Delete saved card states

src/pages/repetition_settings.rs

@@ -9,6 +9,7 @@ use crate::pages::repetition_settings::RepetitionSettingsMessage::*;
 use crate::styling::*;
 use crate::{push_error, push_error_task};
 use iced::widget::button::danger;
+use iced::widget::space::horizontal;
 use iced::widget::text_input::Catalog;
 use iced::widget::{button, column, row, scrollable, space, text, text_input};
 use iced::{Element, Task};
@@ -22,6 +23,7 @@ pub struct RepetitionSettingsState {
     settings_data: DeckSettings,
     state: AppState,
     real_delete: bool,
+    real_delete_states: bool,
     correct_filter: bool,
     filter_changed: bool,
     filtered_words: Option<u32>,
@@ -38,6 +40,7 @@ impl RepetitionSettingsState {
             settings_handle: settings,
             state,
             real_delete: false,
+            real_delete_states: false,
             correct_filter: true,
             filter_changed: false,
             filtered_words: None,
@@ -105,7 +108,26 @@ impl NavigatedPage<RepetitionSettingsMessage> for RepetitionSettingsState {
 
                 return Task::done(RootMessage::RepetitionSettings(Back));
             }
-            RevertDeleteSet => self.real_delete = false,
+            RevertDeleteSet => {
+                self.real_delete = false;
+                self.real_delete_states = true;
+            }
+            DeleteStates => {
+                if !self.real_delete_states {
+                    self.real_delete_states = true;
+                    return Task::future(async {
+                        tokio::time::sleep(Duration::from_millis(3000)).await;
+                        RootMessage::RepetitionSettings(RevertDeleteSet)
+                    });
+                }
+                let mut states = self.state.card_states.write();
+                let deck_id = self.settings_handle.id;
+                let mut query = states.query(Arc::new(move |state| {state.deck_id == deck_id})).handles().collect::<Vec<_>>();
+                if let Err(e) = states.delete_many(query.as_mut_slice()) {
+                    return push_error_task!(e);
+                }
+                self.real_delete_states = false;
+            }
         }
         Task::none()
     }
@@ -159,6 +181,14 @@ impl NavigatedPage<RepetitionSettingsMessage> for RepetitionSettingsState {
                 .height(Fill),
                 row![
                     button("Сохранить").style(jl_button).on_press(Save),
+                    horizontal(),
+                    button(if self.real_delete_states {
+                        "Вы уверены?"
+                    } else {
+                        "Удалить прогресс?"
+                    })
+                    .style(danger)
+                    .on_press(DeleteStates),
                     button(if self.real_delete {
                         "Вы уверены?"
                     } else {
@@ -166,7 +196,6 @@ impl NavigatedPage<RepetitionSettingsMessage> for RepetitionSettingsState {
                     })
                     .style(danger)
                     .on_press(DeleteSet),
-                    space().width(Fill),
                 ]
                 .spacing(DEFAULT_SPACING),
             ]
@@ -222,5 +251,6 @@ pub enum RepetitionSettingsMessage {
     SetFilter(String),
     TryFilter,
     DeleteSet,
+    DeleteStates,
     RevertDeleteSet,
 }