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use octocrab::Octocrab;
struct ProgramArguments {
gist_id: String,
star: bool,
}
/// Rudimentary CLI interface. Tries to be nice to the caller without too
/// much bloat on the example.
fn parse_argv_or_exit() -> ProgramArguments {
const USAGE: &str = r#"Usage:
<program> (--star | --unstar) GIST_ID"#;
let star = if let Some(param) = std::env::args().nth(1) {
if param == "--star" {
true
} else if param == "--unstar" {
false
} else {
eprintln!("error: Need (--star | --unstar) as first argument.");
eprintln!("{}", USAGE);
std::process::exit(1);
}
} else {
eprintln!("error: Need (--star | --unstar) as first argument.");
eprintln!("{}", USAGE);
std::process::exit(1);
};
let gist_id = if let Some(gist_id) = std::env::args().nth(2) {
gist_id
} else {
eprintln!("error: Need GIST_ID as second argument.");
eprintln!("{}", USAGE);
std::process::exit(1);
};
ProgramArguments { gist_id, star }
}
/// This example tries to demonstrate interacting with a gists' 'stars'.
/// It does so by making a program that takes two CLI arguments:
///
/// 1) `--star` or `--unstar` to either star/unstar a gist
/// 2) A `GIST_ID` to identify which gist to operate on
///
/// The example will check if a gist is already starred / unstarred, before
/// performing the operation.
#[tokio::main]
async fn main() -> octocrab::Result<()> {
let token = std::env::var("GITHUB_TOKEN").expect("GITHUB_TOKEN env variable is required");
let args = parse_argv_or_exit();
let octocrab = Octocrab::builder().personal_token(token).build()?;
let gists_handler = octocrab.gists();
let is_starred = gists_handler.is_starred(&args.gist_id).await?;
if is_starred && args.star {
println!("{gist_id} is already starred.", gist_id = &args.gist_id);
return Ok(());
}
if !is_starred && !args.star {
println!("{gist_id} is already un-starred.", gist_id = &args.gist_id);
return Ok(());
}
if args.star {
gists_handler.star(&args.gist_id).await?;
println!("Starred {gist_id}.", gist_id = &args.gist_id)
} else {
gists_handler.unstar(&args.gist_id).await?;
println!("Un-starred {gist_id}.", gist_id = &args.gist_id)
}
Ok(())
}
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