 ).
 
-                Please reply to me start with the code block followed by a short description about what you did in 1-3 sentences \(textLanguage).
+                Please reply to me start with the code block followed by a short description about what you did in 1-3 sentences \(
+                    textLanguage
+                ).
 
                 ```
                 \(code)

Core/Sources/Service/GUI/PromptToCodeProvider+Service.swift

@@ -35,6 +35,8 @@ extension PromptToCodeProvider {
             Task { [weak self] in
                 do {
                     try await service.modifyCode(prompt: requirement)
+                } catch is CancellationError {
+                    return
                 } catch {
                     Task { @MainActor [weak self] in
                         self?.errorMessage = error.localizedDescription