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basic conversion including exchange pairs

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This commit is contained in:
Adam R Grey 2023-04-14 21:40:54 -04:00
parent d90123a56d
commit 362a8784ba
9 changed files with 293 additions and 4 deletions
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1
.gitignore vendored
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@ -1,4 +1,5 @@
appsettings.json
assets/exchangepairs.json
# ---> VisualStudio
## Ignore Visual Studio temporary files, build results, and

22
Conversion/ConversionConfig.cs Normal file
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@ -0,0 +1,22 @@
using System;
using System.Collections.Generic;
namespace silverworker_discord.Conversion
{
public class ConversionConfig
{
public class KnownUnit
{
public string Canonical { get; set; }
public IEnumerable<string> Aliases { get; set; }
}
public class LinearPair
{
public string item1 { get; set; }
public string item2 { get; set; }
public decimal factor { get; set; }
}
public IEnumerable<KnownUnit> Units { get; set; }
public IEnumerable<LinearPair> LinearPairs { get; set; }
}
}

179
Conversion/Converter.cs Normal file
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@ -0,0 +1,179 @@
using System;
using System.Text.RegularExpressions;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using Discord;
using Discord.WebSocket;
using Newtonsoft.Json;
using QRCoder;
namespace silverworker_discord.Conversion
{
public static class Converter
{
private delegate decimal Convert1Way(decimal input);
private static string currencyPath;
private static ExchangePairs currencyConf = null;
private static DateTime lastUpdatedCurrency = DateTime.UnixEpoch;
private static List<Tuple<string, string, Convert1Way, Convert1Way>> knownConversions = new List<Tuple<string, string, Convert1Way, Convert1Way>>()
{
new Tuple<string, string, Convert1Way, Convert1Way>("℉", "°C", (f => {return(f- 32.0m) / 1.8m;}), (c => {return 1.8m*c + 32.0m;})),
};
private static Dictionary<List<string>, string> knownAliases = new Dictionary<List<string>, string>(new List<KeyValuePair<List<string>, string>>());
public static string convert(string message)
{
var theseMatches = Regex.Matches(message, "\\b([\\d]+\\.?\\d*) ?([^\\d\\s].*) (in|to|as) ([^\\d\\s].*)$", RegexOptions.IgnoreCase);
if (theseMatches != null && theseMatches.Count > 0 && theseMatches[0].Groups != null && theseMatches[0].Groups.Count == 5)
{
decimal asNumeric = 0;
if (decimal.TryParse(theseMatches[0].Groups[1].Value, out asNumeric))
{
return actualConvert(asNumeric, theseMatches[0].Groups[2].Value, theseMatches[0].Groups[4].Value.ToLower());
}
return "mysteriously semi-parsable";
}
return "unparsable";
}
public static void Load(string currencyPath)
{
Converter.currencyPath = currencyPath;
var convConf = JsonConvert.DeserializeObject<ConversionConfig>(File.ReadAllText("assets/conversion.json"));
foreach (var unit in convConf.Units)
{
knownAliases.Add(unit.Aliases.ToList(), unit.Canonical);
}
foreach (var lp in convConf.LinearPairs)
{
AddLinearPair(lp.item1, lp.item2, lp.factor);
}
loadCurrency();
}
private static void loadCurrency()
{
if (File.Exists(currencyPath))
{
currencyConf = JsonConvert.DeserializeObject<ExchangePairs>(File.ReadAllText(currencyPath));
