piston/api/src/ppman/routes.js

69 lines
2.1 KiB
JavaScript

const logger = require('logplease').create('ppman/routes');
const semver = require('semver');
const fetch = require('node-fetch');
const config = require('../config');
const { Package } = require('./package');
async function get_package_list(){
const repo_content = await fetch(config.repo_url).then(x=>x.text());
const entries = repo_content.split('\n').filter(x=>x.length > 0);
return entries.map(line => {
const [language, version, checksum, download] = line.split(',',4);
return new Package({language, version, checksum, download});
})
}
async function get_package(lang, version){
const packages = await get_package_list();
const candidates = packages.filter(
pkg => pkg.language == lang && semver.satisfies(pkg.version, version)
);
return candidates.sort((a,b)=>semver.rcompare(a.version,b.version))[0] || null;
}
module.exports = {
async package_list(req, res){
// GET /packages
logger.debug('Request to list packages');
const packages = await get_package_list();
res.json_success({
packages: packages.map(pkg=>({
language: pkg.language,
language_version: pkg.version.raw,
installed: pkg.installed
}))
});
},
async package_install(req,res){
// POST /packages/:language/:version
logger.debug('Request to install package');
const pkg = await get_package(req.params.language, req.params.version);
if(pkg == null) return res.json_error(`Requested package ${req.params.language}-${req.params.version} does not exist`, 404);
try{
const response = await pkg.install();
return res.json_success(response);
}catch(err){
logger.error(`Error while installing package ${pkg.language}-${pkg.version}:`, err.message);
res.json_error(err.message,500);
}
},
async package_uninstall(req,res){
// DELETE /packages/:language/:version
//res.json(req.body); //TODO
res.json_error('not implemented', 500);
}
};