/// <summary>
/// Handles a search for Denizen meta.
/// </summary>
/// <typeparam name="T">The meta type.</typeparam>
/// <param name="searchInput">The search input.</param>
/// <param name="command">The command that initiated this search.</param>
/// <param name="listOnly">Whether to only allow a list of results, rather than replying with exact or only matches.</param>
/// <returns>Whether any results were found.</returns>
public async Task HandleSearch <T>(string searchInput, BotCommand command, bool listOnly = false) where T : IDenizenMetaType
{
searchInput = searchInput.ToLower();
if (string.IsNullOrWhiteSpace(searchInput))
{
return;
}
if (searchInput == "all")
{
string allOf = typeof(T) == typeof(IDenizenMetaType) ? "meta" : (Meta.KnownMetaTypeNames[typeof(T)] + "s");
List <Embed> pages = command.Bot.Meta.AllOf <T>().Paginate((tag) => tag.GetListString())
.Select((page) => new EmbedBuilder().WithColor(Color.Gold).WithTitle("All known " + allOf).WithDescription(page).Build())
.ToList();
await command.ReplyAsync(new DiscordPaginatedMessage(pages));
return;
}
if (searchInput.StartsWith('\\'))
{
searchInput = searchInput.Substring(1);
}
IEnumerable <SearchResult <T> > results = Meta.Search <T>(searchInput).OrderByDescending((x) => x.MatchLevel);
SearchResult <T> first = results.FirstOrDefault();
if (first.Result == null)
{
Type type = typeof(T);
string error;
if (type == typeof(IDenizenMetaType))
{
error = "Nothing was found matching the specified input. :pensive:";
}
else
{
error = "No " + Meta.KnownMetaTypeNames[typeof(T)] + "s were found matching the specified input. :pensive:";
}
await command.ReplyAsync(new DiscordEmbedMessage(new EmbedBuilder().WithColor(Color.Red).WithDescription(error).Build()));
return;
}
else if (!listOnly && (first.MatchLevel == SearchMatchLevel.EXACT || results.ElementAtOrDefault(1).Result == null))
{
await command.ReplyAsync(new DenizenMetaMessage(first.Result, first.MatchLevel));
return;
}
else
{
List <Embed> pages = new List <Embed>();
EmbedBuilder builder = new EmbedBuilder().WithColor(Color.Gold);
SearchMatchLevel lastLevel = SearchMatchLevel.NONE;
EmbedFieldBuilder field = null;
string value = string.Empty;
int length = 0;
int pageLength = 0;
foreach (SearchResult <T> result in results)
{
if (result.MatchLevel != lastLevel)
{
if (field != null)
{
builder.AddField(field.WithValue(value.Substring(0, length - 2)));
pageLength += length;
value = string.Empty;
length = 0;
}
field = new EmbedFieldBuilder().WithName(MetaCommands.AdaptMatchLevelPlural(result.MatchLevel));
lastLevel = result.MatchLevel;
if (pageLength > 1250)
{
pages.Add(builder.Build());
builder = new EmbedBuilder().WithColor(Color.Gold);
}
}
string next = result.Result.GetListString() + ", ";
int newLength = next.Length + length;
if (newLength > 1000 || newLength + pageLength > 1500)
{
builder.AddField(field.WithValue(value.Substring(0, length - 2)));
pages.Add(builder.Build());
builder = new EmbedBuilder().WithColor(Color.Gold);
field = new EmbedFieldBuilder().WithName(MetaCommands.AdaptMatchLevelPlural(result.MatchLevel) + " [Continued]");
pageLength = 0;
value = next;
length = next.Length;
}
else
{
value += next;
length = newLength;
}
}
builder.AddField(field.WithValue(value.Substring(0, length - 2)));
pages.Add(builder.Build());
await command.ReplyAsync(new DiscordPaginatedMessage(pages));
return;
}
}