/// <summary>
/// Converts a dictionary object to a query string representation such as:
/// firstname=shannon&lastname=deminick
/// </summary>
/// <param name="items"></param>
/// <param name="keysToIgnore">Any keys found in this collection will be removed from the output</param>
/// <returns></returns>
public static string ToQueryString(this FormCollection items, params string[] keysToIgnore)
{
if (items == null)
{
return("");
}
if (items.Any() == false)
{
return("");
}
var builder = new StringBuilder();
foreach (var(key, value) in items.Where(i => keysToIgnore.InvariantContains(i.Key) == false))
{
builder.Append($"{key}={value}&");
}
return(builder.ToString().TrimEnd(Constants.CharArrays.Ampersand));
}
/// <summary>
/// Checks if the collection contains the key
/// </summary>
/// <param name="items"></param>
/// <param name="key"></param>
/// <returns></returns>
public static bool HasKey(this FormCollection items, string key)
{
return(items.Any(x => x.Key.InvariantEquals(key)));
}