Make code more functional by more function chaining.

Signed-off-by: Matthias Beyer <mail@beyermatthias.de>
This commit is contained in:
Matthias Beyer 2018-11-07 13:39:47 +01:00
parent d8a6e9ca9a
commit 07cbecc1ba
1 changed files with 32 additions and 34 deletions

View File

@ -140,42 +140,40 @@ fn show(rt: &Runtime) {
}
};
for iter in iters {
let _ = iter
.into_get_iter(rt.store())
.trace_unwrap_exit(1)
.filter_map(|opt| {
if opt.is_none() {
warn!("Failed to retrieve an entry from an existing store id");
}
Itertools::flatten(iters.into_iter())
.into_get_iter(rt.store())
.trace_unwrap_exit(1)
.filter_map(|opt| {
if opt.is_none() {
warn!("Failed to retrieve an entry from an existing store id");
}
opt
})
.filter(|e| e.is_log().map_err_trace_exit_unwrap(1))
.map(|entry| (entry.diary_id().map_err_trace_exit_unwrap(1), entry))
.sorted_by_key(|&(ref id, _)| id.clone())
.into_iter()
.map(|(id, entry)| {
debug!("Found entry: {:?}", entry);
let _ = writeln!(rt.stdout(),
"{dname: >10} - {y: >4}-{m:0>2}-{d:0>2}T{H:0>2}:{M:0>2} - {text}",
dname = id.diary_name(),
y = id.year(),
m = id.month(),
d = id.day(),
H = id.hour(),
M = id.minute(),
text = entry.get_content())
.to_exit_code()?;
opt
})
.filter(|e| e.is_log().map_err_trace_exit_unwrap(1))
.map(|entry| (entry.diary_id().map_err_trace_exit_unwrap(1), entry))
.sorted_by_key(|tpl| tpl.0.clone())
.into_iter()
.map(|tpl| { debug!("Found entry: {:?}", tpl.1); tpl })
.map(|(id, entry)| {
let _ = writeln!(rt.stdout(),
"{dname: >10} - {y: >4}-{m:0>2}-{d:0>2}T{H:0>2}:{M:0>2} - {text}",
dname = id.diary_name(),
y = id.year(),
m = id.month(),
d = id.day(),
H = id.hour(),
M = id.minute(),
text = entry.get_content())
.to_exit_code()?;
let _ = rt
.report_touched(entry.get_location())
.map_err_trace_exit_unwrap(1);
Ok(())
})
.collect::<Result<Vec<()>, ExitCode>>()
.unwrap_or_exit();
}
let _ = rt
.report_touched(entry.get_location())
.map_err_trace_exit_unwrap(1);
Ok(())
})
.collect::<Result<Vec<()>, ExitCode>>()
.unwrap_or_exit();
}
fn get_diary_name(rt: &Runtime) -> String {