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[KOE-39] Cleaned up chunk determination code, which yields in cleaner release

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This commit is contained in:
Patrick Simpson 2017-02-07 12:28:35 +01:00
parent 1bf1c846f1
commit 310cc48b63
1 changed files with 35 additions and 33 deletions
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68
src/AcaciaZPushPlugin/AcaciaZPushPlugin/Features/GAB/GABHandler.cs
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@ -316,7 +316,7 @@ namespace Acacia.Features.GAB
}
}
private IItem FindNewestChunk()
private ChunkIndex? FindNewestChunkIndex()
{
if (Folder == null)
return null;
@ -326,12 +326,15 @@ namespace Acacia.Features.GAB
int i = 0;
foreach(IItem item in Folder.ItemsSorted("LastModificationTime", true))
{
if (ChunkIndex.Parse(item.Subject) != null)
return item;
item.Dispose();
if (i > Constants.ZPUSH_GAB_NEWEST_MAX_CHECK)
return null;
++i;
using (item)
{
ChunkIndex? index = ChunkIndex.Parse(item.Subject);
if (index != null)
return index;
if (i > Constants.ZPUSH_GAB_NEWEST_MAX_CHECK)
return null;
++i;
}
}
return null;
}
@ -341,39 +344,38 @@ namespace Acacia.Features.GAB
try
{
// Find the newest chunk
using (IItem newest = FindNewestChunk())
ChunkIndex? newestChunkIndex = FindNewestChunkIndex();
if (newestChunkIndex == null)
{
if (newest == null)
CurrentSequence = null;
else
CurrentSequence = null;
}
else
{
Logger.Instance.Trace(this, "Newest chunk: {0}", newestChunkIndex.Value);
if (!CurrentSequence.HasValue || CurrentSequence.Value != newestChunkIndex?.numberOfChunks)
{
Logger.Instance.Trace(this, "Newest chunk: {0}", newest.Subject);
ChunkIndex? newestChunkIndex = ChunkIndex.Parse(newest.Subject);
// Sequence has changed. Delete contacts
Logger.Instance.Trace(this, "Rechunked, deleting contacts");
ClearContacts();
if (!CurrentSequence.HasValue || CurrentSequence.Value != newestChunkIndex?.numberOfChunks)
// Determine new sequence
if (newestChunkIndex == null)
{
// Sequence has changed. Delete contacts
Logger.Instance.Trace(this, "Rechunked, deleting contacts");
ClearContacts();
// Determine new sequence
if (newestChunkIndex == null)
using (IStorageItem index = GetIndexItem())
{
using (IStorageItem index = GetIndexItem())
{
if (index != null)
index.Delete();
}
if (index != null)
index.Delete();
}
else
}
else
{
int numberOfChunks = newestChunkIndex.Value.numberOfChunks;
using (IStorageItem index = GetIndexItem())
{
int numberOfChunks = newestChunkIndex.Value.numberOfChunks;
using (IStorageItem index = GetIndexItem())
{
index.GetUserProperty<int>(PROP_CURRENT_SEQUENCE, true).Value = numberOfChunks;
index.GetUserProperty<string>(PROP_LAST_PROCESSED, true).Value = CreateChunkStateString(numberOfChunks);
index.Save();
}
index.GetUserProperty<int>(PROP_CURRENT_SEQUENCE, true).Value = numberOfChunks;
index.GetUserProperty<string>(PROP_LAST_PROCESSED, true).Value = CreateChunkStateString(numberOfChunks);
index.Save();
}
}
}