public static async Task LogChanges(this FinoSaborContext context, IAspNetUser appuser)
{
//var logTime = DateTime.Now;
const string emptyJson = "{}";
const string idColumn = "id";
Guid?user = null;
if (!string.IsNullOrEmpty(appuser.ObterUserId().ToString()))
{
user = appuser.ObterUserId();
}
var changes = context.ChangeTracker.Entries()
.Where(x => entityStates.Contains(x.State) && x.Entity.GetType().IsSubclassOf(typeof(EntityBase)))
.ToList();
var jdp = new JsonDiffPatch();
foreach (var item in changes)
{
var original = emptyJson;
var updated = JsonConvert.SerializeObject(item.CurrentValues.Properties.ToDictionary(pn => pn.Name, pn => item.CurrentValues[pn]));
var creationDate = DateTime.Now;
if (item.State == EntityState.Modified)
{
var dbValues = await item.GetDatabaseValuesAsync();
if (dbValues != null)
{
original = JsonConvert.SerializeObject(dbValues.Properties.ToDictionary(pn => pn.Name, pn => dbValues[pn]));
//creationDate = dbValues.GetValue<DateTime>("DataCadastro");
}
}
//item.Property("DataCadastro").CurrentValue = creationDate;
string jsonDiff = jdp.Diff(original, updated);
if (string.IsNullOrWhiteSpace(jsonDiff) == false)
{
var EntityDiff = JToken.Parse(jsonDiff).ToString(Formatting.None);
var log = new Log()
{
nome_entidade = item.Entity.GetType().Name,
id_entidade = new Guid(item.CurrentValues[idColumn].ToString()),
//LogDateTime = logTime,
operacao = item.State.ToString(),
id_usuario = user,
valores_alterados = EntityDiff,
};
context.log.Add(log);
}
}
}
public FinoSaborSeeder(FinoSaborContext context,
RoleManager <Funcao> roleManager)
{
_context = context;
RoleManager = roleManager;
}