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Refactoring: Bitpay Rate Controller

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Some tweaks I did when working on #3752.
This commit is contained in:
Dennis Reimann
2022-06-05 14:33:33 +02:00
committed by Andrew Camilleri
parent 84fcd1c1b5
commit 8ef8c97072
1 changed files with 36 additions and 72 deletions
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106
BTCPayServer/Controllers/BitpayRateController.cs
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@@ -25,33 +25,24 @@ namespace BTCPayServer.Controllers
[Authorize(Policy = ServerPolicies.CanGetRates.Key, AuthenticationSchemes = AuthenticationSchemes.Bitpay)] [Authorize(Policy = ServerPolicies.CanGetRates.Key, AuthenticationSchemes = AuthenticationSchemes.Bitpay)]
public class BitpayRateController : Controller public class BitpayRateController : Controller
{ {
public StoreData CurrentStore
{
get
{
return HttpContext.GetStoreData();
}
}
readonly RateFetcher _RateProviderFactory; readonly RateFetcher _rateProviderFactory;
readonly BTCPayNetworkProvider _NetworkProvider; readonly BTCPayNetworkProvider _networkProvider;
readonly CurrencyNameTable _CurrencyNameTable; readonly CurrencyNameTable _currencyNameTable;
readonly StoreRepository _StoreRepo; readonly StoreRepository _storeRepo;
public TokenRepository TokenRepository { get; } private StoreData CurrentStore => HttpContext.GetStoreData();
public BitpayRateController( public BitpayRateController(
RateFetcher rateProviderFactory, RateFetcher rateProviderFactory,
BTCPayNetworkProvider networkProvider, BTCPayNetworkProvider networkProvider,
TokenRepository tokenRepository,
StoreRepository storeRepo, StoreRepository storeRepo,
CurrencyNameTable currencyNameTable) CurrencyNameTable currencyNameTable)
{ {
_RateProviderFactory = rateProviderFactory ?? throw new ArgumentNullException(nameof(rateProviderFactory)); _rateProviderFactory = rateProviderFactory ?? throw new ArgumentNullException(nameof(rateProviderFactory));
_NetworkProvider = networkProvider; _networkProvider = networkProvider;
TokenRepository = tokenRepository; _storeRepo = storeRepo;
_StoreRepo = storeRepo; _currencyNameTable = currencyNameTable ?? throw new ArgumentNullException(nameof(currencyNameTable));
_CurrencyNameTable = currencyNameTable ?? throw new ArgumentNullException(nameof(currencyNameTable));
} }
[Route("rates/{baseCurrency}")] [Route("rates/{baseCurrency}")]
@@ -59,7 +50,7 @@ namespace BTCPayServer.Controllers
[BitpayAPIConstraint] [BitpayAPIConstraint]
public async Task<IActionResult> GetBaseCurrencyRates(string baseCurrency, CancellationToken cancellationToken) public async Task<IActionResult> GetBaseCurrencyRates(string baseCurrency, CancellationToken cancellationToken)
{ {
var supportedMethods = CurrentStore.GetSupportedPaymentMethods(_NetworkProvider); var supportedMethods = CurrentStore.GetSupportedPaymentMethods(_networkProvider);
var currencyCodes = supportedMethods.Where(method => !string.IsNullOrEmpty(method.PaymentId.CryptoCode)) var currencyCodes = supportedMethods.Where(method => !string.IsNullOrEmpty(method.PaymentId.CryptoCode))
.Select(method => method.PaymentId.CryptoCode).Distinct(); .Select(method => method.PaymentId.CryptoCode).Distinct();
@@ -68,44 +59,37 @@ namespace BTCPayServer.Controllers
var result = await GetRates2(currencypairs, null, cancellationToken); var result = await GetRates2(currencypairs, null, cancellationToken);
var rates = (result as JsonResult)?.Value as Rate[]; var rates = (result as JsonResult)?.Value as Rate[];
if (rates == null) return rates == null ? result : Json(new DataWrapper<Rate[]>(rates));
return result;
return Json(new DataWrapper<Rate[]>(rates));
} }
[Route("rates/{baseCurrency}/{currency}")] [HttpGet("rates/{baseCurrency}/{currency}")]
[HttpGet]
[BitpayAPIConstraint] [BitpayAPIConstraint]
public async Task<IActionResult> GetCurrencyPairRate(string baseCurrency, string currency, CancellationToken cancellationToken) public async Task<IActionResult> GetCurrencyPairRate(string baseCurrency, string currency, CancellationToken cancellationToken)
{ {
var result = await GetRates2($"{baseCurrency}_{currency}", null, cancellationToken); var result = await GetRates2($"{baseCurrency}_{currency}", null, cancellationToken);
var rates = (result as JsonResult)?.Value as Rate[]; return (result as JsonResult)?.Value is not Rate[] rates
if (rates == null) ? result
