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package io.xendera.framework.server.constraints

import play.api.data.{Forms, Mapping}
import play.api.data.validation.{Constraint, Invalid, Valid, ValidationError}

object FormConstraints {

  private val PasswordConstraint = "constraint.xendera.password"
  private val MinLengthMessage = PasswordConstraint + ".error.minLength"
  private val MinLength = 8

  private def passwordConstraint: Constraint[String] =
    Constraint[String](PasswordConstraint) { v =>
      if (v != null && v.length >= MinLength) Valid else Invalid(ValidationError(MinLengthMessage, MinLength))
    }

  val password: Mapping[String] = Forms.text.verifying(passwordConstraint)

}