mercur 0.1.4

mercur - junolang package manager
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use serde::{Deserialize, Serialize};
use std::{io::Read, path::Path};
use tokio::{fs::File, io::AsyncReadExt};

//
// authority.toml
//

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct AuthorityDefinition {
    pub schema: u32,
    pub metadata: AuthorityMetadata,
    #[serde(rename = "registry")]
    pub registries: Vec<RegistryDefinition>,
    pub(crate) id: Option<String>,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct AuthorityMetadata {
    pub id: String,
    pub name: String,

    pub owners: Vec<String>,

    pub homepage: String,
    pub description: String,

    pub signing_keys: Vec<String>,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct RegistryDefinition {
    #[serde(rename = "type")]
    pub registry_type: String,

    #[serde(rename = "ref")]
    pub reference: String,

    pub namespace: String,

    #[serde(default)]
    pub history: Vec<RegistryHistoryDefinition>,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct RegistryHistoryDefinition {
    #[serde(rename = "type")]
    pub registry_type: String,

    #[serde(rename = "ref")]
    pub reference: String,

    pub deprecated: bool,

    pub until: String,
}

fn parse_authority_toml(input: &str) -> anyhow::Result<AuthorityDefinition> {
    toml::from_str::<AuthorityDefinition>(input).map_err(Into::into)
}

pub async fn parse_authority_toml_files(
    files: Vec<&Path>,
) -> anyhow::Result<Vec<AuthorityDefinition>> {
    let mut r: Vec<AuthorityDefinition> = vec![];
    for f in files {
        let buf: &mut String = &mut String::new();
        File::open(f).await?.read_to_string(buf).await?;
        r.push(parse_authority_toml(buf.as_str())?);
    }
    Ok(r)
}