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update getpairedclients to use only one query instead of one per entry

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This commit is contained in:
Stanley Dimant 2022-08-19 12:18:16 +02:00
parent 7abe4f9f2e
commit 78543d0fc2
1 changed files with 28 additions and 13 deletions
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39
MareSynchronosServer/MareSynchronosServer/Hubs/MareHub.User.cs
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@ -93,21 +93,36 @@ namespace MareSynchronosServer.Hubs
public async Task<List<ClientPairDto>> GetPairedClients()
{
string userid = AuthenticatedUserId;
var pairs = await _dbContext.ClientPairs.AsNoTracking()
.Include(u => u.OtherUser)
.Include(u => u.User)
.Where(w => w.User.UID == userid)
.ToListAsync();
return pairs.Select(w =>
var query =
from userToOther in _dbContext.ClientPairs
join otherToUser in _dbContext.ClientPairs
on new
{
var otherEntry = OppositeEntry(w.OtherUser.UID);
return new ClientPairDto
user = userToOther.UserUID,
other = userToOther.OtherUserUID
} equals new
{
IsPaused = w.IsPaused,
OtherUID = w.OtherUser.UID,
IsSynced = otherEntry != null,
IsPausedFromOthers = otherEntry?.IsPaused ?? false,
user = otherToUser.OtherUserUID,
other = otherToUser.UserUID
} into leftJoin
from otherEntry in leftJoin.DefaultIfEmpty()
where
userToOther.UserUID == userid
select new
{
userToOther.IsPaused,
OtherIsPaused = otherEntry != null && otherEntry.IsPaused,
userToOther.OtherUserUID,
IsSynced = otherEntry != null
};
return (await query.ToListAsync()).Select(f => new ClientPairDto()
{
IsPaused = f.IsPaused,
OtherUID = f.OtherUserUID,
IsSynced = f.IsSynced,
IsPausedFromOthers = f.OtherIsPaused
}).ToList();
}