public Settings CreateSettings(Device device, string settingsData)
{
Settings lastSettings = GetLastSettings(device);
Settings newSettings = new Settings
{
DeviceId = device.Id,
SerializedSettings = settingsData,
VersionNumber = (lastSettings == null) ? 1 : lastSettings.VersionNumber + 1,
Date = DateTime.Now
};
_context.Settings.Add(newSettings);
_context.SaveChanges();
return newSettings;
}
public Settings GetSettings(Device device, long version)
{
return GetSettings(device).FirstOrDefault(x => x.VersionNumber == version);
}
public Settings GetLastSettings(Device device)
{
return GetSettings(device).OrderByDescending(x => x.VersionNumber).FirstOrDefault();
}
public IEnumerable<Settings> GetSettings(Device device)
{
return _context.Settings.Where(x => x.DeviceId == device.Id).OrderByDescending(x => x.VersionNumber);
}
public List<IndiagramForDevice> GetIndiagrams(Device device, long version)
{
return GetIndiagramsUser(device.UserId).Select(x => ToIndiagramForDevice(device, x, version)).OrderBy(x => x.Position).ToList();
}
public IndiagramForDevice GetIndiagram(Device device, long id, long version)
{
Indiagram indiagram = GetIndiagramUser(device.UserId, id);
return indiagram == null ? null : ToIndiagramForDevice(device, indiagram, version);
}
private IndiagramForDevice ToIndiagramForDevice(Device device, Indiagram indiagram, IndiagramInfo info)
{
IndiagramState state = info.States.FirstOrDefault(s => s.DeviceId == device.Id);
return ToIndiagramForDevice(indiagram, info, state);
}
private IndiagramForDevice ToIndiagramForDevice(Device device, Indiagram indiagram, long version)
{
IndiagramInfo info = indiagram.Infos.OrderByDescending(item => item.Version).FirstOrDefault(item => item.Version <= version);
if (info == null)
{
return null;
}
return ToIndiagramForDevice(device, indiagram, info);
}
private IndiagramForDevice ToIndiagramForDevice(Device device, Indiagram indiagram, bool allowOpenedVersion)
{
IndiagramInfo info = indiagram.LastIndiagramInfo;
if (info == null)
{
return null;
}
if (!allowOpenedVersion && IsVersionOpen(device.UserId, info.Version))
{
info = indiagram.Infos.OrderByDescending(item => item.Version).FirstOrDefault(item => !IsVersionOpen(device.UserId, item.Version));
if (info == null)
{
return null;
}
}
return ToIndiagramForDevice(device, indiagram, info);
}