Exception: StandardError

Inherits:
Exception
  • Object
show all
Defined in:
lib/coaster/core_ext/standard_error.rb,
lib/coaster/core_ext/standard_error/raven.rb,
lib/coaster/core_ext/standard_error/sentry.rb

Constant Summary collapse

DEFAULT_INSPECTION_VARS = 
%i[@attributes @tkey @fingerprint @tags @level]
DEFAULT_INSPECTION_VALUE_PROC = 
Proc.new{|val| val.inspect}

Class Attribute Summary collapse

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(message = nil, cause = $!) ⇒ StandardError

Returns a new instance of StandardError.



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# File 'lib/coaster/core_ext/standard_error.rb', line 68

def initialize(message = nil, cause = $!)
  @fingerprint = Coaster.default_fingerprint.dup
  @tags = {}
  @level = 'error'
  @attributes = HashWithIndifferentAccess.new
  @tkey = nil
  if cause && cause.is_a?(StandardError)
    @fingerprint = cause.fingerprint.dup
    @tags = cause.tags.dup
    @level = cause.level
    @tkey = cause.tkey
    @attributes = cause.attributes.dup
  end

  case message
  when StandardError
    @fingerprint = [message.fingerprint, @fingerprint].flatten.compact.uniq
    @tags = @tags.merge(message.tags || {})
    @level = message.level
    @tkey = message.tkey
    @attributes = @attributes.merge(message.attributes || {})
    msg = message.message
  when Exception
    msg = message.message
  when Hash then
    @coaster = true # coaster 확장을 사용한 에러임을 확인할 수 있음.
    hash = message.with_indifferent_access rescue message
    msg = hash.delete(:m)
    msg = hash.delete(:msg) || msg
    msg = hash.delete(:message) || msg
    hash[:description] ||= hash.delete(:desc) if hash[:desc].present?
    @fingerprint = hash.delete(:fingerprint) || hash.delete(:fingerprints)
    @tags = hash.delete(:tags) || hash.delete(:tag)
    @level = hash.delete(:level) || hash.delete(:severity) || @level
    @tkey = hash.delete(:tkey)
    @attributes.merge!(hash)
    if @attributes[:description] == :translate
      @attributes.delete(:description)
      @attributes[:description] = _translate
    end
    msg = "#{_translate} (#{msg || self.class.name})"
    msg = "#{msg} cause{#{cause.message}}" if cause
  when String then
    msg = message
  when FalseClass, NilClass then
    msg = nil
  else
    msg = message
  end

  @fingerprint = [] unless @fingerprint.is_a?(Array)
  @tags = {} unless @tags.is_a?(Hash)
  msg = "{#{cause.message}}" if msg.blank? && cause
  super(msg)
  @digest_message = self.class.digest_message(msg)
  set_backtrace(message.backtrace) if message.is_a?(Exception)
  @fingerprint << @digest_message
  @fingerprint << digest_backtrace
  @fingerprint.compact!
  self
end

Class Attribute Details

.inspection_value_proc ⇒ Object 



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# File 'lib/coaster/core_ext/standard_error.rb', line 22

def inspection_value_proc; @inspection_value_proc ||= superclass.respond_to?(:inspection_value_proc) ? superclass.inspection_value_proc : DEFAULT_INSPECTION_VALUE_PROC end

Instance Attribute Details

#fingerprint ⇒ Object

Returns the value of attribute fingerprint.



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# File 'lib/coaster/core_ext/standard_error.rb', line 66

def fingerprint
  @fingerprint
end

#level ⇒ Object

Returns the value of attribute level.



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# File 'lib/coaster/core_ext/standard_error.rb', line 66

def level
  @level
end

#raven ⇒ Object 



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# File 'lib/coaster/core_ext/standard_error/raven.rb', line 10

def raven
  @raven ||= {}.with_indifferent_access
end

#tags ⇒ Object

Returns the value of attribute tags.



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# File 'lib/coaster/core_ext/standard_error.rb', line 66

def tags
  @tags
end

#tkey ⇒ Object

Returns the value of attribute tkey.



