🚧 Adds rbw item struct

Signed-off-by: Ash Svitan <selfsigned-ash@proton.me>

src/rbw.rs

@@ -0,0 +1,35 @@
+use crate::sh;
+use serde::Deserialize;
+use std::io::{Error, ErrorKind};
+
+const EXECUTABLE: &str = "rbw";
+
+#[derive(Deserialize, Debug)]
+pub struct Item {
+    pub id: String,
+    pub name: String,
+    pub user: String,
+    pub uris: Vec<String>,
+    #[serde(rename = "type")]
+    pub type_: String,
+}
+
+pub fn check_rbw() -> Result<(), Error> {
+    let which = sh::sh(format!("which {}", EXECUTABLE));
+    if which.is_empty() {
+        return Err(Error::new(
+            ErrorKind::Other,
+            format!("{} is not installed", EXECUTABLE),
+        ));
+    }
+
+    let unlocked = sh::sh(format!("{} unlocked", EXECUTABLE));
+    if !unlocked.is_empty() {
+        return Err(Error::new(
+            ErrorKind::Other,
+            format!("{} database not unlocked", EXECUTABLE),
+        ));
+    }
+
+    return Ok(());
+}