1 files changed, 39 insertions, 0 deletions
diff --git a/Logics/RafflePlayLogic.cs b/Logics/RafflePlayLogic.cs
new file mode 100644
index 0000000..026bb91
--- /dev/null
+++ b/Logics/RafflePlayLogic.cs
@@ -0,0 +1,39 @@
+using BackendPIA.Models;
+using BackendPIA.Services;
+
+namespace BackendPIA.Logics {
+    public class RafflePlayLogic {
+        private readonly IGameService _game_service;
+        private readonly IRaffleService _raffle_service;
+        private readonly long _raffle_id;
+        public string? ErrorMessage { get; set; }
+        public IEnumerable<RaffleWinner>? Winners { get; set;}
+
+        public RafflePlayLogic(IGameService game_service, IRaffleService raffle_service, long raffle_id) {
+            _game_service = game_service;
+            _raffle_service = raffle_service;
+            _raffle_id = raffle_id;
+        }
+
+        public async Task<bool> Call() {
+            var raffle = await _raffle_service.GetRaffle(_raffle_id);
+
+            // Checks.
+            if(raffle == null) {
+                ErrorMessage = $"The raffle with id {_raffle_id} couldn't be found.";
+
+                return false;
+            }
+
+            if(raffle.Winners >= _raffle_service.GetRaffleTickets(_raffle_id).Count()) {
+                ErrorMessage = $"Can't play: not enough players.";
+
+                return false;
+            }
+
+            Winners = await _game_service.GetWinners(_raffle_id);
+
+            return true;
+        }
+    }
+}
+\ No newline at end of file