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DiscordChatExporter
mirror of https://github.com/Tyrrrz/DiscordChatExporter
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Refactor

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pull/558/head
Tyrrrz 4 years ago
parent 2fea455c64
commit 511af1e35c
38 changed files with 173 additions and 377 deletions
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8
DiscordChatExporter.Cli/Commands/Base/ExportCommandBase.cs
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@ -12,6 +12,7 @@ using DiscordChatExporter.Core.Discord;
using DiscordChatExporter.Core.Discord.Data;
using DiscordChatExporter.Core.Exceptions;
using DiscordChatExporter.Core.Exporting;
using DiscordChatExporter.Core.Exporting.Partitioning;
using DiscordChatExporter.Core.Utils.Extensions;
using Tyrrrz.Extensions;
@ -31,9 +32,8 @@ namespace DiscordChatExporter.Cli.Commands.Base
[CommandOption("before", Description = "Only include messages sent before this date or message ID.")]
public Snowflake? Before { get; init; }
[CommandOption("partition", 'p', Converter = typeof(PartitionConverter),
Description = "Split output into partitions limited to this number of messages or a maximum file size (e.g. \"25mb\").")]
public IPartitioner Partitoner { get; init; } = new NullPartitioner();
[CommandOption("partition", 'p', Description = "Split output into partitions, each limited to this number of message (e.g. 100) or file size (e.g. 10mb).")]
public PartitionLimit PartitionLimit { get; init; } = NullPartitionLimit.Instance;
[CommandOption("parallel", Description = "Limits how many channels can be exported in parallel.")]
public int ParallelLimit { get; init; } = 1;
@ -75,7 +75,7 @@ namespace DiscordChatExporter.Cli.Commands.Base
ExportFormat,
After,
Before,
Partitoner,
PartitionLimit,
ShouldDownloadMedia,
ShouldReuseMedia,
DateFormat

28
DiscordChatExporter.Cli/Commands/Base/PartitionConverter.cs
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@ -1,28 +0,0 @@
using System;
using System.Collections.Generic;
using System.Text;
using ByteSizeLib;
using CliFx.Extensibility;
using DiscordChatExporter.Core;
using DiscordChatExporter.Core.Exporting;
namespace DiscordChatExporter.Cli.Commands.Base
{
public class PartitionConverter : BindingConverter<IPartitioner>
{
public override IPartitioner Convert(string? rawValue)
{
if (rawValue == null) return new NullPartitioner();
if (ByteSize.TryParse(rawValue, out ByteSize filesize))
{
return new FileSizePartitioner((long)filesize.Bytes);
}
else
{
int messageLimit = int.Parse(rawValue);
return new MessageCountPartitioner(messageLimit);
}
}
}
}

2
DiscordChatExporter.Cli/Commands/ExportChannelsCommand.cs
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@ -12,7 +12,7 @@ namespace DiscordChatExporter.Cli.Commands
[Command("export", Description = "Export one or multiple channels.")]
public class ExportChannelsCommand : ExportCommandBase
{
// TODO: change this to plural with a breaking change
// TODO: change this to plural (breaking change)
[CommandOption("channel", 'c', IsRequired = true, Description = "Channel ID(s).")]
public IReadOnlyList<Snowflake> ChannelIds { get; init; } = Array.Empty<Snowflake>();

1
DiscordChatExporter.Cli/DiscordChatExporter.Cli.csproj
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@ -9,7 +9,6 @@
<PackageReference Include="CliFx" Version="2.0.1" />
<PackageReference Include="Spectre.Console" Version="0.38.0" />
<PackageReference Include="Gress" Version="1.2.0" />
<PackageReference Include="OneOf" Version="3.0.174" />
<PackageReference Include="Tyrrrz.Extensions" Version="1.6.5" />
</ItemGroup>

1
DiscordChatExporter.Core/Discord/Data/Attachment.cs
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@ -5,7 +5,6 @@ using System.Text.Json;
using DiscordChatExporter.Core.Discord.Data.Common;
using DiscordChatExporter.Core.Utils.Extensions;
using JsonExtensions.Reading;
using FileSize = DiscordChatExporter.Core.Discord.Data.Common.FileSize;
namespace DiscordChatExporter.Core.Discord.Data
{

