Class: Fractor::ErrorFormatter

Inherits:
Object
  • Object
show all
Defined in:
lib/fractor/error_formatter.rb

Overview

Formats error messages with rich context for debugging. Extracted from Supervisor to follow Single Responsibility Principle.

Examples:

Basic usage

formatter = ErrorFormatter.new
error_message = formatter.format(wrapped_ractor, error_result)

Instance Method Summary collapse

Instance Method Details

#format(wrapped_ractor, error_result) ⇒ String

Format error context with rich information for debugging.

Parameters:

  • wrapped_ractor (WrappedRactor) —

    The worker that encountered the error

  • error_result (WorkResult) —

    The error result

Returns:

  • (String) —

    Formatted error message with context



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# File 'lib/fractor/error_formatter.rb', line 16

def format(wrapped_ractor, error_result)
  timestamp = Time.now.strftime("%Y-%m-%d %H:%M:%S")
  worker_class = wrapped_ractor.worker_class
  worker_name = wrapped_ractor.name

  # Build contextual error message
  lines = [
    "=" * 80,
    "[#{timestamp}] ERROR PROCESSING WORK",
    "=" * 80,
    "Worker: #{worker_name} (#{worker_class})",
    "Work Item: #{error_result.work&.inspect || 'unknown'}",
    "Error: #{error_result.error}",
  ]

  # Add error category and severity if available
  if error_result.respond_to?(:error_category) && error_result.error_category
    lines << "Category: #{error_result.error_category}"
  end
  if error_result.respond_to?(:error_severity) && error_result.error_severity
    lines << "Severity: #{error_result.error_severity}"
  end

  # Add suggestions based on error type
  suggestion = suggest_fix_for(error_result)
  lines << "Suggestion: #{suggestion}" if suggestion

  lines << "=" * 80
  lines.join("\n")
end