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# File 'lib/coaster/core_ext/standard_error.rb', line 66

def tkey
  @tkey
end

Class Method Details

.after_logging(name, &block) ⇒ Object 



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# File 'lib/coaster/core_ext/standard_error.rb', line 56

def after_logging(name, &block)
  @after_logging_blocks ||= {}
  @after_logging_blocks[name] = block
end

.after_logging_blocks ⇒ Object 



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# File 'lib/coaster/core_ext/standard_error.rb', line 60

def after_logging_blocks
  @after_logging_blocks ||= {}
  superclass <= StandardError ? superclass.after_logging_blocks.merge(@after_logging_blocks) : @after_logging_blocks
end

.before_logging(name, &block) ⇒ Object 



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# File 'lib/coaster/core_ext/standard_error.rb', line 47

def before_logging(name, &block)
  @before_logging_blocks ||= {}
  @before_logging_blocks[name] = block
end

.before_logging_blocks ⇒ Object 



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# File 'lib/coaster/core_ext/standard_error.rb', line 51

def before_logging_blocks
  @before_logging_blocks ||= {}
  superclass <= StandardError ? superclass.before_logging_blocks.merge(@before_logging_blocks) : @before_logging_blocks
end

.code ⇒ Object

Unknown



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# File 'lib/coaster/core_ext/standard_error.rb', line 16

def status; 999999 end

.digest_message(message) ⇒ Object 



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# File 'lib/coaster/core_ext/standard_error.rb', line 31

def digest_message(message)
  m = message.to_s.dup
  mat = m.match(/#\<.*0x(?<object_id>\S+)[\s\>]/)
  m = message.gsub(/#{mat[:object_id]}/, 'X'*mat[:object_id].size) if mat
  m = "#{name} #{m}"
  Digest::MD5.hexdigest(m)[0...6]
end

.http_status ⇒ Object 



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# File 'lib/coaster/core_ext/standard_error.rb', line 17

def http_status;  500 end

.inspection_value_simple(val) ⇒ Object 



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# File 'lib/coaster/core_ext/standard_error.rb', line 23

def inspection_value_simple(val)
  case val
  when Array then val.map{|v| inspection_value_simple(v)}
  when Hash then Hash[val.map{|k,v| [k, inspection_value_simple(v)]}]
  when String, Numeric, TrueClass, FalseClass then val
  else val.class.name
  end
end

.inspection_vars ⇒ Object 



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# File 'lib/coaster/core_ext/standard_error.rb', line 21

def inspection_vars; @inspection_vars ||= DEFAULT_INSPECTION_VARS.dup end

.intentional? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/coaster/core_ext/standard_error.rb', line 19

def intentional?; false end

.report? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/coaster/core_ext/standard_error.rb', line 18

def report?;      true end

.status ⇒ Object

Unknown



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# File 'lib/coaster/core_ext/standard_error.rb', line 15

def status; 999999 end

.title ⇒ Object 



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# File 'lib/coaster/core_ext/standard_error.rb', line 20

def title; _translate('.title') end

.user_digests_with!(&block) ⇒ Object 



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# File 'lib/coaster/core_ext/standard_error.rb', line 39

def user_digests_with!(&block)
  define_method(:user_digests, &block)
end

.user_digests_with_default! ⇒ Object 



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# File 'lib/coaster/core_ext/standard_error.rb', line 43

def user_digests_with_default!
  define_method(:user_digests) { _user_digests }
end

Instance Method Details

#_translate(*args) ⇒ Object 



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# File 'lib/coaster/core_ext/standard_error.rb', line 176

def _translate(*args)
  return description if description.present?
  super
end

#_translate_params ⇒ Object 



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# File 'lib/coaster/core_ext/standard_error.rb', line 181

def _translate_params
  attributes
end

#_user_digests ⇒ Object Also known as: user_digests 



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# File 'lib/coaster/core_ext/standard_error.rb', line 133

def _user_digests; "#{[digest_message, digest_backtrace].compact.join(' ')}" end

#after_logging_blocks ⇒ Object 



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# File 'lib/coaster/core_ext/standard_error.rb', line 137

def after_logging_blocks; self.class.after_logging_blocks end

#attributes ⇒ Object Also known as: attr 



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# File 'lib/coaster/core_ext/standard_error.rb', line 140

def attributes
  return @attributes if defined?(@attributes)
  @attributes = HashWithIndifferentAccess.new
  if cause && cause.respond_to?(:attributes) && cause.attributes.is_a?(Hash)
    @attributes = @attributes.merge(cause.attributes)
  end
  @attributes
end

#before_logging_blocks ⇒ Object 



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# File 'lib/coaster/core_ext/standard_error.rb', line 136

def before_logging_blocks; self.class.before_logging_blocks end

#capture(options = {}) ⇒ Object 



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# File 'lib/coaster/core_ext/standard_error/raven.rb', line 39

def capture(options = {})
  return if options.key?(:report) && !options[:report]
  return unless report?
  nt = notes(options)
  Raven.capture_exception(self, level: nt[:level]) do |event|
    event.user.merge!(nt[:user] || {})
    event.tags.merge!(nt[:tags])
    event.extra.merge!(nt[:extra])
    event.fingerprint = raven_fingerprint
  end
rescue => e
  msg = "#{e.class.name}: #{e.message}"
  msg += "\n\t" + e.backtrace.join("\n\t")
  Raven.logger.error(msg)
end

