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Bozza detail upsert da testare

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This commit is contained in:
Samuele Locatelli
2026-04-09 07:10:14 +02:00
parent d83353bc82
commit c329437700
6 changed files with 112 additions and 20 deletions
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MP.Data/Repository/Utils/StatsDetailRepository.cs
+97 -8
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@@ -68,8 +68,102 @@ namespace MP.Data.Repository.Utils
return answ;
}
/// <inheritdoc />
public async Task<int> UpsertManyAsync(List<StatsDetailModel> listRecords, bool removeOld)
{
if (listRecords == null || !listRecords.Any()) return 0;
int answ = 0;
await using var dbCtx = await CreateContextAsync();
await using var tx = await dbCtx.Database.BeginTransactionAsync();
try
{
// 1. Calcolo del range temporale basato sulla lista in arrivo per ottimizzare la query SQL
var minHour = listRecords.Min(x => x.Hour);
var maxHour = listRecords.Max(x => x.Hour);
// 2. Gestione eliminazione distruttiva (se richiesto)
if (removeOld)
{
// uso direttamente ExecuteDelete quando in EFCore8...
#if false
await dbCtx
.DbSetStatsDet
.Where(x => x.Hour >= startDate && x.Hour <= endDate)
.ExecuteDeleteAsync();
#endif
var itemsToRemove = await dbCtx.DbSetStatsDet
.Where(x => x.Hour >= minHour && x.Hour <= maxHour)
.ToListAsync();
if (itemsToRemove.Any())
{
dbCtx.DbSetStatsDet.RemoveRange(itemsToRemove);
await dbCtx.SaveChangesAsync();
}
}
// 3. LOGICA DI UPSERT (Merge basato su Destination + Type + Hour)
// Recuperiamo dal DB solo i record che rientrano nel range temporale della lista in arrivo
var existingRecords = await dbCtx.DbSetStatsDet
.Where(x => x.Hour >= minHour && x.Hour <= maxHour)
.ToListAsync();
// Creiamo il dizionario di lookup con la chiave composta (Dest, Type, Hour)
var lookup = existingRecords.ToDictionary(
x => (x.Destination, x.Type, x.Hour),
x => x
);
foreach (var incoming in listRecords)
{
// Creiamo la chiave di ricerca basata sul record in arrivo
var key = (incoming.Destination, incoming.Type, incoming.Hour);
if (lookup.TryGetValue(key, out var existing))
{
// --- CASO: UPDATE ---
// Aggiorniamo i valori del record esistente con quelli nuovi
existing.RequestCount = incoming.RequestCount;
existing.AvgDuration = incoming.AvgDuration;
existing.MinDuration = incoming.MinDuration;
existing.MaxDuration = incoming.MaxDuration;
existing.NoReply = incoming.NoReply;
}
else
{
// --- CASO: INSERT ---
// Il record non esiste per questa combinazione, lo aggiungiamo
await dbCtx.DbSetStatsDet.AddAsync(incoming);
}
}
// 4. Salvataggio finale delle modifiche (Insert + Update)
answ = await dbCtx.SaveChangesAsync();
// Commit della transazione
await tx.CommitAsync();
// Pulizia memoria del ChangeTracker per evitare accumuli durante sessioni lunghe
dbCtx.ChangeTracker.Clear();
return answ;
}
catch (Exception ex)
{
await tx.RollbackAsync();
Log.Error(ex, "Error during StatsDetail UpsertManyAsync");
throw;
}
}
#if false
/// <inheritdoc />
public async Task<int> UpsertManyAsyncOrig(List<StatsDetailModel> listRecords, bool removeOld)
{
int answ = 0;
await using var dbCtx = await CreateContextAsync();
@@ -87,13 +181,7 @@ namespace MP.Data.Repository.Utils
DateTime startDate = firstRec.Hour;
DateTime endDate = lastRec.Hour;
// uso direttamente ExecuteDelete quando in EFCore8...
#if false
await dbCtx
.DbSetStatsDet
.Where(x => x.Hour >= startDate && x.Hour <= endDate)
.ExecuteDeleteAsync();
#endif
var items = await dbCtx.DbSetStatsDet
.Where(x => x.Hour >= startDate && x.Hour <= endDate)
.ToListAsync();
@@ -121,7 +209,8 @@ namespace MP.Data.Repository.Utils
await tx.RollbackAsync();
throw;
}
}
}
#endif
#endregion Public Methods