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

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)}%" }
    }
  ],
  ['not_cont', {
    arel_predicate: '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: 'eq',
    compounds: false,
    type: :boolean,
    validator: proc { |v| TRUE_VALUES.include?(v) }
    }
  ],
  ['false', {
    arel_predicate: 'eq',
    compounds: false,
    type: :boolean,
    validator: proc { |v| TRUE_VALUES.include?(v) },
    formatter: proc { |v| !v }
    }
  ],
  ['present', {
    arel_predicate: 'not_eq_all',
    compounds: false,
    type: :boolean,
    validator: proc { |v| TRUE_VALUES.include?(v) },
    formatter: proc { |v| [nil, ''] }
    }
  ],
  ['blank', {
    arel_predicate: 'eq_any',
    compounds: false,
    type: :boolean,
    validator: proc { |v| TRUE_VALUES.include?(v) },
    formatter: proc { |v| [nil, ''] }
    }
  ],
  ['null', {
    arel_predicate: 'eq',
    compounds: false,
    type: :boolean,
    validator: proc { |v| TRUE_VALUES.include?(v)},
    formatter: proc { |v| nil }
    }
  ],
  ['not_null', {
    arel_predicate: 'not_eq',
    compounds: false,
    type: :boolean,
    validator: proc { |v| TRUE_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 89

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