copy files

frontend/utils/files.ts

@@ -1,4 +1,4 @@
-import { moveFile } from '~/lib/api/warrens';
+import { copyFile, moveFile } from '~/lib/api/warrens';
 import type { DirectoryEntry } from '~/shared/types';
 
 export function joinPaths(path: string, ...other: string[]): string {
@@ -58,3 +58,20 @@ export function onDirectoryEntryDrop(
         await moveFile(warrenStore.current.warrenId, currentPath, targetPath);
     };
 }
+
+export async function pasteFile(
+    current: { warrenId: string; path: string; name: string },
+    target: { warrenId: string; path: string; name: string }
+): Promise<boolean> {
+    if (current.warrenId !== target.warrenId) {
+        throw new Error('Cross-warren copies are not supported yet');
+    }
+
+    const { success } = await copyFile(
+        current.warrenId,
+        joinPaths(current.path, current.name),
+        joinPaths(target.path, target.name)
+    );
+
+    return success;
+}