use std::path::PathBuf;
use clap::{Arg, ArgMatches};
use libimagstore::storeid::StoreId;
use failure::err_msg;
use failure::Fallible as Result;
pub fn id_argument<'a, 'b>() -> Arg<'a, 'b> {
Arg::with_name(id_argument_name())
.short(id_argument_short())
.long(id_argument_long())
.takes_value(true)
.multiple(true)
.help("Specify the Store-Id")
}
pub fn id_argument_name() -> &'static str {
"id-argument"
}
pub fn id_argument_short() -> &'static str {
"i"
}
pub fn id_argument_long() -> &'static str {
"id"
}
pub fn get_id(matches: &ArgMatches) -> Result<Vec<StoreId>> {
matches
.values_of(id_argument_name())
.ok_or_else(|| err_msg("CLI error"))
.and_then(|vals| {
vals
.fold(Ok(vec![]), |acc, elem| {
acc.and_then(|mut v| {
let elem = StoreId::new(PathBuf::from(String::from(elem)))?;
v.push(elem);
Ok(v)
})
})
})
}
pub fn get_or_select_id(matches: &ArgMatches, store_path: &PathBuf) -> Result<Vec<StoreId>> {
use interactor::{pick_file, default_menu_cmd};
get_id(matches)
.or_else(|_| {
let path = store_path.clone();
let p = pick_file(default_menu_cmd, path)?;
let id = StoreId::new(p)?;
Ok(vec![id])
})
}