Class: RailsErrorDashboard::Commands::LogError

Inherits:
Object
  • Object
show all
Defined in:
lib/rails_error_dashboard/commands/log_error.rb

Overview

Command: Log an error to the database This is a write operation that creates an ErrorLog record

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(exception, context = {}) ⇒ LogError

Returns a new instance of LogError.



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# File 'lib/rails_error_dashboard/commands/log_error.rb', line 34

def initialize(exception, context = {})
  @exception = exception
  @context = context
end

Class Method Details

.call(exception, context = {}) ⇒ Object 



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# File 'lib/rails_error_dashboard/commands/log_error.rb', line 8

def self.call(exception, context = {})
  # Check if async logging is enabled
  if RailsErrorDashboard.configuration.async_logging
    # For async logging, just enqueue the job
    # All filtering happens when the job runs
    call_async(exception, context)
  else
    # For sync logging, execute immediately
    new(exception, context).call
  end
end

.call_async(exception, context = {}) ⇒ Object

Queue error logging as a background job



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# File 'lib/rails_error_dashboard/commands/log_error.rb', line 21

def self.call_async(exception, context = {})
  # Serialize exception data for the job
  exception_data = {
    class_name: exception.class.name,
    message: exception.message,
    backtrace: exception.backtrace
  }

  # Enqueue the async job using ActiveJob
  # The queue adapter (:sidekiq, :solid_queue, :async) is configured separately
  AsyncErrorLoggingJob.perform_later(exception_data, context)
end

Instance Method Details

#call ⇒ Object 



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# File 'lib/rails_error_dashboard/commands/log_error.rb', line 39

def call
  # Check if this exception should be ignored
  return nil if should_ignore_exception?(@exception)

  # Check sampling rate for non-critical errors
  # Critical errors are ALWAYS logged regardless of sampling
  return nil if should_skip_due_to_sampling?(@exception)

  error_context = ValueObjects::ErrorContext.new(@context, @context[:source])

  # Find or create application (cached lookup)
  application = find_or_create_application

  # Build error attributes
  truncated_backtrace = truncate_backtrace(@exception.backtrace)
  attributes = {
    application_id: application.id,
    error_type: @exception.class.name,
    message: @exception.message,
    backtrace: truncated_backtrace,
    user_id: error_context.user_id,
    request_url: error_context.request_url,
    request_params: error_context.request_params,
    user_agent: error_context.user_agent,
    ip_address: error_context.ip_address,
    platform: error_context.platform,
    controller_name: error_context.controller_name,
    action_name: error_context.action_name,
    occurred_at: Time.current
  }

  # Generate error hash for deduplication (including controller/action context and application)
  error_hash = generate_error_hash(@exception, error_context.controller_name, error_context.action_name, application.id)

  #  Calculate backtrace signature for fuzzy matching (if column exists)
  if ErrorLog.column_names.include?("backtrace_signature")
    attributes[:backtrace_signature] = calculate_backtrace_signature_from_backtrace(truncated_backtrace)
  end

  #  Add git/release info if columns exist
  if ErrorLog.column_names.include?("git_sha")
    attributes[:git_sha] = RailsErrorDashboard.configuration.git_sha ||
                            ENV["GIT_SHA"] ||
                            ENV["HEROKU_SLUG_COMMIT"] ||
                            ENV["RENDER_GIT_COMMIT"] ||
                            detect_git_sha_from_command
  end

  if ErrorLog.column_names.include?("app_version")
    attributes[:app_version] = RailsErrorDashboard.configuration.app_version ||
                                ENV["APP_VERSION"] ||
                                detect_version_from_file
  end

  # Find existing error or create new one
  # This ensures accurate occurrence tracking
  error_log = ErrorLog.find_or_increment_by_hash(error_hash, attributes.merge(error_hash: error_hash))

  #  Track individual error occurrence for co-occurrence analysis (if table exists)
  if defined?(ErrorOccurrence) && ErrorOccurrence.table_exists?
    begin
      ErrorOccurrence.create(
        error_log: error_log,
        occurred_at: attributes[:occurred_at],
        user_id: attributes[:user_id],
        request_id: error_context.request_id,
        session_id: error_context.session_id
      )
    rescue => e
      RailsErrorDashboard::Logger.error("Failed to create error occurrence: #{e.message}")
    end
  end

  # Send notifications only for new errors (not increments)
  # Check if this is first occurrence or error was just created
  if error_log.occurrence_count == 1
    send_notifications(error_log)
    # Dispatch plugin event for new error
    PluginRegistry.dispatch(:on_error_logged, error_log)
    # Trigger notification callbacks
    trigger_callbacks(error_log)
    # Emit ActiveSupport::Notifications instrumentation events
    emit_instrumentation_events(error_log)
  else
    # Dispatch plugin event for error recurrence
    PluginRegistry.dispatch(:on_error_recurred, error_log)
  end

  #  Check for baseline anomalies
  check_baseline_anomaly(error_log)

  error_log
rescue => e
  # Don't let error logging cause more errors - fail silently
  # CRITICAL: Log but never propagate exception
  RailsErrorDashboard::Logger.error("[RailsErrorDashboard] LogError command failed: #{e.class} - #{e.message}")
  RailsErrorDashboard::Logger.error("Original exception: #{@exception.class} - #{@exception.message}") if @exception
  RailsErrorDashboard::Logger.error("Context: #{@context.inspect}") if @context
  RailsErrorDashboard::Logger.error(e.backtrace&.first(5)&.join("\n")) if e.backtrace
  nil # Explicitly return nil, never raise
end