Module: ActsAsTaggableOn::Utils

Defined in:
lib/acts_as_taggable_on/utils.rb

Class Method Summary collapse

Class Method Details

.connection ⇒ Object

Use ActsAsTaggableOn::Tag connection



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# File 'lib/acts_as_taggable_on/utils.rb', line 9

def connection
  ActsAsTaggableOn::Tag.connection
end

.escape_like(str) ⇒ Object

escape _ and % characters in strings, since these are wildcards in SQL.



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# File 'lib/acts_as_taggable_on/utils.rb', line 30

def escape_like(str)
  str.gsub(/[!%_]/) { |x| "!#{x}" }
end

.like_operator ⇒ Object 



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# File 'lib/acts_as_taggable_on/utils.rb', line 25

def like_operator
  using_postgresql? ? 'ILIKE' : 'LIKE'
end

.sha_prefix(string) ⇒ Object 



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# File 'lib/acts_as_taggable_on/utils.rb', line 21

def sha_prefix(string)
  Digest::SHA1.hexdigest(string)[0..6]
end

.using_mysql? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/acts_as_taggable_on/utils.rb', line 17

def using_mysql?
  connection && connection.adapter_name == 'Mysql2'
end

.using_postgresql? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/acts_as_taggable_on/utils.rb', line 13

def using_postgresql?
  connection && %w[PostgreSQL PostGIS].include?(connection.adapter_name)
end