- use logger

src/log_handler.cr

@@ -0,0 +1,26 @@
+require "kemal"
+require "./logger"
+
+class LogHandler < Kemal::BaseLogHandler
+	def initialize(@logger : MLogger)
+	end
+
+	def call(env)
+		elapsed_time = Time.measure { call_next env }
+		elapsed_text = elapsed_text elapsed_time
+		msg = "#{env.response.status_code} #{env.request.method}" \
+			" #{env.request.resource} #{elapsed_text}"
+		@logger.debug(msg)
+		env
+	end
+
+	def write(msg)
+		@logger.debug(msg)
+	end
+
+	private def elapsed_text(elapsed)
+		millis = elapsed.total_milliseconds
+		return "#{millis.round(2)}ms" if millis >= 1
+		"#{(millis * 1000).round(2)}µs"
+	end
+end