/// <summary>
/// Sets the message count for the given server statistic entity.
/// </summary>
/// <param name="globalStats">The server statistics.</param>
/// <param name="totalMessageCount">The new message count.</param>
/// <param name="ct">The cancellation token in use.</param>
/// <returns>A modification result which may or may not have succeeded.</returns>
public async Task <ModifyEntityResult> SetTotalMessageCountAsync
(
UserServerStatistics globalStats,
long?totalMessageCount,
CancellationToken ct = default
)
{
globalStats.TotalMessageCount = totalMessageCount;
await _database.SaveChangesAsync(ct);
return(ModifyEntityResult.FromSuccess());
}
/// <summary>
/// Updates the timestamp of the given server statistic entity to the current time.
/// </summary>
/// <param name="globalStats">The server statistics.</param>
/// <param name="ct">The cancellation token in use.</param>
/// <returns>A modification result which may or may not have succeeded.</returns>
public async Task <ModifyEntityResult> UpdateTimestampAsync
(
UserServerStatistics globalStats,
CancellationToken ct = default
)
{
var now = DateTime.UtcNow;
if (globalStats.LastActivityTime == now)
{
return(ModifyEntityResult.FromError("That's already the latest timestamp."));
}
if (globalStats.LastActivityTime > now)
{
return(ModifyEntityResult.FromError("That timestamp is earlier than the current timestamp."));
}
globalStats.LastActivityTime = now;
await _database.SaveChangesAsync(ct);
return(ModifyEntityResult.FromSuccess());
}