public async Task CompleteRateTable()
{
using (var context = new GNBContext())
{
string sqlstring = "SELECT pair.Id, pair.FromCurr, pair.ToCurr, pair.rate " +
"FROM " +
"( SELECT f.id Id,f.FromCurr FromCurr , t.FromCurr ToCurr, (f.rate/t.rate) rate " +
" FROM dbo.rates f, dbo.rates t " +
" WHERE " +
" f.ToCurr = t.ToCurr " +
") pair " +
"LEFT OUTER JOIN rates " +
"ON " +
"pair.FromCurr = rates.FromCurr " +
"AND pair.ToCurr = rates.ToCurr " +
"WHERE rates.FromCurr IS NULL " +
"and pair.rate<>1";
var result = context.Rates.FromSql(sqlstring).ToList();
foreach (Rates trans in result)
{
var row = new Rates {
Id = 0, FromCurr = trans.FromCurr, ToCurr = trans.ToCurr, Rate = Decimal.Round(trans.Rate, 2)
};
context.Add(row);
}
context.SaveChanges();
}
}
public IEnumerable <Rates> GetAllRates()
{
using (var context = new GNBContext())
{
return(context.Rates.ToList());
}
}
public async Task ProcessRates()
{
client.DefaultRequestHeaders.Accept.Clear();
client.DefaultRequestHeaders.Accept.Add(
new MediaTypeWithQualityHeaderValue("application/json"));
//client.DefaultRequestHeaders.Add("User-Agent", ".NET Foundation Repository Reporter");
var serializer = new DataContractJsonSerializer(typeof(List <RatesJSON>));
var streamTask = client.GetStreamAsync("http://quiet-stone-2094.herokuapp.com/rates.json");
var repositories = serializer.ReadObject(await streamTask) as List <RatesJSON>;
using (var context = new GNBContext())
{
foreach (var trans in context.Rates)
{
context.Remove(trans);
}
context.SaveChanges();
foreach (var trans in repositories)
{
var row = new Rates {
Id = 0, FromCurr = trans.from, ToCurr = trans.to, Rate = trans.Rate
};
context.Add(row);
}
context.SaveChanges();
}
}
public IEnumerable <Transactions> GetAll(string id)
{
Random random = new Random();
using (var context = new GNBContext())
{
var result = context.Transactions.Where(b => b.Sku.Contains(id)).Select(cl => new Transactions {
Id = random.Next(), Sku = cl.Sku, Currency = cl.Currency, Amount = cl.Amount
}).ToList();
foreach (Transactions row in result)
{
row.Amount = GetRate(row.Currency, "EUR", row.Amount);
}
return(result);
}
}
public void GetAllTransactions_With_Service_Available()
{
// Arrenge
const string transactionsUrl = "http://quiet-stone-2094.herokuapp.com/transactions.json";
var options = new DbContextOptionsBuilder <GNBContext>()
.UseInMemoryDatabase(databaseName: "GNBTestDB")
.Options;
var mockLogger = new Mock <ILogger <TransactionService> >();
var logger = mockLogger.Object;
var context = new GNBContext(options);
var transactionRepository = new TransactionRepository(context);
var transactionService = new TransactionService(transactionRepository, logger);
// Act
var transactions = transactionService.GetAllAsync(transactionsUrl).Result;
// Assertion
Assert.True(transactions.Any()); // Checks if all transactions were fetched from server.
}
public IEnumerable <Transactions> GetAll()
{
using (var context = new GNBContext())
{
Random random = new Random();
var result = context.Transactions.Select(cl => new Transactions {
Id = random.Next(), Sku = cl.Sku, Currency = cl.Currency, Amount = cl.Amount
}).ToList();
foreach (Transactions row in result)
{
row.Amount = GetRate(row.Currency, "EUR", row.Amount);
}
var summary = result.GroupBy(K => K.Sku).Select(cl => new Transactions {
Id = random.Next(), Sku = cl.First().Sku, Currency = "EUR", Amount = cl.Sum(c => c.Amount)
}).OrderBy(cl => cl.Sku).ToList();
return(summary);
}
}
public decimal GetRate(string fromcurr, string tocurr, decimal amount)
{
if (fromcurr.Trim() == tocurr.Trim())
{
return(amount);
}
using (var context = new GNBContext())
{
Rates qry = context.Rates.Where(b => b.FromCurr.Contains(fromcurr)).Where(b => b.ToCurr.Contains(tocurr)).Select(cl => new Rates {
FromCurr = cl.FromCurr, ToCurr = cl.ToCurr, Rate = cl.Rate
}).FirstOrDefault();
decimal result;
if (qry.Rate > 1)
{
return(result = amount / qry.Rate);
}
else
{
return(result = qry.Rate * amount);
}
}
}
public void GetAllRates_With_Service_Unavailable()
{
// Arrenge
const string ratesUrl = "http://quiet-stone-2094.herokuapp.com/rates.json";
var options = new DbContextOptionsBuilder <GNBContext>()
.UseInMemoryDatabase(databaseName: "GNBTestDB")
.Options;
var mockLogger = new Mock <ILogger <RateService> >();
var logger = mockLogger.Object;
var context = new GNBContext(options);
var rateRepository = new RateRepository(context);
var rateService = new RateService(rateRepository, logger);
// Act
var rates = rateService.GetAllAsync(ratesUrl).Result;
var ratesFromDB = rateService.GetAllAsync("").Result;
// Assertion
Assert.True(rates.Any()); // Checks if all rates were fetched from server.
Assert.True(ratesFromDB.Any()); // Checks if all rates were fetched from database.
}
public TransactionRepository(GNBContext context)
{
this.context = context;
}
public TransactionRepository(GNBContext context)
: base(context)
{
_context = context;
}
public Repository(GNBContext context)
{
_context = context;
}
public RateRepository(GNBContext context)
{
this.context = context;
}
public RateRepository(GNBContext context)
: base(context)
{
_context = context;
}
