Merge branch '36-add-undo-for-unsubscribing-from-shows' into 'master'

Resolve "Add "undo" for unsubscribing from shows"

Closes #36

See merge request alatiera/Hammond!27

hammond-data/src/dbqueries.rs

@@ -33,6 +33,18 @@ pub fn get_podcasts() -> Result<Vec<Podcast>, DataError> {
         .map_err(From::from)
 }
 
+pub fn get_podcasts_filter(filter_ids: &[i32]) -> Result<Vec<Podcast>, DataError> {
+    use schema::podcast::dsl::*;
+    let db = connection();
+    let con = db.get()?;
+
+    podcast
+        .order(title.asc())
+        .filter(id.ne_any(filter_ids))
+        .load::<Podcast>(&con)
+        .map_err(From::from)
+}
+
 pub fn get_episodes() -> Result<Vec<Episode>, DataError> {
     use schema::episode::dsl::*;
     let db = connection();
@@ -102,7 +114,10 @@ pub fn get_episode_local_uri_from_id(ep_id: i32) -> Result<Option<String>, DataE
         .map_err(From::from)
 }
 
-pub fn get_episodes_widgets_with_limit(limit: u32) -> Result<Vec<EpisodeWidgetQuery>, DataError> {
+pub fn get_episodes_widgets_filter_limit(
+    filter_ids: &[i32],
+    limit: u32,
+) -> Result<Vec<EpisodeWidgetQuery>, DataError> {
     use schema::episode;
     let db = connection();
     let con = db.get()?;
@@ -120,6 +135,7 @@ pub fn get_episodes_widgets_with_limit(limit: u32) -> Result<Vec<EpisodeWidgetQu
             episode::podcast_id,
         ))
         .order(episode::epoch.desc())
+        .filter(episode::podcast_id.ne_any(filter_ids))
         .limit(i64::from(limit))
         .load::<EpisodeWidgetQuery>(&con)
         .map_err(From::from)

hammond-gtk/src/app.rs

@@ -7,6 +7,7 @@ use gtk::SettingsExt as GtkSettingsExt;
 use gtk::prelude::*;
 
 use hammond_data::{Podcast, Source};
+use hammond_data::utils::delete_show;
 
 use appnotif::*;
 use headerbar::Header;
@@ -16,6 +17,7 @@ use widgets::mark_all_watched;
 
 use std::sync::Arc;
 use std::sync::mpsc::{channel, Receiver, Sender};
+use std::thread;
 use std::time::Duration;
 
 #[derive(Clone, Debug)]
@@ -36,6 +38,7 @@ pub enum Action {
     HeaderBarShowUpdateIndicator,
     HeaderBarHideUpdateIndicator,
     MarkAllPlayerNotification(Arc<Podcast>),
+    RemoveShow(Arc<Podcast>),
 }
 
 #[derive(Debug)]
@@ -192,7 +195,53 @@ impl App {
                     });
 
                     let text = "Marked all episodes as listened";
-                    let notif = InAppNotification::new(text.into(), callback, sender.clone());
+                    let notif =
+                        InAppNotification::new(text.into(), callback, || {}, sender.clone());
+                    overlay.add_overlay(&notif.revealer);
+                    // We need to display the notification after the widget is added to the overlay
+                    // so there will be a nice animation.
+                    notif.show();
+                }
+                Ok(Action::RemoveShow(pd)) => {
+                    if let Err(err) = utils::ignore_show(pd.id()) {
+                        error!("Could not insert {} to the ignore list.", pd.title());
+                        error!("Error: {}", err);
+                    }
+
+                    let callback = clone!(pd => move || {
+                        // Spawn a thread so it won't block the ui.
+                        thread::spawn(clone!(pd => move || {
+                            if let Err(err) = delete_show(&pd) {
+                                error!("Something went wrong trying to remove {}", pd.title());
+                                error!("Error: {}", err);
+                            }
+                        }));
+                        glib::Continue(false)
+                    });
+
+                    let undo_callback = clone!(pd, sender => move || {
+                        if let Err(err) = utils::uningore_show(pd.id()) {
+                            error!("Could not insert {} to the ignore list.", pd.title());
+                            error!("Error: {}", err);
+                        }
+
+
+                        if let Err(err) = sender.send(Action::RefreshShowsView) {
+                            error!("Action channl blew up, error {}", err)
+                        }
+
+                        if let Err(err) = sender.send(Action::RefreshEpisodesView) {
+                            error!("Action channl blew up, error {}", err)
+                        }
+                    });
+
+                    let text = format!("Unsubscribed from {}", pd.title());
+                    let notif = InAppNotification::new(
+                        text.into(),
+                        callback,
+                        undo_callback,
+                        sender.clone(),
+                    );
                     overlay.add_overlay(&notif.revealer);
                     // We need to display the notification after the widget is added to the overlay
                     // so there will be a nice animation.

hammond-gtk/src/appnotif.rs

@@ -35,9 +35,15 @@ impl Default for InAppNotification {
 }
 
 impl InAppNotification {
-    pub fn new<F>(text: String, mut callback: F, sender: Sender<Action>) -> Self
+    pub fn new<F, U>(
+        text: String,
+        mut callback: F,
+        undo_callback: U,
+        sender: Sender<Action>,
+    ) -> Self
     where
         F: FnMut() -> glib::Continue + 'static,
+        U: Fn() + 'static,
     {
         let notif = InAppNotification::default();
         notif.text.set_text(&text);
@@ -57,14 +63,13 @@ impl InAppNotification {
                 glib::source::source_remove(id);
             }
 
