com.homedepot.bigbricks.validation.ProcessVariableValidation.scala Maven / Gradle / Ivy

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package com.homedepot.bigbricks.validation

import net.liftweb.common.{Full, Box}

/**
  * Created by Ferosh Jacob on 10/29/16.
  */
trait ProcessVariableValidation {

  val regex = "^[a-zA-Z_$][a-zA-Z_$0-9]*$"

  def goodPS(x: String): String = x match {
    case "" => ""
    case _ => {
      val parts = x.split(",", -1).map(f => f.trim)
      val inValidVariables = parts
        .filterNot(f => {
          f.matches(regex)
        })
      if (inValidVariables.isEmpty) {

        val distinct = parts.groupBy(f => f).filter(f => f._2.length > 1)
        distinct.isEmpty match {
          case true => ""
          case _ => s"process variables repeated:'${distinct.keys.mkString(",")}'"
        }

      } else s"invalid process variables:'${inValidVariables.mkString(",")}'"

    }
  }

}