First database deunwrap

src/pages/repetition_settings.rs

@@ -1,8 +1,10 @@
-
+use crate::app::AppState;
+use crate::data::entities::DeckSettings;
 use crate::data_provider::card_sets::{delete_set, update_deck};
 use crate::data_provider::card_stats::{delete_stats, load_stats_of_deck};
 use crate::navigation::Page::PreviousPage;
 use crate::navigation::{NavigatedPage, Page, RootMessage};
+use crate::notification::NotificationRequest;
 use crate::pages::repetition_settings::RepetitionSettingsMessage::*;
 use crate::styling::*;
 use iced::widget::button::danger;
@@ -10,12 +12,10 @@ use iced::widget::text_input::Catalog;
 use iced::widget::{button, column, row, scrollable, space, text, text_input};
 use iced::{Element, Task};
 use iced_core::Length::Fill;
-use iced_core::{Padding, Theme, color};
+use iced_core::{color, Padding, Theme};
 use parking_lot::Mutex;
 use std::sync::Arc;
 use std::time::Duration;
-use crate::app::AppState;
-use crate::data::entities::DeckSettings;
 
 pub struct RepetitionSettingsState {
     set: DeckSettings,
@@ -61,7 +61,9 @@ impl NavigatedPage<RepetitionSettingsMessage> for RepetitionSettingsState {
             Back => {}
             Save => {
                 let mut state = self.state.lock();
-                update_deck(&mut self.set, &state.connection);
+                if let Err(e) = update_deck(&mut self.set, &state.connection) {
+                    return Task::done(RootMessage::PushNotification(NotificationRequest::Error(e)));
+                }
                 if self.filter_changed {
                     update_deck_stats(&self.set, &state);
                 }
@@ -95,7 +97,10 @@ impl NavigatedPage<RepetitionSettingsMessage> for RepetitionSettingsState {
                     });
                 }
                 let mut state = self.state.lock();
-                delete_set(&self.set, &state.connection);
+                if let Err(e) = delete_set(&self.set, &state.connection) {
+                    return Task::done(RootMessage::PushNotification(NotificationRequest::Error(e)));
+                }
+
                 state.decks.remove(self.index);
                 return Task::done(RootMessage::RepetitionSettings(Back));
             }

src/pages/repetitions.rs

@@ -27,6 +27,7 @@ use iced_core::svg::Handle;
 use parking_lot::Mutex;
 use std::ops::Deref;
 use std::sync::Arc;
+use crate::notification::NotificationRequest;
 
 #[derive(Clone)]
 pub struct RepetitionsState {
@@ -146,7 +147,9 @@ impl NavigatedPage<RepetitionsMessage> for RepetitionsState {
                 let mut deck = self.selected_deck().unwrap().clone();
                 let mut state = self.state.lock();
                 {
-                    update_deck(&mut deck.general_settings, &state.connection);
+                    if let Err(e) = update_deck(&mut deck.general_settings, &state.connection){
+                        return Task::done(RootMessage::PushNotification(NotificationRequest::Error(e)))
+                    }
                     if let Some(index) = deck.index {
                         state.decks[index] = deck.general_settings.clone();
                     } else {