public void Remove(Project entity)
{
var oldState = Get(entity.Id);
if (Version.Next(oldState.Version) > entity.Version)
{
throw new DbUpdateConcurrencyException("This version is not the most updated for this object.");
}
var entry = entity.ToProjectState();
DbContext.Projects.Remove(entry);
}
// https://docs.microsoft.com/en-us/ef/core/saving/disconnected-entities
public void Add(User entity)
{
var entry = entity.ToUserState();
var oldState = Get(entity.Id);
if (oldState.Equals(User.Empty()))
{
DbContext.Users.Add(entry);
}
else
{
if (Version.Next(oldState.Version) > entity.Version)
{
throw new DbUpdateConcurrencyException("This version is not the most updated for this object.");
}
DbContext.Entry(oldState).CurrentValues.SetValues(entry);
}
}
// https://docs.microsoft.com/en-us/ef/core/saving/disconnected-entities
public void Add(Project entity)
{
var entry = entity.ToProjectState();
var oldState = DbContext.Projects
.OrderByDescending(ob => ob.Id)
.ThenByDescending(ob => ob.RowVersion)
.FirstOrDefault(t => t.Id == entity.Id.Value);
if (oldState == null)
{
DbContext.Projects.Add(entry);
}
else
{
var version = Version.From(BitConverter.ToInt32(oldState.RowVersion));
if (Version.Next(version) > entity.Version)
{
throw new DbUpdateConcurrencyException("This version is not the most updated for this object.");
}
DbContext.Entry(oldState).CurrentValues.SetValues(entry);
}
}
