server: Add custom play HttpErrorHandler

server/app/com/xsn/explorer/play/MyHttpErrorHandler.scala

@@ -0,0 +1,41 @@
+package com.xsn.explorer.play
+
+import javax.inject.Inject
+
+import com.alexitc.playsonify.PublicErrorRenderer
+import com.alexitc.playsonify.models.{ErrorId, PublicError}
+import org.slf4j.LoggerFactory
+import play.api.http.HttpErrorHandler
+import play.api.libs.json.Json
+import play.api.mvc.RequestHeader
+import play.api.mvc.Results.{InternalServerError, Status}
+
+import scala.concurrent.Future
+
+class MyHttpErrorHandler @Inject() (errorRenderer: PublicErrorRenderer) extends HttpErrorHandler {
+
+  private val logger = LoggerFactory.getLogger(this.getClass)
+
+  def onClientError(request: RequestHeader, statusCode: Int, message: String) = {
+    val publicError = PublicError.genericError(message)
+    val error = errorRenderer.renderPublicError(publicError)
+    val json = Json.obj(
+      "errors" -> Json.arr(error)
+    )
+
+    val result = Status(statusCode)(json)
+    Future.successful(result)
+  }
+
+  def onServerError(request: RequestHeader, exception: Throwable) = {
+    val errorId = ErrorId.create
+    val error = errorRenderer.renderPrivateError(errorId)
+    val json = Json.obj(
+      "errors" -> Json.arr(error)
+    )
+
+    logger.error(s"Server error, errorId = [${errorId.string}]", exception)
+    val result = InternalServerError(json)
+    Future.successful(result)
+  }
+}

server/conf/application.conf

@@ -6,6 +6,10 @@ play.filters.hosts {
   allowed = ["localhost", "localhost:9000", "127.0.0.1:9000"]
 }
 
+play.http {
+  errorHandler = "com.xsn.explorer.play.MyHttpErrorHandler"
+}
+
 rpc {
   host = "http://localhost:51473"
   username = "dummy"