Actions methods, and clearer comments

src/main.rs

@@ -4,10 +4,10 @@ use notification::{print_notif, to_notif};
 use futures_util::stream::TryStreamExt;
 use zbus::{Connection, Result};
 
-const SERVER_NAME: &str = "SNot";
-const VENDOR: &str = "candifloss.cc";
-const VERSION: &str = "0.1.0";
-const SPEC_VERSION: &str = "1.0";
+const SERVER_NAME: &str = "SNot"; // Server software name
+const VENDOR: &str = "candifloss.cc"; // Server sw author
+const VERSION: &str = "0.1.0"; // Server version
+const SPEC_VERSION: &str = "0.42"; // DBus Spec version
 
 #[tokio::main]
 async fn main() -> Result<()> {
@@ -43,7 +43,6 @@ async fn main() -> Result<()> {
                     let notif = to_notif(&msg_body)?;
                     // Print the notif
                     print_notif(&notif);
-                    println!("{}\n", notif.urgency());
                     // Done. Respond to the client with a notification ID
                     let notification_id: u32 = 1; // This could be incremented or generated. Do it l8r
                     connection.reply(&msg, &notification_id).await?; // The client will disconnect when it gets this response

src/notification.rs

@@ -1,22 +1,30 @@
-use std::collections::{btree_map::Range, HashMap};
+use std::collections::HashMap;
 use zbus::{message::Body, Result};
 use zvariant::OwnedValue;
 
+// A notificaion object
 pub struct Notification {
-    // A notificaion object
-    app_name: String,                   // The application that sent the notification
-    replace_id: u32, // (Optional) ID of an existing notification to be updated, replaced by this
-    icon: String, // See icon specifications: https://specifications.freedesktop.org/notification-spec/latest/icons-and-images.html
-    summary: String, // Notification title
-    body: String, // Notification content/body
-    actions: Vec<String>, // Action requests that can be sent back to the client -
-    hints: HashMap<String, OwnedValue>, // Extra useful data - notif type, urgency, sound file, icon data, etc.
-    expir_timeout: i32,                 // Seconds till this notif expires. Optional
+    // The application that sent the notification
+    app_name: String,
+    // (Optional) ID of an existing notification to be updated, replaced by this
+    replace_id: u32,
+    // See icon specifications: https://specifications.freedesktop.org/notification-spec/latest/icons-and-images.html
+    icon: String,
+    // Notification title
+    summary: String,
+    // Notification content/body
+    body: String,
+    // Action requests that can be sent back to the client - "Reply," "Mark as Read," "Play/Pause/Next," "Snooze/Dismiss," etc.
+    actions: Vec<String>,
+    // Extra useful data - notif type, urgency, sound file, icon data, etc.
+    hints: HashMap<String, OwnedValue>,
+    // Seconds till this notif expires. Optional
+    expir_timeout: i32,
 }
 
 impl Notification {
-    pub fn urgency(&self) -> String {
     // Obtain urgency
+    pub fn urgency(&self) -> String {
         match self.hints.get("urgency") {
             Some(value) => {
                 // Attempt to convert OwnedValue to u8
@@ -31,20 +39,43 @@ impl Notification {
         }
     }
 
-    pub fn actions(&self) -> HashMap<String, String> {
-        let mut acts: HashMap<String, String>;
-        for i in Range(self.actions.len()) {
+    // Key:Val pairs of actions
+    pub fn actions(&self) -> Vec<(String, String)> {
+        let mut actions: Vec<(String, String)> = vec![];
+        let acts = &self.actions;
+        let act_len = acts.len();
+        let mut i = 0;
+        while i < act_len {
+            // Action ID, used by the sender to id the clicked action
+            let action_id = &acts[i];           
+            // Localised human-readable string that describes the label
+            let action_label = &acts[i + 1];    
+            // Pair of (id: label)
+            let action_pair = (action_id.to_owned(), action_label.to_owned());
+            // Add it to the Vec
+            actions.push(action_pair);
+            i += 2;
+        }
+        actions
+    }
 
+    // Default action
+    pub fn default_action(&self) -> Option<(String, String)> {
+        if self.actions().is_empty() {
+            None
+        } else {
+            Some(self.actions()[0].clone())
         }
     }
 }
 
+// Convert the DBus message body into Notification
 pub fn to_notif(msg_body: &Body) -> Result<Notification> {
-    // Convert the DBus message body into Notification
+    // Deserialized body into a tuple
     let (app_name, replace_id, icon, summary, body, actions, hints, expir_timeout) =
-        msg_body.deserialize()?; // Deserialized into a tuple
-    Ok(Notification {
+        msg_body.deserialize()?;
     // Make a Notification object from the obtained tuple
+    Ok(Notification {
         app_name,
         replace_id,
         icon,
@@ -62,10 +93,22 @@ pub fn print_notif(notif: &Notification) {
     println!("Icon: {0}", notif.icon);
     println!("Summary: {0}", notif.summary);
     println!("Body: {0}", notif.body);
-    println!("Actions: {0:?}", notif.actions);
+    // println!("Actions: {0:?}", notif.actions);
+    println!("Actions:");
+    if notif.actions().is_empty() {
+        println!("\tNone");
+    } else {
+        for actn in notif.actions() {
+            println!("\t{}: {},", actn.0, actn.1);
+        }
+    }
+    if let Some(action) = notif.default_action() {
+        println!("Default action:\t{}:{}", action.0, action.1);
+    }
     println!("Hints:");
     for (key, value) in &notif.hints {
-        println!("  {key}: {value:?}");
+        println!("\t{key}: {value:?}");
     }
+    println!("Urgency:{}", notif.urgency());
     println!("Expiration Timeout: {0} seconds", notif.expir_timeout);
 }