imag/bin/core/imag-store/src/retrieve.rs
Matthias Beyer e61ccc9561 Fix: Entry::to_str() should return Result<_>
Because serializing might fail.

Also fixes all usages of the API.
2018-03-26 14:24:42 +02:00

110 lines
3.5 KiB
Rust

//
// imag - the personal information management suite for the commandline
// Copyright (C) 2015-2018 Matthias Beyer <mail@beyermatthias.de> and contributors
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; version
// 2.1 of the License.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
//
use std::path::PathBuf;
use std::io::Write;
use clap::ArgMatches;
use libimagstore::store::FileLockEntry;
use libimagstore::storeid::StoreId;
use libimagrt::runtime::Runtime;
use libimagerror::trace::MapErrTrace;
use libimagerror::io::ToExitCode;
use libimagerror::exit::ExitUnwrap;
use libimagutil::debug_result::*;
pub fn retrieve(rt: &Runtime) {
rt.cli()
.subcommand_matches("retrieve")
.map(|scmd| {
// unwrap() is safe as arg is required
let id = scmd.value_of("id").unwrap();
let path = PathBuf::from(id);
let store = Some(rt.store().path().clone());
let path = StoreId::new(store, path).map_err_trace_exit_unwrap(1);
debug!("path = {:?}", path);
rt.store()
.retrieve(path)
.map(|e| print_entry(rt, scmd, e))
.map_dbg_str("No entry")
.map_dbg(|e| format!("{:?}", e))
.map_err_trace()
});
}
pub fn print_entry(rt: &Runtime, scmd: &ArgMatches, e: FileLockEntry) {
if do_print_raw(scmd) {
debug!("Printing raw content...");
let _ = writeln!(rt.stdout(), "{}", e.to_str().map_err_trace_exit_unwrap(1))
.to_exit_code()
.unwrap_or_exit();
} else if do_filter(scmd) {
debug!("Filtering...");
warn!("Filtering via header specs is currently now supported.");
warn!("Will fail now!");
unimplemented!()
} else {
debug!("Printing structured...");
if do_print_header(scmd) {
debug!("Printing header...");
if do_print_header_as_json(rt.cli()) {
debug!("Printing header as json...");
warn!("Printing as JSON currently not supported.");
warn!("Will fail now!");
unimplemented!()
} else {
debug!("Printing header as TOML...");
let _ = writeln!(rt.stdout(), "{}", e.get_header())
.to_exit_code()
.unwrap_or_exit();
}
}
if do_print_content(scmd) {
debug!("Printing content...");
let _ = writeln!(rt.stdout(), "{}", e.get_content())
.to_exit_code()
.unwrap_or_exit();
}
}
}
fn do_print_header(m: &ArgMatches) -> bool {
m.is_present("header")
}
fn do_print_header_as_json(m: &ArgMatches) -> bool {
m.is_present("header-json")
}
fn do_print_content(m: &ArgMatches) -> bool {
m.is_present("content")
}
fn do_print_raw(m: &ArgMatches) -> bool {
m.is_present("raw")
}
fn do_filter(m: &ArgMatches) -> bool {
m.subcommand_matches("filter-header").is_some()
}