删除未保存的新打开的文件 (#5)

src/app.rs

@@ -52,6 +52,8 @@ impl Application {
                 if store {
                     let buffer = &self.ui.core.lock().unwrap().buffer;
                     self.file_manager.store(buffer)?
+                } else if self.file_manager.is_first_open() {
+                    self.file_manager.delete_files()?;
                 }
             }
             Err(_) => {

src/main.rs

@@ -19,7 +19,7 @@ fn main() -> io::Result<()> {
 
     let setting;
 
-    let file = File::open("config.yam");
+    let file = File::open("config.yaml");
     if file.is_err() {
         setting = DeserializeAppOption::default();
     } else {

src/utils/file.rs

@@ -5,16 +5,21 @@ use std::{
 
 use super::buffer::EditBuffer;
 
+use std::path::PathBuf;
+
 pub const BAK_SUFFIX: &'static str = ".heldbak";
 
 pub struct FileManager {
     name: String,
     file: File,
+    is_first_open: bool,
     bak: Option<File>,
 }
 
 impl FileManager {
     pub fn new(file_path: String) -> io::Result<Self> {
+        let ifo_flag = !PathBuf::from(file_path.clone()).exists();
+
         let file = File::options()
             .write(true)
             .read(true)
@@ -23,6 +28,7 @@ impl FileManager {
 
         Ok(Self {
             file,
+            is_first_open: ifo_flag,
             name: file_path,
             bak: None,
         })
@@ -83,4 +89,19 @@ impl FileManager {
 
         Ok(())
     }
+
+    pub fn is_first_open(&mut self) -> bool {
+        self.is_first_open
+    }
+
+    pub fn delete_files(&mut self) -> io::Result<()> {
+        if !self.name.is_empty() {
+            fs::remove_file(self.name.clone())?;
+        }
+
+        if self.bak.is_some() {
+            fs::remove_file(format!("{}{}", self.name, BAK_SUFFIX))?;
+        }
+        Ok(())
+    }
 }