#cleaned_backtrace(options = {}) ⇒ Object 



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# File 'lib/coaster/core_ext/standard_error.rb', line 310

def cleaned_backtrace(options = {})
  return unless backtrace
  cl = options[:cleaner] || cleaner
  return backtrace unless cl
  bt = cl.clean(backtrace)
  bt = bt[0..2] if intentional?
  bt
end

#code ⇒ Object 



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# File 'lib/coaster/core_ext/standard_error.rb', line 152

def code;         attributes[:code] || status end

#code=(value) ⇒ Object 



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# File 'lib/coaster/core_ext/standard_error.rb', line 153

def code=(value); attributes[:code] = value end

#description ⇒ Object Also known as: desc

description is user friendly message as a attribute, do not use error’s message error message is not user friendly in many cases.



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# File 'lib/coaster/core_ext/standard_error.rb', line 173

def description; attributes[:description] || attributes[:desc] end

#descriptions ⇒ Object

another user friendly messages



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# File 'lib/coaster/core_ext/standard_error.rb', line 195

def descriptions
  return attributes[:descriptions] if attributes[:descriptions]
  attributes[:descriptions] = {}
  attributes[:descriptions]
end

#detail ⇒ Object 



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# File 'lib/coaster/core_ext/standard_error.rb', line 155

def detail;       attributes[:detail] end

#digest_backtrace ⇒ Object 



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# File 'lib/coaster/core_ext/standard_error.rb', line 132

def digest_backtrace; @digest_backtrace ||= backtrace ? Digest::MD5.hexdigest(cleaned_backtrace.join("\n"))[0...8] : nil end

#digest_message ⇒ Object 



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# File 'lib/coaster/core_ext/standard_error.rb', line 131

def digest_message; @digest_message ||= self.class.digest_message(message) end

#http_status ⇒ Object 



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# File 'lib/coaster/core_ext/standard_error.rb', line 150

def http_status;         attributes[:http_status] || self.class.http_status end

#http_status=(value) ⇒ Object 



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# File 'lib/coaster/core_ext/standard_error.rb', line 151

def http_status=(value); attributes[:http_status] = value end

#initialize_original ⇒ StandardError

Returns a new instance of StandardError.

Returns:



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# File 'lib/coaster/core_ext/standard_error/raven.rb', line 4

def initialize(message = nil, cause = $!)
  @fingerprint = Coaster.default_fingerprint.dup
  @tags = {}
  @level = 'error'
  @attributes = HashWithIndifferentAccess.new
  @tkey = nil
  if cause && cause.is_a?(StandardError)
    @fingerprint = cause.fingerprint.dup
    @tags = cause.tags.dup
    @level = cause.level
    @tkey = cause.tkey
    @attributes = cause.attributes.dup
  end

  case message
  when StandardError
    @fingerprint = [message.fingerprint, @fingerprint].flatten.compact.uniq
    @tags = @tags.merge(message.tags || {})
    @level = message.level
    @tkey = message.tkey
    @attributes = @attributes.merge(message.attributes || {})
    msg = message.message
  when Exception
    msg = message.message
  when Hash then
    @coaster = true # coaster 확장을 사용한 에러임을 확인할 수 있음.
    hash = message.with_indifferent_access rescue message
    msg = hash.delete(:m)
    msg = hash.delete(:msg) || msg
    msg = hash.delete(:message) || msg
    hash[:description] ||= hash.delete(:desc) if hash[:desc].present?
    @fingerprint = hash.delete(:fingerprint) || hash.delete(:fingerprints)
    @tags = hash.delete(:tags) || hash.delete(:tag)
    @level = hash.delete(:level) || hash.delete(:severity) || @level
    @tkey = hash.delete(:tkey)
    @attributes.merge!(hash)
    if @attributes[:description] == :translate
      @attributes.delete(:description)
      @attributes[:description] = _translate
    end
    msg = "#{_translate} (#{msg || self.class.name})"
    msg = "#{msg} cause{#{cause.message}}" if cause
  when String then
    msg = message
  when FalseClass, NilClass then
    msg = nil
  else
    msg = message
  end

