feature: online activation

Disco.Data/Configuration/ConfigurationCache.cs

@@ -242,9 +242,34 @@ namespace Disco.Data.Configuration
                         }
                         else if (itemType.BaseType != null && itemType.BaseType == typeof(Enum))
                         {
-                            // Enum
+                            // enum
                             itemValue = Enum.Parse(typeof(T), item.Item1.Value);
                         }
+                        else if (itemType.IsGenericType &&
+                            itemType.GetGenericTypeDefinition() == typeof(Nullable<>) &&
+                            IsConvertableFromString(Nullable.GetUnderlyingType(itemType)))
+                        {
+                            // nullable
+                            itemValue = (T)Convert.ChangeType(item.Item1.Value, Nullable.GetUnderlyingType(itemType));
+                        }
+                        else if (itemType == typeof(Guid))
+                        {
+                            // guid
+                            itemValue = new Guid(item.Item1.Value);
+                        }
+                        else if (itemType == typeof(Guid?))
+                        {
+                            // guid
+                            if (string.IsNullOrEmpty(item.Item1.Value))
+                                itemValue = null;
+                            else
+                                itemValue = new Guid(item.Item1.Value);
+                        }
+                        else if (itemType == typeof(byte[]))
+                        {
+                            // byte[]
+                            itemValue = Convert.FromBase64String(item.Item1.Value);
+                        }
                         else
                         {
                             // JSON Deserialize
@@ -269,7 +294,7 @@ namespace Disco.Data.Configuration
                 }
                 else if (valueType == typeof(object))
                 {
-                    throw new ArgumentException(string.Format("Cannot serialize the configuration item [{0}].[{1}] which defines a type of [System.Object]", Scope, Key), "Value");
+                    throw new ArgumentException($"Cannot serialize the configuration item [{Scope}].[{Key}] which has the type [System.Object]", "Value");
                 }
                 else if (IsConvertableFromString(valueType))
                 {
@@ -278,9 +303,25 @@ namespace Disco.Data.Configuration
                 }
                 else if (valueType.BaseType != null && valueType.BaseType == typeof(Enum))
                 {
-                    // Enum
+                    // enum
                     stringValue = Value.ToString();
                 }
+                else if (valueType.IsGenericType &&
+                    valueType.GetGenericTypeDefinition() == typeof(Nullable<>) &&
+                    IsConvertableFromString(Nullable.GetUnderlyingType(valueType)))
+                {
+                    // nullable
+                    stringValue = Value.ToString();
+                }
+                else if (valueType == typeof(Guid) || valueType == typeof(Guid?))
+                {
+                    stringValue = Value.ToString();
+                }
+                else if (Value is byte[] valueBytes)
+                {
+                    // byte[]
+                    stringValue = Convert.ToBase64String(valueBytes);
+                }
                 else
                 {
                     // JSON Serialize
@@ -290,7 +331,7 @@ namespace Disco.Data.Configuration
                 CacheSetItem(Database, Scope, Key, stringValue, Value);
             }
         }
-        
+
         #endregion
 
         #region Cache Helpers

Disco.Data/Configuration/SystemConfiguration.cs

@@ -319,6 +319,29 @@ namespace Disco.Data.Configuration
         #endregion
 
         #region UpdateCheck
+        public bool IsActivated => ActivationId.HasValue;
+
+        public DateTime? ActivatedOn
+        {
+            get => Get((DateTime?)null);
+            set => Set(value);
+        }
+        public string ActivatedBy
+        {
+            get => Get((string)null);
+            set => Set(value);
+        }
+        public Guid? ActivationId
+        {
+            get => Get((Guid?)null);
+            set => Set(value);
+        }
+        public byte[] ActivationKey
+        {
+            get => Get((byte[])null);
+            set => Set(value);
+        }
+
         public bool IsLicensed
         {
             get => LicenseKey != null && LicenseExpiresOn != null && LicenseExpiresOn > DateTime.UtcNow && LicenseError == null;

Disco.Data/Migrations/202412180604170_DBv25.cs

@@ -10,6 +10,10 @@ namespace Disco.Data.Migrations
             AlterColumn("dbo.UserAttachments", "Comments", c => c.String(maxLength: 500));
             AlterColumn("dbo.JobAttachments", "Comments", c => c.String(maxLength: 500));
             AlterColumn("dbo.DeviceAttachments", "Comments", c => c.String(maxLength: 500));
+
+            Sql("DELETE [dbo].[Configuration] WHERE [Scope]='System' AND [Key] IN ('ActivatedOn', 'ActivationId', 'LicenseExpiresOn')");
+            Sql("DELETE [dbo].[Configuration] WHERE [Scope]='DocFill' AND [Key] IN ('LicenseExpiresOn')");
+            Sql("DELETE [dbo].[Configuration] WHERE [Scope]='JobPreferences' AND [Key] IN ('LastExportDate')");
         }
         
         public override void Down()