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Replace one query per one email with just one queyr for all mails

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This commit is contained in:
Aleh Khantsevich
2024-04-30 00:04:59 +02:00
parent 2bcb6a146b
commit b356475741
3 changed files with 124 additions and 129 deletions
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115
Wino.Core/Integration/Threading/APIThreadingStrategy.cs
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@@ -26,87 +26,56 @@ namespace Wino.Core.Integration.Threading
return originalItem.ThreadId != null && originalItem.ThreadId == targetItem.ThreadId;
}
///<inheritdoc/>
public async Task<List<IMailItem>> ThreadItemsAsync(List<MailCopy> items)
{
var accountId = items.First().AssignedAccount.Id;
var assignedAccount = items[0].AssignedAccount;
var threads = new List<ThreadMailItem>();
var assignedAccount = items.First().AssignedAccount;
// TODO: Can be optimized by moving to the caller.
var sentFolder = await _folderService.GetSpecialFolderByAccountIdAsync(accountId, Domain.Enums.SpecialFolderType.Sent);
var draftFolder = await _folderService.GetSpecialFolderByAccountIdAsync(accountId, Domain.Enums.SpecialFolderType.Draft);
var sentFolder = await _folderService.GetSpecialFolderByAccountIdAsync(assignedAccount.Id, SpecialFolderType.Sent);
var draftFolder = await _folderService.GetSpecialFolderByAccountIdAsync(assignedAccount.Id, SpecialFolderType.Draft);
if (sentFolder == null || draftFolder == null) return default;
// Child -> Parent approach.
// True: Non threaded items.
// False: Potentially threaded items.
var nonThreadedOrThreadedMails = items
.Distinct()
.GroupBy(x => string.IsNullOrEmpty(x.ThreadId))
.ToDictionary(x => x.Key, x => x);
var potentialThreadItems = items.Distinct().Where(a => !string.IsNullOrEmpty(a.ThreadId));
_ = nonThreadedOrThreadedMails.TryGetValue(true, out var nonThreadedMails);
var isThreadedItems = nonThreadedOrThreadedMails.TryGetValue(false, out var potentiallyThreadedMails);
var mailLookupTable = new Dictionary<string, bool>();
List<IMailItem> resultList = nonThreadedMails is null ? [] : [.. nonThreadedMails];
// Fill up the mail lookup table to prevent double thread creation.
foreach (var mail in items)
if (!mailLookupTable.ContainsKey(mail.Id))
mailLookupTable.Add(mail.Id, false);
foreach (var potentialItem in potentialThreadItems)
if (isThreadedItems)
{
if (mailLookupTable[potentialItem.Id])
continue;
var threadItems = (await GetThreadItemsAsync(potentiallyThreadedMails.Select(x => (x.ThreadId, x.AssignedFolder)).ToList(), assignedAccount.Id, sentFolder.Id, draftFolder.Id))
.GroupBy(x => x.ThreadId);
mailLookupTable[potentialItem.Id] = true;
var allThreadItems = await GetThreadItemsAsync(potentialItem.ThreadId, accountId, potentialItem.AssignedFolder, sentFolder.Id, draftFolder.Id);
if (allThreadItems.Count == 1)
var folderCache = new Dictionary<Guid, MailItemFolder>();
foreach (var threadItem in threadItems)
{
// It's a single item.
// Mark as not-processed as thread.
mailLookupTable[potentialItem.Id] = false;
}
else
{
// Thread item. Mark all items as true in dict.
var threadItem = new ThreadMailItem();
foreach (var childThreadItem in allThreadItems)
if (threadItem.Count() == 1)
{
if (mailLookupTable.ContainsKey(childThreadItem.Id))
mailLookupTable[childThreadItem.Id] = true;
childThreadItem.AssignedAccount = assignedAccount;
childThreadItem.AssignedFolder = await _folderService.GetFolderAsync(childThreadItem.FolderId);
threadItem.AddThreadItem(childThreadItem);
resultList.Add(threadItem.First());
continue;
}
// Multiple mail copy ids from different folders are thing for Gmail.
if (threadItem.ThreadItems.Count == 1)
mailLookupTable[potentialItem.Id] = false;
else
threads.Add(threadItem);
var thread = new ThreadMailItem();
foreach (var childThreadItem in threadItem)
{
thread.AddThreadItem(childThreadItem);
}
resultList.Add(thread);
}
}
// At this points all mails in the list belong to single items.
// Merge with threads.
// Last sorting will be done later on in MailService.
// Remove single mails that are included in thread.
items.RemoveAll(a => mailLookupTable.ContainsKey(a.Id) && mailLookupTable[a.Id]);
var finalList = new List<IMailItem>(items);
finalList.AddRange(threads);
return finalList;
return resultList;
}
private async Task<List<MailCopy>> GetThreadItemsAsync(string threadId,
private async Task<List<MailCopy>> GetThreadItemsAsync(List<(string threadId, MailItemFolder threadingFolder)> potentialThread,
Guid accountId,
MailItemFolder threadingFolder,
Guid sentFolderId,
Guid draftFolderId)
{
@@ -118,24 +87,20 @@ namespace Wino.Core.Integration.Threading
// TODO: Convert to SQLKata query.
string query = string.Empty;
if (threadingFolder.SpecialFolderType == SpecialFolderType.Draft || threadingFolder.SpecialFolderType == SpecialFolderType.Sent)
{
query = @$"SELECT DISTINCT MC.* FROM MailCopy MC
var query = @$"SELECT DISTINCT MC.* FROM MailCopy MC
INNER JOIN MailItemFolder MF on MF.Id = MC.FolderId
WHERE MF.MailAccountId == '{accountId}' AND MC.ThreadId = '{threadId}'";
}
else
{
query = @$"SELECT DISTINCT MC.* FROM MailCopy MC
INNER JOIN MailItemFolder MF on MF.Id = MC.FolderId
WHERE MF.MailAccountId == '{accountId}' AND MC.FolderId IN ('{threadingFolder.Id}','{sentFolderId}','{draftFolderId}')
AND MC.ThreadId = '{threadId}'";
}
WHERE MF.MailAccountId == '{accountId}' AND
({string.Join(" OR ", potentialThread.Select(x => ConditionForItem(x, sentFolderId, draftFolderId)))})";
return await _databaseService.Connection.QueryAsync<MailCopy>(query);
static string ConditionForItem((string threadId, MailItemFolder threadingFolder) potentialThread, Guid sentFolderId, Guid draftFolderId)
{
if (potentialThread.threadingFolder.SpecialFolderType == SpecialFolderType.Draft || potentialThread.threadingFolder.SpecialFolderType == SpecialFolderType.Sent)
return $"(MC.ThreadId = '{potentialThread.threadId}')";
return $"(MC.ThreadId = '{potentialThread.threadId}' AND MC.FolderId IN ('{potentialThread.threadingFolder.Id}','{sentFolderId}','{draftFolderId}'))";
}
}
}
}