Class: RailsErrorDashboard::ErrorLog

Inherits:
ErrorLogsRecord show all
Defined in:
app/models/rails_error_dashboard/error_log.rb

Constant Summary collapse

CRITICAL_ERROR_TYPES = 
%w[
  SecurityError
  NoMemoryError
  SystemStackError
  SignalException
  ActiveRecord::StatementInvalid
  LoadError
  SyntaxError
  ActiveRecord::ConnectionNotEstablished
  Redis::ConnectionError
  OpenSSL::SSL::SSLError
].freeze
HIGH_SEVERITY_ERROR_TYPES = 
%w[
  ActiveRecord::RecordNotFound
  ArgumentError
  TypeError
  NoMethodError
  NameError
  ZeroDivisionError
  FloatDomainError
  IndexError
  KeyError
  RangeError
].freeze
MEDIUM_SEVERITY_ERROR_TYPES = 
%w[
  ActiveRecord::RecordInvalid
  Timeout::Error
  Net::ReadTimeout
  Net::OpenTimeout
  ActiveRecord::RecordNotUnique
  JSON::ParserError
  CSV::MalformedCSVError
  Errno::ECONNREFUSED
].freeze

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.belongs_to(*args, **options) ⇒ Object

Override user association to use configured user model



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# File 'app/models/rails_error_dashboard/error_log.rb', line 540

def self.belongs_to(*args, **options)
  if args.first == :user
    user_model = RailsErrorDashboard.configuration.user_model
    options[:class_name] = user_model if user_model.present?
  end
  super
end

.find_or_increment_by_hash(error_hash, attributes = {}) ⇒ Object

Find existing error by hash or create new one This is CRITICAL for accurate occurrence tracking Uses pessimistic locking to prevent race conditions in multi-app scenarios



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# File 'app/models/rails_error_dashboard/error_log.rb', line 179

def self.find_or_increment_by_hash(error_hash, attributes = {})
  # Look for unresolved error with same hash in last 24 hours
  # (resolved errors are considered "fixed" so new occurrence = new issue)
  # CRITICAL: Scope by application_id to prevent cross-app locks
  existing = unresolved
              .where(error_hash: error_hash)
              .where(application_id: attributes[:application_id])
              .where("occurred_at >= ?", 24.hours.ago)
              .lock  # Row-level pessimistic lock
              .order(last_seen_at: :desc)
              .first

  if existing
    # Increment existing error
    existing.update!(
      occurrence_count: existing.occurrence_count + 1,
      last_seen_at: Time.current,
      # Update context from latest occurrence
      user_id: attributes[:user_id] || existing.user_id,
      request_url: attributes[:request_url] || existing.request_url,
      request_params: attributes[:request_params] || existing.request_params,
      user_agent: attributes[:user_agent] || existing.user_agent,
      ip_address: attributes[:ip_address] || existing.ip_address
    )
    existing
  else
    # Create new error record with retry logic for race conditions
    begin
      create!(attributes.reverse_merge(resolved: false))
    rescue ActiveRecord::RecordNotUnique
      # Race condition: another process created the record
      # Retry with lock to find and increment
      retry_existing = unresolved
                        .where(error_hash: error_hash)
                        .where(application_id: attributes[:application_id])
                        .where("occurred_at >= ?", 24.hours.ago)
                        .lock
                        .first

      if retry_existing
        retry_existing.update!(
          occurrence_count: retry_existing.occurrence_count + 1,
          last_seen_at: Time.current
        )
        retry_existing
      else
        raise  # Re-raise if still nil (unexpected scenario)
      end
    end
  end
end

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

Log an error with context (delegates to Command)



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# File 'app/models/rails_error_dashboard/error_log.rb', line 232

def self.log_error(exception, context = {})
  Commands::LogError.call(exception, context)
end

