public static string Display <T>(this System.Collections.Generic.IEnumerable <T> o)
{
if (o.Count() <= 0)
{
return("");
}
return(o.Aggregate(" ", (a, b) => a + ", " + b).Substring(2));
}
public static IHtmlString ParseShortcodes(this HtmlHelper htmlHelper, string content)
{
System.Collections.Generic.IEnumerable <IShortcodeParser> shortcodeParsers = MrCMSApplication.GetAll <IShortcodeParser>();
content = shortcodeParsers.Aggregate(content, (current, shortcodeParser) => shortcodeParser.Parse(htmlHelper, current));
return(new HtmlString(content));
}
public Task BindModelAsync(ModelBindingContext bindingContext)
{
if (bindingContext is null)
{
throw new ArgumentNullException(nameof(bindingContext));
}
// Only accept enum values
if (!bindingContext.ModelMetadata.IsFlagsEnum)
{
return(CompletedTask);
}
ValueProviderResult provideValue = bindingContext.ValueProvider.GetValue(bindingContext.ModelName);
// Do nothing if there is no actual values
if (provideValue == ValueProviderResult.None)
{
return(CompletedTask);
}
// Get the real enum type
Type enumType = bindingContext.ModelType;
enumType = Nullable.GetUnderlyingType(enumType) ?? enumType;
// Each value self may contains a series of actual values, split it with comma
System.Collections.Generic.IEnumerable <string> strs = provideValue.Values.SelectMany(s => s.Split(','));
// Convert all items into enum items.
System.Collections.Generic.IEnumerable <object> actualValues = strs.Select(valueString => Enum.Parse(enumType, valueString));
// Merge to final result
int result = actualValues.Aggregate(0, (current, value) => current | (int)value);
// Convert to Enum object
object realResult = Enum.ToObject(enumType, result);
// Result
bindingContext.Result = ModelBindingResult.Success(realResult);
return(CompletedTask);
}
/// <summary>
/// Sum of the double collection
/// </summary>
/// <param name="source">Current collection</param>
/// <returns>The sum of the elements</returns>
public static double Sum1(this System.Collections.Generic.IEnumerable <double> source)
{
return(source.Aggregate((x, y) => x + y));
}