try to write to file (os error 22)

src/keys.rs

@@ -33,8 +33,8 @@ impl Handle<TuiIn> for Perch {
         match &self.mode {
             Some(Mode::Edit { .. })     => self.handle_edit(event),
             Some(Mode::Help { page })   => self.handle_help(event, *page),
-            Some(Mode::Save { choice }) => self.handle_save(event, *choice),
-            Some(Mode::Quit { choice }) => self.handle_quit(input, *choice),
+            Some(Mode::Save { choice }) => self.handle_save(event, *choice)?,
+            Some(Mode::Quit { choice }) => self.handle_quit(input, *choice)?,
             None => match event {
                 press!(F(1))      => { self.help_begin() },
                 press!(Char('q')) => { self.quit_begin(&input) },

src/keys/quit.rs

@@ -1,7 +1,7 @@
 use crate::*;
 
 impl Perch {
-    pub fn handle_quit (&mut self, input: &TuiIn, choice: u8) {
+    pub fn handle_quit (&mut self, input: &TuiIn, choice: u8) -> Usually<()> {
         match &*input.event() {
             press!(Esc) => { self.mode = None },
             press!(Left) => { self.mode = Some(Mode::Quit {
@@ -18,13 +18,14 @@ impl Perch {
                     self.mode = None
                 },
                 2 => {
-                    self.save_all();
+                    self.save_all()?;
                     input.done()
                 },
                 _ => unreachable!(),
             },
             _ => {}
         }
+        Ok(())
     }
     pub fn quit_begin (&mut self, input: &TuiIn) {
         if self.changes == 0 {

src/keys/save.rs

@@ -1,7 +1,7 @@
 use crate::*;
 
 impl Perch {
-    pub fn handle_save (&mut self, event: &Event, choice: u8) {
+    pub fn handle_save (&mut self, event: &Event, choice: u8) -> Usually<()> {
         match event {
             press!(Esc) => { self.mode = None }
             press!(Left) => { self.mode = Some(Mode::Save {
@@ -19,13 +19,14 @@ impl Perch {
                     self.mode = None;
                 },
                 2 => {
-                    self.save_all();
+                    self.save_all()?;
                     self.mode = None
                 },
                 _ => unreachable!(),
             },
             _ => {}
         }
+        Ok(())
     }
     pub fn save_begin (&mut self) {
         if self.changes > 0 {

src/model.rs

@@ -87,14 +87,18 @@ impl Perch {
         self.changes = 0;
     }
     /// Write all modified tags
-    pub(crate) fn save_all (&mut self) {
+    pub(crate) fn save_all (&mut self) -> Usually<()> {
+        use lofty::{tag::TagExt, config::WriteOptions};
         for entry in self.entries.iter_mut() {
             if let Metadata::Music {
-                original_tag, modified_tag, ..
+                modified_tag: Some(modified_tag), ..
             } = &mut *entry.info.write().unwrap() {
-                todo!("save {:?}", entry.path);
+                let tag = modified_tag.read().unwrap();
+                let mut file = std::fs::File::open(entry.path.as_path())?;
+                tag.save_to(&mut file, WriteOptions::default())?;
             }
         }
         self.changes = 0;
+        Ok(())
     }
 }