/// <summary>
/// Calculates the percent of the step goal reached.
/// </summary>
public OperationResult<decimal> CalculatePercentOfGoalStepsOR(string goalSteps, string actualSteps)
{
var operationResult = new OperationResult<decimal>(0m, "");
if (string.IsNullOrWhiteSpace(goalSteps))
{
operationResult.AddMessage("Goal steps must be entered");
return operationResult;
}
if (string.IsNullOrWhiteSpace(actualSteps))
{
operationResult.AddMessage("Actual steps must be entered");
return operationResult;
}
decimal goalStepCount = 0;
if (!decimal.TryParse(goalSteps, out goalStepCount))
{
operationResult.AddMessage("Goal steps must be numeric");
return operationResult;
}
decimal actualStepCount = 0;
if (!decimal.TryParse(actualSteps, out actualStepCount))
{
operationResult.AddMessage("Actual steps must be numeric");
return operationResult;
}
operationResult.Value = CalculatePercentOfGoalSteps(goalStepCount, actualStepCount);
return operationResult;
}
public OperationResult DeleteByRowNumber(string rowNumber)
{
var result = new OperationResult();
try
{
_ctx.Rows.Remove(Query.EQ("Number", rowNumber));
}
catch (Exception ex)
{
result.Success = false;
result.AddMessage(ex.Message);
}
return result;
}
public OperationResult Add(Row rowToAdd)
{
var result = new OperationResult();
try
{
_ctx.Rows.Insert(rowToAdd);
}
catch (Exception ex)
{
result.Success = false;
result.AddMessage(ex.Message);
}
return result;
}
/// <summary>
/// Validates the customer email address.
/// </summary>
/// <returns></returns>
public OperationResult<bool> ValidateEmail()
{
var op = new OperationResult<bool>();
if (string.IsNullOrWhiteSpace(this.EmailAddress))
{
op.Value = false;
op.AddMessage("Email address is null");
}
if (op.Value)
{
var isValidFormat = true;
// Code here that validates the format of the email
// using Regular Expressions.
if (!isValidFormat)
{
op.Value = false;
op.AddMessage("Email address is not in a correct format");
}
}
if (op.Value)
{
var isRealDomain = true;
// Code here that confirms whether domain exists.
if (!isRealDomain)
{
op.Value = false;
op.AddMessage("Email address does not include a valid domain");
}
}
return op;
}
public OperationResult PlaceOrder(Customer customer, Order order, Payment payment, bool allowSplitOrders, bool emailReceipt)
{
// This program makes assertions that certain functions are running (as functions below)
// These will throw a warning during debuging if an assertion isn't true
Debug.Assert(customerRepository != null, "Missing customer repository instance N***A");
Debug.Assert(orderRepository != null, "Missing order repository instance");
Debug.Assert(inventoryRepository != null, "Missing inventory repository instance");
Debug.Assert(emailLibrary != null, "Missing email library instance");
if (customer == null) throw new ArgumentNullException("Customer instance is null");
if (order == null) throw new ArgumentNullException("Order instance is null");
if (payment == null) throw new ArgumentNullException("Payment instance is null");
var op = new OperationResult();
customerRepository.Add(customer);
orderRepository.Add(order);
inventoryRepository.OrderItems(order, allowSplitOrders);
payment.ProcessPayment();
if (emailReceipt)
{
var result = customer.ValidateEmail();
if (result.Success)
{
customerRepository.Update();
emailLibrary.SendEmail(customer.EmailAddress, "Here is your receipt");
}
else
{
// log the messages
if (result.MessageList.Any())
{
op.AddMessage(result.MessageList[0]);
}
}
}
return op;
}
public OperationResult Update(string rowNumber, Row rowToUpdate)
{
var result = new OperationResult();
try
{
var row = _ctx.Rows.FindOne(Query.EQ("Number", rowNumber));
if (row == null)
{
result.Success = false;
result.AddMessage(string.Format("Not found", rowNumber));
return result;
}
row.Cells = rowToUpdate.Cells;
_ctx.Rows.Save(row);
}
catch (Exception ex)
{
result.Success = false;
result.AddMessage(ex.Message);
}
return result;
}