Add an option to only print current projects

src/controller/list.rs

@@ -6,10 +6,10 @@ use crate::data::getter;
 use crate::view::list;
 
 // lists all currently runninng activities.
-pub fn list_running(file_name: &str) -> Result<()> {
+pub fn list_running(file_name: &str, only_project: bool) -> Result<()> {
     let file_content = bartib_file::get_file_content(file_name)?;
     let running_activities = getter::get_running_activities(&file_content);
-    list::list_running_activities(&running_activities);
+    list::list_running_activities(&running_activities, only_project);
 
     Ok(())
 }

src/main.rs

@@ -136,7 +136,14 @@ fn main() -> Result<()> {
                 .about("cancels all currently running activities")
         )
         .subcommand(
-            SubCommand::with_name("current").about("lists all currently running activities"),
+            SubCommand::with_name("current")
+                .about("lists all currently running activities")
+                .arg(
+                    Arg::with_name("compact_mode")
+                    .long("compact")
+                    .short("c")
+                    .help("Compact mode. Report only projects names. Nothing if no current project. Useful for shell plugins")
+                )
         )
         .subcommand(
             SubCommand::with_name("list")
@@ -257,7 +264,7 @@ fn run_subcommand(matches: &ArgMatches, file_name: &str) -> Result<()> {
             bartib::controller::manipulation::stop(file_name, time)
         }
         ("cancel", Some(_)) => bartib::controller::manipulation::cancel(file_name),
-        ("current", Some(_)) => bartib::controller::list::list_running(file_name),
+        ("current", Some(sub_m)) => bartib::controller::list::list_running(file_name, sub_m.is_present("compact_mode") ),
         ("list", Some(sub_m)) => {
             let filter = create_filter_for_arguments(sub_m);
             let do_group_activities = !sub_m.is_present("no_grouping") && filter.date.is_none();

src/view/list.rs

@@ -62,7 +62,17 @@ fn create_activites_group(title: &str, activities: &[&activity::Activity]) -> ta
 }
 
 // displays a table with running activities (no end time)
-pub fn list_running_activities(running_activities: &[&activity::Activity]) {
+pub fn list_running_activities(running_activities: &[&activity::Activity], compact_mode: bool) {
+    if compact_mode {
+        print!("{}",
+            running_activities
+                .iter()
+                .map(|a|a.project.clone())
+                .collect::<Vec<_>>()
+                .join(", ")
+        );
+        return
+    }
     if running_activities.is_empty() {
         println!("No Activity is currently running");
     } else {