Radicade Public Code

Server/Launcher/GameUpdateVersionCheck.cs

@@ -0,0 +1,56 @@
+using System.Text.Json;
+using RadicadeServer.RecNet.Enums;
+
+namespace RadicadeServer.RecNet.VersionCheck
+{
+	public static class GameUpdateVersionCheck
+	{
+
+		public const string AppVersionUpdateNotificationId = "AppVersionUpdate";
+
+		public const string AnnouncementConfigKey = "Announcement";
+
+		public const string GameUpdateType = "Game Update";
+
+		public const int UpdateStage = 1;
+
+		public static VersionCheckResult Resolve(string? announcementJson, DateTime nowUtc)
+			=> HasLiveGameUpdate(announcementJson, nowUtc)
+				? new VersionCheckResult
+				{
+					VersionStatus = VersionCheckStatus.UpdateRequired,
+					UpdateNotificationStage = UpdateStage
+				}
+				: new VersionCheckResult { VersionStatus = VersionCheckStatus.ValidForPlay };
+
+
+		public static bool HasLiveGameUpdate(string? announcementJson, DateTime nowUtc)
+		{
+			if (string.IsNullOrWhiteSpace(announcementJson)) return false;
+
+			try
+			{
+				using var doc = JsonDocument.Parse(announcementJson);
+				if (doc.RootElement.ValueKind != JsonValueKind.Array) return false;
+
+				foreach (var row in doc.RootElement.EnumerateArray())
+				{
+					if (row.ValueKind != JsonValueKind.Object) continue;
+					if (!row.TryGetProperty("type", out var type) || type.ValueKind != JsonValueKind.String) continue;
+					if (!string.Equals(type.GetString(), GameUpdateType, StringComparison.OrdinalIgnoreCase)) continue;
+
+					if (row.TryGetProperty("expires_at", out var expires) && expires.ValueKind == JsonValueKind.String
+						&& DateTime.TryParse(expires.GetString(), out var expiry) && expiry <= nowUtc)
+						continue;
+
+					return true;
+				}
+			}
+			catch
+			{
+			}
+
+			return false;
+		}
+	}
+}