Make the log buffer show logs

src/buffers/log.rs

@@ -14,13 +14,23 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
+use std::collections::VecDeque;
+use std::sync::Arc;
+use std::sync::RwLock;
+
+use ratatui::text::Text;
+use tracing_error::ErrorLayer;
+use tracing_subscriber::prelude::*;
+
 use super::Buffer;
 
-pub struct LogBuffer {}
+pub struct LogBuffer {
+  lines: &'static RwLock<VecDeque<String>>,
+}
 
 impl LogBuffer {
-  pub fn new() -> Self {
-    LogBuffer {}
+  pub fn new(lines: &'static RwLock<VecDeque<String>>) -> Self {
+    LogBuffer { lines }
   }
 }
 
@@ -28,4 +38,21 @@ impl Buffer for LogBuffer {
   fn short_name(&self) -> String {
     "ratatrix".to_owned()
   }
+
+  fn content(&self) -> Text {
+    let lines = self
+      .lines
+      .read()
+      .expect("LogBuffer could not get log's RwLock as it is poisoned");
+    let (slice1, slice2) = lines.as_slices();
+    let text = if slice1.is_empty() {
+      slice2.join("\n")
+    } else if slice2.is_empty() {
+      slice1.join("\n")
+    } else {
+      format!("{}\n{}", slice1.join("\n"), slice2.join("\n"))
+    };
+    use ansi_to_tui::IntoText;
+    text.clone().into_text().unwrap_or_else(|_| text.into())
+  }
 }