feat(server): busca FTS5 com filtros e paginacao

server/src/store.rs

@@ -72,4 +72,47 @@ pub fn get_file(db: &Connection, file_id: &str) -> rusqlite::Result<FileRecord>
         [file_id],
         FileRecord::from_row,
     )
+}
+
+pub fn search_files(
+    db: &Connection,
+    q: &str,
+    ftype: Option<&str>,
+    limit: i64,
+    offset: i64,
+) -> rusqlite::Result<Vec<FileRecord>> {
+    let mut sql = String::from(
+        "SELECT f.id, f.peer_id, f.name, f.description, f.ftype, f.extension,
+                f.size_bytes, f.hash, f.license, f.tags, f.created_at
+         FROM files f",
+    );
+    let mut params: Vec<Box<dyn rusqlite::ToSql>> = Vec::new();
+    let mut where_added = false;
+
+    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");
+        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()));
+    }
+    params.push(Box::new(limit));
+    sql.push_str(&format!(" ORDER BY f.created_at DESC LIMIT ?{}", params.len()));
+    params.push(Box::new(offset));
+    sql.push_str(&format!(" OFFSET ?{}", params.len()));
+
+    let mut stmt = db.prepare(&sql)?;
+    let rows = stmt.query_map(
+        rusqlite::params_from_iter(params.iter().map(|p| p.as_ref())),
+        FileRecord::from_row,
+    )?;
+    rows.collect()
 }