.statistics(days = 7) ⇒ Object

Get error statistics



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# File 'app/models/rails_error_dashboard/error_log.rb', line 375

def self.statistics(days = 7)
  start_date = days.days.ago

  {
    total: where("occurred_at >= ?", start_date).count,
    unresolved: where("occurred_at >= ?", start_date).unresolved.count,
    by_type: where("occurred_at >= ?", start_date)
      .group(:error_type)
      .count
      .sort_by { |_, count| -count }
      .to_h,
    by_day: where("occurred_at >= ?", start_date)
      .group("DATE(occurred_at)")
      .count
  }
end

Instance Method Details

#assign_to!(assignee_name) ⇒ Object

Assignment methods



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# File 'app/models/rails_error_dashboard/error_log.rb', line 244

def assign_to!(assignee_name)
  update!(
    assigned_to: assignee_name,
    assigned_at: Time.current,
    status: "in_progress" # Auto-transition to in_progress when assigned
  )
end

#assigned? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/rails_error_dashboard/error_log.rb', line 259

def assigned?
  assigned_to.present?
end

#backtrace_frames ⇒ Object

Extract backtrace frames for similarity comparison



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# File 'app/models/rails_error_dashboard/error_log.rb', line 401

def backtrace_frames
  return [] if backtrace.blank?

  # Handle different backtrace formats
  lines = if backtrace.is_a?(Array)
    backtrace
  elsif backtrace.is_a?(String)
    # Check if it's a serialized array (starts with "[")
    if backtrace.strip.start_with?("[")
      # Try to parse as JSON array
      begin
        JSON.parse(backtrace)
      rescue JSON::ParserError
        # Fall back to newline split
        backtrace.split("\n")
      end
    else
      backtrace.split("\n")
    end
  else
    []
  end

  lines.first(20).map do |line|
    # Extract file path and method name, ignore line numbers
    if line =~ %r{([^/]+\.rb):.*?in `(.+)'$}
      "#{Regexp.last_match(1)}:#{Regexp.last_match(2)}"
    elsif line =~ %r{([^/]+\.rb)}
      Regexp.last_match(1)
    end
  end.compact.uniq
end

#baseline_anomaly(sensitivity: 2) ⇒ Hash

Check if this error is anomalous compared to baseline

Parameters:

  • sensitivity (Integer) (defaults to: 2) —

    Standard deviations threshold (default: 2)

Returns:

  • (Hash) —

    Anomaly check result



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# File 'app/models/rails_error_dashboard/error_log.rb', line 496

def baseline_anomaly(sensitivity: 2)
  return { anomaly: false, message: "Feature disabled" } unless RailsErrorDashboard.configuration.enable_baseline_alerts
  return { anomaly: false, message: "No baseline available" } unless defined?(Queries::BaselineStats)

  # Get count of this error type today
  today_count = ErrorLog.where(
    error_type: error_type,
    platform: platform
  ).where("occurred_at >= ?", Time.current.beginning_of_day).count

  Queries::BaselineStats.new(error_type, platform).check_anomaly(today_count, sensitivity: sensitivity)
end

#baselines ⇒ Hash

Get baseline statistics for this error type

Returns:

  • (Hash) —

    ErrorBaseline, daily: ErrorBaseline, weekly: ErrorBaseline



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# File 'app/models/rails_error_dashboard/error_log.rb', line 486

def baselines
  return {} unless RailsErrorDashboard.configuration.enable_baseline_alerts
  return {} unless defined?(Queries::BaselineStats)

  Queries::BaselineStats.new(error_type, platform).all_baselines
end

#calculate_backtrace_signature ⇒ Object

Calculate backtrace signature for fast similarity matching Signature is a hash of the unique file paths in the backtrace



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# File 'app/models/rails_error_dashboard/error_log.rb', line 436

def calculate_backtrace_signature
  frames = backtrace_frames
  return nil if frames.empty?