36
DiscordChatExporter.Core/Discord/Data/Common/FileSize.cs
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@ -1,4 +1,6 @@
using System;
using System.Globalization;
using System.Text.RegularExpressions;
namespace DiscordChatExporter.Core.Discord.Data.Common
{
@ -61,5 +63,37 @@ namespace DiscordChatExporter.Core.Discord.Data.Common
public partial struct FileSize
{
public static FileSize FromBytes(long bytes) => new(bytes);
public static FileSize? TryParse(string value)
{
var match = Regex.Match(value, @"^(\d+[\.,]?\d*)\s*(\w)?b$", RegexOptions.IgnoreCase);
// Number part
if (!double.TryParse(
match.Groups[1].Value,
NumberStyles.Float,
CultureInfo.InvariantCulture,
out var number))
{
return null;
}
// Magnitude part
var magnitude = match.Groups[2].Value.ToUpperInvariant() switch
{
"G" => 1_000_000_000,
"M" => 1_000_000,
"K" => 1_000,
"" => 1,
_ => -1
};
if (magnitude < 0)
{
return null;
}
return FromBytes((long) (number * magnitude));
}
}
}
}

2
DiscordChatExporter.Core/Discord/Snowflake.cs
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@ -48,7 +48,7 @@ namespace DiscordChatExporter.Core.Discord
}
public static Snowflake Parse(string str, IFormatProvider? formatProvider) =>
TryParse(str, formatProvider) ?? throw new FormatException($"Invalid snowflake: {str}.");
TryParse(str, formatProvider) ?? throw new FormatException($"Invalid snowflake '{str}'.");
public static Snowflake Parse(string str) => Parse(str, null);
}

1
DiscordChatExporter.Core/DiscordChatExporter.Core.csproj
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@ -5,7 +5,6 @@
</PropertyGroup>
<ItemGroup>
<PackageReference Include="ByteSize" Version="2.0.0" />
<PackageReference Include="JsonExtensions" Version="1.0.1" />
<PackageReference Include="MiniRazor.CodeGen" Version="2.1.2" />
<PackageReference Include="Polly" Version="7.2.1" />

7
DiscordChatExporter.Core/Exporting/ExportRequest.cs
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@ -4,6 +4,7 @@ using System.Text;
using System.Text.RegularExpressions;
using DiscordChatExporter.Core.Discord;
using DiscordChatExporter.Core.Discord.Data;
using DiscordChatExporter.Core.Exporting.Partitioning;
using DiscordChatExporter.Core.Utils;
namespace DiscordChatExporter.Core.Exporting
@ -28,7 +29,7 @@ namespace DiscordChatExporter.Core.Exporting
public Snowflake? Before { get; }
public IPartitioner Partitoner { get; }
public PartitionLimit PartitionLimit { get; }
public bool ShouldDownloadMedia { get; }
@ -43,7 +44,7 @@ namespace DiscordChatExporter.Core.Exporting
ExportFormat format,
Snowflake? after,
Snowflake? before,
IPartitioner partitioner,
PartitionLimit partitionLimit,
bool shouldDownloadMedia,
bool shouldReuseMedia,
string dateFormat)
@ -54,7 +55,7 @@ namespace DiscordChatExporter.Core.Exporting
Format = format;
After = after;
Before = before;
Partitoner = partitioner;
PartitionLimit = partitionLimit;
ShouldDownloadMedia = shouldDownloadMedia;
ShouldReuseMedia = shouldReuseMedia;
DateFormat = dateFormat;

25
DiscordChatExporter.Core/Exporting/MessageExporter.cs
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@ -1,21 +1,15 @@
using System;
using System.IO;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using ByteSizeLib;
using DiscordChatExporter.Core.Discord.Data;
using DiscordChatExporter.Core.Exporting;
using DiscordChatExporter.Core.Exporting.Partitioners;
using DiscordChatExporter.Core.Exporting.Writers;
namespace DiscordChatExporter.Core.Exporting
{
internal partial class MessageExporter : IAsyncDisposable
{
private readonly ExportContext _context;
private long _messageCount;
private int _partitionIndex;
private MessageWriter? _writer;
@ -24,17 +18,6 @@ namespace DiscordChatExporter.Core.Exporting
_context = context;
}
private bool IsPartitionLimitReached()
{
if (_writer is null)
{
return false;
}
return _context.Request.Partitoner.IsLimitReached(
new ExportPartitioningContext(_messageCount, _writer.SizeInBytes));
}
private async ValueTask ResetWriterAsync()
{
if (_writer is not null)
@ -48,7 +31,8 @@ namespace DiscordChatExporter.Core.Exporting
private async ValueTask<MessageWriter> GetWriterAsync()
{
// Ensure partition limit has not been exceeded
if (_writer != null && IsPartitionLimitReached())
if (_writer is not null &&
_context.Request.PartitionLimit.IsReached(_writer.MessagesWritten, _writer.BytesWritten))
{
await ResetWriterAsync();
_partitionIndex++;
@ -74,7 +58,6 @@ namespace DiscordChatExporter.Core.Exporting
{
var writer = await GetWriterAsync();
await writer.WriteMessageAsync(message);
_messageCount++;
}
public async ValueTask DisposeAsync() => await ResetWriterAsync();
@ -82,9 +65,7 @@ namespace DiscordChatExporter.Core.Exporting
internal partial class MessageExporter
{
private static string GetPartitionFilePath(
string baseFilePath,
int partitionIndex)
private static string GetPartitionFilePath(string baseFilePath, int partitionIndex)
{
// First partition - don't change file name
if (partitionIndex <= 0)