  @fingerprint = [] unless @fingerprint.is_a?(Array)
  @tags = {} unless @tags.is_a?(Hash)
  msg = "{#{cause.message}}" if msg.blank? && cause
  super(msg)
  @digest_message = self.class.digest_message(msg)
  set_backtrace(message.backtrace) if message.is_a?(Exception)
  @fingerprint << @digest_message
  @fingerprint << digest_backtrace
  @fingerprint.compact!
  self
end

#inspection_value_proc ⇒ Object 



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# File 'lib/coaster/core_ext/standard_error.rb', line 225

def inspection_value_proc
  attributes[:inspection_value_proc] || self.class.inspection_value_proc
end

#inspection_vars ⇒ Object 



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# File 'lib/coaster/core_ext/standard_error.rb', line 221

def inspection_vars
  (self.class.inspection_vars + (attributes[:inspection_vars] || [])).map(&:to_sym).compact.uniq
end

#intentional? ⇒ Boolean

not logging in test

Returns:

  • (Boolean) 


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# File 'lib/coaster/core_ext/standard_error.rb', line 163

def intentional? # not logging in test
  return attributes[:intentional] if attributes.key?(:intentional)
  return true if it_should_not_happen?
  self.class.intentional?
end

#it_might_happen? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/coaster/core_ext/standard_error.rb', line 156

def it_might_happen?;      attributes[:it] == :might_happen      end

#it_should_not_happen? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/coaster/core_ext/standard_error.rb', line 157

def it_should_not_happen?; attributes[:it] == :should_not_happen end

#just_logging ⇒ Object

options

:logger
:cleaner
:fingerprint
:tags
:level
:extra
:report
and others are merged to extra



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# File 'lib/coaster/core_ext/standard_error/raven.rb', line 64

def logging(options = {})
  before_logging_blocks.values.each { |blk| instance_exec(&blk) }

  if !report? || intentional?
    if defined?(Rails)
      return if Rails.env.test?
    else
      return
    end
  end

  logger = options[:logger] || Coaster.logger
  return unless logger

  msg = to_inspection_s(options: options)

  if level && logger.respond_to?(level)
    logger.send(level, msg)
  else
    logger.error(msg)
  end
  msg
ensure
  after_logging_blocks.values.each { |blk| instance_exec(&blk) }
end

#logging(options = {}) ⇒ Object 



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# File 'lib/coaster/core_ext/standard_error.rb', line 319

def logging(options = {})
  before_logging_blocks.values.each { |blk| instance_exec(&blk) }

  if !report? || intentional?
    if defined?(Rails)
      return if Rails.env.test?
    else
      return
    end
  end

  logger = options[:logger] || Coaster.logger
  return unless logger

  msg = to_inspection_s(options: options)

  if level && logger.respond_to?(level)
    logger.send(level, msg)
  else
    logger.error(msg)
  end
  msg
ensure
  after_logging_blocks.values.each { |blk| instance_exec(&blk) }
end

#notes(options = {}) ⇒ Object 



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# File 'lib/coaster/core_ext/standard_error/raven.rb', line 26

def notes(options = {})
  opts = options ? options.dup : {}
  extra_opts = opts.slice!(:fingerprint, :tags, :level, :extra)
  opts[:extra] = extra_opts.merge(opts[:extra] || {})
  nt = raven.merge(opts)

  nt[:tags] ||= (tags && tags.merge(nt[:tags] || {})) || {}
  nt[:tags] = nt[:tags].merge(environment: Rails.env) if defined?(Rails)
  nt[:level] ||= self.level
  nt[:extra] = attributes.merge(nt[:extra])
  nt
end

#object ⇒ Object Also known as: obj 



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# File 'lib/coaster/core_ext/standard_error.rb', line 168

def object;       attributes[:object] || attributes[:obj] end

#rails_tag ⇒ Object 



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# File 'lib/coaster/core_ext/standard_error.rb', line 298

def rails_tag
  (fingerprint || Coaster.default_fingerprint).flatten.map do |fp|
    if fp == true || fp == :class
      self.class.name
    elsif fp == :default || fp == '{{ default }}'
      nil
    else
      fp
    end
  end.compact
end

#raven_fingerprint ⇒ Object 



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# File 'lib/coaster/core_ext/standard_error/raven.rb', line 14

def raven_fingerprint
  (fingerprint || Coaster.default_fingerprint).flatten.map do |fp|
    if fp == true || fp == :class
      self.class.name
    elsif fp == :default
      '{{ default }}'
    else
      fp
    end
  end.flatten
end

#report? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/coaster/core_ext/standard_error.rb', line 158

def report?
  return attributes[:report] if attributes.key?(:report)
  return false if it_might_happen?
  self.class.report?
end

