basic show

src/editor.rs

@@ -2,14 +2,18 @@ use std::env;
 use std::fs::read_to_string;
 use std::process::Command;
 use tempfile::NamedTempFile;
-use std::io;
+use std::io::{self, Write};
+
+
+const DEFAULT_EDITOR: &str = "nano";
+
 
 pub fn open_to_edit() -> io::Result<String> {
     // Create a temporary file
     let temp_file = NamedTempFile::new()?;
     // Get the user's preferred editor from the $EDITOR environment variable
     // Default is 'nano'
-    let editor = env::var("EDITOR").unwrap_or_else(|_| "nano".to_string());
+    let editor = env::var("EDITOR").unwrap_or_else(|_| DEFAULT_EDITOR.to_string());
 
     // Get the path of the temp file
     let file_path = temp_file.path().to_str().unwrap().to_string();
@@ -17,13 +21,29 @@ pub fn open_to_edit() -> io::Result<String> {
     // Open the file in the external editor
     Command::new(editor)
         .arg(&file_path)
-        .status()
-        .expect("Failed to open editor");
+        .status()?;
 
     // Read the file content after editing
     let edited_content = read_to_string(&file_path)?;
 
     // Print the edited content
     Ok(edited_content)
+}
 
+pub fn open_to_show(content: &String) -> io::Result<()> {
+    let mut temp_file = NamedTempFile::new()?;
+
+    // Write the content to the file
+    write!(temp_file, "{}", content)?;
+
+    // Default is 'nano'
+    let editor = env::var("EDITOR").unwrap_or_else(|_| DEFAULT_EDITOR.to_string());
+
+    let file_path = temp_file.path().to_str().unwrap().to_string();
+
+    // Open the file in the external editor
+    Command::new(editor)
+        .arg(&file_path)
+        .status()?;
+    Ok(())
 }

src/main.rs

@@ -140,8 +140,7 @@ fn show(id: &String) -> io::Result<()> {
     }
 
     let item = st.get(id);
-    println!("content:");
-    println!("{}", item.content);
+    editor::open_to_show(&item.content);
     Ok(())
 }