[EC-826] Merge license sync feature branch to master (#2587)

* [EC-634] Extract GenerateLicenseAsync to a query (#2373)

* [EC-637] Add license sync to server (#2453)

* [EC-1036] Show correct license sync date (#2626)

* Update method name per new pattern

src/Core/Models/OrganizationConnectionConfigs/BillingSyncConfig.cs

@@ -1,7 +1,20 @@
 namespace Bit.Core.Models.OrganizationConnectionConfigs;
 
-public class BillingSyncConfig
+public class BillingSyncConfig : IConnectionConfig
 {
     public string BillingSyncKey { get; set; }
     public Guid CloudOrganizationId { get; set; }
+    public DateTime? LastLicenseSync { get; set; }
+
+    public bool Validate(out string exception)
+    {
+        if (string.IsNullOrWhiteSpace(BillingSyncKey))
+        {
+            exception = "Failed to get Billing Sync Key";
+            return false;
+        }
+
+        exception = "";
+        return true;
+    }
 }

src/Core/Models/OrganizationConnectionConfigs/IConnectionConfig.cs

@@ -0,0 +1,6 @@
+namespace Bit.Core.Models.OrganizationConnectionConfigs;
+
+public interface IConnectionConfig
+{
+    bool Validate(out string exception);
+}

src/Core/Models/OrganizationConnectionConfigs/ScimConfig.cs

@@ -3,9 +3,21 @@ using Bit.Core.Enums;
 
 namespace Bit.Core.Models.OrganizationConnectionConfigs;
 
-public class ScimConfig
+public class ScimConfig : IConnectionConfig
 {
     public bool Enabled { get; set; }
     [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
     public ScimProviderType? ScimProvider { get; set; }
+
+    public bool Validate(out string exception)
+    {
+        if (!Enabled)
+        {
+            exception = "Scim Config is disabled";
+            return false;
+        }
+
+        exception = "";
+        return true;
+    }
 }