implement generic report generation

cli/src/invocation/cmd/list.rs

@@ -1,8 +1,6 @@
 use crate::argparse::Report;
-use crate::invocation::filtered_tasks;
-use crate::table;
+use crate::invocation::display_report;
 use failure::Fallible;
-use prettytable::{cell, row, Table};
 use taskchampion::Replica;
 use termcolor::WriteColor;
 
@@ -11,29 +9,13 @@ pub(crate) fn execute<W: WriteColor>(
     replica: &mut Replica,
     report: Report,
 ) -> Fallible<()> {
-    let mut t = Table::new();
-    t.set_format(table::format());
-    t.set_titles(row![b->"id", b->"act", b->"description"]);
-    for task in filtered_tasks(replica, &report.filter)? {
-        let uuid = task.get_uuid();
-        let mut id = uuid.to_string();
-        if let Some(i) = replica.get_working_set_index(&uuid)? {
-            id = i.to_string();
-        }
-        let active = match task.is_active() {
-            true => "*",
-            false => "",
-        };
-        t.add_row(row![id, active, task.get_description()]);
-    }
-    t.print(w)?;
-    Ok(())
+    display_report(w, replica, &report)
 }
 
 #[cfg(test)]
 mod test {
     use super::*;
-    use crate::argparse::Filter;
+    use crate::argparse::{Column, Filter, Property};
     use crate::invocation::test::*;
     use taskchampion::Status;
 
@@ -47,6 +29,11 @@ mod test {
             filter: Filter {
                 ..Default::default()
             },
+            columns: vec![Column {
+                label: "Description".to_owned(),
+                property: Property::Description,
+            }],
+            ..Default::default()
         };
         execute(&mut w, &mut replica, report).unwrap();
         assert!(w.into_string().contains("my task"));