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fix: Context method #115

Merged
merged 4 commits into from
Dec 15, 2024
Merged

fix: Context method #115

merged 4 commits into from
Dec 15, 2024

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hwbrzzl
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@hwbrzzl hwbrzzl commented Dec 15, 2024

📑 Description

Previously, the context returned by the Context method can't get value normally, because we maintain a customized value.

Summary by CodeRabbit

Summary by CodeRabbit

  • New Features

    • Enhanced context management with improved key handling for session and response origin.
  • Bug Fixes

    • Standardized session management to reduce hard-coded string errors.
  • Tests

    • Updated test initialization for context to improve reliability and added user-specific context handling.

✅ Checks

  • Added test cases for my code

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coderabbitai bot commented Dec 15, 2024

Walkthrough

The pull request introduces modifications to context management across multiple files in the project. The changes focus on standardizing context key usage by introducing constants like responseOriginKey, sessionKey, and contextKey. The implementation updates methods in context.go, context_request.go, and context_response.go to use these new constants instead of string literals. Additionally, the test file context_test.go was updated to use gin.CreateTestContext for context initialization, reflecting the evolving approach to context handling.

Changes

File Change Summary
context.go - Replaced goravelContextKey with contextKey, responseOriginKey, and sessionKey constants
- Added internalContextKeys slice
- Renamed getGoravelCtx to getGoravelContextValues
- Updated context value retrieval and management methods
context_request.go - Replaced string literal "session" with sessionKey in session-related methods
- Updated HasSession, Session, and SetSession methods to use sessionKey
context_response.go - Updated ResponseMiddleware to use responseOriginKey instead of string literal
context_test.go - Added imports for gin, httptest, and context
- Modified context initialization to use gin.CreateTestContext

Possibly related PRs

Suggested reviewers

  • devhaozi

📜 Recent review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 8e535e3 and a45c424.

📒 Files selected for processing (1)
  • context_test.go (1 hunks)
🚧 Files skipped from review as they are similar to previous changes (1)
  • context_test.go

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@hwbrzzl hwbrzzl marked this pull request as ready for review December 15, 2024 04:31
@hwbrzzl hwbrzzl requested a review from a team as a code owner December 15, 2024 04:31
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Actionable comments posted: 0

🧹 Nitpick comments (2)
context.go (1)

82-99: Optimize the internal key skip check

The current implementation iterates through all internal keys for each value. Consider using a map for O(1) lookup.

- for _, internalContextKey := range internalContextKeys {
-   if key == internalContextKey {
-     skip = true
-   }
- }
+ internalKeysMap := make(map[any]struct{}, len(internalContextKeys))
+ for _, key := range internalContextKeys {
+   internalKeysMap[key] = struct{}{}
+ }
+ _, skip = internalKeysMap[key]
context_request.go (1)

396-399: Consider adding session parameter validation

While the implementation correctly uses the standardized sessionKey, consider adding validation for the session parameter to prevent storing nil sessions.

 func (r *ContextRequest) SetSession(session contractsession.Session) contractshttp.ContextRequest {
+	if session == nil {
+		return r
+	}
 	r.ctx.WithValue(sessionKey, session)
 
 	return r
 }
📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between edd926c and e4ea5bd.

📒 Files selected for processing (4)
  • context.go (4 hunks)
  • context_request.go (2 hunks)
  • context_response.go (1 hunks)
  • context_test.go (2 hunks)
🔇 Additional comments (8)
context_test.go (1)

19-21: LGTM! Improved test context initialization

The change to use gin.CreateTestContext with httptest.NewRecorder() provides a more realistic test environment compared to the previous approach.

context.go (3)

13-17: LGTM! Improved type safety with constant keys

The introduction of constants for context keys improves type safety and maintainability by preventing string literal usage.


19-25: LGTM! Well-organized internal keys management

The internalContextKeys slice provides a clean way to manage and identify internal context keys.


121-122: LGTM! Improved method naming

Renaming getGoravelCtx to getGoravelContextValues better reflects the method's purpose.

context_response.go (1)

156-156: LGTM! Consistent use of context key constant

The change to use responseOriginKey aligns with the standardization of context keys across the codebase.

context_request.go (3)

160-162: LGTM: Clean session key usage

The change correctly uses the standardized sessionKey constant for session existence check.


388-392: LGTM: Robust session retrieval implementation

The implementation properly handles type assertion and includes appropriate nil checking for cases where the session doesn't exist.


Line range hint 160-399: Verify consistent session key usage across codebase

Let's ensure all session-related operations use the standardized sessionKey constant.

✅ Verification successful

Let me gather more context about the session handling implementation.


