/// <summary>Adds the daily data.</summary>
/// <param name="theData">The data.</param>
/// <exception cref="ArgumentNullException">theData - must not be null</exception>
public void AddDailyData(Covid19DailyData theData)
{
if (theData == null)
{
throw new ArgumentNullException(nameof(theData), "must not be null");
}
this.Covid19Data.Add(theData);
}
/// <summary>
/// Check if the Collection already contains an data object similar to the parameter
/// </summary>
/// <param name="theData"></param>
/// precondition: theData != null
/// <returns>true, if the collection has a member that matches the parameter</returns>
public bool ContainsSimilarData(Covid19DailyData theData)
{
if (theData == null)
{
throw new ArgumentNullException(nameof(theData), "cannot be null");
}
var containsSimilar =
this.Covid19Data.Any(data => data.DataDate == theData.DataDate && data.State == theData.State);
return(containsSimilar);
}
