public async Task HandleAsync(CreateExpenseCommand command)
{
var expense = new Domain.Entities.Expense(command.Name, command.Cost, command.Tags, command.Created);
_db.Expenses.Add(CreateDbExpense(expense));
await _db.SaveChangesAsync();
}
private Infrastructure.Database.Expense CreateDbExpense(Domain.Entities.Expense expense)
{
var expenseTags = expense.Tags.Select(tag => new Metatag {
Value = tag.Value
});
var existingTags = _db.Metatags.Where(tag => expense.Tags.Any(et => et.Value == tag.Value)).ToList();
var newTags = expenseTags.Where(tag => !existingTags.Any(et => et.Value == tag.Value));
var expenseMetatags = existingTags.Concat(newTags)
.Select(tag => new ExpenseMetatags
{
Metatag = tag,
MetatagId = tag.Id
})
.ToList();
return(new Infrastructure.Database.Expense
{
Name = expense.Name,
Cost = (int)(expense.Cost * 100),
ExpenseMetatags = expenseMetatags,
Created = expense.Created
});
}
public static Expense ToPersistence(Domain.Entities.Expense domain)
{
return(MapperInstance.Map <Domain.Entities.Expense, Expense>(domain));
}