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29 lines
670 B
29 lines
670 B
package com.xsn.explorer.models
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import com.xsn.explorer.models.base.WrappedString
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import play.api.libs.json._
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class Address private (val string: String) extends AnyVal with WrappedString
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object Address {
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private val pattern = "^[a-zA-Z0-9]{34}$".r.pattern
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def from(string: String): Option[Address] = {
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if (pattern.matcher(string).matches()) {
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Some(new Address(string))
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} else {
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None
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}
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}
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implicit val reads: Reads[Address] = Reads { json =>
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json.validate[String].flatMap { string =>
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from(string)
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.map(JsSuccess.apply(_))
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.getOrElse {
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JsError.apply("Invalid address")
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}
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}
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}
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}
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