git-gemini-forge 0.5.2

A simple Gemini server that serves a read-only view of public repositories from a Git forge.
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use crate::config::*;
use crate::network;
use windmark::response::Response;

/// Answers with Gemtext that consists of an overview of a repository.
pub fn handler(
	cfg: &Config,
	username: &str,
	repo_name: &str,
) -> Result<Response, network::error::Error> {
	let repo = &cfg.forge_api().get_repo(username, repo_name)?;
	let kind = cfg.forge_kind.to_string();
	let repo_http_url = &repo.html_url.0;
	let repo_http = format!("\n\n=> {repo_http_url} View on {kind}");

	// List branches
	let branches = &cfg.forge_api().get_branches(username, repo_name)?;

	// Transform repos into Gemtext internal page links
	let branches_list: Vec<String> = branches
		.iter()
		.map(|b| super::templates::branch_link(&repo, &b))
		.collect();

	// Format repos into a Gemtext list
	let gemtext_branches_list: String = branches_list
		.iter()
		.map(|b: &String| format!("{b}\n"))
		.collect::<Vec<String>>()
		.concat();

	// List file tree
	let contents = &cfg.forge_api().get_file_tree(username, repo_name)?;

	// Transform contents into Gemtext internal page links
	let contents_list: Vec<String> = contents
		.iter()
		.map(|f| super::templates::file_link(&repo, None, &f))
		.collect();

	// Format contents into a Gemtext list
	let gemtext_tree_list: String = contents_list
		.iter()
		.map(|f| format!("{f}\n"))
		.collect::<Vec<String>>()
		.concat();

	// TODO: Render README.gem if exists

	let gemtext: String = format!("## {username}/{repo_name}\n=> /{username} {username}\n### Branches\n{gemtext_branches_list}\n### Tree\n{gemtext_tree_list}{repo_http}");

	return Ok(Response::success(gemtext));
}