replace GString with DateTime object

README.md

@@ -14,6 +14,7 @@ GTK 4 / Libadwaita client written in Rust
 
 Make sure your system support:
 
+* Glib 2.56+
 * GTK 4.8+
 * Libadwaita 1.4+
 

src/app/browser/window/tab/item/page/content/text/gemini/reader.rs

@@ -7,15 +7,13 @@ use widget::Widget;
 
 use gtk::{
     gio::SimpleAction,
-    glib::{GString, Uri},
+    glib::{GString, TimeZone, Uri},
     prelude::{TextBufferExt, TextBufferExtManual},
     TextBuffer, TextTag, TextTagTable, TextView, WrapMode,
 };
 
 use std::sync::Arc;
 
-const NEW_LINE: &str = "\n";
-
 pub struct Reader {
     title: Option<GString>,
     // css: CssProvider,
@@ -68,7 +66,6 @@ impl Reader {
         tags.add(&link);
 
         // Parse lines
-
         let buffer = TextBuffer::new(Some(&tags));
 
         for line in gemtext.lines() {
@@ -88,7 +85,7 @@ impl Reader {
                     &[tag],
                 );
 
-                buffer.insert(&mut buffer.end_iter(), NEW_LINE);
+                buffer.insert(&mut buffer.end_iter(), "\n");
 
                 // Set title if empty, on first document header match
                 // this feature wanted to update parent elements like tab title
@@ -100,7 +97,7 @@ impl Reader {
             }
 
             // Is link
-            if let Some(link) = Link::from(line, Some(base)) {
+            if let Some(link) = Link::from(line, Some(base), Some(&TimeZone::local())) {
                 // Build link alt from optional values
                 let mut alt = Vec::new();
 
@@ -112,8 +109,11 @@ impl Reader {
                 }
 
                 // Append date on exist
-                if let Some(date) = link.date {
+                if let Some(timestamp) = link.timestamp {
-                    alt.push(date.to_string());
+                    // https://docs.gtk.org/glib/method.DateTime.format.html
+                    if let Ok(value) = timestamp.format("%Y-%m-%d") {
+                        alt.push(value.to_string())
+                    }
                 }
 
                 // Append alt on exist or use URL
@@ -123,14 +123,14 @@ impl Reader {
                 });
 
                 buffer.insert_with_tags_by_name(&mut buffer.end_iter(), &alt.join(" "), &["link"]);
-                buffer.insert(&mut buffer.end_iter(), NEW_LINE);
+                buffer.insert(&mut buffer.end_iter(), "\n");
 
                 continue;
             }
 
             // Nothing match, use plain text @TODO
             buffer.insert(&mut buffer.end_iter(), line);
-            buffer.insert(&mut buffer.end_iter(), NEW_LINE);
+            buffer.insert(&mut buffer.end_iter(), "\n");
         }
 
         // Init widget

src/app/browser/window/tab/item/page/content/text/gemini/reader/parser/link.rs

@@ -1,17 +1,19 @@
-use gtk::glib::{GString, Regex, RegexCompileFlags, RegexMatchFlags, Uri, UriFlags};
+use gtk::glib::{
+    DateTime, GString, Regex, RegexCompileFlags, RegexMatchFlags, TimeZone, Uri, UriFlags,
+};
 
 pub struct Link {
-    pub alt: Option<GString>,
+    pub alt: Option<GString>,        // [optional] alternative link description
-    pub date: Option<GString>, // @TODO https://docs.gtk.org/glib/struct.Date.html
+    pub is_external: Option<bool>,   // [optional] external link indication, on base option provided
-    pub is_external: Option<bool>, // on to_base option provided
+    pub timestamp: Option<DateTime>, // [optional] valid link DateTime object
-    pub uri: Uri,
+    pub uri: Uri,                    // [required] valid link URI object
 }
 
 impl Link {
-    pub fn from(line: &str, to_base: Option<&Uri>) -> Option<Self> {
+    pub fn from(line: &str, base: Option<&Uri>, timezone: Option<&TimeZone>) -> Option<Self> {
         // Define initial values
         let mut alt = None;
-        let mut date = None;
+        let mut timestamp = None;
         let mut is_external = None;
 
         // Begin line parse
@@ -26,7 +28,7 @@ impl Link {
         let unresolved_address = regex.get(1)?;
 
         // Convert address to the valid URI
-        let uri = match to_base {
+        let uri = match base {
             // Base conversion requested
             Some(base_uri) => {
                 // Convert relative address to absolute
@@ -64,9 +66,15 @@ impl Link {
             }
         };
 
-        // Date
+        // Timestamp
-        if let Some(value) = regex.get(2) {
+        if let Some(date) = regex.get(2) {
-            date = Some(GString::from(value.as_str()))
+            // @TODO even possible, but simpler to work with `DateTime` API
+            // await for new features in `Date` as better in Gemini context
+            // https://docs.gtk.org/glib/struct.Date.html
+            timestamp = match DateTime::from_iso8601(&format!("{date}T00:00:00"), timezone) {
+                Ok(value) => Some(value),
+                Err(_) => None,
+            }
         }
 
         // Alt
@@ -76,8 +84,8 @@ impl Link {
 
         Some(Self {
             alt,
-            date,
             is_external,
+            timestamp,
             uri,
         })
     }