implement clean method

src/app/browser/main/tab.cpp

@@ -109,23 +109,63 @@ int Tab::restore()
     return PREPARE_STATUS;
 }
 
-int Tab::save()
+void Tab::clean()
 {
     char * error; // @TODO
+    sqlite3_stmt * statement;
+
+    const int PREPARE_STATUS = ::sqlite3_prepare_v3(
+        db,
+        R"SQL(
+            SELECT * FROM `app_browser_main_tab__session`
+        )SQL",
+        -1,
+        SQLITE_PREPARE_NORMALIZE,
+        &statement,
+        nullptr
+    );
+
+    if (PREPARE_STATUS == SQLITE_OK)
+    {
+        while (::sqlite3_step(statement) == SQLITE_ROW)
+        {
+            const int APP_BROWSER_MAIN_TAB__SESSION_ID = ::sqlite3_column_int(
+                statement,
+                DB::APP_BROWSER_MAIN_TAB__SESSION::ID
+            );
 
-    // Delete previous tab session
+            // @TODO Delegate cleanup to the child components
-    const int EXEC_STATUS = ::sqlite3_exec(
+
+            // Delete record
+            ::sqlite3_exec(
                 db,
+                Glib::ustring::sprintf(
                     R"SQL(
-            DELETE FROM `app_browser_main_tab__session`
+                        DELETE FROM `app_browser_main_tab__session` WHERE `id` = %d
                     )SQL",
+                    APP_BROWSER_MAIN_TAB__SESSION_ID
+                ).c_str(),
                 nullptr,
                 nullptr,
                 &error
             );
+        }
+    }
+
+    ::sqlite3_finalize(
+        statement
+    );
 
-    if (EXEC_STATUS == SQLITE_OK)
+    close_all();
+}
+
+void Tab::save()
 {
+    char * error; // @TODO
+
+    // Delete previous data
+    clean();
+
     // Save current tab session
     for (int page_number = 0; page_number < get_n_pages(); page_number++)
     {
@@ -169,9 +209,6 @@ int Tab::save()
     }
 }
 
-    return EXEC_STATUS;
-}
-
 // Actions
 void Tab::refresh(
     const int & PAGE_NUMBER

src/app/browser/main/tab.hpp

@@ -99,7 +99,9 @@ namespace app::browser::main
 
             int restore();
 
-            int save();
+            void clean();
+
+            void save();
 
             // Getters
             Glib::ustring get_page_title(