18
DiscordChatExporter.Core/Exporting/Partitioners/ExportPartitioningContext.cs
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@ -1,18 +0,0 @@
using System;
using System.Collections.Generic;
using System.Text;
namespace DiscordChatExporter.Core.Exporting.Partitioners
{
public class ExportPartitioningContext
{
public long MessageCount { get; }
public long SizeInBytes { get; }
public ExportPartitioningContext(long messageCount, long sizeInBytes)
{
MessageCount = messageCount;
SizeInBytes = sizeInBytes;
}
}
}

21
DiscordChatExporter.Core/Exporting/Partitioners/FileSizePartitioner.cs
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@ -1,21 +0,0 @@
using DiscordChatExporter.Core.Exporting.Partitioners;
using System;
using System.Collections.Generic;
using System.Text;
namespace DiscordChatExporter.Core.Exporting
{
public class FileSizePartitioner : IPartitioner
{
private long _bytesPerFile;
public FileSizePartitioner(long bytesPerFile)
{
_bytesPerFile = bytesPerFile;
}
public bool IsLimitReached(ExportPartitioningContext context)
{
return context.SizeInBytes >= _bytesPerFile;
}
}
}

12
DiscordChatExporter.Core/Exporting/Partitioners/IPartitioner.cs
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@ -1,12 +0,0 @@
using DiscordChatExporter.Core.Exporting.Partitioners;
using System;
using System.Collections.Generic;
using System.Text;
namespace DiscordChatExporter.Core.Exporting
{
public interface IPartitioner
{
bool IsLimitReached(ExportPartitioningContext context);
}
}

25
DiscordChatExporter.Core/Exporting/Partitioners/MessageCountPartitioner.cs
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@ -1,25 +0,0 @@
using DiscordChatExporter.Core.Exporting.Partitioners;
using System;
using System.Collections.Generic;
using System.Text;
namespace DiscordChatExporter.Core.Exporting
{
public class MessageCountPartitioner : IPartitioner
{
private int _messagesPerPartition;
public MessageCountPartitioner(int messagesPerPartition)
{
_messagesPerPartition = messagesPerPartition;
}
public bool IsLimitReached(ExportPartitioningContext context)
{
return context.MessageCount > 0 &&
_messagesPerPartition != 0 &&
context.MessageCount % _messagesPerPartition == 0;
}
}
}

16
DiscordChatExporter.Core/Exporting/Partitioners/NullPartitioner.cs
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@ -1,16 +0,0 @@
using DiscordChatExporter.Core.Exporting;
using DiscordChatExporter.Core.Exporting.Partitioners;
using System;
using System.Collections.Generic;
using System.Text;
namespace DiscordChatExporter.Core.Exporting
{
public class NullPartitioner : IPartitioner
{
public bool IsLimitReached(ExportPartitioningContext context)
{
return false;
}
}
}

12
DiscordChatExporter.Core/Exporting/Partitioning/FileSizePartitionLimit.cs
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@ -0,0 +1,12 @@
namespace DiscordChatExporter.Core.Exporting.Partitioning
{
public class FileSizePartitionLimit : PartitionLimit
{
private readonly long _limit;
public FileSizePartitionLimit(long limit) => _limit = limit;
public override bool IsReached(long messagesWritten, long bytesWritten) =>
bytesWritten >= _limit;
}
}

