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hotfix for statusText is non ISO-8859-1 #5717 #5719

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merged 3 commits into from
Oct 25, 2024

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@lloydzhou lloydzhou commented Oct 25, 2024

πŸ’» ε˜ζ›΄η±»εž‹ | Change Type

  • feat
  • fix
  • refactor
  • perf
  • style
  • test
  • docs
  • ci
  • chore
  • build

πŸ”€ ε˜ζ›΄θ―΄ζ˜Ž | Description of Change

πŸ“ θ‘₯充俑息 | Additional Information

Summary by CodeRabbit

  • Bug Fixes
    • Improved error handling during requests by standardizing error responses.
    • Enhanced clarity in how error messages are emitted to the client, allowing for better debugging and user awareness.
    • Transitioned from an exception-based error handling approach to a response-based approach in the fetch function.

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πŸ“₯ Commits

Files that changed from the base of the PR and between 2c74559 and 90ced92.

Walkthrough

The changes made in this pull request focus on enhancing the error handling logic within the stream_fetch function located in src-tauri/src/stream.rs. The error response mechanism has been standardized by replacing specific error messages with a static string "Error". Additionally, the refactored error handling now includes an asynchronous task that emits the error message to the client as a ChunkPayload, improving the clarity and consistency of error responses. Similar modifications were made to the fetch function in app/utils/stream.ts, transitioning from an exception-based error handling to a response-based approach.

Changes

File Change Summary
src-tauri/src/stream.rs Modified stream_fetch function to standardize error responses and refactor error handling to emit error messages as ChunkPayload.
app/utils/stream.ts Updated fetch function to comment out the throw statement in error handling, returning a Response object with a status code of 599 instead.

Possibly related PRs

  • make sure get request_id before body chunkΒ #5611: This PR modifies the fetch function in app/utils/stream.ts, which is directly related to the changes in the stream_fetch function in src-tauri/src/stream.rs as both involve error handling and response streaming mechanisms.

Suggested labels

enhancement, help wanted

Suggested reviewers

  • Leizhenpeng
  • Dogtiti

Poem

πŸ‡ In the stream where errors flow,
A message now, just "Error," we show.
With chunks that emit, clear and bright,
Our clients will know, all will be right!
Hopping along, with clarity we play,
Error handling's better, hip-hip-hooray! πŸŽ‰


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Actionable comments posted: 1

🧹 Outside diff range and nitpick comments (1)
src-tauri/src/stream.rs (1)

132-137: Consider using standard HTTP status code

The change to use static "Error" for status_text is good as it ensures ISO-8859-1 compliance. However, 599 is a non-standard HTTP status code.

Consider using a standard HTTP status code:

       StreamResponse {
         request_id,
-        status: 599,
+        status: 500, // Internal Server Error
         status_text: "Error".to_string(),
         headers: HashMap::new(),
       }
πŸ“œ Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

πŸ“₯ Commits

Files that changed from the base of the PR and between 4745706 and e3ca7e8.

πŸ“’ Files selected for processing (1)
  • src-tauri/src/stream.rs (1 hunks)
πŸ”‡ Additional comments (1)
src-tauri/src/stream.rs (1)

122-137: Verify ISO-8859-1 compliance across the codebase

Let's verify that all status text usage in the codebase is ISO-8859-1 compliant.

βœ… Verification successful

Status text values are ISO-8859-1 compliant

The codebase only uses two status text values:

  • "OK" for successful responses
  • "Error" for error responses

Both strings contain only ASCII characters which are a subset of ISO-8859-1, making them compliant with the standard.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Search for any status_text assignments in the codebase
rg -l 'status_text.*=|status_text:' --type rust

# Search for potential non-ASCII string literals being assigned
ast-grep --pattern 'status_text = $_' --lang rust

Length of output: 125


Script:

#!/bin/bash
# Get full context of status_text usage in stream.rs
rg -A 5 -B 5 'status_text.*=|status_text:' src-tauri/src/stream.rs

# Search for struct definition containing status_text
ast-grep --pattern 'struct $_ {
  $$$
  status_text: $_,
  $$$
}'

Length of output: 815

src-tauri/src/stream.rs Outdated Show resolved Hide resolved
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Actionable comments posted: 1

🧹 Outside diff range and nitpick comments (1)
app/utils/stream.ts (1)

103-104: Consider logging error details for debugging.

While we avoid sending non ISO-8859-1 characters in the response, it would be helpful to log the original error for debugging purposes.

 .catch((e) => {
-  console.error("stream error", e);
+  console.error("[Stream Fetch Error]", {
+    url,
+    error: e?.message || String(e),
+    timestamp: new Date().toISOString()
+  });
   return new Response("", { status: 599 });
 });
πŸ“œ Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

πŸ“₯ Commits

Files that changed from the base of the PR and between e3ca7e8 and 2c74559.

πŸ“’ Files selected for processing (1)
  • app/utils/stream.ts (1 hunks)
πŸ”‡ Additional comments (1)
app/utils/stream.ts (1)

103-104: Verify error handling in dependent code.

The switch from throwing errors to returning Response objects with status 599 represents a breaking change in error handling behavior.

Let's verify the usage of this fetch function to ensure all callers can handle the new error response pattern:

βœ… Verification successful

Let me gather more specific information about the error handling patterns in the codebase.

This will help us understand:

  1. How the stream utility is imported and used
  2. The error handling patterns around fetch calls
  3. The broader context of the modified error handling in stream.ts

Let me gather more specific information about the usage of this fetch function and its error handling context.

This will help us understand:

  1. Which files import and use this fetch function
  2. If there's any explicit handling of the 599 status code
  3. The complete function context where this fetch is implemented

Based on the gathered information, I can now provide the final response:

The error handling change appears to be safe and localized

The modification from throwing errors to returning a Response with status 599 is actually an implementation detail that doesn't impact dependent code because:

  1. The error handling occurs in a .catch() block within a stream-specific fetch wrapper
  2. No other files directly import or reference this specific fetch implementation
  3. The function still returns a Response object in both success and error cases, maintaining a consistent interface

The change makes the error handling more consistent by always returning a Response object rather than mixing thrown errors and responses.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Search for direct usage of the fetch function
rg -l "fetch\(" app/

# Look for catch blocks that might expect the old error throwing behavior
ast-grep --pattern 'catch ($_) {
  $$$
}'

Length of output: 1106


Script:

#!/bin/bash
# Check how the fetch from stream.ts is imported and used
rg -A 5 "from.*stream'" app/

# Look for catch blocks specifically around fetch calls
rg -B 2 -A 5 "fetch\(.*\).*\{.*\}.*catch" app/

# Check the implementation context of the modified fetch function
rg -B 10 -A 10 "return new Response" app/utils/stream.ts

Length of output: 466


Script:

#!/bin/bash
# Look for imports of fetch from stream.ts
rg "import.*from.*stream'" app/

# Check for any error handling or status code checks for 599
rg -B 3 -A 3 "status.*599|599.*status" app/

# Look for the function definition containing this fetch
ast-grep --pattern 'function $FUNC($_) {
  $$$
  fetch($$$)
  $$$
}'

Length of output: 478

app/utils/stream.ts Show resolved Hide resolved
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@lloydzhou lloydzhou merged commit 8299484 into ChatGPTNextWeb:main Oct 25, 2024
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