/// <summary>
/// Gets the last modified date of a mod on Steam.
/// </summary>
/// <param name="id">The Steam mod ID to check.</param>
/// <param name="when">The location where the last updated date will be stored.</param>
/// <returns>true if the date was determined, or false if it is invalid.</returns>
internal static bool GetGlobalLastModified(this PublishedFileId_t id,
out System.DateTime when)
{
bool result = false;
var inst = SteamUGCService.Instance;
var steamMod = (inst == null) ? null : inst.FindMod(id);
if (steamMod != null)
{
ulong ticks = steamMod.lastUpdateTime;
result = true;
when = (ticks == 0U) ? System.DateTime.MinValue : SteamVersionChecker.
UnixEpochToDateTime(ticks);
}
else
{
// Mod was not found
when = System.DateTime.UtcNow;
}
return(result);
}
protected override bool CanStart(PublishedFileId_t id)
{
var state = (EItemState)SteamUGC.GetItemState(id);
var mod = SteamUGCServiceFixed.Instance.GetInfo(id);
// Start if: not installed, Steam says it needs update, or local files do not match
// the Steam date
bool update = (state & EItemState.k_EItemStateNeedsUpdate) != EItemState.
k_EItemStateNone;
if (!update && mod?.installPath != null)
{
update = mod.updateTimestamp.AddMinutes(SteamVersionChecker.UPDATE_JITTER) <
SteamVersionChecker.UnixEpochToDateTime(mod.ugcMod.lastUpdateTime);
if (update)
{
PUtil.LogDebug("Mod {0:D} is outdated, forcing correct download".F(id.
m_PublishedFileId));
}
}
return((update || (state & EItemState.k_EItemStateInstalled) == EItemState.
k_EItemStateNone) && (state & IS_DOWNLOADING) == EItemState.k_EItemStateNone);
}
/// <summary>
/// Updates the mod local update time and archive path.
/// </summary>
internal void Summon()
{
var id = ugcMod.fileId;
if (SteamUGC.GetItemInstallInfo(id, out _, out installPath, 260U,
out uint ts))
{
updateTimestamp = SteamVersionChecker.UnixEpochToDateTime(ts);
}
else
{
installPath = null;
updateTimestamp = System.DateTime.MinValue;
}
// But reuse the local timestamp if we updated it
var ourData = ModUpdateInfo.FindModInConfig(id.m_PublishedFileId);
if (ourData != null)
{
updateTimestamp = new System.DateTime(ourData.LastUpdated, DateTimeKind.
Utc);
}
}
/// <summary>
/// Gets the last modified date of a mod's local files. The time is returned in UTC.
/// </summary>
/// <param name="mod">The mod to check.</param>
/// <returns>The date and time of its last modification.</returns>
internal static System.DateTime GetLocalLastModified(this Mod mod)
{
if (mod == null)
{
throw new ArgumentNullException("mod");
}
var label = mod.label;
var result = System.DateTime.UtcNow;
if (label.distribution_platform == Label.DistributionPlatform.Steam)
{
// 260 = MAX_PATH
if (SteamUGC.GetItemInstallInfo(mod.GetSteamModID(), out _,
out string _, 260U, out uint timestamp) && timestamp > 0U)
{
result = SteamVersionChecker.UnixEpochToDateTime(timestamp);
}
else
{
PUtil.LogWarning("Unable to get Steam install information for " +
label.title);
}
}
