public static ShipmentNotice FromEmail(MailMessage email)
{
if (email is null)
{
throw new ArgumentNullException(nameof(email));
}
if (email.Subject != "Order Shipped")
{
throw new ArgumentException($"Wrong email type:{email.Subject}");
}
if (rxCurrency.Matches(email.Body).Count < 5)
{
throw new ArgumentException("Too few currency symbols found.");
}
Match match = rxOrderNumber.Match(email.Body);
if (!match.Success)
{
throw new ArgumentException("Invalid email body");
}
ShipmentNotice notice = new ShipmentNotice
{
OrderNumber = int.Parse(match.Groups[1].Value),
CustomerName = match.Groups[2].Value,
EmailTo = match.Groups[3].Value
};
string[] lines = email.Body.Split(delimiters, StringSplitOptions.None);
// This loop is for importing the customer name and then it will move on to the lines of the address
for (int nLine = 0; nLine < lines.Length; ++nLine)
{
if (lines[nLine] == notice.CustomerName)
{
List <string> addressLines = new List <string>();
addressLines.AddRange(lines.Skip(nLine + 1).
TakeWhile(l => l != ""));
notice.AddressLines = addressLines.AsReadOnly();
continue;
}// This statement is for the item description in order to access the orders
if (lines[nLine].StartsWith("Item Description"))
{
List <OrderDetail> details = lines.Skip(nLine + 1).
TakeWhile(l => l != "").
Select(l => new OrderDetail(l)).
ToList();
notice.OrderDetails = details.AsReadOnly();
continue;
}
if (lines[nLine].StartsWith("The tax"))
{
MatchCollection matches = rxCurrency.Matches(lines[nLine]);
notice.Tax = decimal.Parse(matches[0].Value.Substring(1));
notice.Shipping = decimal.Parse(matches[1].Value.Substring(1));
notice.OrderTotal = decimal.Parse(matches[2].Value.Substring(1));
continue;
}
if (lines[nLine].StartsWith(CommentPreamble))
{
notice.CustomerComments = lines[nLine].
Substring(CommentPreamble.Length).
Replace("\"", "");
break;
}
}
return(notice);
} // The collection of all of the code listed before the line of code.
public static ShipmentNotice FromEmail(MailMessage email)
{
//Order (\d+) \((.*)\).*"(.+)"
if (email is null)
{
throw new ArgumentNullException(nameof(email));
}
else if (email.Subject != "Order Shipped")
{
throw new ArgumentNullException($"Wrong email type: {email.Subject}");
}
if (rxCurrency.Matches(email.Body).Count < 5)
{
throw new ArgumentException("Too few currency symbols found.");
}
// Match the body of the email to Regex expressing
Match match = rxOrdernumber.Match(email.Body);
if (!match.Success)
{
throw new ArgumentException("Invalid email body");
}
ShipmentNotice notice = new ShipmentNotice
{
OrderNumber = int.Parse(match.Groups[1].Value),
CustomerName = match.Groups[2].Value,
EmailTo = match.Groups[3].Value
};
string[] lines = email.Body.Split(delimiters, StringSplitOptions.None);
for (int nLine = 0; nLine < lines.Length; ++nLine)
{
if (lines[nLine] == notice.CustomerName)
{
List <string> addressLines = new List <string>();
// Skips each line until next return
addressLines.AddRange(lines.Skip(nLine + 1).TakeWhile(l => l != ""));
notice.AddressLines = addressLines.AsReadOnly();
continue;
}
if (lines[nLine].StartsWith("Item Description"))
{
// Convert strings into order details
List <OrderDetail> details = lines.Skip(nLine + 1).
TakeWhile(l => l != "").
Select(l => new OrderDetail(l)).
ToList();
notice.OrderDetails = details.AsReadOnly();
continue;
}
if (lines[nLine].StartsWith("The tax"))
{
MatchCollection matches = rxCurrency.Matches(lines[nLine]);
notice.Tax = decimal.Parse(matches[0].Value.Substring(1));
notice.Shipping = decimal.Parse(matches[1].Value.Substring(1));
notice.OrderTotal = decimal.Parse(matches[2].Value.Substring(1));
continue;
}
if (lines[nLine].StartsWith(CommentPreamble))
{
notice.CustomerComments = lines[nLine].
Substring(CommentPreamble.Length).
Replace("\"", "");
break;
}
}
return(notice);
}
