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CU-86epthegu Log consumer run options and log notice when batch messa… #3

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@chenyanghew chenyanghew commented Dec 10, 2024

…ges received

Summary by CodeRabbit

  • New Features

    • Enhanced logging capabilities for batch message handling, including details about received messages.
  • Bug Fixes

    • Improved error handling comments regarding type mismatches in method interfaces.

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coderabbitai bot commented Dec 10, 2024

Important

Review skipped

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Walkthrough

The changes involve updates to the KafkaBatchServer class in the lib/kafka.server.ts file. A new logger property is introduced, initialized with the class name, and a new import for Logger is added. The bindEvents method now includes a console log statement to output the this.options.run property. Additionally, the handleMessage method has been modified to log details about received batch messages, enhancing the observability of the message handling process while maintaining existing method signatures and error handling comments.

Changes

File Change Summary
lib/kafka.server.ts Added logger property and import for Logger. Updated bindEvents to log this.options.run. Enhanced handleMessage to log details of batch messages.

Sequence Diagram(s)

sequenceDiagram
    participant KafkaBatchServer
    participant Logger

    KafkaBatchServer->>Logger: Initialize logger with class name
    KafkaBatchServer->>KafkaBatchServer: bindEvents()
    KafkaBatchServer-->>Console: Log 'CHECK: this.options.run'
    KafkaBatchServer->>KafkaBatchServer: handleMessage(messages)
    KafkaBatchServer-->>Logger: Log batch message details
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Actionable comments posted: 1

🧹 Outside diff range and nitpick comments (1)
lib/kafka.server.ts (1)

58-68: Consider enhancing the log metadata structure.

While the logging implementation is good, the metadata structure could be improved for better readability and consistency.

Consider this structure:

 	this.logger.log(
-		'[KAFKA] Batch messages received',
+		'Batch messages received',
 		'handleMessage',
 		{
-			topicName: payload.batch.topic,
-			partition: payload.batch.partition,
-			numberOfMessages: payload.batch.messages.length,
-			firstOffset: payload.batch.firstOffset(),
-			lastOffset: payload.batch.lastOffset(),
+			kafka: {
+				topic: payload.batch.topic,
+				partition: payload.batch.partition,
+				batch: {
+					size: payload.batch.messages.length,
+					offsetRange: {
+						first: payload.batch.firstOffset(),
+						last: payload.batch.lastOffset()
+					}
+				}
+			}
 		}
 	)

This structure:

  1. Removes redundant "[KAFKA]" prefix as it's already clear from the context
  2. Groups related fields under a "kafka" namespace
  3. Provides better nesting for batch-specific information
📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

📥 Commits

Reviewing files that changed from the base of the PR and between 4e81397 and 47c3476.

📒 Files selected for processing (1)
  • lib/kafka.server.ts (4 hunks)
🔇 Additional comments (2)
lib/kafka.server.ts (2)

10-10: LGTM! Good use of NestJS Logger.

Using the built-in NestJS Logger with the class name provides consistent logging and proper context throughout the application.

Also applies to: 26-26


Line range hint 52-52: Verify the impact of type mismatches.

The code contains multiple @ts-expect-error comments indicating interface mismatches with the parent class. While not directly related to the current changes, these type issues should be tracked and addressed.

Let's analyze the type mismatches:

Consider creating an issue to track the resolution of these type mismatches, as they could lead to maintenance challenges in the future.

Also applies to: 53-53, 92-92, 93-93

Comment on lines +41 to +44
console.log(
JSON.stringify(this.options.run, null, 2),
'CHECK: this.options.run',
);
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🛠️ Refactor suggestion

Replace console.log with structured logging.

The current console.log appears to be debugging code and should be replaced with proper structured logging using the NestJS Logger.

Replace with:

-	console.log(
-		JSON.stringify(this.options.run, null, 2),
-		'CHECK: this.options.run',
-	);
+	this.logger.debug(
+		'Consumer run options',
+		{ options: this.options.run }
+	);
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
console.log(
JSON.stringify(this.options.run, null, 2),
'CHECK: this.options.run',
);
this.logger.debug(
'Consumer run options',
{ options: this.options.run }
);

@Clashsoft
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This does nothing more than add 2 log statements and commit the dist folder.

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2 participants