#root_cause ⇒ Object 



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# File 'lib/coaster/core_ext/standard_error.rb', line 138

def root_cause;   cause.respond_to?(:root_cause) ? cause.root_cause : self end

#safe_message ⇒ Object 



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# File 'lib/coaster/core_ext/standard_error.rb', line 130

def safe_message; message || '' end

#status ⇒ Object 



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# File 'lib/coaster/core_ext/standard_error.rb', line 135

def status;       self.class.status end

#title ⇒ Object 



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# File 'lib/coaster/core_ext/standard_error.rb', line 154

def title;        attributes[:title] || self.class.title end

#to_hash(_h: {}.with_indifferent_access, _depth: 0) ⇒ Object 



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# File 'lib/coaster/core_ext/standard_error.rb', line 201

def to_hash(_h: {}.with_indifferent_access, _depth: 0)
  _h.merge!(attributes)
  _h.merge!(
    type: self.class.name, status: status,
    http_status: http_status, message: message
  )
  if _depth < 4 && cause
    if cause.respond_to?(:to_hash)
      _h[:cause] = cause.to_hash(_depth: _depth + 1)
    else
      _h[:cause_object] = cause
    end
  end
  _h
end

#to_inspection_hash(options: {}, _h: {}.with_indifferent_access, _depth: 0) ⇒ Object 



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# File 'lib/coaster/core_ext/standard_error.rb', line 229

def to_inspection_hash(options: {}, _h: {}.with_indifferent_access, _depth: 0)
  _h.merge!(
    type: self.class.name, status: status,
    http_status: http_status, message: message,
    instance_variables: {}.with_indifferent_access
  )
  instance_variables.sort.each do |var|
    if inspection_vars.include?(var)
      val = instance_variable_get(var)
      val = inspection_value_proc.call(val) rescue val.to_s
      _h[:instance_variables][var] = val
    elsif var.to_s.start_with?('@__')
      next
    else
      val = instance_variable_get(var)
      _h[:instance_variables][var] = self.class.inspection_value_simple(val)
    end
  end
  if backtrace.present?
    if respond_to?(:cleaned_backtrace)
      if (bt = cleaned_backtrace(options))
        _h[:backtrace] = bt
      else
        _h[:backtrace] = backtrace[0...ActiveSupport::BacktraceCleaner.minimum_first]
      end
    else
      _h[:backtrace] = backtrace[0...ActiveSupport::BacktraceCleaner.minimum_first]
    end
  end
  if cause
    if _depth < 4
      if cause.respond_to?(:to_inspection_hash)
        _h[:cause] = cause.to_inspection_hash(options: options, _depth: _depth + 1)
      else
        cause_h = {
          type: self.class.name, status: status,
          http_status: http_status, message: message,
        }
        cause_h.merge!(backtrace: cause.backtrace[0...ActiveSupport::BacktraceCleaner.minimum_first])
        _h[:cause] = cause_h
      end
    else
      _h[:cause] = 'and more causes...'
    end
  end
  _h
end

#to_inspection_s(options: {}, _dh: nil) ⇒ Object Also known as: to_detail 



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# File 'lib/coaster/core_ext/standard_error.rb', line 277

def to_inspection_s(options: {}, _dh: nil)
  dh = _dh || to_inspection_hash(options: options, _h: {}.with_indifferent_access, _depth: 0)
  lg = "[#{dh[:type]}] status:#{dh[:status]}"
  lg += "\n  MESSAGE: #{dh[:message]&.gsub(/\n/, "\n    ")}"
  dh[:instance_variables]&.each do |var, val|
    lg += "\n  #{var}: #{val}"
  end
  if (bt = dh[:backtrace] || [])
    lg += "\n  BACKTRACE:\n    "
    lg += bt.join("\n    ")
  end
  if dh[:cause].is_a?(Hash)
    lg += "\n  CAUSE: "
    lg += to_inspection_s(options: options, _dh: dh[:cause]).strip.gsub(/\n/, "\n  ")
  elsif dh[:cause].is_a?(String)
    lg += dh[:cause]
  end
  lg << "\n"
end

#to_json(options = {}) ⇒ Object 



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# File 'lib/coaster/core_ext/standard_error.rb', line 217

def to_json(options = {})
  Oj.dump(to_hash.with_indifferent_access, mode: :compat)
end

#user_message ⇒ Object

user friendly message, for overid



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# File 'lib/coaster/core_ext/standard_error.rb', line 186

def user_message
  return _translate if description.present? || tkey.present?
  return "#{_translate} (#{user_digests})" unless defined?(@coaster)
  message
rescue => e
  "#{message} (user_message_error - #{e.class.name} #{e.message})"
end