Add device listing

src/commands/list.rs

@@ -1,8 +1,38 @@
-use crate::config::get_config_dir;
+use colored::Colorize;
 
+use crate::config::{get_config_dir, get_device_name, get_device_peripherals, get_device_profiles};
 
-pub fn list_tablets(){
+pub fn list_tablets() {
+    // Get the config directory
+    let config_dir = get_config_dir().unwrap();
 
-    let config_dir = get_config_dir();
+    // Get all known tablets in the directory
+    let tablets = std::fs::read_dir(config_dir.join("devices"))
+        .unwrap()
+        .map(|entry| entry.unwrap())
+        .collect::<Vec<_>>();
 
-}
+    // Iterate through the devices, grabbing additional info as needed and printing
+    for tablet in &tablets {
+        let tablet_dir_name = tablet.file_name();
+        let tablet_dir_name = tablet_dir_name.to_str().unwrap();
+
+        // Get the tablet's name from its `name` file
+        let name = get_device_name(tablet_dir_name).unwrap();
+        println!("{}: {}", tablet_dir_name, name.green());
+
+        // Get the tablet's peripheral profile from its `peripherals` file
+        let peripherals = get_device_peripherals(tablet_dir_name).unwrap();
+        println!(
+            "  - Peripherals:\n{}",
+            peripherals.iter().map(|p| format!("    - {}", p.to_string().cyan())).collect::<Vec<_>>().join("\n")
+        );
+
+        // Get the tablet's profiles from its `profiles` directory
+        let profiles = get_device_profiles(tablet_dir_name).unwrap();
+        println!(
+            "  - Profiles:\n{}",
+            profiles.iter().map(|p| format!("    - {}", p.to_string().cyan())).collect::<Vec<_>>().join("\n")
+        );
+    }
+}

src/config.rs

@@ -3,7 +3,8 @@ use std::path::PathBuf;
 use colored::Colorize;
 use directories::ProjectDirs;
 
-pub fn get_config_dir() -> Result<PathBuf, ()> {
+/// Gets the configuration directory for the app
+pub fn get_config_dir() -> Result<PathBuf, std::io::Error> {
     // Construct the path to the config directory for this app
     let project_dir = ProjectDirs::from("com", "va3zza", "tabset");
 
@@ -14,13 +15,72 @@ pub fn get_config_dir() -> Result<PathBuf, ()> {
             if config_dir.exists() {
                 Ok(config_dir.to_path_buf())
             } else {
-                eprintln!("{}\nPlease create: {}\nConfiguration info can be found at: ", 
-                    "tabset requires configuration files to be placed in its config directory.\nThis does not exist.".red(), 
-                    config_dir.display()
+                eprintln!(
+                    "{}\nPlease create: {}\nConfiguration info can be found at: {}",
+                    "tabset not configured".red(),
+                    config_dir.display().to_string().cyan(),
+                    "https://github.com/Ewpratten/tabset#configuration".cyan()
                 );
-                Err(())
+                Err(std::io::Error::new(
+                    std::io::ErrorKind::NotFound,
+                    "Config directory not found",
+                ))
             }
         }
-        None => Err(()),
+        None => Err(std::io::Error::new(
+            std::io::ErrorKind::NotFound,
+            "Config directory not found",
+        )),
     }
 }
+
+/// Gets the "friendly name" of a tablet from its config name
+pub fn get_device_name(config_name: &str) -> Result<String, std::io::Error> {
+    let config_dir = get_config_dir()?;
+    return std::fs::read_to_string(config_dir.join("devices").join(config_name).join("name"));
+}
+
+/// Gets a list of peripheral names for a tablet from its config name.
+///
+/// These would be what XWacom will look for if we run a `check` command
+pub fn get_device_peripherals(config_name: &str) -> Result<Vec<String>, std::io::Error> {
+    let config_dir = get_config_dir()?;
+    return std::fs::read_to_string(
+        config_dir
+            .join("devices")
+            .join(config_name)
+            .join("peripherals"),
+    )
+    .map(|peripherals| {
+        peripherals
+            .split('\n')
+            .map(|p| p.to_owned())
+            .collect::<Vec<_>>()
+    });
+}
+
+/// Gets a list of all profiles for a tablet from its config name.
+pub fn get_device_profiles(config_name: &str) -> Result<Vec<String>, std::io::Error> {
+    let config_dir = get_config_dir()?;
+    return std::fs::read_dir(
+        config_dir
+            .join("devices")
+            .join(config_name)
+            .join("profiles"),
+    )
+    .map(|profiles| {
+        profiles
+            .map(|profile| {
+                profile
+                    .unwrap()
+                    .file_name()
+                    .to_str()
+                    .unwrap()
+                    .to_owned()
+                    .strip_suffix(".sh")
+                    .unwrap()
+                    .to_owned()
+            })
+            .collect::<Vec<_>>()
+    });
+}