12
DiscordChatExporter.Core/Exporting/Partitioning/MessageCountPartitionLimit.cs
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@ -0,0 +1,12 @@
namespace DiscordChatExporter.Core.Exporting.Partitioning
{
public class MessageCountPartitionLimit : PartitionLimit
{
private readonly long _limit;
public MessageCountPartitionLimit(long limit) => _limit = limit;
public override bool IsReached(long messagesWritten, long bytesWritten) =>
messagesWritten >= _limit;
}
}

9
DiscordChatExporter.Core/Exporting/Partitioning/NullPartitionLimit.cs
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@ -0,0 +1,9 @@
namespace DiscordChatExporter.Core.Exporting.Partitioning
{
public class NullPartitionLimit : PartitionLimit
{
public static NullPartitionLimit Instance { get; } = new();
public override bool IsReached(long messagesWritten, long bytesWritten) => false;
}
}

22
DiscordChatExporter.Core/Exporting/Partitioning/PartitionLimit.cs
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@ -0,0 +1,22 @@
using DiscordChatExporter.Core.Discord.Data.Common;
namespace DiscordChatExporter.Core.Exporting.Partitioning
{
public abstract partial class PartitionLimit
{
public abstract bool IsReached(long messagesWritten, long bytesWritten);
}
public partial class PartitionLimit
{
public static PartitionLimit Parse(string value)
{
var fileSize = FileSize.TryParse(value);
if (fileSize is not null)
return new FileSizePartitionLimit(fileSize.Value.TotalBytes);
var messageCount = int.Parse(value);
return new MessageCountPartitionLimit(messageCount);
}
}
}

2
DiscordChatExporter.Core/Exporting/Writers/CsvMessageWriter.cs
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@ -58,6 +58,8 @@ namespace DiscordChatExporter.Core.Exporting.Writers
public override async ValueTask WriteMessageAsync(Message message)
{
await base.WriteMessageAsync(message);
// Author ID
await _writer.WriteAsync(CsvEncode(message.Author.Id.ToString()));
await _writer.WriteAsync(',');

4
DiscordChatExporter.Core/Exporting/Writers/Html/PostambleTemplate.cshtml
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@ -1,10 +1,10 @@
@namespace DiscordChatExporter.Core.Exporting.Writers.Html
@inherits MiniRazor.TemplateBase<DiscordChatExporter.Core.Exporting.Writers.Html.LayoutTemplateContext>
@inherits MiniRazor.TemplateBase<DiscordChatExporter.Core.Exporting.Writers.Html.PostambleTemplateContext>
</div>
<div class="postamble">
<div class="postamble__entry">Exported @Model.MessageCount.ToString("N0") message(s)</div>
<div class="postamble__entry">Exported @Model.MessagesWritten.ToString("N0") message(s)</div>
</div>
</body>

15
DiscordChatExporter.Core/Exporting/Writers/Html/PostambleTemplateContext.cs
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@ -0,0 +1,15 @@
namespace DiscordChatExporter.Core.Exporting.Writers.Html
{
internal class PostambleTemplateContext
{
public ExportContext ExportContext { get; }
public long MessagesWritten { get; }
public PostambleTemplateContext(ExportContext exportContext, long messagesWritten)
{
ExportContext = exportContext;
MessagesWritten = messagesWritten;
}
}
}

2
DiscordChatExporter.Core/Exporting/Writers/Html/PreambleTemplate.cshtml
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@ -2,7 +2,7 @@
@using System.Threading.Tasks
@using Tyrrrz.Extensions
@namespace DiscordChatExporter.Core.Exporting.Writers.Html
@inherits MiniRazor.TemplateBase<DiscordChatExporter.Core.Exporting.Writers.Html.LayoutTemplateContext>
@inherits MiniRazor.TemplateBase<DiscordChatExporter.Core.Exporting.Writers.Html.PreambleTemplateContext>
@{
string FormatDate(DateTimeOffset date) => Model.ExportContext.FormatDate(date);

7
DiscordChatExporter.Core/Exporting/Writers/Html/LayoutTemplateContext.cs → DiscordChatExporter.Core/Exporting/Writers/Html/PreambleTemplateContext.cs
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@ -1,18 +1,15 @@
namespace DiscordChatExporter.Core.Exporting.Writers.Html
{
internal class LayoutTemplateContext
internal class PreambleTemplateContext
{
public ExportContext ExportContext { get; }
public string ThemeName { get; }
public long MessageCount { get; }
public LayoutTemplateContext(ExportContext exportContext, string themeName, long messageCount)
public PreambleTemplateContext(ExportContext exportContext, string themeName)
{
ExportContext = exportContext;
ThemeName = themeName;
MessageCount = messageCount;
}
}
}