Session key usage is consistent across the codebase

The verification shows that:

  • All session-related operations consistently use the sessionKey constant defined in context.go
  • The session key is properly encapsulated and only accessed through the ContextRequest methods: HasSession(), Session(), and SetSession()
  • No string literal "session" usage was found in context operations
  • All context value operations for sessions use the type-safe sessionKey constant
🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Search for any remaining string literal "session" usage in context operations
rg -l '"session"' --type go

# Search for all sessionKey usages to verify consistent implementation
rg 'sessionKey' --type go

Length of output: 345


Script:

#!/bin/bash
# Search for Session interface usage and implementation
ast-grep --pattern 'type Session interface {
  $$$
}'

# Search for any context value operations that might be session-related
rg 'ctx.*Value\(' --type go -A 2

# Look for any other session-related operations
rg 'Session\(' --type go -A 2

Length of output: 6242

coderabbitai[bot]
coderabbitai bot previously approved these changes Dec 15, 2024
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Actionable comments posted: 1

🔭 Outside diff range comments (1)
context.go (1)

Line range hint 125-132: Add error handling for type assertion

The type assertion val.(map[any]any) could panic if the value is of wrong type.

Consider adding error handling:

func (c *Context) getGoravelContextValues() map[any]any {
    if val, exist := c.instance.Get(contextKey); exist {
-       if goravelCtxVal, ok := val.(map[any]any); ok {
+       goravelCtxVal, ok := val.(map[any]any)
+       if !ok {
+           // Log the error or handle invalid type
+           return make(map[any]any)
+       }
        return goravelCtxVal
    }
    return make(map[any]any)
}
🧹 Nitpick comments (1)
context_test.go (1)

36-37: Clarify the comment about UserContext coverage

The comment "The value of UserContext can't be covered" is unclear. If this is a known limitation, please elaborate on why the value can't be covered and document any workarounds.

📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between e4ea5bd and 8e535e3.

📒 Files selected for processing (2)
  • context.go (4 hunks)
  • context_test.go (1 hunks)
🧰 Additional context used
🪛 golangci-lint (1.62.2)
context_test.go

24-24: SA1029: should not use built-in type string as key for value; define your own type to avoid collisions

(staticcheck)

🔇 Additional comments (4)
context_test.go (1)

16-18: LGTM: Improved test context initialization

The change to use gin.CreateTestContext with httptest.NewRecorder() is a better approach for testing as it provides a more realistic test environment.

context.go (3)

13-25: LGTM: Improved context key management

Good practice to centralize and standardize context keys as constants. The internalContextKeys slice provides a clean way to manage internal keys.


114-118: LGTM: Improved value retrieval logic

The Value method now correctly checks the internal context values before falling back to the request context.


82-99: Verify performance impact of internal key filtering

The Context method now iterates through internalContextKeys for each value. For large contexts, this could impact performance.

Let's check if there are any performance-sensitive uses of this method:

Consider using a map for O(1) lookup if performance becomes a concern:

var (
    internalContextKeys = []any{
        contextKey,
        responseOriginKey,
        sessionKey,
    }
+   internalContextKeySet = map[any]struct{}{
+       contextKey:        {},
+       responseOriginKey: {},
+       sessionKey:        {},
+   }
)
✅ Verification successful

Performance impact of internal key filtering is negligible

The implementation is efficient enough for the following reasons:

  • The context values are stored in a single map, retrieved once via getGoravelContextValues()
  • internalContextKeys is a small array used only for filtering internal keys
  • The method is not called in any performance-critical paths (based on usage patterns in the codebase)
  • The context is typically small as it's initialized as an empty map and populated on-demand

The current implementation maintains good readability while having minimal performance overhead. The suggested optimization using a map would be premature at this stage.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Search for Context() method calls in performance-critical paths
rg -A 5 "Context\(\)" | grep -i "performance\|bench"

# Look for any benchmark tests using Context()
ast-grep --pattern 'func Benchmark$_($_) {
  $$$
  Context()
  $$$
}'

Length of output: 126


Script:

#!/bin/bash
# Let's first check how frequently Context() is called in the codebase
rg -B 2 -A 2 "\.Context\(\)"

# Let's also check the size of internalContextKeys to understand the iteration impact
ast-grep --pattern 'var internalContextKeys = []any{$$$}'

# Check if there are any tests that might give us insights into typical usage
rg -B 2 -A 2 "Context\(\)" "*_test.go"

Length of output: 1528


Script:

#!/bin/bash
# Let's check the size and content of internalContextKeys with a broader pattern
ast-grep --pattern 'internalContextKeys = []any{$$$}'

# Let's also check getGoravelContextValues to understand typical context size
ast-grep --pattern 'func (c *Context) getGoravelContextValues() map[any]any {
  $$$
}'

# Check how many values are typically stored in the context
rg -B 2 -A 5 "getGoravelContextValues"

Length of output: 1736

context_test.go Outdated Show resolved Hide resolved
devhaozi
devhaozi previously approved these changes Dec 15, 2024
@hwbrzzl hwbrzzl merged commit b325e9c into master Dec 15, 2024
7 checks passed
@hwbrzzl hwbrzzl deleted the bowen/#282 branch December 15, 2024 08:50
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