accumulator bonus

internal/services/bet/service.go

@@ -251,9 +251,10 @@ func (s *Service) PlaceBet(ctx context.Context, req domain.CreateBetReq, userID
 	}
 
 	fastCode := helpers.GenerateFastCode()
+	amount := req.Amount + (req.Amount * calculateAccumulator(len(outcomes)))
 
 	newBet := domain.CreateBet{
-		Amount:       domain.ToCurrency(req.Amount),
+		Amount:       domain.ToCurrency(amount),
 		TotalOdds:    totalOdds,
 		Status:       domain.OUTCOME_STATUS_PENDING,
 		FullName:     req.FullName,
@@ -1019,3 +1020,86 @@ func calculateCashbackAmount(amount, total_odds float32) float32 {
 
 	return amount * multiplier
 }
+
+func calculateAccumulator(outcomesCount int) float32 {
+	switch outcomesCount {
+	case 3:
+		return 0.05
+	case 4:
+		return 0.08
+	case 5:
+		return 0.09
+	case 6:
+		return 0.10
+	case 7:
+		return 0.15
+	case 8:
+		return 0.20
+	case 9:
+		return 0.25
+	case 10:
+		return 0.30
+	case 11:
+		return 0.35
+	case 12:
+		return 0.40
+	case 13:
+		return 0.45
+	case 14:
+		return 0.50
+	case 15:
+		return 0.55
+	case 16:
+		return 0.60
+	case 17:
+		return 0.65
+	case 18:
+		return 0.70
+	case 19:
+		return 0.75
+	case 20:
+		return 0.80
+	case 21:
+		return 0.85
+	case 22:
+		return 0.90
+	case 23:
+		return 0.95
+	case 24:
+		return 1.00
+	case 25:
+		return 1.10
+	case 26:
+		return 1.30
+	case 27:
+		return 1.50
+	case 28:
+		return 1.70
+	case 29:
+		return 2.00
+	case 30:
+		return 2.10
+	case 31:
+		return 2.30
+	case 32:
+		return 2.50
+	case 33:
+		return 2.70
+	case 34:
+		return 2.90
+	case 35:
+		return 3.10
+	case 36:
+		return 3.20
+	case 37:
+		return 3.40
+	case 38:
+		return 5.00
+	case 39:
+		return 6.00
+	case 40:
+		return 10.00
+	default:
+		return 0
+	}
+}

internal/web_server/handlers/bet_handler.go

@@ -25,10 +25,8 @@ import (
 // @Failure 500 {object} response.APIResponse
 // @Router /sport/bet [post]
 func (h *Handler) CreateBet(c *fiber.Ctx) error {
-	// userID := c.Locals("user_id").(int64)
-	// role := c.Locals("role").(domain.Role)
-	userID := int64(5)
-	role := domain.RoleAdmin
+	userID := c.Locals("user_id").(int64)
+	role := c.Locals("role").(domain.Role)
 
 	var req domain.CreateBetReq
 	if err := c.BodyParser(&req); err != nil {