knownAliases.Add(new List<string>() { currencyConf.Base.ToLower() }, currencyConf.Base);
foreach (var rate in currencyConf.rates)
{
knownAliases.Add(new List<string>() { rate.Key.ToLower() }, rate.Key);
AddLinearPair(currencyConf.Base, rate.Key, rate.Value);
}
}
}
private static string actualConvert(decimal numericTerm, string sourceunit, string destinationUnit)
{
var normalizedSourceUnit = normalizeUnit(sourceunit);
if (string.IsNullOrWhiteSpace(normalizedSourceUnit))
{
return $"what's {sourceunit}?";
}
var normalizedDestUnit = normalizeUnit(destinationUnit);
if (string.IsNullOrWhiteSpace(normalizedDestUnit))
{
return $"what's {destinationUnit}?";
}
if (normalizedSourceUnit == normalizedDestUnit)
{
return $"source and dest are the same, so... {numericTerm} {normalizedDestUnit}?";
}
var foundPath = exhaustiveBreadthFirst(normalizedDestUnit, new List<string>() { normalizedSourceUnit })?.ToList();
if (foundPath != null)
{
var accumulator = numericTerm;
for (int j = 0; j < foundPath.Count - 1; j++)
{
var forwardConversion = knownConversions.FirstOrDefault(kc => kc.Item1 == foundPath[j] && kc.Item2 == foundPath[j + 1]);
if (forwardConversion != null)
{
accumulator = forwardConversion.Item3(accumulator);
}
else
{
var reverseConversion = knownConversions.First(kc => kc.Item2 == foundPath[j] && kc.Item1 == foundPath[j + 1]);
accumulator = reverseConversion.Item4(accumulator);
}
}
if (normalizedDestUnit == currencyConf.Base || currencyConf.rates.Select(r => r.Key).Contains(normalizedDestUnit))
{
return $"{String.Format("approximately {0:0.00}", accumulator)} {normalizedDestUnit} as of {currencyConf.DateUpdated.ToLongDateString()}";
}
else
{
return $"{String.Format("{0:0.####}", accumulator)} {normalizedDestUnit}";
}
}
return "no conversion known";
}
private static string normalizeUnit(string unit)
{
var normalizedUnit = unit.ToLower();
if (normalizedUnit.EndsWith("es"))
{
normalizedUnit = normalizedUnit.Substring(0, normalizedUnit.Length - 2);
}
else if (normalizedUnit.EndsWith('s'))
{
normalizedUnit = normalizedUnit.Substring(0, normalizedUnit.Length - 1);
}
if (knownConversions.FirstOrDefault(c => c.Item1 == normalizedUnit || c.Item2 == normalizedUnit) != null)
{
return normalizedUnit;
}
if (!knownAliases.ContainsValue(normalizedUnit))
{
var key = knownAliases.Keys.FirstOrDefault(listkey => listkey.Contains(normalizedUnit));
if (key != null)
{
return knownAliases[key];
}
}
return null;
}
private static IEnumerable<string> exhaustiveBreadthFirst(string dest, IEnumerable<string> currentPath)
{
var last = currentPath.Last();
if (last == dest)
{
return currentPath;
}
var toTest = new List<List<string>>();
foreach (var conv in knownConversions)
{
if (conv.Item1 == last && currentPath.Contains(conv.Item2) == false && conv.Item3 != null)
{
var test = exhaustiveBreadthFirst(dest, currentPath.Append(conv.Item2));
if (test != null)
return test;
}
if (conv.Item2 == last && currentPath.Contains(conv.Item1) == false && conv.Item4 != null)
{
var test = exhaustiveBreadthFirst(dest, currentPath.Append(conv.Item1));
if (test != null)
return test;
}
}
return null;
}
private static void AddLinearPair(string key1, string key2, decimal factor)
{
var reverseFactor = 1.0m / factor;
knownConversions.Add(new Tuple<string, string, Convert1Way, Convert1Way>(
key1, key2, x => x * factor, y => y * reverseFactor
));
}
}
}

