UI-Statistics: add button for mass extend, add extend functionality

src/ui/widgets/searchPage.py

@@ -53,6 +53,8 @@ class SearchStatisticPage(QtWidgets.QDialog, Ui_Dialog):
         self.btn_notify_for_deletion.clicked.connect(self.notify_for_deletion)
         self.btn_notify_for_deletion.setEnabled(False)
         self.btn_del_select_apparats.setEnabled(False)
+        self.btn_extendSelection.clicked.connect(self.mass_extend_apparats)
+        self.btn_extendSelection.setEnabled(False)
         self.tableWidget.resizeColumnsToContents()
         self.tableWidget.resizeRowsToContents()
         self.db = Database()
@@ -72,6 +74,23 @@ class SearchStatisticPage(QtWidgets.QDialog, Ui_Dialog):
         self.search_by_title.returnPressed.connect(self.search_book)
         self.populate_tab()
 
+    def mass_extend_apparats(self):
+        extend = ApparatExtendDialog()
+        extend.exec()
+        if extend.result() == QtWidgets.QDialog.DialogCode.Accepted:
+            data = extend.get_data()
+            log.debug(data)
+            for i in range(self.tableWidget.rowCount()):
+                if self.tableWidget.cellWidget(i, 0).isChecked():
+                    app_name = self.tableWidget.item(i, 1).text()
+                    app_id = self.db.getApparatId(app_name)
+                    self.db.setNewSemesterDate(app_id, data["semester"], data["dauerapp"])
+                    # remove the row
+                    self.tableWidget.removeRow(i)
+            self.refreshSignal.emit()
+
+            
+
     def restore_apparat(self):
         selected_rows = self.tableWidget.selectionModel().selectedRows()
         apparats = []