Module: Ransack::Constants

Defined in:

lib/ransack/constants.rb

Constant Summary

TRUE_VALUES =

[true, 1, '1', 't', 'T', 'true', 'TRUE'].to_set

FALSE_VALUES =

[false, 0, '0', 'f', 'F', 'false', 'FALSE'].to_set

BOOLEAN_VALUES =

TRUE_VALUES + FALSE_VALUES

AREL_PREDICATES =

%w(eq not_eq matches does_not_match lt lteq gt gteq in not_in)

DERIVED_PREDICATES =

[
  ['cont', {
    :arel_predicate => 'matches',
    :formatter => proc { |v| "%#{escape_wildcards(v)}%" }
    }
  ],
  ['i_cont', {
    :arel_predicate => 'i_matches',
    :formatter => proc { |v| "%#{escape_wildcards(v)}%" }
  }
  ],
  ['not_cont', {
    :arel_predicate => 'does_not_match',
    :formatter => proc { |v| "%#{escape_wildcards(v)}%" }
    }
  ],
  ['i_not_cont', {
    :arel_predicate => 'i_does_not_match',
    :formatter => proc { |v| "%#{escape_wildcards(v)}%" }
  }
  ],
  ['start', {
    :arel_predicate => 'matches',
    :formatter => proc { |v| "#{escape_wildcards(v)}%" }
    }
  ],
  ['not_start', {
    :arel_predicate => 'does_not_match',
    :formatter => proc { |v| "#{escape_wildcards(v)}%" }
    }
  ],
  ['end', {
    :arel_predicate => 'matches',
    :formatter => proc { |v| "%#{escape_wildcards(v)}" }
    }
  ],
  ['not_end', {
    :arel_predicate => 'does_not_match',
    :formatter => proc { |v| "%#{escape_wildcards(v)}" }
    }
  ],
  ['true', {
    :arel_predicate => proc { |v| v ? 'eq' : 'not_eq' },
    :compounds => false,
    :type => :boolean,
    :validator => proc { |v| BOOLEAN_VALUES.include?(v) },
    :formatter => proc { |v| true }
    }
  ],
  ['not_true', {
    :arel_predicate => proc { |v| v ? 'not_eq' : 'eq' },
    :compounds => false,
    :type => :boolean,
    :validator => proc { |v| BOOLEAN_VALUES.include?(v) },
    :formatter => proc { |v| true }
    }
  ],
  ['false', {
    :arel_predicate => proc { |v| v ? 'eq' : 'not_eq' },
    :compounds => false,
    :type => :boolean,
    :validator => proc { |v| BOOLEAN_VALUES.include?(v) },
    :formatter => proc { |v| false }
    }
  ],
  ['not_false', {
    :arel_predicate => proc { |v| v ? 'not_eq' : 'eq' },
    :compounds => false,
    :type => :boolean,
    :validator => proc { |v| BOOLEAN_VALUES.include?(v) },
    :formatter => proc { |v| false }
    }
  ],
  ['present', {
    :arel_predicate => proc { |v| v ? 'not_eq_all' : 'eq_any' },
    :compounds => false,
    :type => :boolean,
    :validator => proc { |v| BOOLEAN_VALUES.include?(v) },
    :formatter => proc { |v| [nil, ''] }
    }
  ],
  ['blank', {
    :arel_predicate => proc { |v| v ? 'eq_any' : 'not_eq_all' },
    :compounds => false,
    :type => :boolean,
    :validator => proc { |v| BOOLEAN_VALUES.include?(v) },
    :formatter => proc { |v| [nil, ''] }
    }
  ],
  ['null', {
    :arel_predicate => proc { |v| v ? 'eq' : 'not_eq' },
    :compounds => false,
    :type => :boolean,
    :validator => proc { |v| BOOLEAN_VALUES.include?(v)},
    :formatter => proc { |v| nil }
    }
  ],
  ['not_null', {
    :arel_predicate => proc { |v| v ? 'not_eq' : 'eq' },
    :compounds => false,
    :type => :boolean,
    :validator => proc { |v| BOOLEAN_VALUES.include?(v) },
    :formatter => proc { |v| nil } }
  ]
]

Class Method Summary

• .escape_wildcards(unescaped) ⇒ Object

  replace % \ to % \.

Class Method Details

.escape_wildcards(unescaped) ⇒ Object

replace % \ to % \

# File 'lib/ransack/constants.rb', line 117

def escape_wildcards(unescaped)
  case ActiveRecord::Base.connection.adapter_name
  when "Mysql2", "PostgreSQL"
    # Necessary for PostgreSQL and MySQL
    unescaped.to_s.gsub(/([\\|\%|.])/, '\\\\\\1')
  else
    unescaped
  end
end