public async Task <Result <Customer> > FindCustomerAsync(FindCustomerOptions options)
{
var q = _dbContext.Set <Customer>()
.AsQueryable();
if (!string.IsNullOrWhiteSpace(options.Name))
{
q = q.Where(c => c.Name == options.Name);
}
if (!string.IsNullOrWhiteSpace(options.Surname))
{
q = q.Where(c => c.Surname == options.Surname);
}
if (!string.IsNullOrWhiteSpace(options.VatNumber))
{
q = q.Where(c => c.VatNumber == options.VatNumber);
}
if (options.CustomerId != 0)
{
q = q.Where(c => c.CustomerId == options.CustomerId);
}
var result = await q.SingleOrDefaultAsync();
if (result == null)
{
return(new Result <Customer>()
{
Data = null,
Code = Constants.ResultCode.NotFound
});
}
return(new Result <Customer>()
{
Data = result,
Code = Constants.ResultCode.Success
});
}
// Note: Initial implemementation. Will be modified
// to return a more structured and informative type.
public async Task <Result <Transaction> > CreateTransactionAsync(CreateTransactionOptions options)
{
if (string.IsNullOrWhiteSpace(options.AccountId))
{
return(new Result <Transaction>()
{
ErrorMessage = "AccountId is empty",
Code = Constants.ResultCode.BadRequest
});
}
if (options.TrnAmount == 0)
{
return(new Result <Transaction>()
{
ErrorMessage = "TrnAmount is empty",
Code = Constants.ResultCode.BadRequest
});
}
if (options.Category == 0)
{
return(new Result <Transaction>()
{
ErrorMessage = "Category is empty",
Code = Constants.ResultCode.BadRequest
});
}
if (options.CustomerId == 0)
{
return(new Result <Transaction>()
{
ErrorMessage = "CustomerId is empty",
Code = Constants.ResultCode.BadRequest
});
}
//υπάρχει καταχωρημένος ο πελάτης?
var opt = new FindCustomerOptions()
{
CustomerId = options.CustomerId
};
var q = new CustomerService(_dbContext).FindCustomerAsync(opt).Result.Data;
if (q == null)
{
return(new Result <Transaction>()
{
ErrorMessage = "Customer not registered",
Code = Constants.ResultCode.NotFound
});
}
//υπάρχει καταχωρημένος ο λογαριασμός?
var acc = new AccountService(_dbContext).FindAccountAsync(options.AccountId).Result.Data;
if (acc == null)
{
return(new Result <Transaction>()
{
ErrorMessage = "Account not registered",
Code = Constants.ResultCode.NotFound
});
}
if (options.Category.Equals(TrnCategory.Pistwsh))
{
var trn = new Transaction
{
AccountId = options.AccountId,
TrnAmount = options.TrnAmount,
Category = options.Category
};
acc.AddTrn(trn);
_dbContext.Add(trn);
try
{
await _dbContext.SaveChangesAsync();
}
catch (Exception)
{
return(new Result <Transaction>()
{
Code = Constants.ResultCode.InternalServerError,
ErrorMessage = "Transaction could not be saved"
});
}
return(new Result <Transaction>()
{
Data = trn,
Code = Constants.ResultCode.Success,
});
}
if (options.Category.Equals(TrnCategory.Xrewsh) & (acc.TotalAmount - options.TrnAmount >= 0) &
(q.CustomerId == acc.CustomerId))
{
var trn = new Transaction
{
AccountId = options.AccountId,
TrnAmount = options.TrnAmount,
Category = options.Category
};
acc.AddTrn(trn);
_dbContext.Add(trn);
try
{
await _dbContext.SaveChangesAsync();
}
catch (Exception)
{
return(new Result <Transaction>()
{
Code = Constants.ResultCode.InternalServerError,
ErrorMessage = "Transaction could not be saved"
});
}
return(new Result <Transaction>()
{
Data = trn,
Code = Constants.ResultCode.Success,
});
}
else
{
return(new Result <Transaction>()
{
Code = Constants.ResultCode.InternalServerError,
ErrorMessage = "Transaction could not be saved"
});
}
}
public async Task <Result <Account> > CreateAccountAsync(CreateAccountOptions options)
{
if (string.IsNullOrWhiteSpace(options.AccountId))
{
//turn null;
return(new Result <Account>()
{
ErrorMessage = "AccountId is required",
Code = Constants.ResultCode.BadRequest
});
}
if (options.CustomerId == 0)
{
return(new Result <Account>()
{
ErrorMessage = "Customer is required",
Code = Constants.ResultCode.BadRequest
});
}
var opt = new FindCustomerOptions()
{
CustomerId = options.CustomerId
};
var q = new CustomerService(_dbContext).FindCustomerAsync(opt).Result.Data;
//var q = _customers.FindCustomer(opt);
if (q == null)
{
return(new Result <Account>()
{
ErrorMessage = "Customer is not registered",
Code = Constants.ResultCode.NotFound
});
}
var account = new Account()
{
AccountId = options.AccountId,
CustomerId = options.CustomerId
};
_dbContext.Add(account);
try
{
await _dbContext.SaveChangesAsync();
}
catch (Exception)
{
return(new Result <Account>()
{
Code = Constants.ResultCode.InternalServerError,
ErrorMessage = "Account could not be saved"
});
}
return(new Result <Account>()
{
Code = Constants.ResultCode.Success,
Data = account
});
}
