Added a way for organizations to prohibit providers (#1105)

app/MindWork AI Studio/Dialogs/EmbeddingProviderDialog.razor.cs

@@ -135,7 +135,16 @@ public partial class EmbeddingProviderDialog : MSGComponentBase, ISecretId
     /// The list of used instance names. We need this to check for uniqueness.
     /// </summary>
     private List<string> UsedInstanceNames { get; set; } = [];
-    
+
+    /// <summary>
+    /// Whether the organization prohibited the selected provider.
+    /// </summary>
+    /// <remarks>
+    /// The provider stays selectable, so that nobody wonders where it went. The dialog then shows
+    /// the reason instead of the form, and nothing can be stored.
+    /// </remarks>
+    private bool IsProviderProhibited => this.SettingsManager.IsProviderProhibited(this.DataLLMProvider);
+
     private bool dataIsValid;
     private string[] dataIssues = [];
     private string dataAPIKey = string.Empty;
@@ -284,6 +293,9 @@ public partial class EmbeddingProviderDialog : MSGComponentBase, ISecretId
     
     private async Task Store()
     {
+        if (this.IsProviderProhibited)
+            return;
+
         this.dataStoreWasAttempted = true;
         await this.dataTokenizerValidationTask;
         await this.form.Validate();
@@ -544,6 +556,10 @@ public partial class EmbeddingProviderDialog : MSGComponentBase, ISecretId
 
     private async Task ReloadModels()
     {
+        // Loading the models would contact the provider:
+        if (this.IsProviderProhibited)
+            return;
+
         this.dataLoadingModelsIssue = string.Empty;
         this.dataServerWasAskedForItsModels = true;
         var currentEmbeddingProviderSettings = this.CreateEmbeddingProviderSettings();