11
DiscordChatExporter.Core/Exporting/Writers/HtmlMessageWriter.cs
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@ -14,8 +14,6 @@ namespace DiscordChatExporter.Core.Exporting.Writers
private readonly List<Message> _messageGroupBuffer = new();
private long _messageCount;
public HtmlMessageWriter(Stream stream, ExportContext context, string themeName)
: base(stream, context)
{
@ -25,7 +23,7 @@ namespace DiscordChatExporter.Core.Exporting.Writers
public override async ValueTask WritePreambleAsync()
{
var templateContext = new LayoutTemplateContext(Context, _themeName, _messageCount);
var templateContext = new PreambleTemplateContext(Context, _themeName);
await _writer.WriteLineAsync(
await PreambleTemplate.RenderAsync(templateContext)
@ -43,6 +41,8 @@ namespace DiscordChatExporter.Core.Exporting.Writers
public override async ValueTask WriteMessageAsync(Message message)
{
await base.WriteMessageAsync(message);
// If message group is empty or the given message can be grouped, buffer the given message
if (!_messageGroupBuffer.Any() || MessageGroup.CanJoin(_messageGroupBuffer.Last(), message))
{
@ -56,9 +56,6 @@ namespace DiscordChatExporter.Core.Exporting.Writers
_messageGroupBuffer.Clear();
_messageGroupBuffer.Add(message);
}
// Increment message count
_messageCount++;
}
public override async ValueTask WritePostambleAsync()
@ -67,7 +64,7 @@ namespace DiscordChatExporter.Core.Exporting.Writers
if (_messageGroupBuffer.Any())
await WriteMessageGroupAsync(MessageGroup.Join(_messageGroupBuffer));
var templateContext = new LayoutTemplateContext(Context, _themeName, _messageCount);
var templateContext = new PostambleTemplateContext(Context, MessagesWritten);
await _writer.WriteLineAsync(
await PostambleTemplate.RenderAsync(templateContext)

8
DiscordChatExporter.Core/Exporting/Writers/JsonMessageWriter.cs
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@ -13,8 +13,6 @@ namespace DiscordChatExporter.Core.Exporting.Writers
{
private readonly Utf8JsonWriter _writer;
private long _messageCount;
public JsonMessageWriter(Stream stream, ExportContext context)
: base(stream, context)
{
@ -211,6 +209,8 @@ namespace DiscordChatExporter.Core.Exporting.Writers
public override async ValueTask WriteMessageAsync(Message message)
{
await base.WriteMessageAsync(message);
_writer.WriteStartObject();
// Metadata
@ -279,8 +279,6 @@ namespace DiscordChatExporter.Core.Exporting.Writers
_writer.WriteEndObject();
await _writer.FlushAsync();
_messageCount++;
}
public override async ValueTask WritePostambleAsync()
@ -288,7 +286,7 @@ namespace DiscordChatExporter.Core.Exporting.Writers
// Message array (end)
_writer.WriteEndArray();
_writer.WriteNumber("messageCount", _messageCount);
_writer.WriteNumber("messageCount", MessagesWritten);
// Root object (end)
_writer.WriteEndObject();

12
DiscordChatExporter.Core/Exporting/Writers/MessageWriter.cs
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@ -11,17 +11,23 @@ namespace DiscordChatExporter.Core.Exporting.Writers
protected ExportContext Context { get; }
public long MessagesWritten { get; private set; }
public long BytesWritten => Stream.Length;
protected MessageWriter(Stream stream, ExportContext context)
{
Stream = stream;
Context = context;
}
public long SizeInBytes => Stream.Length;
public virtual ValueTask WritePreambleAsync() => default;
public abstract ValueTask WriteMessageAsync(Message message);
public virtual ValueTask WriteMessageAsync(Message message)
{
MessagesWritten++;
return default;
}
public virtual ValueTask WritePostambleAsync() => default;

