feat(server): stats globais e rate limit por peer

server/src/store.rs

@@ -87,22 +87,20 @@ pub fn search_files(
          FROM files f",
     );
     let mut params: Vec<Box<dyn rusqlite::ToSql>> = Vec::new();
-    let mut where_added = false;
+    let mut clauses: Vec<String> = Vec::new();
 
     if let Some(query) = crate::search::fts_query(q) {
-        sql.push_str(" JOIN files_fts ON files_fts.rowid = f.rowid WHERE files_fts MATCH ?1");
+        sql.push_str(" JOIN files_fts ON files_fts.rowid = f.rowid");
+        clauses.push("files_fts MATCH ?".to_string());
         params.push(Box::new(query));
-        where_added = true;
     }
     if let Some(ft) = ftype {
-        if !where_added {
-            sql.push_str(" WHERE");
-            where_added = true;
-        } else {
-            sql.push_str(" AND");
-        }
         params.push(Box::new(ft.to_string()));
-        sql.push_str(&format!(" f.ftype = ?{}", params.len()));
+        clauses.push(format!("f.ftype = ?{}", params.len()));
+    }
+    if !clauses.is_empty() {
+        sql.push_str(" WHERE ");
+        sql.push_str(&clauses.join(" AND "));
     }
     params.push(Box::new(limit));
     sql.push_str(&format!(" ORDER BY f.created_at DESC LIMIT ?{}", params.len()));