feat: add previewer trait

1 files changed, 32 insertions, 6 deletions

diff --git a/src/project.rs b/src/project.rs
index 5f1edc5..e6faf66 100644
--- a/src/project.rs
+++ b/src/project.rs
@@ -1,5 +1,7 @@
 use std::{
+    io::Write,
     path::PathBuf,
+    process::{Command, Stdio},
     time::{Duration, SystemTime},
 };
 
@@ -13,6 +15,20 @@ mod path;
 
 pub type ProjectItem = Box<dyn Project<Error = Error>>;
 
+pub trait Project: Timestamp {
+    fn to_path_buf(&self) -> &PathBuf;
+}
+
+impl<T> Project for T
+where
+    T: Timestamp,
+    T: AsRef<PathBuf>,
+{
+    fn to_path_buf(&self) -> &PathBuf {
+        self.as_ref()
+    }
+}
+
 pub trait Timestamp {
     type Error;
 
@@ -34,16 +50,26 @@ where
     }
 }
 
-pub trait Project: Timestamp {
-    fn to_path_buf(&self) -> &PathBuf;
+pub trait Preview {
+    type Error;
+
+    fn preview(&self) -> Result<(), Self::Error>;
 }
 
-impl<T> Project for T
+impl<T> Preview for T
 where
-    T: Timestamp,
     T: AsRef<PathBuf>,
 {
-    fn to_path_buf(&self) -> &PathBuf {
-        self.as_ref()
+    type Error = std::io::Error;
+
+    fn preview(&self) -> Result<(), Self::Error> {
+        let output = Command::new("ls")
+            .arg("-l")
+            .arg("-a")
+            .arg(self.to_path_buf())
+            .stdout(Stdio::piped())
+            .output()?;
+
+        std::io::stdout().write_all(&output.stdout)
     }
 }