fully functional, now ui tweaks

database.py

@@ -147,7 +147,7 @@ class Database:
             params.append(workspace_id)
 
         if search:
-            query += " AND (s.title LIKE ? OR s.slug LIKE ?)"
+            query += " AND (LOWER(s.title) LIKE LOWER(?) OR LOWER(s.slug) LIKE LOWER(?))"
             params.extend([f"%{search}%", f"%{search}%"])
 
         query += " ORDER BY s.time_created DESC"
@@ -311,18 +311,17 @@ class Database:
 
             # Copy related records
             for table, foreign_key in [("message", "session_id"), ("part", "session_id"), ("todo", "session_id"), ("session_share", "session_id")]:
-                cursor.execute(f"SELECT * FROM {table} WHERE {foreign_key} = ?", (sess_id,))
+                try:
+                    cursor.execute(f"SELECT * FROM {table} WHERE {foreign_key} = ?", (sess_id,))
+                except sqlite3.OperationalError:
+                    continue  # Table doesn't exist in this schema version
                 rows = cursor.fetchall()
                 for r in rows:
-                    cols = [k for k in r.keys() if k != "id" and k != foreign_key]
+                    # Include foreign_key in cols so the new session_id is written
+                    cols = [k for k in r.keys() if k != "id"]
+                    values = [new_id if k == foreign_key else r[k] for k in cols]
                     col_list = ", ".join(cols)
                     placeholders = ", ".join(["?"] * len(cols))
-                    values = [r[col] for col in cols]
-
-                    # Set foreign key to new session ID
-                    fk_idx = cols.index(foreign_key) if foreign_key in cols else -1
-                    if fk_idx >= 0:
-                        values[fk_idx] = new_id
 
                     # Generate new ID for tables with id column
                     if "id" in r.keys():
@@ -338,6 +337,30 @@ class Database:
         self.conn.commit()
         return True, sql_statements, new_session_ids
 
+    def delete_sessions(self, session_ids: List[str]) -> Tuple[bool, str]:
+        """
+        Permanently delete sessions and all related records.
+
+        Returns:
+            (success, error_message)
+        """
+        assert self.conn is not None, "Database not connected"
+        cursor = self.conn.cursor()
+
+        try:
+            for sess_id in session_ids:
+                for table, foreign_key in [("message", "session_id"), ("part", "session_id"), ("todo", "session_id"), ("session_share", "session_id")]:
+                    try:
+                        cursor.execute(f"DELETE FROM {table} WHERE {foreign_key} = ?", (sess_id,))
+                    except sqlite3.OperationalError:
+                        continue
+                cursor.execute("DELETE FROM session WHERE id = ?", (sess_id,))
+            self.conn.commit()
+            return True, ""
+        except sqlite3.Error as e:
+            self.conn.rollback()
+            return False, str(e)
+
     def create_backup(self) -> Path:
         """Create a timestamped backup of the database."""
         if not self.db_path.exists():