Пример #1
0
def system_buy_shoes(request):
    '''
    Check the logged in user
    
    '''
    user = users.get_current_user()
    marketing = 1
    
    dd = []
    if user:
        
        islandQuery = Island.all()
        islandCount = islandQuery.count()
        islands = islandQuery.fetch(islandCount)
        
        for island in islands:
            islandId = island.key().id()
            playerQuery = Player.gql("WHERE islandId = :1",islandId)
            numPlayers = playerQuery.count()
            
            plantQuery = Plant.gql("WHERE islandId = :1",islandId)
            plantCount = plantQuery.count()
            plants = plantQuery.fetch(plantCount)
            
            for plant in plants:
                plantId = plant.key().id()
                plantRegion = plant.region
                shoeQuery = Shoe.gql("WHERE plantId = :1",plantId)
                shoeCount = shoeQuery.count()
                shoes = shoeQuery.fetch(shoeCount)
                
                for shoe in shoes:
                    body = shoe.body
                    sole = shoe.sole
                    color = shoe.color
                    qty = shoe.qty
                    attractiveness = math.fabs((0.75*sole + body + 1.25 * color) / 3)
                    saleRegion = ""
                    
                    #randomly select sale-to-region
                    i = random.randint(1,4)
                    if i == 1:
                        saleRegion = "north"
                    elif i == 2:
                        saleRegion = "east"
                    elif i == 3:
                        saleRegion = "west"
                    elif i == 4:
                        saleRegion = "south"
                    
                    _shippingcost = shippingCost[plantRegion][saleRegion]
                    price = shoe.price + _shippingcost
                    
                    salesVolume = int(math.ceil(numPlayers * math.pow((attractiveness*marketing/price),2)))
                    
                    if salesVolume > qty:
                        salesVolume = qty
                    
                    shoe.qty = shoe.qty - salesVolume
                    shoe.put()
                    dd.append(shoe.key().id())
                    dd.append(salesVolume)
                    n = {'count':len(dd)}
                    totalShippingCost = salesVolume * _shippingcost
                    totalRevenue = salesVolume * shoe.price
                     
                    player = Player.get_by_id(plant.playerId)
                    player.money = player.money - totalShippingCost + totalRevenue
                    player.money_spent = player.money_spent + totalShippingCost
                    player.networth = player.money + player.money_spent
                    player.put()
                    
                    plant.currentCapacity = plant.currentCapacity - salesVolume
                    plant.put()
                    
                    demandTransaction = DemandTransaction(shoeId = shoe.key().id(),salePrice = shoe.price,shippingCost = _shippingcost,qty = salesVolume)
                    demandTransaction.put()
    else:
        return redirect(users.create_login_url("/system_buy_shoes"))
    return HttpResponse(simplejson.dumps(n),mimetype="application/json")