basic editing

src/editor.rs

@@ -7,10 +7,14 @@ use std::io::{self, Write};
 
 const DEFAULT_EDITOR: &str = "nano";
 
-
-pub fn open_to_edit() -> io::Result<String> {
+// Use with content "" (empty string) for adding new item
+pub fn open_to_edit(content: &String) -> io::Result<String> {
     // Create a temporary file
-    let temp_file = NamedTempFile::new()?;
+    let mut temp_file = NamedTempFile::new()?;
+
+    // Write content
+    write!(temp_file, "{}", content)?;
+
     // Get the user's preferred editor from the $EDITOR environment variable
     // Default is 'nano'
     let editor = env::var("EDITOR").unwrap_or_else(|_| DEFAULT_EDITOR.to_string());
@@ -47,3 +51,4 @@ pub fn open_to_show(content: &String) -> io::Result<()> {
         .status()?;
     Ok(())
 }
+

src/main.rs

@@ -128,8 +128,9 @@ fn add(id: &String) -> io::Result<()> {
             PROMPT::NO => return Ok(()),
         }
     }
-
-    let content = editor::open_to_edit()?;
+    
+    // set empty string because there is no content yet
+    let content = editor::open_to_edit(&String::from(""))?;
     st.add(Item::from(id.clone(), content));
     st.dump()?;
 
@@ -138,6 +139,21 @@ fn add(id: &String) -> io::Result<()> {
 
 fn edit(id: &String) -> io::Result<()> {
     // TODO: implement
+    let passphrase = login()?;
+    let mut st = Storage::from_db(passphrase)?;
+    if !st.contains(id) {
+        return Err(io::Error::new(
+            io::ErrorKind::InvalidInput,
+            format!("Can`t find id: {}", id)
+        ));
+    }
+
+    let mut item = (*st.get(id)).clone();
+    let new_content = editor::open_to_edit(&item.content)?;
+    item.content = new_content;
+    st.update(item);
+    st.dump()?;
+
     Ok(())
 } 
 

src/storage.rs

@@ -18,7 +18,7 @@ static STORAGE_PATH: Lazy<String> = Lazy::new(|| {
 });
 static PASSWORD_TEST_SALT: &str = "MyPasswordStorage1234567890";
 
-
+#[derive(Clone)]
 pub struct Item {
     pub id: String,
     pub content: String
@@ -200,6 +200,11 @@ impl Storage {
         self.items.insert(item);
     }
 
+    pub fn update(&mut self, item: Item) {
+        self.items.remove(&item);
+        self.items.insert(item);
+    }
+
     pub fn dump(&self) -> io::Result<()> {
         let mut file = fs::OpenOptions::new()
             .write(true)