Class: ActiveRecord::Base

Inherits:
Object
  • Object
show all
Defined in:
lib/doesprettyurls.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.doesprettyurls(opts = {}) ⇒ Object

Call this method within your class to get fancy URLs



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# File 'lib/doesprettyurls.rb', line 27

def self.doesprettyurls(opts={})
  self.instance_eval do
    cattr_accessor :pretty_param_attribute
    cattr_accessor :pretty_param_proc
    cattr_accessor :pretty_param_reverse_proc

    # Typical use case is to send a column/attribute name:
    @@pretty_param_attribute = opts[:attribute] || :name

    # A Proc may also be sent for realtime URL beautification:
    if opts[:proc]
      @@pretty_param_proc = opts[:proc]
    end
    
  end
end

.from_param(param) ⇒ Object

We need to help ActiveRecord go back the other way:



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# File 'lib/doesprettyurls.rb', line 55

def self.from_param(param)
  find(param.to_i)
end

Instance Method Details

#to_param ⇒ Object

Provide a mechanism to automagically “slugify” URL parameters



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# File 'lib/doesprettyurls.rb', line 45

def to_param
  slug_source = if pretty_param_proc
    pretty_param_proc.call(self)
  else
    self.send(pretty_param_attribute)
  end
  "#{id}-#{slug_source.downcase.gsub("'", "").gsub(/[^a-z1-9]+/i, "-")}"
end