From 2549bf340634084aa3c70ef54291c349679c52a8 Mon Sep 17 00:00:00 2001
From: Peter Kotula <peto.kotula@yahoo.com>
Date: Sun, 15 Oct 2023 19:53:26 +0200
Subject: [PATCH] ConfigurableLogger - moved to examples

---
 .../zio/logging/ConfigurableLogger.scala      | 40 +++++--------------
 .../example/ConfigurableLoggerApp.scala       | 22 +++++-----
 2 files changed, 19 insertions(+), 43 deletions(-)
 rename {core/shared => examples/core}/src/main/scala/zio/logging/ConfigurableLogger.scala (78%)

diff --git a/core/shared/src/main/scala/zio/logging/ConfigurableLogger.scala b/examples/core/src/main/scala/zio/logging/ConfigurableLogger.scala
similarity index 78%
rename from core/shared/src/main/scala/zio/logging/ConfigurableLogger.scala
rename to examples/core/src/main/scala/zio/logging/ConfigurableLogger.scala
index 581bac78..6ff7d85d 100644
--- a/core/shared/src/main/scala/zio/logging/ConfigurableLogger.scala
+++ b/examples/core/src/main/scala/zio/logging/ConfigurableLogger.scala
@@ -15,7 +15,7 @@
  */
 package zio.logging
 
-import zio.{ Cause, FiberId, FiberRef, FiberRefs, LogLevel, LogSpan, Trace, ZIO, ZLayer, ZLogger }
+import zio.{ Cause, FiberId, FiberRefs, LogLevel, LogSpan, Trace, ZIO, ZLayer, ZLogger }
 
 trait LoggerConfigurer {
 
@@ -44,16 +44,14 @@ object LoggerConfigurer {
 
   val layer: ZLayer[Any, Throwable, LoggerConfigurer] =
     ZLayer.fromZIO {
-      for {
-        fiberRefs <- ZIO.getFiberRefs
-
-        loggerService <- ZIO.attempt {
-                           val loggers = fiberRefs.getOrDefault(FiberRef.currentLoggers)
-                           loggers.collectFirst { case logger: ConfigurableLogger[_, _] =>
-                             logger.configurer
-                           }.getOrElse(throw new RuntimeException("LoggerConfigurer not found"))
-                         }
-      } yield loggerService
+      ZIO.loggers.flatMap { loggers =>
+        loggers.collectFirst { case logger: ConfigurableLogger[_, _] =>
+          logger.configurer
+        } match {
+          case Some(value) => ZIO.succeed(value)
+          case None        => ZIO.fail(new RuntimeException("LoggerConfigurer not found"))
+        }
+      }
     }
 }
 
@@ -64,26 +62,6 @@ trait ConfigurableLogger[-Message, +Output] extends ZLogger[Message, Output] {
 
 object ConfigurableLogger {
 
-//  def apply[Message, Output](
-//    logger: ZLogger[Message, Output],
-//    loggerConfigurer: LoggerConfigurer
-//  ): ConfigurableLogger[Message, Output] =
-//    new ConfigurableLogger[Message, Output] {
-//
-//      override val configurer: LoggerConfigurer = loggerConfigurer
-//
-//      override def apply(
-//        trace: Trace,
-//        fiberId: FiberId,
-//        logLevel: LogLevel,
-//        message: () => Message,
-//        cause: Cause[Any],
-//        context: FiberRefs,
-//        spans: List[LogSpan],
-//        annotations: Map[String, String]
-//      ): Output = logger.apply(trace, fiberId, logLevel, message, cause, context, spans, annotations)
-//    }
-
   def make[Message, Output](
     logger: ZLogger[Message, Output],
     filterConfig: LogFilter.LogLevelByNameConfig
diff --git a/examples/core/src/main/scala/zio/logging/example/ConfigurableLoggerApp.scala b/examples/core/src/main/scala/zio/logging/example/ConfigurableLoggerApp.scala
index 530860de..d7fbd2cd 100644
--- a/examples/core/src/main/scala/zio/logging/example/ConfigurableLoggerApp.scala
+++ b/examples/core/src/main/scala/zio/logging/example/ConfigurableLoggerApp.scala
@@ -30,6 +30,16 @@ import zio.{ ExitCode, Runtime, Scope, ZIO, ZIOAppDefault, _ }
 
 import java.util.UUID
 
+/*
+ curl -u "admin:admin" 'http://localhost:8080/example/logger'
+
+ curl -u "admin:admin" 'http://localhost:8080/example/logger/root'
+
+ curl -u "admin:admin" --location --request PUT 'http://localhost:8080/example/logger/root' --header 'Content-Type: application/json' --data-raw '"WARN"'
+
+ curl -u "admin:admin" --location --request PUT 'http://localhost:8080/example/logger/zio.logging.example' --header 'Content-Type: application/json' --data-raw '"WARN"'
+
+ */
 object ConfigurableLoggerApp extends ZIOAppDefault {
 
   def configurableLogger(configPath: NonEmptyChunk[String] = loggerConfigPath) =
@@ -86,15 +96,3 @@ object ConfigurableLoggerApp extends ZIOAppDefault {
     } yield ExitCode.success).provide(LoggerConfigurer.layer ++ Server.default)
 
 }
-
-/*
-
- curl -u "admin:admin" 'http://localhost:8080/example/logger'
-
- curl -u "admin:admin" 'http://localhost:8080/example/logger/root'
-
- curl -u "admin:admin" --location --request PUT 'http://localhost:8080/example/logger/root' --header 'Content-Type: application/json' --data-raw '"WARN"'
-
- curl -u "admin:admin" --location --request PUT 'http://localhost:8080/example/logger/zio.logging.example' --header 'Content-Type: application/json' --data-raw '"WARN"'
-
- */