episko_cli 1.3.1

Cli for the episko project
Documentation 
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//! # Validating and caching of a manifest
//!
//! This module contains the code for the validation and caching of a manifest and is directly used by the the validate and cache command.

use camino::Utf8PathBuf;
use color_eyre::Result;
use episko_lib::{config::config_handler::ConfigHandler, files::File, metadata::Metadata};

use crate::connect_to_db;

/// Validates a manifest file and further more validates the cache if
/// possible.
///
/// # Errors
/// - [`color_eyre::Report`] when [`Metadata::validate_file`] fails
pub async fn validate_manifest(
    file: &Utf8PathBuf,
    config_handler: &mut ConfigHandler,
) -> Result<()> {
    Metadata::validate_file(file.as_std_path())?;

    cache_manifest(file, config_handler).await?;
    Ok(())
}

/// Caches a manifest file to the Database/Cache
///
/// Currently calls [`Metadata::update_in_db`], but this fails when the
/// metadata isn't cached in the first place.
///
/// # Errors
/// - Error report when [`Metadata::update_in_db`] fails.
pub async fn cache_manifest(file: &Utf8PathBuf, config_handler: &mut ConfigHandler) -> Result<()> {
    let db = connect_to_db(config_handler.config()).await?;

    let metadata = Metadata::from_file(file.as_std_path())?;

    if metadata.is_cached(&db).await? {
        metadata.update_in_db(&db).await?;
    } else {
        metadata.write_to_db(&db).await?;
    }

    // Reloading the config_handler / config isn't very pretty,
    // however I think it still that it's the simplest way to do this.
    config_handler.add_saved_file(metadata.directory());
    config_handler.save_config()?;

    Ok(())
}