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NotBlank

class Athena::Validator::Constraints::NotBlank
inherits Athena::Validator::Constraint

Validates that a value is not blank; meaning not equal to a blank string, an empty Iterable, false, or optionally nil.

Configuration

Optional Arguments
allow_nil

Type: Bool Default: false

If set to true, nil values are considered valid and will not trigger a violation.

message

Type: String Default: This value should not be blank.

The message that will be shown if the value is blank.

Placeholders

The following placeholders can be used in this message:

  • {{ value }} - The current (invalid) value.
groups

Type: Array(String) | String | Nil Default: nil

The validation groups this constraint belongs to. AVD::Constraint::DEFAULT_GROUP is assumed if nil.

payload

Type: Hash(String, String)? Default: nil

Any arbitrary domain-specific data that should be stored with this constraint. The payload is not used by Athena::Validator, but its processing is completely up to you.

Constants

IS_BLANK_ERROR = "0d0c3254-3642-4cb0-9882-46ee5918e6e3"

Class methods

.new(allow_nil : Bool = false, message : String = "This value should not be blank.", groups : Array(String) | String | Nil = nil, payload : Hash(String, String)? = nil)

Methods

#allow_nil? : Bool

#validated_by : AVD::ConstraintValidator.class

Returns the AVD::ConstraintValidator.class that should handle validating self.