feat: BAC-30 Implement Jackson Mapping via DTOs (#102)

Reviewed-on: #102
Co-authored-by: Janis <janis.e.20@gmx.de>
Co-committed-by: Janis <janis.e.20@gmx.de>

knockoutwhistweb/app/dto/subDTO/PodiumPlayerDTO.scala

@@ -0,0 +1,47 @@
+package dto.subDTO
+
+import de.knockoutwhist.control.GameLogic
+import de.knockoutwhist.player.AbstractPlayer
+import de.knockoutwhist.rounds.Match
+
+case class PodiumPlayerDTO(
+                          player: PlayerDTO,
+                          position: Int,
+                          roundsWon: Int,
+                          tricksWon: Int
+                          )
+
+object PodiumPlayerDTO {
+
+  def apply(gameLogic: GameLogic, player: AbstractPlayer): PodiumPlayerDTO = {
+    val matchImplOpt = gameLogic.getCurrentMatch
+    if (matchImplOpt.isEmpty) {
+      throw new IllegalStateException("No current match available in game logic")
+    }
+    val matchImpl: Match = matchImplOpt.get
+    var roundsWon = 0
+    var tricksWon = 0
+    for (round <- matchImpl.roundlist) {
+      if (round.winner.contains(player)) {
+        roundsWon += 1
+      }
+      for (trick <- round.tricklist) {
+        if (trick.winner.contains(player)) {
+          tricksWon += 1
+        }
+      }
+    }
+
+    PodiumPlayerDTO(
+      player = PlayerDTO(player),
+      position = if (gameLogic.getWinner.contains(player)) {
+        1
+      } else {
+        2
+      },
+      roundsWon = roundsWon,
+      tricksWon = tricksWon
+    )
+  }
+
+}