private void ValidateAndSetRealmShardCode(Realm realm, RealmShard shard)
{
var code = shard.Name.GenerateSlug();
var matches = realm.RealmShards
.Where(x =>
x.Code == code ||
x.Code.StartsWith($"{code}_"))
.ToList();
if (matches.Count > 0)
{
code += $"_{matches.Count}";
}
shard.Code = code;
}
private RealmUpdateResponse ProcessAndPersistRealmShards(Realm realm, List <RealmShardInputModel> shards)
{
var response = new RealmUpdateResponse();
var allFragments = realm.Fragments.ToList();
var currentShards = realm.RealmShards.ToList();
var existingShards = shards
.Where(x => x.Id.HasValue);
var shardIds = existingShards
.Select(x => x.Id.Value);
// Update or Remove shards
foreach (var shard in currentShards)
{
if (shardIds.Contains(shard.Id))
{
var update = existingShards.First(x => x.Id.Value == shard.Id);
if (string.IsNullOrEmpty(update.Name))
{
response.ErrorMessages.Add("Shard Name is required.");
return(response);
}
shard.Name = update.Name;
shard.IsOrdered = update.IsOrdered;
var shardFragmentIds = update.EntryList.Select(x => x.FragmentId).ToList();
var entries = shard.RealmShardEntries.ToList();
foreach (var frag in entries)
{
if (shardFragmentIds.Contains(frag.FragmentId))
{
frag.EntryOrder = shard.IsOrdered
? shardFragmentIds.IndexOf(frag.FragmentId)
: (int?)null;
_realmDataService.SetToPersist(frag);
}
else
{
shard.RealmShardEntries.Remove(frag);
}
}
var newFragments = update.EntryList.Where(x =>
!shard.RealmShardEntries.Any(s => s.FragmentId == x.FragmentId));
foreach (var inputFrag in newFragments)
{
var newFragEntry = new RealmShardEntry
{
EntryOrder = shard.IsOrdered ? shardFragmentIds.IndexOf(inputFrag.FragmentId) : (int?)null,
FragmentId = inputFrag.FragmentId
};
_realmDataService.SetToPersist(newFragEntry);
shard.RealmShardEntries.Add(newFragEntry);
}
_realmDataService.SetToPersist(shard);
}
else
{
realm.RealmShards.Remove(shard);
}
}
var newShards = shards.Where(x => !x.Id.HasValue);
// Add shards
foreach (var input in newShards)
{
if (string.IsNullOrEmpty(input.Name))
{
response.ErrorMessages.Add("Shard Name is required.");
return(response);
}
var newRealmShard = new RealmShard
{
Name = input.Name,
IsOrdered = input.IsOrdered,
RealmId = realm.Id
};
ValidateAndSetRealmShardCode(realm, newRealmShard);
var entryOrder = 0;
foreach (var frag in input.EntryList)
{
var entry = new RealmShardEntry
{
EntryOrder = newRealmShard.IsOrdered ? entryOrder++ : (int?)null,
FragmentId = frag.FragmentId,
};
_realmDataService.SetToPersist(entry);
newRealmShard.RealmShardEntries.Add(entry);
}
_realmDataService.SetToPersist(newRealmShard);
realm.RealmShards.Add(newRealmShard);
}
return(response);
}
