git-gemini-forge 0.6.2

use super::converters::{GitLabProjectItem, GitLabProjectItemWithUrl};
use super::get_repo::ProjectEndpoint;
use super::GitLabApi;
use crate::handlers::templates::PercentEncoded;
use crate::network::error;
use crate::network::net::{ApiEndpoint, Net};
use crate::network::ForgeApi;
use url::Url;

/// See https://docs.gitlab.com/ee/api/repositories.html#list-repository-tree
struct TreeEndpoint<'a> {
	api: &'a GitLabApi,
	base_url: Url,
	project_id: &'a PercentEncoded,
}

impl ApiEndpoint<GitLabApi, Vec<GitLabProjectItem>> for TreeEndpoint<'_> {
	fn api(&self) -> &GitLabApi {
		self.api
	}

	fn url(&self) -> Url {
		let project_id = &self.project_id;
		self.base_url
			.join(&format!(
				"projects/{}/repository/tree",
				project_id.uri_component()
			))
			.expect("Valid URL path")
	}
}

/// Retrieves a list of files at the top-level of the given repository from the given API.
pub fn get_file_tree(
	api: &GitLabApi,
	net: &Net,
	project_id: &PercentEncoded,
) -> Result<Vec<GitLabProjectItemWithUrl>, error::Error> {
	let base_url = api.base_url().clone();
	let tree = TreeEndpoint {
		api,
		base_url: base_url.clone(),
		project_id,
	};
	let repo = ProjectEndpoint {
		api,
		base_url,
		project_id,
	};

	// Get the repo's HTML URL and construct the file or directory's URL from that
	let html_url = {
		let project = net.call(&repo)?;
		project.web_url
	};

	let mut contents = net.call(&tree)?;
	contents.sort();
	return Ok(contents
		.iter()
		.cloned()
		.map(|i| i.with_html_url(html_url.clone()))
		.collect());
}