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// Copyright © 2018 Teddy Wing
//
// This file is part of Meetup Find Events RSS.
//
// Meetup Find Events RSS is free software: you can redistribute it
// and/or modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation, either version 3 of
// the License, or (at your option) any later version.
//
// Meetup Find Events RSS 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
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Meetup Find Events RSS. If not, see
// <http://www.gnu.org/licenses/>.
#[macro_use]
extern crate error_chain;
extern crate getopts;
extern crate meetup_find_events_rss;
use getopts::Options;
use std::env;
use std::process::exit;
use meetup_find_events_rss::build_rss;
mod errors {
error_chain! {}
}
use errors::*;
fn main() {
if let Err(ref e) = run() {
use error_chain::ChainedError;
eprintln!("{}", e.display_chain());
exit(1);
}
}
fn print_usage(opts: Options) {
let brief = "usage: meetup-find-events-rss";
print!("{}", opts.usage(&brief));
}
fn run() -> Result<()> {
let args: Vec<String> = env::args().collect();
let mut opts = Options::new();
opts.reqopt(
"",
"meetup-api-token",
"Meetup.com API token (required)",
"TOKEN"
);
opts.reqopt(
"",
"latitude",
"Origin latitude (required)",
"LATITUDE",
);
opts.reqopt(
"",
"longitude",
"Origin longitude (required)",
"LONGITUDE",
);
opts.reqopt(
"",
"end-date",
"Search for events from now until DATE (e.g. \"2018-01-31\") (required)",
"DATE",
);
opts.optflag("h", "help", "print this help menu");
let opt_matches = match opts.parse(&args[1..]) {
Ok(m) => m,
Err(f) => {
if args.contains(&"-h".to_owned()) ||
args.contains(&"--help".to_owned()) {
print_usage(opts);
return Ok(());
}
eprintln!("meetup-find-events-rss: error: {}", f.to_string());
exit(1);
},
};
if opt_matches.opt_present("h") {
print_usage(opts);
return Ok(());
}
let meetup_token = opt_matches.opt_str("meetup-api-token").unwrap();
let latitude = opt_matches.opt_str("latitude").unwrap();
let longitude = opt_matches.opt_str("longitude").unwrap();
let end_date = opt_matches.opt_str("end-date").unwrap();
build_rss::write_feed(
meetup_token,
latitude,
longitude,
end_date,
None,
None,
).chain_err(|| "could not write RSS feed.")?;
Ok(())
}
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