11
DiscordChatExporter.Core/Exporting/Writers/PlainTextMessageWriter.cs
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@ -12,8 +12,6 @@ namespace DiscordChatExporter.Core.Exporting.Writers
{
private readonly TextWriter _writer;
private long _messageCount;
public PlainTextMessageWriter(Stream stream, ExportContext context)
: base(stream, context)
{
@ -130,26 +128,29 @@ namespace DiscordChatExporter.Core.Exporting.Writers
public override async ValueTask WriteMessageAsync(Message message)
{
await base.WriteMessageAsync(message);
// Header
await WriteMessageHeaderAsync(message);
// Content
if (!string.IsNullOrWhiteSpace(message.Content))
await _writer.WriteLineAsync(FormatMarkdown(message.Content));
await _writer.WriteLineAsync();
// Attachments, embeds, reactions
await WriteAttachmentsAsync(message.Attachments);
await WriteEmbedsAsync(message.Embeds);
await WriteReactionsAsync(message.Reactions);
await _writer.WriteLineAsync();
_messageCount++;
}
public override async ValueTask WritePostambleAsync()
{
await _writer.WriteLineAsync('='.Repeat(62));
await _writer.WriteLineAsync($"Exported {_messageCount:N0} message(s)");
await _writer.WriteLineAsync($"Exported {MessagesWritten:N0} message(s)");
await _writer.WriteLineAsync('='.Repeat(62));
}

2
DiscordChatExporter.Gui/Converters/ExportFormatToStringConverter.cs
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@ -15,7 +15,7 @@ namespace DiscordChatExporter.Gui.Converters
if (value is ExportFormat exportFormatValue)
return exportFormatValue.GetDisplayName();
return default(string);
return default(string?);
}
public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) =>

27
DiscordChatExporter.Gui/Converters/PartitionFormatToStringConverter.cs
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@ -1,27 +0,0 @@
using DiscordChatExporter.Core.Exporting;
using DiscordChatExporter.Gui.Internal;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Text;
using System.Windows.Data;
namespace DiscordChatExporter.Gui.Converters
{
[ValueConversion(typeof(ExportFormat), typeof(string))]
public class PartitionFormatToStringConverter : IValueConverter
{
public static PartitionFormatToStringConverter Instance { get; } = new();
public object? Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
if (value is PartitionFormat partitionFormatValue)
return partitionFormatValue.GetDisplayName();
return default(string);
}
public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) =>
throw new NotSupportedException();
}
}

33
DiscordChatExporter.Gui/Converters/PartitionFormatToTextBoxHintConverter.cs
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@ -1,33 +0,0 @@
using DiscordChatExporter.Gui.Internal;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Text;
using System.Windows.Data;
namespace DiscordChatExporter.Gui.Converters
{
[ValueConversion(typeof(DateTimeOffset?), typeof(DateTime?))]
public class PartitionFormatToTextBoxHintConverter : IValueConverter
{
public static PartitionFormatToTextBoxHintConverter Instance { get; } = new();
public object? Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
if (value is PartitionFormat partitionFormat)
return partitionFormat switch
{
PartitionFormat.FileSize => "MB per partition",
PartitionFormat.MessageCount => "Messages per partition",
_ => default(string)
};
return default(DateTime?);
}
public object? ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
{
throw new NotSupportedException();
}
}
}

33
DiscordChatExporter.Gui/Converters/PartitionFormatToTooltipConverter.cs
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@ -1,33 +0,0 @@
using DiscordChatExporter.Gui.Internal;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Text;
using System.Windows.Data;
namespace DiscordChatExporter.Gui.Converters
{
[ValueConversion(typeof(DateTimeOffset?), typeof(DateTime?))]
public class PartitionFormatToTooltipConverter : IValueConverter
{
public static PartitionFormatToTextBoxHintConverter Instance { get; } = new();
public object? Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
if (value is PartitionFormat partitionFormat)
return partitionFormat switch
{
PartitionFormat.FileSize => "Split output into partitions close to this file size",
PartitionFormat.MessageCount => "Split output into partitions limited to this number of messages",
_ => default(string)
};
return default(DateTime?);
}
public object? ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
{
throw new NotSupportedException();
}
}
}

6
DiscordChatExporter.Gui/Services/SettingsService.cs
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@ -1,6 +1,6 @@
using DiscordChatExporter.Core.Discord;
using DiscordChatExporter.Core.Exporting;
using DiscordChatExporter.Gui.Internal;
using DiscordChatExporter.Core.Exporting.Partitioning;
using Tyrrrz.Settings;
namespace DiscordChatExporter.Gui.Services
@ -23,9 +23,7 @@ namespace DiscordChatExporter.Gui.Services
public ExportFormat LastExportFormat { get; set; } = ExportFormat.HtmlDark;
public PartitionFormat LastPartitionFormat { get; set; } = PartitionFormat.MessageCount;
public int? LastPartitionLimit { get; set; }
public string? LastPartitionLimitValue { get; set; }
public bool LastShouldDownloadMedia { get; set; }