  # Create signature from sorted file paths (order-independent)
  file_paths = frames.map { |frame| frame.split(":").first }.sort
  Digest::SHA256.hexdigest(file_paths.join("|"))[0..15]
end

#calculate_priority ⇒ Object 



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# File 'app/models/rails_error_dashboard/error_log.rb', line 305

def calculate_priority
  # Automatic priority calculation based on severity and frequency
  severity_weight = case severity
  when :critical then 3
  when :high then 2
  when :medium then 1
  else 0
  end

  frequency_weight = if occurrence_count >= 100
    3
  elsif occurrence_count >= 10
    2
  elsif occurrence_count >= 5
    1
  else
    0
  end

  # Take the higher of severity or frequency
  [ severity_weight, frequency_weight ].max
end

#calculate_priority_score ⇒ Object 



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# File 'app/models/rails_error_dashboard/error_log.rb', line 87

def calculate_priority_score
  return unless respond_to?(:priority_score=)
  self.priority_score = compute_priority_score
  save if persisted?
end

#can_transition_to?(new_status) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/rails_error_dashboard/error_log.rb', line 340

def can_transition_to?(new_status)
  # Define valid status transitions
  valid_transitions = {
    "new" => [ "in_progress", "investigating", "wont_fix" ],
    "in_progress" => [ "investigating", "resolved", "new" ],
    "investigating" => [ "resolved", "in_progress", "wont_fix" ],
    "resolved" => [ "new" ], # Can reopen if error recurs
    "wont_fix" => [ "new" ]  # Can reopen
  }

  valid_transitions[status]&.include?(new_status) || false
end

#co_occurring_errors(window_minutes: 5, min_frequency: 2, limit: 10) ⇒ Array<Hash>

Find errors that occur together in time

Parameters:

  • window_minutes (Integer) (defaults to: 5) —

    Time window in minutes (default: 5)

  • min_frequency (Integer) (defaults to: 2) —

    Minimum co-occurrence count (default: 2)

  • limit (Integer) (defaults to: 10) —

    Maximum results (default: 10)

Returns:

  • (Array<Hash>) —

    Array of ErrorLog, frequency: Integer, avg_delay_seconds: Float



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# File 'app/models/rails_error_dashboard/error_log.rb', line 460

def co_occurring_errors(window_minutes: 5, min_frequency: 2, limit: 10)
  return [] unless persisted?
  return [] unless RailsErrorDashboard.configuration.enable_co_occurring_errors
  return [] unless defined?(Queries::CoOccurringErrors)

  Queries::CoOccurringErrors.call(
    error_log_id: id,
    window_minutes: window_minutes,
    min_frequency: min_frequency,
    limit: limit
  )
end

#critical? ⇒ Boolean

Check if this is a critical error

Returns:

  • (Boolean) 


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# File 'app/models/rails_error_dashboard/error_log.rb', line 111

def critical?
  CRITICAL_ERROR_TYPES.include?(error_type)
end

#error_bursts(days: 7) ⇒ Array<Hash>

Detect error bursts (many errors in short time)

Parameters:

  • days (Integer) (defaults to: 7) —

    Number of days to analyze (default: 7)

Returns:

  • (Array<Hash>) —

    Array of burst metadata



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# File 'app/models/rails_error_dashboard/error_log.rb', line 526

def error_bursts(days: 7)
  return [] unless RailsErrorDashboard.configuration.enable_occurrence_patterns
  return [] unless defined?(Services::PatternDetector)

  Services::PatternDetector.detect_bursts(
    error_type: error_type,
    platform: platform,
    days: days
  )
end

#error_cascades(min_probability: 0.5) ⇒ Hash

Find cascade patterns (what causes this error, what this error causes)

Parameters:

  • min_probability (Float) (defaults to: 0.5) —

    Minimum cascade probability (0.0-1.0), default 0.5

Returns:

