/// <summary>
/// Initializes a new instance of the <see cref="PagedEnumerableNavigation"/> class using the
/// given builder.
/// </summary>
/// <param name="builder">The builder to use.</param>
private PagedEnumerableNavigation(PagedEnumerableNavigationBuilder builder)
{
if (builder is null)
{
throw new ArgumentNullException(nameof(builder));
}
if (builder.FirstPageNumber > builder.LastPageNumber)
{
throw new ArgumentOutOfRangeException(
paramName: $"{nameof(builder.FirstPageNumber)}",
message: $"Parameter: {nameof(builder.FirstPageNumber)} must be less than parameter: ${nameof(builder.LastPageNumber)}");
}
if (builder.FirstPageNumber > builder.CurrentPageNumber)
{
throw new ArgumentOutOfRangeException(
paramName: $"{nameof(builder.FirstPageNumber)}",
message: $"Parameter: {nameof(builder.FirstPageNumber)} must be less than parameter: ${nameof(builder.CurrentPageNumber)}");
}
if (builder.CurrentPageNumber > builder.LastPageNumber)
{
throw new ArgumentOutOfRangeException(
paramName: $"{nameof(builder.CurrentPageNumber)}",
message: $"Parameter: {nameof(builder.CurrentPageNumber)} must be less than parameter: ${nameof(builder.LastPageNumber)}");
}
this.FirstPageNumber = builder.FirstPageNumber;
this.CurrentPageNumber = builder.CurrentPageNumber;
this.LastPageNumber = builder.LastPageNumber;
}
/// <summary>
/// Initializes a new instance of the <see cref="PagedEnumerableNavigation"/> class with default values.
/// </summary>
/// <remarks>
/// Think of this like a default constructor, all properties will have default values and be well formed.
/// </remarks>
/// <returns>A new instance of the <see cref="PagedEnumerableNavigation"/> class with default values.</returns>
public static PagedEnumerableNavigation Default()
{
// TODO: Unit tests for this.
return(Create(PagedEnumerableNavigationBuilder.Create()));
}
/// <summary>
/// Initializes a new instance of the <see cref="PagedEnumerableNavigation"/> class using the
/// given first, last and current page numbers.
/// </summary>
/// <param name="builder">The builder to use.</param>
/// <returns>A new instance of <see cref="PagedEnumerableNavigation"/>.</returns>
public static PagedEnumerableNavigation Create(PagedEnumerableNavigationBuilder builder)
{
return(new PagedEnumerableNavigation(builder));
}