Module: Webhookdb::Postgres::Validations

Defined in:
lib/webhookdb/postgres/validations.rb

Instance Method Summary collapse

Instance Method Details

#validates_all_or_none(*cols, predicate: :nil?) ⇒ Object

Ensures that either all of the passed columns are nil or none of them are.



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# File 'lib/webhookdb/postgres/validations.rb', line 15

def validates_all_or_none(*cols, predicate: :nil?)
  truthy_cols = cols.find_all { |col| !self[col].send(predicate) }

  return if truthy_cols.empty? || truthy_cols.length == cols.length

  msg = "the columns #{cols[1..].join(', ')} must all be set or all be #{predicate.to_s.delete_suffix('?')}"
  self.errors.add(cols.first, msg)
end

#validates_at_least_one_of(*cols, predicate: :nil?) ⇒ Object

Ensures that at least one of the passed columns is not nil.



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# File 'lib/webhookdb/postgres/validations.rb', line 25

def validates_at_least_one_of(*cols, predicate: :nil?)
  any_truthy = cols.any? { |col| !self[col].send(predicate) }
  return if any_truthy
  msg = "at least one of #{cols.join(', ')} must be not #{predicate.to_s.delete_suffix('?')}"
  self.errors.add(cols.first, msg)
end

#validates_exactly_one_of(*cols, predicate: :nil?) ⇒ Object

Ensures that one and only one of the passed columns is not nil.



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# File 'lib/webhookdb/postgres/validations.rb', line 33

def validates_exactly_one_of(*cols, predicate: :nil?)
  self.validates_at_least_one_of(*cols, predicate:)
  self.validates_mutually_exclusive(*cols, predicate:)
end

#validates_ip_address(col) ⇒ Object 



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# File 'lib/webhookdb/postgres/validations.rb', line 38

def validates_ip_address(col)
  return if self[col].respond_to?(:ipv4?)
  begin
    IPAddr.new(self[col])
  rescue IPAddr::Error
    self.errors.add(col, "is not a valid INET address")
  end
end

#validates_mutually_exclusive(*cols, predicate: :nil?) ⇒ Object

Ensures that only one of the passed columns is not nil.



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# File 'lib/webhookdb/postgres/validations.rb', line 7

def validates_mutually_exclusive(*cols, predicate: :nil?)
  truthy_cols = cols.find_all { |col| !self[col].send(predicate) }
  multiple_set = truthy_cols.length > 1
  return unless multiple_set
  self.errors.add(truthy_cols.first, "is mutually exclusive with other set columns #{truthy_cols[1..].join(', ')}")
end