  • (Hash) —

    Array, children: Array of cascade patterns



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# File 'app/models/rails_error_dashboard/error_log.rb', line 476

def error_cascades(min_probability: 0.5)
  return { parents: [], children: [] } unless persisted?
  return { parents: [], children: [] } unless RailsErrorDashboard.configuration.enable_error_cascades
  return { parents: [], children: [] } unless defined?(Queries::ErrorCascades)

  Queries::ErrorCascades.call(error_id: id, min_probability: min_probability)
end

#generate_error_hash ⇒ Object

Generate unique hash for error grouping Includes controller/action/application for better context-aware grouping Per-app deduplication: same error in App A vs App B creates separate records



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# File 'app/models/rails_error_dashboard/error_log.rb', line 96

def generate_error_hash
  # Hash based on error class, normalized message, first stack frame, controller, action, and application
  digest_input = [
    error_type,
    message&.gsub(/\d+/, "N")&.gsub(/"[^"]*"/, '""'), # Normalize numbers and strings
    backtrace&.lines&.first&.split(":")&.first, # Just the file, not line number
    controller_name,  # Controller context
    action_name,      # Action context
    application_id.to_s  # Application context (for per-app deduplication)
  ].compact.join("|")

  Digest::SHA256.hexdigest(digest_input)[0..15]
end

#occurrence_pattern(days: 30) ⇒ Hash

Detect cyclical occurrence patterns (daily/weekly rhythms)

Parameters:

  • days (Integer) (defaults to: 30) —

    Number of days to analyze (default: 30)

Returns:

  • (Hash) —

    Pattern analysis result



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# File 'app/models/rails_error_dashboard/error_log.rb', line 512

def occurrence_pattern(days: 30)
  return {} unless RailsErrorDashboard.configuration.enable_occurrence_patterns
  return {} unless defined?(Services::PatternDetector)

  Services::PatternDetector.analyze_cyclical_pattern(
    error_type: error_type,
    platform: platform,
    days: days
  )
end

#priority_color ⇒ Object 



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# File 'app/models/rails_error_dashboard/error_log.rb', line 295

def priority_color
  case priority_level
  when 3 then "danger"    # Critical = red
  when 2 then "warning"   # High = orange
  when 1 then "info"      # Medium = blue
  when 0 then "secondary" # Low = gray
  else "light"
  end
end

#priority_label ⇒ Object

Priority methods



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# File 'app/models/rails_error_dashboard/error_log.rb', line 285

def priority_label
  case priority_level
  when 3 then "Critical"
  when 2 then "High"
  when 1 then "Medium"
  when 0 then "Low"
  else "Unset"
  end
end

#recent? ⇒ Boolean

Check if error is recent (< 1 hour)

Returns:

  • (Boolean) 


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# File 'app/models/rails_error_dashboard/error_log.rb', line 116

def recent?
  occurred_at >= 1.hour.ago
end

#related_errors(limit: 5, application_id: nil) ⇒ Object

Find related errors of the same type



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# File 'app/models/rails_error_dashboard/error_log.rb', line 393

def related_errors(limit: 5, application_id: nil)
  scope = self.class.where(error_type: error_type)
          .where.not(id: id)
  scope = scope.where(application_id: application_id) if application_id.present?
  scope.order(occurred_at: :desc).limit(limit)
end

#resolve!(resolution_data = {}) ⇒ Object

Mark error as resolved (delegates to Command)



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# File 'app/models/rails_error_dashboard/error_log.rb', line 237

def resolve!(resolution_data = {})
  Commands::ResolveError.call(id, resolution_data)
end

#set_defaults ⇒ Object 



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# File 'app/models/rails_error_dashboard/error_log.rb', line 70

def set_defaults
  self.platform ||= "API"
end

#set_release_info ⇒ Object 



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# File 'app/models/rails_error_dashboard/error_log.rb', line 81

def set_release_info
  return unless respond_to?(:app_version=)
  self.app_version ||= fetch_app_version
  self.git_sha ||= fetch_git_sha
end

