RikoBot-Sharp/Utils.cs

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using System.Linq;
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using System.Text.RegularExpressions;
using System.Threading.Tasks;
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using System.Web;
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using Telegram.Bot.Types;
using Telegram.Bot.Types.Enums;
namespace RSSBot {
public static class Utils {
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private static readonly Regex RegexHtml = new Regex("<.*?>");
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public static string StripHtml(string input) {
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return RegexHtml.Replace(input, string.Empty).Trim();
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}
private static string CleanRss(string input) {
string[] replacements = {
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"[←]",
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"[…]",
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"[...]",
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"[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",
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"...mehr lesen",
"mehr lesen",
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"(more…)",
"View On WordPress",
"Continue reading →",
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"» weiterlesen",
"Ein Kommentar.",
"Änderungen zeigen",
"(Feed generated with FetchRSS)",
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"(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 .+.",
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"http://www.serienjunkies.de/.*.html",
"Nächstältere Version.*",
"Die Seite wurde neu angelegt.*",
"Weiterleitung nach.*erstellt.*"
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};
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input = input.Replace("\n", " ");
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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) {
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var content = StripHtml(HttpUtility.HtmlDecode(input));
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content = CleanRss(content);
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if (content.Length > 250) content = content.Substring(0, 250) + "...";
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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);
}
}
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}