feat: update handler logic to use async io methods and produce completion messages and implemend handlers to deal with completions

src/handler.rs

@@ -5,7 +5,6 @@ use crate::message::{FileAction, ViewAction};
 use crate::{Message, state::State};
 use iced::Task;
 use iced::widget::text_editor;
-use rfd::FileDialog;
 
 pub fn edit(state: &mut State, action: text_editor::Action) -> Task<Message> {
     state.apply_edit(action);
@@ -22,47 +21,6 @@ pub fn link_clicked(url: String) -> Task<Message> {
     Task::none()
 }
 
-fn save_file(path: Option<&PathBuf>, text: String) -> Option<PathBuf> {
-    let mut save_path = path.cloned();
-
-    if path.is_none() {
-        save_path = FileDialog::new().set_directory("/").save_file();
-    }
-
-    match save_path {
-        Some(p) => {
-            let sp = p.clone();
-            io::save_file_to_disk(sp, text);
-            Some(p)
-        }
-        None => None,
-    }
-}
-
-fn save_file_as(text: String) -> Option<PathBuf> {
-    let files = FileDialog::new().set_directory("/").save_file();
-
-    match files {
-        Some(path) => {
-            io::save_file_to_disk(path.clone(), text);
-            Some(path)
-        }
-        None => None,
-    }
-}
-
-fn open_file() -> (Option<PathBuf>, String) {
-    let file = FileDialog::new().set_directory("/").pick_file();
-
-    match file {
-        Some(path) => {
-            let content = io::load_file_from_disk(path.clone());
-            (Some(path), content)
-        }
-        None => (None, String::new()),
-    }
-}
-
 pub fn file_action(state: &mut State, action: FileAction) -> Task<Message> {
     match action {
         FileAction::New => {
@@ -76,36 +34,41 @@ pub fn file_action(state: &mut State, action: FileAction) -> Task<Message> {
                 Task::none()
             }
         }
-        FileAction::Open => {
-            let (path, content) = open_file();
-            
-            if let Some(p) = path {
-                state.open_file(p, content);
-            }
-
-            Task::none()
-        }
+        FileAction::Open => Task::perform(io::open_file(), Message::FileOpened),
         FileAction::Save => {
             let (current_path, content) = state.active_file_data();
-
-            if let Some(path) = save_file(current_path, content) {
-                state.set_active_file_path(path);
-            }
-
-            Task::none()
+            let path = current_path.cloned();
+            Task::perform(io::save_file(path, content), Message::FileSaved)
         }
         FileAction::SaveAs => {
             let (_, content) = state.active_file_data();
-
-            if let Some(path) = save_file_as(content) {
-                state.set_active_file_path(path);
-            }
-
-            Task::none()
+            Task::perform(io::save_file(None, content), Message::FileSaved)
         }
     }
 }
 
+pub fn opened_file(state: &mut State, result: Result<(PathBuf, String), String>) -> Task<Message> {
+    match result {
+        Ok((path, content)) => {
+            state.open_file(path, content);
+        }
+        Err(_error) => {}
+    };
+
+    Task::none()
+}
+
+pub fn saved_file(state: &mut State, result: Result<PathBuf, String>) -> Task<Message> {
+    match result {
+        Ok(path) => {
+            state.set_active_file_path(path);
+        }
+        Err(_error) => {}
+    };
+
+    Task::none()
+}
+
 pub fn view_action(state: &mut State, action: ViewAction) -> Task<Message> {
     match action {
         ViewAction::Increase => state.increase_font(),

src/main.rs

@@ -1,11 +1,11 @@
 mod components;
 mod constants;
 mod file;
+mod handler;
 mod io;
 mod key_bindings;
-mod state;
-mod handler;
 mod message;
+mod state;
 
 use iced::Theme;
 use iced::widget::column;
@@ -41,8 +41,8 @@ fn update(state: &mut State, message: Message) -> Task<Message> {
         Message::LinkClicked(url) => handler::link_clicked(url),
         Message::FileActionSelected(action) => handler::file_action(state, action),
         Message::ViewActionSelected(action) => handler::view_action(state, action),
-        Message::FileOpened(_) => todo!(),
-        Message::FileSaved(path_buf) => todo!(),
+        Message::FileOpened(result) => handler::opened_file(state, result),
+        Message::FileSaved(result) => handler::saved_file(state, result),
     }
 }
 
@@ -83,4 +83,3 @@ fn subscription(_state: &State) -> Subscription<Message> {
 fn theme(_state: &State) -> Theme {
     Theme::Dark
 }
-