예제 #1
0
        public async Task BuyUnits(int userId, SquadUnitListDto squadUnitListDto)
        {
            var player = await _dbContext.Players
                         .Include(p => p.Stock)
                         .Include(p => p.City)
                         .ThenInclude(c => c.CityBuildings)
                         .ThenInclude(cb => cb.Building)
                         .Include(p => p.Army)
                         .ThenInclude(a => a.Squads)
                         .ThenInclude(s => s.SquadUnits)
                         .ThenInclude(su => su.Unit)
                         .Where(p => p.UserId == userId)
                         .SingleOrDefaultAsync();

            var defendingSquad = player.Army.Squads
                                 .Where(s => s.CityId == player.City.Id)
                                 .SingleOrDefault();

            // COUNT A FEW VALUES FOR CHECKINGS
            var sumPearlAmount = 0;

            foreach (var squadUnit in squadUnitListDto.SquadUnits) // count pearl needed to buy the requested units
            {
                sumPearlAmount += await _squadService.GetSumSquadUnitPrice(squadUnit.Name, squadUnit.NumberOfUnits);
            }

            var sumBeds = 0;

            foreach (CityBuilding cityBuilding in player.City.CityBuildings) //count sum beds
            {
                sumBeds += cityBuilding.NumberOfBuildings * cityBuilding.Building.SoldierUnitNumber;
            }

            var squadUnits = await _squadService.GetAllSquadUnitByPlayerId(player.Id);

            var sumOccupiedBeds = squadUnits.Sum(su => su.NumberOfUnits);                         //count occupied beds

            var numberOfUnitsToBeHired = squadUnitListDto.SquadUnits.Sum(su => su.NumberOfUnits); // count number of units to be hired

            // CHECKINGS
            if (sumBeds < sumOccupiedBeds + numberOfUnitsToBeHired)
            {
                throw new GeneralGameException($"Nem tudsz {sumOccupiedBeds + numberOfUnitsToBeHired} egységet elszállásolni, csak {sumBeds} szállás helyed van!");
            }
            else if (player.Stock.PearlAmount < sumPearlAmount)
            {
                throw new GeneralGameException("Nincs elég gyöngyöd, hogy megvedd ezeket az egységeket!");
            }
            else
            {
                await _stockService.ReducePearl(player.Stock, sumPearlAmount);
            }

            foreach (var squadUnit in squadUnitListDto.SquadUnits)
            {
                var originalSquadUnit = defendingSquad.SquadUnits.Where(su => su.Unit.Type == squadUnit.Name).SingleOrDefault();
                if (originalSquadUnit == null)
                {
                    await _squadService.InsertUnitType(defendingSquad, squadUnit.Name, squadUnit.NumberOfUnits);
                }
                else
                {
                    await _squadService.UpdateUnitTypeNumber(defendingSquad, squadUnit.Name, originalSquadUnit.NumberOfUnits + squadUnit.NumberOfUnits);
                }
            }
        }