Add support for ollama (#34)

app/MindWork AI Studio/Settings/SettingsMigrations.cs

@@ -1,3 +1,5 @@
+using Host = AIStudio.Provider.SelfHosted.Host;
+
 namespace AIStudio.Settings;
 
 public static class SettingsMigrations
@@ -7,7 +9,11 @@ public static class SettingsMigrations
         switch (previousData.Version)
         {
             case Version.V1:
-                return MigrateFromV1(previousData);
+                previousData = MigrateV1ToV2(previousData);
+                return MigrateV2ToV3(previousData);
+
+            case Version.V2:
+                return MigrateV2ToV3(previousData);
             
             default:
                 Console.WriteLine("No migration needed.");
@@ -15,7 +21,7 @@ public static class SettingsMigrations
         }
     }
 
-    private static Data MigrateFromV1(Data previousData)
+    private static Data MigrateV1ToV2(Data previousData)
     {
         //
         // Summary:
@@ -36,4 +42,33 @@ public static class SettingsMigrations
             UpdateBehavior = previousData.UpdateBehavior,
         };
     }
+    
+    private static Data MigrateV2ToV3(Data previousData)
+    {
+        //
+        // Summary:
+        // In v2, self-hosted providers had no host (LM Studio, llama.cpp, ollama, etc.)
+        //
+
+        Console.WriteLine("Migrating from v2 to v3...");
+        return new()
+        {
+            Version = Version.V3,
+            Providers = previousData.Providers.Select(provider =>
+            {
+                if(provider.IsSelfHosted)
+                    return provider with { Host = Host.LM_STUDIO };
+                
+                return provider with { Host = Host.NONE };
+            }).ToList(),
+
+            EnableSpellchecking = previousData.EnableSpellchecking,
+            IsSavingEnergy = previousData.IsSavingEnergy,
+            NextProviderNum = previousData.NextProviderNum,
+            ShortcutSendBehavior = previousData.ShortcutSendBehavior,
+            UpdateBehavior = previousData.UpdateBehavior,
+            WorkspaceStorageBehavior = previousData.WorkspaceStorageBehavior,
+            WorkspaceStorageTemporaryMaintenancePolicy = previousData.WorkspaceStorageTemporaryMaintenancePolicy,
+        };
+    }
 }