working func for opening PDFs, needs refinement (MacOS)

3 files changed, 27 insertions, 3 deletions

diff --git a/src/frontend/entries.rs b/src/frontend/entries.rs
index 8eadfa2..b1312ec 100644
--- a/src/frontend/entries.rs
+++ b/src/frontend/entries.rs
@@ -18,11 +18,14 @@
 use super::app::App;
 use super::tui::Tui;
 use crate::backend::search::BibiSearch;
-use color_eyre::eyre::Result;
+use color_eyre::eyre::{Context, Ok, Result};
 use editor_command::EditorBuilder;
 use itertools::Itertools;
 use ratatui::widgets::TableState;
-use std::process::Command;
+use std::{
+    io::Stderr,
+    process::{Command, Stdio},
+};
 
 impl FromIterator<Vec<String>> for EntryTable {
     fn from_iter<T: IntoIterator<Item = Vec<String>>>(iter: T) -> Self {
@@ -214,4 +217,22 @@ impl App {
         // self.search_struct.filtered_entry_list = filtered_list.clone();
         self.entry_table = EntryTable::from_iter(filtered_list)
     }
+
+    // Open file connected with entry through 'file' or 'pdf' field
+    pub fn open_connected_file(&mut self) -> Result<()> {
+        let idx = self.entry_table.entry_table_state.selected().unwrap();
+        let filepath = &self.entry_table.entry_table_items[idx].filepath.clone();
+
+        // Build command to execute pdf-reader. 'xdg-open' is Linux standard
+        // TODO: need to implement for MacOS ('opener'). Windows, I don't know...
+        let _ = Command::new("xdg-open")
+            .arg(&filepath)
+            // Pipe output produced by opener to /dev/null
+            .stdout(Stdio::null())
+            .stderr(Stdio::null())
+            .spawn()
+            .wrap_err("Opening file not possible");
+
+        Ok(())
+    }
 }
diff --git a/src/frontend/handler.rs b/src/frontend/handler.rs
index a718a87..5bb52d5 100644
--- a/src/frontend/handler.rs
+++ b/src/frontend/handler.rs
@@ -99,6 +99,9 @@ pub fn handle_key_events(key_event: KeyEvent, app: &mut App, tui: &mut Tui) -> R
             KeyCode::Char('e') => {
                 app.run_editor(tui)?;
             }
+            KeyCode::Char('o') => {
+                app.open_connected_file()?;
+            }
             KeyCode::Char('/') => {
                 app.enter_search_area();
             }
diff --git a/src/frontend/ui.rs b/src/frontend/ui.rs
index 4920b81..ed6171e 100644
--- a/src/frontend/ui.rs
+++ b/src/frontend/ui.rs
@@ -27,7 +27,7 @@ use ratatui::{
     },
 };
 
-use crate::{backend::bib::BibiEntry, frontend::app::App, frontend::keywords::TagListItem};
+use crate::{frontend::app::App, frontend::keywords::TagListItem};
 
 use super::app::{CurrentArea, FormerArea};