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Add support for has:invite filter that matches messages with guild invites (#1188)

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Oleksii Holub 2024-01-18 20:24:25 +02:00 • committed by GitHub
parent 4e69ff317b
commit d8e43d89be
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4 changed files with 56 additions and 15 deletions
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11
DiscordChatExporter.Core/Exporting/Filtering/HasMessageFilter.cs
View file

@ -1,7 +1,7 @@
using System;
using System.Linq;
using System.Text.RegularExpressions;
using DiscordChatExporter.Core.Discord.Data;
using DiscordChatExporter.Core.Markdown.Parsing;
namespace DiscordChatExporter.Core.Exporting.Filtering;
@ -10,14 +10,19 @@ internal class HasMessageFilter(MessageContentMatchKind kind) : MessageFilter
public override bool IsMatch(Message message) =>
kind switch
{
MessageContentMatchKind.Link
=> Regex.IsMatch(message.Content, "https?://\\S*[^\\.,:;\"\'\\s]"),
MessageContentMatchKind.Link => MarkdownParser.ExtractLinks(message.Content).Any(),
MessageContentMatchKind.Embed => message.Embeds.Any(),
MessageContentMatchKind.File => message.Attachments.Any(),
MessageContentMatchKind.Video => message.Attachments.Any(file => file.IsVideo),
MessageContentMatchKind.Image => message.Attachments.Any(file => file.IsImage),
MessageContentMatchKind.Sound => message.Attachments.Any(file => file.IsAudio),
MessageContentMatchKind.Pin => message.IsPinned,
MessageContentMatchKind.Invite
=> MarkdownParser
.ExtractLinks(message.Content)
.Select(l => l.Url)
.Select(Invite.TryGetCodeFromUrl)
.Any(c => !string.IsNullOrWhiteSpace(c)),
_
=> throw new InvalidOperationException(
$"Unknown message content match kind '{kind}'."

3
DiscordChatExporter.Core/Exporting/Filtering/MessageContentMatchKind.cs
View file

@ -8,5 +8,6 @@ internal enum MessageContentMatchKind
Video,
Image,
Sound,
Pin
Pin,
Invite
}

22
DiscordChatExporter.Core/Exporting/Filtering/Parsing/FilterGrammar.cs
View file

@ -61,18 +61,28 @@ internal static class FilterGrammar
.IgnoreThen(
Parse.OneOf(
Span.EqualToIgnoreCase("link")
.IgnoreThen(Parse.Return(MessageContentMatchKind.Link)),
.IgnoreThen(Parse.Return(MessageContentMatchKind.Link))
.Try(),
Span.EqualToIgnoreCase("embed")
.IgnoreThen(Parse.Return(MessageContentMatchKind.Embed)),
.IgnoreThen(Parse.Return(MessageContentMatchKind.Embed))
.Try(),
Span.EqualToIgnoreCase("file")
.IgnoreThen(Parse.Return(MessageContentMatchKind.File)),
.IgnoreThen(Parse.Return(MessageContentMatchKind.File))
.Try(),
Span.EqualToIgnoreCase("video")
.IgnoreThen(Parse.Return(MessageContentMatchKind.Video)),
.IgnoreThen(Parse.Return(MessageContentMatchKind.Video))
.Try(),
Span.EqualToIgnoreCase("image")
.IgnoreThen(Parse.Return(MessageContentMatchKind.Image)),
.IgnoreThen(Parse.Return(MessageContentMatchKind.Image))
.Try(),
Span.EqualToIgnoreCase("sound")
.IgnoreThen(Parse.Return(MessageContentMatchKind.Sound)),
Span.EqualToIgnoreCase("pin").IgnoreThen(Parse.Return(MessageContentMatchKind.Pin))
Span.EqualToIgnoreCase("pin")
.IgnoreThen(Parse.Return(MessageContentMatchKind.Pin))
.Try(),
Span.EqualToIgnoreCase("invite")
.IgnoreThen(Parse.Return(MessageContentMatchKind.Invite))
.Try()
)
)
.Select(k => (MessageFilter)new HasMessageFilter(k))