return result; : Json(new DataWrapper<Rate>(rates.First()));
return Json(new DataWrapper<Rate>(rates.First()));
} }
[Route("rates")] [HttpGet("rates")]
[HttpGet]
[BitpayAPIConstraint] [BitpayAPIConstraint]
public async Task<IActionResult> GetRates(string currencyPairs, string storeId = null, CancellationToken cancellationToken = default) public async Task<IActionResult> GetRates(string currencyPairs, string storeId = null, CancellationToken cancellationToken = default)
{ {
var result = await GetRates2(currencyPairs, storeId, cancellationToken); var result = await GetRates2(currencyPairs, storeId, cancellationToken);
var rates = (result as JsonResult)?.Value as Rate[]; return (result as JsonResult)?.Value is not Rate[] rates
if (rates == null) ? result
return result; : Json(new DataWrapper<Rate[]>(rates));
return Json(new DataWrapper<Rate[]>(rates));
} }
[Route("api/rates")]
[HttpGet]
[AllowAnonymous] [AllowAnonymous]
[HttpGet("api/rates")]
public async Task<IActionResult> GetRates2(string currencyPairs, string storeId, CancellationToken cancellationToken) public async Task<IActionResult> GetRates2(string currencyPairs, string storeId, CancellationToken cancellationToken)
{ {
var store = this.CurrentStore ?? await this._StoreRepo.FindStore(storeId); var store = CurrentStore ?? await _storeRepo.FindStore(storeId);
if (store == null) if (store == null)
{ {
var err = Json(new BitpayErrorsModel() { Error = "Store not found" }); var err = Json(new BitpayErrorsModel { Error = "Store not found" });
err.StatusCode = 404; err.StatusCode = 404;
return err; return err;
} }
@@ -120,10 +104,8 @@ namespace BTCPayServer.Controllers
} }
} }
var rules = store.GetStoreBlob().GetRateRules(_networkProvider);
var rules = store.GetStoreBlob().GetRateRules(_NetworkProvider); var pairs = new HashSet<CurrencyPair>();
HashSet<CurrencyPair> pairs = new HashSet<CurrencyPair>();
foreach (var currency in currencyPairs.Split(',')) foreach (var currency in currencyPairs.Split(','))
{ {
if (!CurrencyPair.TryParse(currency, out var pair)) if (!CurrencyPair.TryParse(currency, out var pair))
@@ -135,25 +117,25 @@ namespace BTCPayServer.Controllers
pairs.Add(pair); pairs.Add(pair);
} }
var fetching = _RateProviderFactory.FetchRates(pairs, rules, cancellationToken); var fetching = _rateProviderFactory.FetchRates(pairs, rules, cancellationToken);
await Task.WhenAll(fetching.Select(f => f.Value).ToArray()); await Task.WhenAll(fetching.Select(f => f.Value).ToArray());
return Json(pairs return Json(pairs
.Select(r => (Pair: r, Value: fetching[r].GetAwaiter().GetResult().BidAsk?.Bid)) .Select(r => (Pair: r, Value: fetching[r].GetAwaiter().GetResult().BidAsk?.Bid))
.Where(r => r.Value.HasValue) .Where(r => r.Value.HasValue)
.Select(r => .Select(r =>
new Rate() new Rate
{ {
CryptoCode = r.Pair.Left, CryptoCode = r.Pair.Left,
Code = r.Pair.Right, Code = r.Pair.Right,
CurrencyPair = r.Pair.ToString(), CurrencyPair = r.Pair.ToString(),
Name = _CurrencyNameTable.GetCurrencyData(r.Pair.Right, true).Name, Name = _currencyNameTable.GetCurrencyData(r.Pair.Right, true).Name,
Value = r.Value.Value Value = r.Value.Value
}).Where(n => n.Name != null).ToArray()); }).Where(n => n.Name != null).ToArray());
} }
private static string BuildCurrencyPairs(IEnumerable<string> currencyCodes, string baseCrypto) private static string BuildCurrencyPairs(IEnumerable<string> currencyCodes, string baseCrypto)
{ {
StringBuilder currencyPairsBuilder = new StringBuilder(); var currencyPairsBuilder = new StringBuilder();
bool first = true; bool first = true;
foreach (var currencyCode in currencyCodes) foreach (var currencyCode in currencyCodes)
{ {
@@ -169,37 +151,19 @@ namespace BTCPayServer.Controllers
{ {
[JsonProperty(PropertyName = "name")] [JsonProperty(PropertyName = "name")]
public string Name public string Name { get; set; }
{
get;
set;
}
[JsonProperty(PropertyName = "cryptoCode")] [JsonProperty(PropertyName = "cryptoCode")]
public string CryptoCode public string CryptoCode { get; set; }
{
get;
set;
}
[JsonProperty(PropertyName = "currencyPair")] [JsonProperty(PropertyName = "currencyPair")]
public string CurrencyPair public string CurrencyPair { get; set; }
{
get;
set;
}
[JsonProperty(PropertyName = "code")] [JsonProperty(PropertyName = "code")]
public string Code public string Code { get; set; }
{
get;
set;
}
[JsonProperty(PropertyName = "rate")] [JsonProperty(PropertyName = "rate")]
public decimal Value public decimal Value { get; set; }
{
get;
set;
}
} }
} }
} }