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Refactor SplitIntoPartitions

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This commit is contained in:
Oleksii Holub
2018-11-14 17:51:03 +02:00
parent 0b14952346
commit 8bc29c4928
2 changed files with 29 additions and 43 deletions
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42
DiscordChatExporter.Core/Models/Extensions.cs
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@@ -1,6 +1,4 @@
using System;
using System.Collections.Generic;
using System.Linq;
namespace DiscordChatExporter.Core.Models
{
@@ -33,45 +31,5 @@ namespace DiscordChatExporter.Core.Models
throw new ArgumentOutOfRangeException(nameof(format));
}
public static IReadOnlyList<ChatLog> SplitIntoPartitions(this ChatLog chatLog, int partitionLimit)
{
// If chat log has fewer messages than the limit - just return chat log in a list
if (chatLog.Messages.Count <= partitionLimit)
return new[] {chatLog};
var result = new List<ChatLog>();
// Loop through messages
var buffer = new List<Message>();
foreach (var message in chatLog.Messages)
{
// Add message to buffer
buffer.Add(message);
// If reached the limit - split and reset buffer
if (buffer.Count >= partitionLimit)
{
// Add to result
var chatLogPartition = new ChatLog(chatLog.Guild, chatLog.Channel, chatLog.From, chatLog.To, buffer,
chatLog.Mentionables);
result.Add(chatLogPartition);
// Reset the buffer instead of clearing to avoid mutations on existing references
buffer = new List<Message>();
}
}
// Add what's remaining in buffer
if (buffer.Any())
{
// Add to result
var chatLogPartition = new ChatLog(chatLog.Guild, chatLog.Channel, chatLog.From, chatLog.To, buffer,
chatLog.Mentionables);
result.Add(chatLogPartition);
}
return result;
}
}
}