+            undo_callback();
+
             // Hide the notification
             revealer.set_reveal_child(false);
             // Refresh the widget if visible
             if let Err(err) = sender.send(Action::RefreshWidgetIfVis) {
-                error!(
-                    "Something went horribly wrong with the Action channel: {}",
-                    err
-                )
+                error!("Action channel blew up: {}", err)
             }
         });
 

hammond-gtk/src/utils.rs

@@ -15,8 +15,9 @@ use hammond_data::pipeline;
 use hammond_data::utils::checkup;
 use hammond_downloader::downloader;
 
-use std::collections::HashMap;
+use std::collections::{HashMap, HashSet};
 use std::sync::{Mutex, RwLock};
+use std::sync::Arc;
 use std::sync::mpsc::Sender;
 use std::thread;
 
@@ -25,6 +26,28 @@ use app::Action;
 use chrono::Duration;
 use chrono::prelude::*;
 
+lazy_static! {
+    static ref IGNORESHOWS: Arc<Mutex<HashSet<i32>>> = Arc::new(Mutex::new(HashSet::new()));
+}
+
+pub fn ignore_show(id: i32) -> Result<(), Error> {
+    let mut guard = IGNORESHOWS.lock().map_err(|err| format_err!("{}", err))?;
+    guard.insert(id);
+    Ok(())
+}
+
+pub fn uningore_show(id: i32) -> Result<(), Error> {
+    let mut guard = IGNORESHOWS.lock().map_err(|err| format_err!("{}", err))?;
+    guard.remove(&id);
+    Ok(())
+}
+
+pub fn get_ignored_shows() -> Result<Vec<i32>, Error> {
+    let guard = IGNORESHOWS.lock().map_err(|err| format_err!("{}", err))?;
+    let keys = guard.iter().cloned().collect::<Vec<_>>();
+    Ok(keys)
+}
+
 pub fn cleanup(cleanup_date: DateTime<Utc>) {
     if let Err(err) = checkup(cleanup_date) {
         error!("Check up failed: {}", err);

hammond-gtk/src/views/episodes.rs

@@ -7,7 +7,7 @@ use hammond_data::EpisodeWidgetQuery;
 use hammond_data::dbqueries;
 
 use app::Action;
-use utils::get_pixbuf_from_path;
+use utils::{get_ignored_shows, get_pixbuf_from_path};
 use widgets::EpisodeWidget;
 
 use std::sync::mpsc::Sender;
@@ -77,7 +77,8 @@ impl Default for EpisodesView {
 impl EpisodesView {
     pub fn new(sender: Sender<Action>) -> Result<EpisodesView, Error> {
         let view = EpisodesView::default();
-        let episodes = dbqueries::get_episodes_widgets_with_limit(50)?;
+        let ignore = get_ignored_shows()?;
+        let episodes = dbqueries::get_episodes_widgets_filter_limit(&ignore, 50)?;
         let now_utc = Utc::now();
 
         episodes.into_iter().for_each(|ep| {

hammond-gtk/src/views/shows.rs

@@ -6,7 +6,7 @@ use hammond_data::Podcast;
 use hammond_data::dbqueries;
 
 use app::Action;
-use utils::get_pixbuf_from_path;
+use utils::{get_ignored_shows, get_pixbuf_from_path};
 
 use std::sync::Arc;
 use std::sync::mpsc::Sender;
@@ -54,7 +54,8 @@ impl ShowsPopulated {
     }
 
     fn populate_flowbox(&self) -> Result<(), Error> {
-        let podcasts = dbqueries::get_podcasts()?;
+        let ignore = get_ignored_shows()?;
+        let podcasts = dbqueries::get_podcasts_filter(&ignore)?;
 
         podcasts.into_iter().map(Arc::new).for_each(|parent| {
             let flowbox_child = ShowsChild::new(parent);

hammond-gtk/src/widgets/show.rs

@@ -7,7 +7,7 @@ use open;
 
 use hammond_data::Podcast;
 use hammond_data::dbqueries;
-use hammond_data::utils::{delete_show, replace_extra_spaces};
+use hammond_data::utils::replace_extra_spaces;
 
 use app::Action;
 use utils::get_pixbuf_from_path;
@@ -15,7 +15,6 @@ use widgets::episode::episodes_listbox;
 
 use std::sync::Arc;
 use std::sync::mpsc::Sender;
-use std::thread;
 
 #[derive(Debug, Clone)]
 pub struct ShowWidget {
@@ -141,13 +140,7 @@ fn on_unsub_button_clicked(
     // hack to get away without properly checking for none.
     // if pressed twice would panic.
     unsub_button.hide();
-    // Spawn a thread so it won't block the ui.
-    thread::spawn(move || {
-        if let Err(err) = delete_show(&pd) {
-            error!("Something went wrong trying to remove {}", pd.title());
-            error!("Error: {}", err);
-        }
-    });
+    sender.send(Action::RemoveShow(pd))?;
 
     sender.send(Action::HeaderBarNormal)?;
     sender.send(Action::ShowShowsAnimated)?;