Module: Typingpool::App::FriendlyExceptions

Included in:
CLI
Defined in:
lib/typingpool/app/friendlyexceptions.rb

Instance Method Summary collapse

Instance Method Details

#with_friendly_exceptions(name, *input) ⇒ Object

Massages terse exceptions from our model layer into a human-friendly message suitable for an abort message from a command-line script.

Params

name

A string used to refer to the input. For example ‘project title’ or ‘–config argument’. Used in the goodbye message.

*input

One or more values. The user input that will cause any exceptions. Used in the goodbye message.

&block

The block to execute and monitor for exceptions. Will be passed [*input].

Errors

Will abort with a friendly message on any exception of the type Typingpool::Error::Argument.

Returns

The return value of &block.



21
22
23
24
25
26
27
28
29
30
31
 
# File 'lib/typingpool/app/friendlyexceptions.rb', line 21

def with_friendly_exceptions(name, *input)
  begin
    yield(*input)
  rescue Typingpool::Error::Argument => exception
    goodbye = "Could not make sense of #{name.to_s} "
    goodbye += input.map{|input| "'#{input}'" }.join(', ')
    goodbye += ". #{exception.message}"
    goodbye += '.' unless goodbye.match(/\.$/)
    abort goodbye
  end #begin
end