15
Conversion/ExchangePairs.cs Normal file
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using System;
using System.Collections.Generic;
namespace silverworker_discord.Conversion
{
public class ExchangePairs
{
public string disclaimer{ get; set; }
public string license{ get; set; }
public int timestamp{ get; set; }
public DateTime DateUpdated { get { return DateTime.UnixEpoch.AddSeconds(timestamp); }}
public string Base{ get; set; }
public Dictionary<string, decimal> rates { get; set; }
}
}

5
Features.cs
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@ -1,4 +1,5 @@
using System;
using System.Text.RegularExpressions;
using System.Collections.Generic;
using System.IO;
using System.Linq;
@ -151,6 +152,10 @@ namespace silverworker_discord
Console.Error.WriteLine($"convert failed :( qr{todaysnumber}");
}
}
public static async void Convert(SocketUserMessage message)
{
await message.Channel.SendMessageAsync(Conversion.Converter.convert(message.Content));
}
public static async void Joke(SocketUserMessage message)
{
var jokes = File.ReadAllLines("assets/jokes.txt");

7
Program.cs
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@ -47,11 +47,14 @@ namespace silverworker_discord
}
}
#endif
Conversion.Converter.Load(config["exchangePairsLocation"]);
_client = new DiscordSocketClient();
_client.Log += Log;
Console.WriteLine("token, why u null?");
Console.WriteLine(config["token"]);
await _client.LoginAsync(TokenType.Bot, config["token"]);
await _client.StartAsync();
@ -200,6 +203,10 @@ namespace silverworker_discord
{
//Features.countdown(msgText.Substring("!countdown ".Length + msgText.IndexOf("!countdown ")), message); //converting human readable times is hard :/
}
if (msgText.Contains("!freedomunits "))
{
Features.Convert(message);
}
if (Regex.IsMatch(msgText, "!joke\\b"))
{
Features.Joke(message);

3
appsettings.example.json
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@ -1,3 +1,4 @@
{
"token": "59 chars"
"token": "59 chars",
"exchangePairsLocation": "assets/exchangepairs.json"
}

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assets/conversion.json Normal file
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{
"units":[
{
"canonical": "f",
"aliases": ["degrees fahrenheit"]
}
],
"linearPairs":[
{"item1":"kg", "item2":"g", "factor":1000},
{"item1":"lb", "item2":"oz", "factor":16},
{"item1":"kg", "item2":"lb", "factor":2.204623},
{"item1":"km", "item2":"m", "factor":1000},
{"item1":"mi", "item2":"ft", "factor":5280},
{"item1":"m", "item2":"in", "factor":39.37008},
{"item1":"m", "item2":"cm", "factor":100},
{"item1":"km", "item2":"mi", "factor":0.6213712},
{"item1":"ft", "item2":"in", "factor":12},
{"item1":"yd", "item2":"ft", "factor":3},
{"item1":"chain", "item2":"yd", "factor":22},
{"item1":"chain", "item2":"link", "factor":100},
{"item1":"furlong", "item2":"mi", "factor":8},
{"item1":"rod", "item2":"ft", "factor":16.5},
{"item1":"AU", "item2":"ly", "factor": 0.0000158125},
{"item1":"ly", "item2":"km", "factor": 946070000000},
{"item1":"pc", "item2":"AU", "factor":206266.3},
{"item1":"floz", "item2":"mL", "factor":29.57344},
{"item1":"L", "item2":"mL", "factor":1000},
{"item1":"L", "item2":"floz", "factor":33.81402},
{"item1":"hhd", "item2":"gal", "factor":54},
{"item1":"barrel", "item2":"kilderkin", "factor":2},
{"item1":"barrel", "item2":"firkin", "factor":4},
{"item1":"pint", "item2":"floz", "factor":16},
{"item1":"cup", "item2":"floz", "factor":8},
{"item1":"gill", "item2":"floz", "factor":4},
{"item1":"tbsp", "item2":"tsp", "factor":3},
{"item1":"tbsp", "item2":"floz", "factor":0.5},
{"item1":"gal", "item2":"floz", "factor":128},
{"item1":"gal", "item2":"qt", "factor":4},
{"item1":"acre", "item2":"yd^2", "factor":4840},
{"item1":"yd^2", "item2":"m^2", "factor":0.836127},
{"item1":"mph", "item2":"knot", "factor":0.868976},
{"item1":"mph", "item2":"kph", "factor":1.609343550606653},
{"item1":"kPa", "item2":"Pa", "factor":1000},
{"item1":"Nm^2", "item2":"Pa", "factor":1},
{"item1":"Pa", "item2":"bar", "factor":100},
{"item1":"atm", "item2":"Pa", "factor":101325},
{"item1":"bar", "item2":"psi", "factor":14.5038}
]
}

9
shtikbot-discord.csproj
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@ -16,14 +16,17 @@
</ItemGroup>
<ItemGroup>
<None Update="AppSettings.json">
<CopyToOutputDirectory>Always</CopyToOutputDirectory>
</None>
<None Update="assets/jokes.txt">
<CopyToOutputDirectory>Always</CopyToOutputDirectory>
</None>
<None Update="assets/coding and algorithms.png">
<CopyToOutputDirectory>Always</CopyToOutputDirectory>
</None>
<None Update="assets/ekgblip.png">
<CopyToOutputDirectory>Always</CopyToOutputDirectory>
</None>
<None Update="appsettings.json">
<CopyToOutputDirectory>Never</CopyToOutputDirectory>
</None>
</ItemGroup>
</Project>