NadekoBot/NadekoBot.Modules.Utility/UnitConversionCommands.cs
2017-09-30 00:46:33 +02:00

87 lines
4.1 KiB
C#

using Discord;
using Discord.Commands;
using NadekoBot.Extensions;
using System;
using System.Linq;
using System.Threading.Tasks;
using NadekoBot.Common.Attributes;
using NadekoBot.Modules.Utility.Services;
namespace NadekoBot.Modules.Utility
{
public partial class Utility
{
[Group]
public class UnitConverterCommands : NadekoSubmodule<ConverterService>
{
[NadekoCommand, Usage, Description, Aliases]
public async Task ConvertList()
{
var res = _service.Units.GroupBy(x => x.UnitType)
.Aggregate(new EmbedBuilder().WithTitle(GetText("convertlist"))
.WithColor(NadekoBot.OkColor),
(embed, g) => embed.AddField(efb =>
efb.WithName(g.Key.ToTitleCase())
.WithValue(String.Join(", ", g.Select(x => x.Triggers.FirstOrDefault())
.OrderBy(x => x)))));
await Context.Channel.EmbedAsync(res);
}
[NadekoCommand, Usage, Description, Aliases]
public async Task Convert(string origin, string target, decimal value)
{
var originUnit = _service.Units.Find(x => x.Triggers.Select(y => y.ToLowerInvariant()).Contains(origin.ToLowerInvariant()));
var targetUnit = _service.Units.Find(x => x.Triggers.Select(y => y.ToLowerInvariant()).Contains(target.ToLowerInvariant()));
if (originUnit == null || targetUnit == null)
{
await ReplyErrorLocalized("convert_not_found", Format.Bold(origin), Format.Bold(target)).ConfigureAwait(false);
return;
}
if (originUnit.UnitType != targetUnit.UnitType)
{
await ReplyErrorLocalized("convert_type_error", Format.Bold(originUnit.Triggers.First()), Format.Bold(targetUnit.Triggers.First())).ConfigureAwait(false);
return;
}
decimal res;
if (originUnit.Triggers == targetUnit.Triggers) res = value;
else if (originUnit.UnitType == "temperature")
{
//don't really care too much about efficiency, so just convert to Kelvin, then to target
switch (originUnit.Triggers.First().ToUpperInvariant())
{
case "C":
res = value + 273.15m; //celcius!
break;
case "F":
res = (value + 459.67m) * (5m / 9m);
break;
default:
res = value;
break;
}
//from Kelvin to target
switch (targetUnit.Triggers.First().ToUpperInvariant())
{
case "C":
res = res - 273.15m; //celcius!
break;
case "F":
res = res * (9m / 5m) - 459.67m;
break;
}
}
else
{
if (originUnit.UnitType == "currency")
{
res = (value * targetUnit.Modifier) / originUnit.Modifier;
}
else
res = (value * originUnit.Modifier) / targetUnit.Modifier;
}
res = Math.Round(res, 4);
await Context.Channel.SendConfirmAsync(GetText("convert", value, (originUnit.Triggers.First()).SnPl(value.IsInteger() ? (int)value : 2), res, (targetUnit.Triggers.First() + "s").SnPl(res.IsInteger() ? (int)res : 2)));
}
}
}
}