Dedup paths on create document

sync-server/src/utils/find_first_available_path.rs

@@ -0,0 +1,24 @@
+use crate::app_state::database::models::VaultId;
+use crate::{app_state::database::Transaction, utils::dedup_paths::dedup_paths};
+use anyhow::Result;
+
+pub async fn find_first_available_path(
+    vault_id: &VaultId,
+    sanitized_relative_path: &str,
+    database: &crate::app_state::database::Database,
+    transaction: &mut Transaction<'_>,
+) -> Result<String> {
+    let mut new_relative_path = String::default();
+    for candidate in dedup_paths(&sanitized_relative_path) {
+        if database
+            .get_latest_document_by_path(&vault_id, &candidate, Some(transaction))
+            .await?
+            .is_none()
+        {
+            new_relative_path = candidate;
+            break;
+        }
+    }
+
+    Ok(new_relative_path)
+}