/// <summary>
/// Creates a simple paginated list from a collection of items.
/// </summary>
/// <param name="feedbackService">The user feedback service.</param>
/// <param name="sourceUser">The user who caused the interactive message to be created.</param>
/// <param name="items">The items.</param>
/// <param name="pageBuilder">A function that builds a page for a single value in the collection.</param>
/// <param name="emptyCollectionDescription">The description to use when the collection is empty.</param>
/// <param name="appearance">The appearance settings to use for the pager.</param>
/// <typeparam name="TItem">The type of the items in the collection.</typeparam>
/// <returns>The paginated embed.</returns>
public static async Task <PaginatedEmbed> PagesFromCollectionAsync <TItem>
(
UserFeedbackService feedbackService,
IUser sourceUser,
IEnumerable <TItem> items,
Func <EmbedBuilder, TItem, Task> pageBuilder,
[NotNull] string emptyCollectionDescription = "There's nothing here.",
[CanBeNull] PaginatedAppearanceOptions appearance = null
)
{
appearance = appearance ?? PaginatedAppearanceOptions.Default;
var enumeratedItems = items.ToList();
var paginatedEmbed = new PaginatedEmbed(feedbackService, sourceUser)
{
Appearance = appearance
};
IEnumerable <EmbedBuilder> pages;
if (!enumeratedItems.Any())
{
var eb = paginatedEmbed.Appearance.CreateEmbedBase().WithDescription(emptyCollectionDescription);
pages = new[] { eb };
}
else
{
var pageList = new List <EmbedBuilder>();
foreach (var item in enumeratedItems)
{
var page = paginatedEmbed.Appearance.CreateEmbedBase();
await pageBuilder(page, item);
pageList.Add(page);
}
pages = pageList;
}
paginatedEmbed.WithPages(pages);
return(paginatedEmbed);
}
/// <summary>
/// Creates a simple paginated list from a collection of items.
/// </summary>
/// <param name="feedbackService">The user feedback service.</param>
/// <param name="sourceUser">The user who caused the interactive message to be created.</param>
/// <param name="items">The items.</param>
/// <param name="titleSelector">A function that selects the title for each field.</param>
/// <param name="valueSelector">A function that selects the value for each field.</param>
/// <param name="emptyCollectionDescription">The description to use when the collection is empty.</param>
/// <param name="appearance">The appearance settings to use for the pager.</param>
/// <typeparam name="TItem">The type of the items in the collection.</typeparam>
/// <returns>The paginated embed.</returns>
public static PaginatedEmbed SimpleFieldsFromCollection <TItem>
(
UserFeedbackService feedbackService,
IUser sourceUser,
IEnumerable <TItem> items,
Func <TItem, string> titleSelector,
Func <TItem, string> valueSelector,
[NotNull] string emptyCollectionDescription = "There's nothing here.",
[CanBeNull] PaginatedAppearanceOptions appearance = null
)
{
appearance = appearance ?? PaginatedAppearanceOptions.Default;
var enumeratedItems = items.ToList();
var paginatedEmbed = new PaginatedEmbed(feedbackService, sourceUser)
{
Appearance = appearance
};
IEnumerable <EmbedBuilder> pages;
if (!enumeratedItems.Any())
{
var eb = paginatedEmbed.Appearance.CreateEmbedBase().WithDescription(emptyCollectionDescription);
pages = new[] { eb };
}
else
{
var fields = enumeratedItems.Select
(
i =>
new EmbedFieldBuilder().WithName(titleSelector(i)).WithValue(valueSelector(i))
);
pages = PageFactory.FromFields(fields);
}
paginatedEmbed.WithPages(pages);
return(paginatedEmbed);
}
