ockam_command 0.104.0

End-to-end encryption and mutual authentication for distributed applications.
Documentation 
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use crate::node::{get_default_node_name, get_node_name};
use crate::util::local_cmd;
use crate::{docs, fmt_ok, CommandGlobalOpts};

use clap::Args;
use colorful::Colorful;
use miette::miette;
use ockam_api::cli_state::StateDirTrait;

const LONG_ABOUT: &str = include_str!("./static/default/long_about.txt");
const AFTER_LONG_HELP: &str = include_str!("./static/default/after_long_help.txt");

/// Change the default node
#[derive(Clone, Debug, Args)]
#[command(
    long_about = docs::about(LONG_ABOUT),
    after_long_help = docs::after_help(AFTER_LONG_HELP)
)]
pub struct DefaultCommand {
    /// Name of the node to set as default
    node_name: Option<String>,
}

impl DefaultCommand {
    pub fn run(self, opts: CommandGlobalOpts) {
        local_cmd(run_impl(opts, self));
    }
}

fn run_impl(opts: CommandGlobalOpts, cmd: DefaultCommand) -> miette::Result<()> {
    if let Some(node_name) = cmd.node_name {
        let name = get_node_name(&opts.state, &Some(node_name.clone()));
        if opts.state.nodes.is_default(&name)? {
            return Err(miette!("The node '{name}' is already the default"));
        } else {
            opts.state.nodes.set_default(&name)?;
            opts.terminal
                .stdout()
                .plain(fmt_ok!("The node '{name}' is now the default"))
                .machine(&name)
                .write_line()?;
        }
    } else {
        let default_node_name = get_default_node_name(&opts.state);
        let _ = opts
            .terminal
            .stdout()
            .plain(fmt_ok!("The default node is '{default_node_name}'"))
            .write_line();
    }
    Ok(())
}