Renamed package to xyz, New formatting, authorize directive supporting multiple permissions

1 files changed, 59 insertions, 0 deletions

diff --git a/src/main/scala/xyz/driver/core/messages.scala b/src/main/scala/xyz/driver/core/messages.scala
new file mode 100644
index 0000000..94d9889
--- /dev/null
+++ b/src/main/scala/xyz/driver/core/messages.scala
@@ -0,0 +1,59 @@
+package xyz.driver.core
+
+import java.util.Locale
+
+import com.typesafe.config.Config
+import xyz.driver.core.logging.Logger
+
+import scala.collection.JavaConverters._
+
+/**
+  * Scala internationalization (i18n) support
+  */
+object messages {
+
+  object Messages {
+    def messages(config: Config, log: Logger, locale: Locale = Locale.US): Messages = {
+      val map = config.getConfig(locale.getLanguage).root().unwrapped().asScala.mapValues(_.toString).toMap
+      Messages(map, locale, log)
+    }
+  }
+
+  final case class Messages(map: Map[String, String], locale: Locale, log: Logger) {
+
+    /**
+      * Returns message for the key
+      *
+      * @param key key
+      * @return message
+      */
+    def apply(key: String): String = {
+      map.get(key) match {
+        case Some(message) => message
+        case None =>
+          log.error(s"Message with key '$key' not found for locale '${locale.getLanguage}'")
+          key
+      }
+    }
+
+    /**
+      * Returns message for the key and formats that with parameters
+      *
+      * @example "Hello {0}!" with "Joe" will be "Hello Joe!"
+      *
+      * @param key key
+      * @param params params to be embedded
+      * @return formatted message
+      */
+    def apply(key: String, params: Any*): String = {
+
+      def format(formatString: String, params: Seq[Any]) =
+        params.zipWithIndex.foldLeft(formatString) {
+          case (res, (value, index)) => res.replace(s"{$index}", value.toString)
+        }
+
+      val template = apply(key)
+      format(template, params)
+    }
+  }
+}