RikoBot-Sharp/Utils.cs
2020-05-03 18:58:55 +02:00

93 lines
3.1 KiB
C#

using System.Linq;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using System.Web;
using Telegram.Bot.Types;
using Telegram.Bot.Types.Enums;
namespace RSSBot {
public static class Utils {
private static readonly Regex RegexHtml = new Regex("<.*?>");
public static string StripHtml(string input) {
return RegexHtml.Replace(input, string.Empty).Trim();
}
private static string CleanRss(string input) {
string[] replacements = {
"[←]",
"[…]",
"[...]",
"[bilder]",
"[boerse]",
"[mehr]",
"[video]",
"...[more]",
"[more]",
"[liveticker]",
"[livestream]",
"[multimedia]",
"[sportschau]",
"[phoenix]",
"[swr]",
"[ndr]",
"[mdr]",
"[rbb]",
"[wdr]",
"[hr]",
"[br]",
"Click for full.",
"Read more »",
"Read more",
"...Read More",
"...mehr lesen",
"mehr lesen",
"(more…)",
"View On WordPress",
"Continue reading →",
"» weiterlesen",
"Ein Kommentar.",
"Änderungen zeigen",
"(Feed generated with FetchRSS)",
"(RSS generated with FetchRss)",
"-- Delivered by Feed43 service",
"Meldung bei www.tagesschau.de lesen"
};
string[] regexReplacements = {
"Der Beitrag.*erschien zuerst auf .+.",
"The post.*appeared first on .+.",
"http://www.serienjunkies.de/.*.html",
"Nächstältere Version.*",
"Die Seite wurde neu angelegt.*",
"Weiterleitung nach.*erstellt.*"
};
input = input.Replace("\n", " ");
input = replacements.Aggregate(input, (current, replacement) => current.Replace(replacement, ""));
input = regexReplacements.Aggregate(input,
(current, replacement) => Regex.Replace(current, replacement, ""));
return input;
}
public static string ProcessContent(string input) {
var content = StripHtml(HttpUtility.HtmlDecode(input));
content = CleanRss(content);
if (content.Length > 250) content = content.Substring(0, 250) + "...";
return content;
}
public static GroupCollection ReturnMatches(string text, string pattern) {
return Regex.Match(text,
pattern,
RegexOptions.IgnoreCase
).Groups;
}
public static async Task<bool> IsBotAdmin(long chatId) {
ChatMember chatMember = await Bot.BotClient.GetChatMemberAsync(chatId, Bot.BotClient.BotId);
return chatMember.Status.Equals(ChatMemberStatus.Administrator);
}
}
}