22
DiscordChatExporter.Gui/Utils/PartitionFormat.cs
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@ -1,22 +0,0 @@
using System;
using System.Collections.Generic;
using System.Text;
namespace DiscordChatExporter.Gui.Internal
{
public enum PartitionFormat
{
MessageCount,
FileSize,
}
public static class PartitionFormatExtensions
{
public static string GetDisplayName(this PartitionFormat format) => format switch
{
PartitionFormat.MessageCount => "Message count",
PartitionFormat.FileSize => "File size (MB)",
_ => throw new ArgumentOutOfRangeException(nameof(format))
};
}
}

17
DiscordChatExporter.Gui/ViewModels/Dialogs/ExportSetupViewModel.cs
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@ -1,7 +1,6 @@
using System;
using System.Collections.Generic;
using System.Linq;
using DiscordChatExporter.Gui.Internal;
using DiscordChatExporter.Core.Discord;
using DiscordChatExporter.Core.Discord.Data;
using DiscordChatExporter.Core.Exporting;
@ -47,12 +46,7 @@ namespace DiscordChatExporter.Gui.ViewModels.Dialogs
public DateTimeOffset? Before => BeforeDate?.Add(BeforeTime ?? TimeSpan.Zero);
public IReadOnlyList<PartitionFormat> AvailablePartitionFormats =>
Enum.GetValues(typeof(PartitionFormat)).Cast<PartitionFormat>().ToArray();
public PartitionFormat SelectedPartitionFormat { get; set; }
public int? PartitionLimit { get; set; }
public string? PartitionLimitValue { get; set; }
public bool ShouldDownloadMedia { get; set; }
@ -61,7 +55,7 @@ namespace DiscordChatExporter.Gui.ViewModels.Dialogs
public bool IsAdvancedSectionDisplayedByDefault =>
After != default ||
Before != default ||
PartitionLimit != default ||
!string.IsNullOrWhiteSpace(PartitionLimitValue) ||
ShouldDownloadMedia != default;
public ExportSetupViewModel(DialogManager dialogManager, SettingsService settingsService)
@ -71,18 +65,15 @@ namespace DiscordChatExporter.Gui.ViewModels.Dialogs
// Persist preferences
SelectedFormat = _settingsService.LastExportFormat;
PartitionLimit = _settingsService.LastPartitionLimit;
PartitionLimitValue = _settingsService.LastPartitionLimitValue;
ShouldDownloadMedia = _settingsService.LastShouldDownloadMedia;
SelectedPartitionFormat = _settingsService.LastPartitionFormat;
}
public void Confirm()
{
// Persist preferences
_settingsService.LastExportFormat = SelectedFormat;
_settingsService.LastPartitionLimit = PartitionLimit;
_settingsService.LastPartitionFormat = SelectedPartitionFormat;
_settingsService.LastPartitionLimitValue = PartitionLimitValue;
_settingsService.LastShouldDownloadMedia = ShouldDownloadMedia;
// If single channel - prompt file path

