imag/imag-link/src/main.rs

297 lines
8.2 KiB
Rust

#![deny(
non_camel_case_types,
non_snake_case,
path_statements,
trivial_numeric_casts,
unstable_features,
unused_allocation,
unused_import_braces,
unused_imports,
unused_must_use,
unused_mut,
unused_qualifications,
while_true,
)]
#[macro_use] extern crate log;
extern crate clap;
#[macro_use] extern crate semver;
extern crate toml;
extern crate url;
#[macro_use] extern crate version;
extern crate libimagentrylink;
extern crate libimagrt;
extern crate libimagstore;
extern crate libimagerror;
use std::process::exit;
use std::ops::Deref;
use libimagrt::runtime::Runtime;
use libimagrt::setup::generate_runtime_setup;
use libimagstore::error::StoreError;
use libimagstore::store::Entry;
use libimagstore::store::FileLockEntry;
use libimagstore::store::Store;
use libimagerror::trace::{trace_error, trace_error_exit};
use libimagentrylink::external::ExternalLinker;
use clap::ArgMatches;
use url::Url;
mod ui;
use ui::build_ui;
fn main() {
let rt = generate_runtime_setup("imag-link",
&version!()[..],
"Link entries",
build_ui);
rt.cli()
.subcommand_name()
.map(|name| {
match name {
"internal" => handle_internal_linking(&rt),
"external" => handle_external_linking(&rt),
_ => {
warn!("No commandline call");
exit(1);
},
}
});
}
fn handle_internal_linking(rt: &Runtime) {
use libimagentrylink::internal::InternalLinker;
debug!("Handle internal linking call");
let cmd = rt.cli().subcommand_matches("internal").unwrap();
if cmd.is_present("list") {
debug!("List...");
for entry in cmd.value_of("list").unwrap().split(',') {
debug!("Listing for '{}'", entry);
match get_entry_by_name(rt, entry) {
Ok(e) => {
e.get_internal_links()
.map(|links| {
for (i, link) in links.iter().map(|l| l.to_str()).filter_map(|x| x).enumerate() {
println!("{: <3}: {}", i, link);
}
})
.map_err(|e| trace_error(&e))
.ok();
},
Err(e) => {
trace_error(&e);
break;
},
}
}
debug!("Listing ready!");
} else {
let mut from = {
let from = get_from_entry(&rt);
if from.is_none() {
warn!("No 'from' entry");
exit(1);
}
from.unwrap()
};
debug!("Link from = {:?}", from.deref());
let to = {
let to = get_to_entries(&rt);
if to.is_none() {
warn!("No 'to' entry");
exit(1);
}
to.unwrap()
};
debug!("Link to = {:?}", to.iter().map(|f| f.deref()).collect::<Vec<&Entry>>());
match cmd.subcommand_name() {
Some("add") => {
for mut to_entry in to {
if let Err(e) = to_entry.add_internal_link(&mut from) {
trace_error_exit(&e, 1);
}
}
},
Some("remove") => {
for mut to_entry in to {
if let Err(e) = to_entry.remove_internal_link(&mut from) {
trace_error_exit(&e, 1);
}
}
},
_ => unreachable!(),
};
}
}
fn get_from_entry<'a>(rt: &'a Runtime) -> Option<FileLockEntry<'a>> {
rt.cli()
.subcommand_matches("internal")
.unwrap() // safe, we know there is an "internal" subcommand"
.subcommand_matches("add")
.unwrap() // safe, we know there is an "add" subcommand
.value_of("from")
.and_then(|from_name| {
match get_entry_by_name(rt, from_name) {
Err(e) => {
debug!("We couldn't get the entry from name: '{:?}'", from_name);
trace_error(&e); None
},
Ok(e) => Some(e),
}
})
}
fn get_to_entries<'a>(rt: &'a Runtime) -> Option<Vec<FileLockEntry<'a>>> {
rt.cli()
.subcommand_matches("internal")
.unwrap() // safe, we know there is an "internal" subcommand"
.subcommand_matches("add")
.unwrap() // safe, we know there is an "add" subcommand
.values_of("to")
.map(|values| {
let mut v = vec![];
for entry in values.map(|v| get_entry_by_name(rt, v)) {
match entry {
Err(e) => trace_error(&e),
Ok(e) => v.push(e),
}
}
v
})
}
fn get_entry_by_name<'a>(rt: &'a Runtime, name: &str) -> Result<FileLockEntry<'a>, StoreError> {
use libimagstore::storeid::build_entry_path;
build_entry_path(rt.store(), name)
.and_then(|path| rt.store().retrieve(path))
}
fn handle_external_linking(rt: &Runtime) {
let scmd = rt.cli().subcommand_matches("external").unwrap();
let entry_name = scmd.value_of("id").unwrap(); // enforced by clap
let entry = get_entry_by_name(rt, entry_name);
if entry.is_err() {
trace_error_exit(&entry.unwrap_err(), 1);
}
let mut entry = entry.unwrap();
if scmd.is_present("add") {
debug!("Adding link to entry!");
add_link_to_entry(rt.store(), scmd, &mut entry);
return;
}
if scmd.is_present("remove") {
debug!("Removing link from entry!");
remove_link_from_entry(rt.store(), scmd, &mut entry);
return;
}
if scmd.is_present("set") {
debug!("Setting links in entry!");
set_links_for_entry(rt.store(), scmd, &mut entry);
return;
}
if scmd.is_present("list") {
debug!("Listing links in entry!");
list_links_for_entry(rt.store(), &mut entry);
return;
}
panic!("Clap failed to enforce one of 'add', 'remove', 'set' or 'list'");
}
fn add_link_to_entry(store: &Store, matches: &ArgMatches, entry: &mut FileLockEntry) {
let link = matches.value_of("add").unwrap();
let link = Url::parse(link);
if link.is_err() {
debug!("URL parsing error...");
trace_error_exit(&link.unwrap_err(), 1);
}
let link = link.unwrap();
if let Err(e) = entry.add_external_link(store, link) {
debug!("Error while adding external link...");
trace_error(&e);
} else {
debug!("Everything worked well");
info!("Ok");
}
}
fn remove_link_from_entry(store: &Store, matches: &ArgMatches, entry: &mut FileLockEntry) {
let link = matches.value_of("remove").unwrap();
let link = Url::parse(link);
if link.is_err() {
trace_error_exit(&link.unwrap_err(), 1);
}
let link = link.unwrap();
if let Err(e) = entry.remove_external_link(store, link) {
trace_error(&e);
} else {
info!("Ok");
}
}
fn set_links_for_entry(store: &Store, matches: &ArgMatches, entry: &mut FileLockEntry) {
let links = matches
.value_of("links")
.map(String::from)
.unwrap()
.split(',')
.map(|uri| {
match Url::parse(uri) {
Err(e) => {
warn!("Could not parse '{}' as URL, ignoring", uri);
trace_error(&e);
None
},
Ok(u) => Some(u),
}
})
.filter_map(|x| x)
.collect();
if let Err(e) = entry.set_external_links(store, links) {
trace_error(&e);
} else {
info!("Ok");
}
}
fn list_links_for_entry(store: &Store, entry: &mut FileLockEntry) {
let res = entry.get_external_links(store)
.and_then(|links| {
for (i, link) in links.iter().enumerate() {
println!("{: <3}: {}", i, link);
}
Ok(())
});
match res {
Err(e) => {
trace_error(&e);
},
Ok(_) => {
info!("Ok");
},
}
}