Class: String

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

Instance Method Summary collapse

Instance Method Details

#add_http_prefix ⇒ Object

Prefixes the given url with ‘http://’.



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# File 'lib/core_ext/core_ext.rb', line 106

def add_http_prefix
  return if self.blank?
  _uri = self.to_uri
  return self if _uri.nil? || _uri.is_a?(URI::FTP) || _uri.is_a?(URI::HTTP) || _uri.is_a?(URI::HTTPS) || _uri.is_a?(URI::LDAP) || _uri.is_a?(URI::MailTo)
  "http://#{self}"
end

#capitalize_words ⇒ Object

General methods



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# File 'lib/core_ext/core_ext.rb', line 33

def capitalize_words
  self.downcase.gsub(/\b([a-z])/) { $1.capitalize }.gsub( "'S", "'s" )
end

#expand_address_abbreviations ⇒ Object

Address methods



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

def expand_address_abbreviations
  _address = self.strip.capitalize_words

  # NOTE: DO NOT rearrange the replace sequences; order matters!

  # streets
  _address.gsub!( /\b(ave|av)\.?\b/i, 'Avenue ' )
  _address.gsub!( /\b(blvd|blv|bld|bl)\.?\b/i, 'Boulevard ' )
  _address.gsub!( /\bcr\.?\b/i, 'Circle ' )
  _address.gsub!( /\bctr\.?\b/i, 'Center ' )
  _address.gsub!( /\b(crt|ct)\.?\b/i, 'Court ' )
  _address.gsub!( /\bdr\.?\b/i, 'Drive ' )
  _address.gsub!( /\b(expressw|expw|expy)\.?\b/i, 'Expressway ' )
  _address.gsub!( /\bfrwy\.?\b/i, 'Freeway ' )
  _address.gsub!( /\bhwy\.?\b/i, 'Highway ' )
  _address.gsub!( /\bln\.?\b/i, 'Lane ' )
  _address.gsub!( /\b(prkwy|pkwy|pkw|pky)\.?\b/i, 'Parkway ' )
  _address.gsub!( /\bpk\.?\b/i, 'Pike ' )
  _address.gsub!( /\bplz\.?\b/i, 'Plaza ' )
  _address.gsub!( /\bpl\.?\b/i, 'Place ' )
  _address.gsub!( /\brd\.?\b/i, 'Road ' )
  _address.gsub!( /\b(rte|rt)\.?\b/i, 'Route ' )
  _address.gsub!( /\bste\.?\b/i, 'Suite ' )
  _address.gsub!( /\bst\.?\b/i, 'Street ' )
  _address.gsub!( /\btrpk\.?\b/i, 'Turnpike ' )
  _address.gsub!( /\btr\.?\b/i, 'Trail ' )

  # directions
  _address.gsub!( /\bN\.?e\.?\b/i, 'Northeast ' )
  _address.gsub!( /\bS\.?e\.?\b/i, 'Southeast ' )
  _address.gsub!( /\bS\.?w\.?\b/i, 'Southwest ' )
  _address.gsub!( /\bN\.?w\.?\b/i, 'Northwest ' )
  _address.gsub!( /\bN\.?\b/, 'North ' )
  _address.gsub!( /\bE\.?\b/, 'East ' )
  _address.gsub!( /\bS\.?\b/, 'South ' )
  _address.gsub!( /\bW\.?\b/, 'West ' )
  _address.gsub!( '.', '' )
  _address.gsub!( / +/, ' ' )
  _address.strip
end

#formatted_phone ⇒ Object 



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# File 'lib/core_ext/core_ext.rb', line 80

def formatted_phone
  if self
    # remove non-digit characters
    _self = self.gsub(/[\(\) -]+/, '')
    # format as phone if 10 digits are left
    return number_to_phone(_self, :area_code => true ) if !! (_self =~ /[0-9]{10}/)
  end

  self
end

#formatted_zip ⇒ Object 



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# File 'lib/core_ext/core_ext.rb', line 91

def formatted_zip
  return if self.blank?
  self.gsub!( /[\(\) -]+/, '' )
  self.size == 9 ? "#{self[0 .. 4]}-#{self[5 .. -1]}" : self
end

#has_http? ⇒ Boolean

Returns true if a given string begins with http:// or https://.

Returns:

  • (Boolean) 


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# File 'lib/core_ext/core_ext.rb', line 114

def has_http?
  !! (self =~ /^http[s]?:\/\/.+/)
end

#has_trailing_slash? ⇒ Boolean

Returns true if a given string has a trailing slash.

Returns:

  • (Boolean) 


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# File 'lib/core_ext/core_ext.rb', line 119

def has_trailing_slash?
  !! (self =~ /\/$/)
end

#is_page? ⇒ Boolean

Returns true if a given string refers to an HTML page.

Returns:

  • (Boolean) 


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# File 'lib/core_ext/core_ext.rb', line 124

def is_page?
  !! (self =~ /\.htm[l]?$/)
end

#to_12_hour_time ⇒ Object

Time methods



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# File 'lib/core_ext/core_ext.rb', line 99

def to_12_hour_time
  (self == '0' || self.blank?) ? nil : Time.parse( "#{self[0..-3]}:#{self[-2..-1]}" ).to_s( :time ).gsub(/^0/, '')
end

#to_host ⇒ Object

Returns the host from a given URL string; returns nil if the string is not a valid URL.



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# File 'lib/core_ext/core_ext.rb', line 129

def to_host
  _uri = self.to_uri
  _uri ? _uri.host : nil
end

#to_uri ⇒ Object

Returns a URI for the given string; nil if the string is invalid.



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

def to_uri
  begin
    _uri = URI.parse self
  rescue URI::InvalidURIError
    _uri = nil
  end

  _uri
end

#valid_http_url? ⇒ Boolean

Returns true if the given string is a valid URL.

Returns:

  • (Boolean) 


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# File 'lib/core_ext/core_ext.rb', line 146

def valid_http_url?
  self.scan(/:\/\//).size == 1 && self.to_uri.is_a?(URI::HTTP)
end