35
DiscordChatExporter.Gui/ViewModels/RootViewModel.cs
Unescape View File

@ -7,8 +7,8 @@ using DiscordChatExporter.Core.Discord;
using DiscordChatExporter.Core.Discord.Data;
using DiscordChatExporter.Core.Exceptions;
using DiscordChatExporter.Core.Exporting;
using DiscordChatExporter.Core.Exporting.Partitioning;
using DiscordChatExporter.Core.Utils.Extensions;
using DiscordChatExporter.Gui.Internal;
using DiscordChatExporter.Gui.Services;
using DiscordChatExporter.Gui.Utils;
using DiscordChatExporter.Gui.ViewModels.Dialogs;
@ -65,18 +65,16 @@ namespace DiscordChatExporter.Gui.ViewModels
DisplayName = $"{App.Name} v{App.VersionString}";
// Update busy state when progress manager changes
ProgressManager.Bind(o => o.IsActive,
(sender, args) => IsBusy = ProgressManager.IsActive
ProgressManager.Bind(o => o.IsActive, (_, _) =>
IsBusy = ProgressManager.IsActive
);
ProgressManager.Bind(o => o.IsActive,
(sender, args) => IsProgressIndeterminate =
ProgressManager.IsActive && ProgressManager.Progress.IsEither(0, 1)
ProgressManager.Bind(o => o.IsActive, (_, _) =>
IsProgressIndeterminate = ProgressManager.IsActive && ProgressManager.Progress.IsEither(0, 1)
);
ProgressManager.Bind(o => o.Progress,
(sender, args) => IsProgressIndeterminate =
ProgressManager.IsActive && ProgressManager.Progress.IsEither(0, 1)
ProgressManager.Bind(o => o.Progress, (_, _) =>
IsProgressIndeterminate = ProgressManager.IsActive && ProgressManager.Progress.IsEither(0, 1)
);
}
@ -207,6 +205,10 @@ namespace DiscordChatExporter.Gui.ViewModels
try
{
var partitionLimit = !string.IsNullOrWhiteSpace(dialog.PartitionLimitValue)
? PartitionLimit.Parse(dialog.PartitionLimitValue)
: NullPartitionLimit.Instance;
var request = new ExportRequest(
dialog.Guild!,
channel!,
@ -214,7 +216,7 @@ namespace DiscordChatExporter.Gui.ViewModels
dialog.SelectedFormat,
dialog.After?.Pipe(Snowflake.FromDate),
dialog.Before?.Pipe(Snowflake.FromDate),
CreatePartitioner(),
partitionLimit,
dialog.ShouldDownloadMedia,
_settingsService.ShouldReuseMedia,
_settingsService.DateFormat
@ -237,19 +239,6 @@ namespace DiscordChatExporter.Gui.ViewModels
// Notify of overall completion
if (successfulExportCount > 0)
Notifications.Enqueue($"Successfully exported {successfulExportCount} channel(s)");
IPartitioner CreatePartitioner()
{
var partitionFormat = dialog.SelectedPartitionFormat;
var partitionLimit = dialog.PartitionLimit;
return (partitionFormat, partitionLimit) switch
{
(PartitionFormat.MessageCount, int messageLimit) => new MessageCountPartitioner(messageLimit),
(PartitionFormat.FileSize, int fileSizeLimit) => new FileSizePartitioner(fileSizeLimit),
_ => new NullPartitioner()
};
}
}
}
}

43
DiscordChatExporter.Gui/Views/Dialogs/ExportSetupView.xaml
Unescape View File

@ -126,43 +126,12 @@
</Grid>
<!-- Partitioning -->
<Grid Name="PartitioningGrid">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="1*" />
<ColumnDefinition Width="1*" />
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition Height="*" />
</Grid.RowDefinitions>
<ComboBox
Name="PartitionFormatComboBox"
Grid.Row="0"
Grid.Column="0"
Margin="16,8"
materialDesign:HintAssist.Hint="Partition by"
materialDesign:HintAssist.IsFloating="True"
IsReadOnly="True"
ItemsSource="{Binding AvailablePartitionFormats}"
SelectedItem="{Binding SelectedPartitionFormat}">
<ComboBox.ItemTemplate>
<DataTemplate>
<TextBlock Text="{Binding Converter={x:Static converters:PartitionFormatToStringConverter.Instance}}" />
</DataTemplate>
</ComboBox.ItemTemplate>
</ComboBox>
<TextBox
Name="PartitionTextBox"
Grid.Row="0"
Grid.Column="1"
Margin="16,8"
materialDesign:HintAssist.Hint="{Binding SelectedPartitionFormat, Converter={x:Static converters:PartitionFormatToTooltipConverter.Instance}}"
materialDesign:HintAssist.IsFloating="True"
Text="{Binding PartitionLimit, TargetNullValue=''}"
ToolTip="{Binding SelectedPartitionFormat, Converter={x:Static converters:PartitionFormatToTooltipConverter.Instance}}" />
</Grid>
<TextBox
Margin="16,8"
materialDesign:HintAssist.Hint="Partition limit"
materialDesign:HintAssist.IsFloating="True"
Text="{Binding PartitionLimitValue}"
ToolTip="Split output into partitions, each limited to this number of message (e.g. 100) or file size (e.g. 10mb)" />
<!-- Download media -->
<Grid Margin="16,16" ToolTip="Download referenced media content (user avatars, attached files, embedded images, etc)">

2
DiscordChatExporter.Gui/Views/Dialogs/ExportSetupView.xaml.cs
Unescape View File

@ -7,4 +7,4 @@ namespace DiscordChatExporter.Gui.Views.Dialogs
InitializeComponent();
}
}
}
}
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