#set_tracking_fields ⇒ Object 



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# File 'app/models/rails_error_dashboard/error_log.rb', line 74

def set_tracking_fields
  self.error_hash ||= generate_error_hash
  self.first_seen_at ||= Time.current
  self.last_seen_at ||= Time.current
  self.occurrence_count ||= 1
end

#severity ⇒ Object

Get severity level Checks custom severity rules first, then falls back to default classification



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# File 'app/models/rails_error_dashboard/error_log.rb', line 127

def severity
  # Check custom severity rules first
  custom_severity = RailsErrorDashboard.configuration.custom_severity_rules[error_type]
  return custom_severity.to_sym if custom_severity.present?

  # Fall back to default classification
  return :critical if CRITICAL_ERROR_TYPES.include?(error_type)
  return :high if HIGH_SEVERITY_ERROR_TYPES.include?(error_type)
  return :medium if MEDIUM_SEVERITY_ERROR_TYPES.include?(error_type)
  :low
end

#similar_errors(threshold: 0.6, limit: 10) ⇒ Array<Hash>

Find similar errors using fuzzy matching

Parameters:

  • threshold (Float) (defaults to: 0.6) —

    Minimum similarity score (0.0-1.0), default 0.6

  • limit (Integer) (defaults to: 10) —

    Maximum results, default 10

Returns:

  • (Array<Hash>) —

    Array of ErrorLog, similarity: Float



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# File 'app/models/rails_error_dashboard/error_log.rb', line 449

def similar_errors(threshold: 0.6, limit: 10)
  return [] unless persisted?
  return [] unless RailsErrorDashboard.configuration.enable_similar_errors
  Queries::SimilarErrors.call(id, threshold: threshold, limit: limit)
end

#snooze!(hours, reason: nil) ⇒ Object

Snooze methods



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# File 'app/models/rails_error_dashboard/error_log.rb', line 264

def snooze!(hours, reason: nil)
  snooze_until = hours.hours.from_now
  # Store snooze reason in comments if provided
  if reason.present?
    comments.create!(
      author_name: assigned_to || "System",
      body: "Snoozed for #{hours} hours: #{reason}"
    )
  end
  update!(snoozed_until: snooze_until)
end

#snoozed? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/rails_error_dashboard/error_log.rb', line 280

def snoozed?
  snoozed_until.present? && snoozed_until >= Time.current
end

#stale? ⇒ Boolean

Check if error is old unresolved (> 7 days)

Returns:

  • (Boolean) 


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# File 'app/models/rails_error_dashboard/error_log.rb', line 121

def stale?
  !resolved? && occurred_at < 7.days.ago
end

#status_badge_color ⇒ Object

Status transition methods



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# File 'app/models/rails_error_dashboard/error_log.rb', line 329

def status_badge_color
  case status
  when "new" then "primary"
  when "in_progress" then "info"
  when "investigating" then "warning"
  when "resolved" then "success"
  when "wont_fix" then "secondary"
  else "light"
  end
end

#unassign! ⇒ Object 



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# File 'app/models/rails_error_dashboard/error_log.rb', line 252

def unassign!
  update!(
    assigned_to: nil,
    assigned_at: nil
  )
end

#unsnooze! ⇒ Object 



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# File 'app/models/rails_error_dashboard/error_log.rb', line 276

def unsnooze!
  update!(snoozed_until: nil)
end

#update_status!(new_status, comment: nil) ⇒ Object 



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# File 'app/models/rails_error_dashboard/error_log.rb', line 353

def update_status!(new_status, comment: nil)
  return false unless can_transition_to?(new_status)

  transaction do
    update!(status: new_status)

    # Auto-resolve if status is "resolved"
    update!(resolved: true) if new_status == "resolved"

    # Add comment about status change
    if comment.present?
      comments.create!(
        author_name: assigned_to || "System",
        body: "Status changed to #{new_status}: #{comment}"
      )
    end
  end

  true
end