public async Task HireAsync(Employee employee)
{
if (employee == null)
{
throw new ArgumentNullException(nameof(employee));
}
await dbContext.Employees.AddAsync(employee);
dbContext.SaveChanges();
}
private void SeedMockDatabase(PertensaDbContext inMemoryDbContext)
{
inMemoryDbContext.Employees.AddRangeAsync(new Employee[]
{
new Employee()
{
FirstName = "First", MiddleName = "Middle", LastName = "Last"
},
});
inMemoryDbContext.SaveChanges();
}
private void SeedMockDatabase(PertensaDbContext inMemoryDbContext)
{
inMemoryDbContext.Warehouse.AddRangeAsync(new Material[]
{
new Material(EElement.Ag, EForm.Bars, 100),
new Material(EElement.Al, EForm.Slabs, 100)
});
inMemoryDbContext.Alloys.AddRangeAsync(new Alloy[]
{
new Alloy("Ag44.6Al55.4", 1234.56M)
});
inMemoryDbContext.SaveChanges();
}
public async Task <Alloy> CreateAlloyAsync(IEnumerable <KeyValuePair <string, double> > elements)
{
StringBuilder compositionInfo = new StringBuilder();
foreach (var element in elements
.OrderByDescending(kvp => kvp.Value)
.ThenByDescending(kvp => kvp.Key))
{
compositionInfo.Append(element.Key);
compositionInfo.Append($"{element.Value:F1}");
}
string composition = compositionInfo.ToString().Trim();
if (dbContext.Alloys.Any(a => a.Composition == composition))
{
throw new DuplicateObjectException(typeof(Alloy), composition);
}
var alloy = new Alloy(composition);
await dbContext.Alloys.AddAsync(alloy);
dbContext.SaveChanges();
return(alloy);
}
