static VersionTracking2()
{
if (!Essentials.IsSupported)
{
IsFirstLaunchEver = !Preferences2.ContainsKey(versionsKey, sharedName);
if (IsFirstLaunchEver)
{
versionTrail = new();
}
else
{
versionTrail = ReadHistory(versionsKey).ToList();
}
IsFirstLaunchForCurrentVersion = !versionTrail.Contains(CurrentVersion);
if (IsFirstLaunchForCurrentVersion)
{
versionTrail.Add(CurrentVersion);
}
if (IsFirstLaunchForCurrentVersion)
{
WriteHistory(versionsKey, versionTrail);
}
}
}
static string Get(string key)
{
var value = Preferences2.Get(key, null);
if (string.IsNullOrWhiteSpace(value))
{
value = Random2.GenerateRandomString(DeviceIdRLength, _Constants.DigitsLetters);
Preferences2.Set(key, value);
}
return(value);
}
static Guid GetGuid(string key)
{
var value = Preferences2.Get(key, null);
if (!(!string.IsNullOrWhiteSpace(value) && ShortGuid.TryParse(value, out Guid guid)))
{
guid = Guid.NewGuid();
Preferences2.Set(key, guid.ToStringS());
}
return(guid);
}
static void WriteHistory(string key, IEnumerable <string> history)
=> Preferences2.Set(key, string.Join("|", history), sharedName);
static string[] ReadHistory(string key)
=> Preferences2.Get(key, null, sharedName)?.Split(new[] { '|' }, StringSplitOptions.RemoveEmptyEntries) ?? new string[0];