bc-envelope-cli 0.35.0

Gordian Envelope Command Line Tool.
Documentation 
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use anyhow::Result;
use bc_envelope::prelude::*;
use clap::Args;

use crate::{
    DataType, EnvelopeArgs, EnvelopeArgsLike, SubjectArgs, SubjectArgsLike,
    parse_data_type_to_envelope,
};

/// Find all assertions having the given object.
#[derive(Debug, Args)]
#[group(skip)]
pub struct CommandArgs {
    #[command(flatten)]
    subject_args: SubjectArgs,

    #[command(flatten)]
    envelope_args: EnvelopeArgs,
}

impl SubjectArgsLike for CommandArgs {
    fn subject_type(&self) -> DataType { self.subject_args.subject_type() }

    fn subject_value(&self) -> Option<&str> {
        self.subject_args.subject_value()
    }

    fn ur_tag(&self) -> Option<u64> { self.subject_args.ur_tag() }
}

impl EnvelopeArgsLike for CommandArgs {
    fn envelope(&self) -> Option<&str> { self.envelope_args.envelope() }
}

impl crate::Exec for CommandArgs {
    fn exec(&self) -> Result<String> {
        let envelope = self.read_envelope()?;
        let object = parse_data_type_to_envelope(
            self.subject_type(),
            self.subject_value(),
            self.ur_tag(),
        )?;
        let assertions = envelope.clone().assertions();
        let result = assertions
            .iter()
            .filter(|&a| {
                a.as_object()
                    .map(|o| o.digest() == object.digest())
                    .unwrap_or(false)
            })
            .cloned()
            .collect::<Vec<_>>()
            .iter()
            .map(|a| a.ur_string())
            .collect::<Vec<String>>()
            .join("\n");
        Ok(result)
    }
}