Support delete custom model (#136)

src/hooks/useDeleteCustomModel.ts

@@ -0,0 +1,49 @@
+import { useMutation, useQueryClient } from "@tanstack/react-query";
+import { IpcClient } from "@/ipc/ipc_client";
+
+interface DeleteCustomModelParams {
+  providerId: string;
+  modelApiName: string;
+}
+
+export function useDeleteCustomModel({
+  onSuccess,
+  onError,
+}: {
+  onSuccess?: () => void;
+  onError?: (error: Error) => void;
+}) {
+  const queryClient = useQueryClient();
+
+  const mutation = useMutation<void, Error, DeleteCustomModelParams>({
+    mutationFn: async (params: DeleteCustomModelParams) => {
+      if (!params.providerId || !params.modelApiName) {
+        throw new Error(
+          "Provider ID and Model API Name are required for deletion.",
+        );
+      }
+      const ipcClient = IpcClient.getInstance();
+      // This method will be added to IpcClient next
+      await ipcClient.deleteCustomModel(params);
+    },
+    onSuccess: (data, params: DeleteCustomModelParams) => {
+      // Invalidate queries related to language models for the specific provider
+      queryClient.invalidateQueries({
+        queryKey: ["language-models", params.providerId],
+      });
+      // Invalidate general model list if needed
+      queryClient.invalidateQueries({ queryKey: ["languageModels"] });
+      onSuccess?.();
+    },
+    onError: (error: Error) => {
+      console.error("Error deleting custom model:", error);
+      onError?.(error);
+    },
+    meta: {
+      // Optional: for global error handling like toasts
+      showErrorToast: true,
+    },
+  });
+
+  return mutation;
+}