use prettytable for tabular outputs

cli/src/cmd/list.rs

@@ -1,5 +1,7 @@
+use crate::table;
 use clap::{App, ArgMatches, SubCommand as ClapSubCommand};
 use failure::Fallible;
+use prettytable::{cell, row, Table};
 
 use crate::cmd::{ArgMatchResult, CommandInvocation};
 
@@ -21,9 +23,13 @@ define_subcommand! {
 
 subcommand_invocation! {
     fn run(&self, command: &CommandInvocation) -> Fallible<()> {
+        let mut t = Table::new();
+        t.set_format(table::format());
+        t.set_titles(row![b->"uuid", b->"description"]);
         for (uuid, task) in command.get_replica().all_tasks().unwrap() {
-            println!("{} - {:?}", uuid, task);
+            t.add_row(row![uuid, task.get_description()]);
         }
+        t.printstd();
         Ok(())
     }
 }

cli/src/cmd/pending.rs

@@ -1,5 +1,7 @@
+use crate::table;
 use clap::{App, ArgMatches, SubCommand as ClapSubCommand};
 use failure::Fallible;
+use prettytable::{cell, row, Table};
 
 use crate::cmd::{ArgMatchResult, CommandInvocation};
 
@@ -24,11 +26,15 @@ define_subcommand! {
 subcommand_invocation! {
     fn run(&self, command: &CommandInvocation) -> Fallible<()> {
         let working_set = command.get_replica().working_set().unwrap();
+        let mut t = Table::new();
+        t.set_format(table::format());
+        t.set_titles(row![b->"id", b->"description"]);
         for i in 1..working_set.len() {
             if let Some(ref task) = working_set[i] {
-                println!("{}: {} - {:?}", i, task.get_uuid(), task);
+                t.add_row(row![i, task.get_description()]);
             }
         }
+        t.printstd();
         Ok(())
     }
 }

cli/src/lib.rs

@@ -3,6 +3,8 @@ use failure::Fallible;
 use std::ffi::OsString;
 
 mod cmd;
+mod table;
+
 use cmd::ArgMatchResult;
 pub use cmd::CommandInvocation;
 

cli/src/table.rs

@@ -0,0 +1,8 @@
+use prettytable::format;
+
+pub(crate) fn format() -> format::TableFormat {
+    format::FormatBuilder::new()
+        .column_separator(' ')
+        .borders(' ')
+        .build()
+}