public static List <Forcast> parseForcasts(XmlDocument document, string elementName)
{
XmlNodeList elemList = document.GetElementsByTagName(elementName);
List <Forcast> forcastList = new List <Forcast>();
foreach (XmlNode elem in elemList)
{
Forcast forcast = new Forcast();
forcast.ForcastDate = DateTime.ParseExact(elem.Attributes["date"].Value,
"d MMM yyyy", System.Globalization.CultureInfo.InvariantCulture);
forcast.LowTemp = int.Parse(elem.Attributes["low"].Value);
forcast.HighTemp = int.Parse(elem.Attributes["high"].Value);
forcast.ForcastDetails = elem.Attributes["text"].Value;
forcastList.Add(forcast);
}
return(forcastList);
}
public static List <string> generateAlerts(Forcast forcast)
{
if (forcast.LowTemp > forcast.HighTemp)
{
throw new ArgumentException("The Low Temperature cannot be higher than the high temperature");
}
List <string> output = new List <string>();
string formatDate = forcast.ForcastDate.ToString("dddd, MMMM d");
if (forcast.LowTemp <= FREEZING_TEMP_THRESHOLD)
{
output.Add(string.Format(FREEZING_TEMP_ALERT, formatDate));
}
if (forcast.HighTemp >= HIGH_HEAT_THRESHOLD)
{
output.Add(string.Format(HIGH_HEAT_ALERT, formatDate));
}
if (forcast.ForcastDetails.ToLower().Contains(RAIN_STRING))
{
output.Add(string.Format(RAIN_ALERT, formatDate));
}
if (forcast.ForcastDetails.ToLower().Contains(THUNDERSTORM_STRING))
{
output.Add(string.Format(THUNDERSTORM_ALERT, formatDate));
}
if (forcast.ForcastDetails.ToLower().Contains(SNOW_STRING))
{
output.Add(string.Format(SNOW_ALERT, formatDate));
}
if (forcast.ForcastDetails.ToLower().Contains(ICE_STRING))
{
output.Add(string.Format(ICE_ALERT, formatDate));
}
return(output);
}
public override bool Equals(Object obj)
{
Forcast forcastObj = obj as Forcast;
if (forcastObj == null)
{
return(false);
}
else
{
if (forcastObj.ForcastDate.Equals(ForcastDate) &&
forcastObj.LowTemp == LowTemp &&
forcastObj.HighTemp == HighTemp &&
forcastObj.ForcastDetails.Equals(ForcastDetails))
{
return(true);
}
}
return(false);
}
