Exception: Lux::Error

Inherits:
StandardError
  • Object
show all
Defined in:
lib/lux/error/error.rb

Overview

default error handler for lux e = Lux::Error.new 404 e.code => 404 e.message => ‘Not Found’

e = Lux::Error.not_found(‘foo’) e.code => 404 e.message => foo

Direct Known Subclasses

AutoRaise

Defined Under Namespace

Classes: AutoRaise

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(code_num, message = nil) ⇒ Error

Returns a new instance of Error.



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# File 'lib/lux/error/error.rb', line 173

def initialize code_num, message=nil
  self.code = code_num
  @message = message || CODE_LIST[code_num][:name]
end

Instance Attribute Details

#message ⇒ Object

Returns the value of attribute message.



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# File 'lib/lux/error/error.rb', line 171

def message
  @message
end

Class Method Details

.inline(name, error = nil) ⇒ Object

render error inline or break in production



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# File 'lib/lux/error/error.rb', line 114

def inline name, error=nil
  error ||= $!

  unless Lux.config(:dump_errors)
    key = log error
    render "Lux inline error: %s\n\nkey: %s" % [error.message, key]
  end

  name ||= 'Undefined name'
  msg    = error.message.to_s.gsub('","',%[",\n "]).gsub('<','&lt;')

  dmp = split_backtrace error

  dmp[0] = dmp[0].map { |_| _ = _.split(':', 3); '<b>%s</b> - %s - %s' % _ }

  log error

  <<~TEXT
    <pre style="color:red; background:#eee; padding:10px; font-family:'Lucida Console'; line-height:15pt; font-size:11pt;">
    <b style="font-size:110%;">#{name}</b>

    <b>#{error}: #{msg}</b>

    #{dmp[0].join("\n")}

    #{dmp[1].join("\n")}
    </pre>
  TEXT
end

.log(error) ⇒ Object 



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# File 'lib/lux/error/error.rb', line 150

def log error
  Lux.config.error_logger.call error
end

.render(text, status = 500) ⇒ Object

template to show full error page



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# File 'lib/lux/error/error.rb', line 107

def render text, status=500
  Lux.current.response.status status
  Lux.current.response.body Lux.config.server_error_template.call(text)
  throw :done
end

.report(code, msg = nil) ⇒ Object 



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# File 'lib/lux/error/error.rb', line 144

def report code, msg=nil
  e = Integer === code ? Lux::Error.new(code) : Lux::Error.send(code)
  e.message = msg if msg
  raise e
end

.split_backtrace(error) ⇒ Object 



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# File 'lib/lux/error/error.rb', line 154

def split_backtrace error
  # split app log rest of the log
  dmp = [[], []]

  root = Lux.root.to_s

  error.backtrace.each do |line|
    line = line.sub(root, '.')
    dmp[line[0,1] == '.' ? 0 : 1].push line
  end

  dmp
end

Instance Method Details

#code ⇒ Object 



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# File 'lib/lux/error/error.rb', line 178

def code
  # 400 is a default
  @code || 400
end

#code=(num) ⇒ Object 



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# File 'lib/lux/error/error.rb', line 183

def code= num
  @code = num.to_i

  raise 'Status code %s not found' % @code unless CODE_LIST[@code]
end

#render ⇒ Object 



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# File 'lib/lux/error/error.rb', line 189

def render
  self.class.render message, code
end