public async Task <IActionResult> Index(string systemName)
{
// Get items with prices
Constants.Systems systemId;
Enum.TryParse(systemName, out systemId);
TradeHub tradeHub = Constants.TradeHubs.First(th => th.SystemID == (int)systemId);
List <int> categoryIds = new List <int>()
{
(int)Constants.Categories.PlanetaryCommodities, (int)Constants.Categories.PlanetaryResources
};
List <Category> categories = _context.Categories.Where(c => categoryIds.Contains(c.ID)).ToList();
List <Group> groups = _context.Groups.Where(g => categoryIds.Contains(g.CategoryID)).ToList();
List <Item> items = _context.Items.Where(i => groups.Any(g => g.ID == i.GroupID)).ToList();
List <ItemVM> itemVMs = new List <ItemVM>();
try
{
itemVMs = await GetItemMarketData(items, tradeHub);
}
catch (Exception ex)
{
//TODO: show custom error screen
throw ex;
}
foreach (var item in itemVMs)
{
var group = groups.First(g => g.ID == item.GroupID);
var category = categories.First(c => c.ID == group.CategoryID);
item.GroupName = group.Name;
item.CategoryID = category.ID;
item.CategoryName = category.Name;
}
List <SchematicVM> schematics = GetSchematicVMs(itemVMs).ToList();
ViewBag.TradeHub = tradeHub;
ViewBag.PlanetTypes = GetPlanetTypes(items).OrderBy(pt => pt.Name).ToList();
ViewBag.RawMats = itemVMs.Where(i => groups.Any(g => g.CategoryID == (int)Constants.Categories.PlanetaryResources && g.ID == i.GroupID)).OrderBy(m => m.Name).ToList();
return(View(schematics.OrderBy(s => s.Output.Volume).ThenBy(s => s.Name).ToList()));
}
/// <summary>
/// Get market data for the given items in the given region
/// </summary>
/// <param name="items">Items to get market data for</param>
/// <param name="tradeHub">Trade hub to get market data</param>
/// <returns>Collection of Item view models</returns>
public async Task <List <ItemVM> > GetItemMarketData(IEnumerable <Item> items, TradeHub tradeHub)
{
List <ItemVM> viewModels = new List <ItemVM>();
//var request = new HttpRequestMessage();
//var response = new HttpResponseMessage();
int i = 1;
List <Order> orders = new List <Order>();
List <Order> responseOrders = new List <Order>();
// get all orders
do
{
List <string> urls = new List <string>();
foreach (var item in items)
{
urls.Add("https://esi.evetech.net/v1/markets/" + tradeHub.RegionID + "/orders/?datasource=tranquility&order_type=sell&page=" + i + "&type_id=" + item.ID);
}
var responses = await MakeEsiRequest(urls);
//response = await MakeEsiRequest(request);
foreach (var response in responses)
{
if (response.IsSuccessStatusCode)
{
responseOrders = await response.Content.ReadAsAsync <List <Order> >();
orders.AddRange(responseOrders);
}
else
{
throw new Exception($"Failed to get all Orders for page '{i}'");
}
}
i++;
} while (responseOrders.Count >= 1000);
// add the viewmodel
foreach (var item in items)
{
ItemVM itemVM = new ItemVM(item);
var itemOrders = orders.Where(o => o.SystemID == tradeHub.SystemID && o.TypeID == item.ID).ToList();
itemVM.Price = itemOrders.Count > 0 ? Convert.ToDecimal(itemOrders.Min(o => o.Price)) : 0;
viewModels.Add(itemVM);
}
return(viewModels);
}
