tildefriends/packages/cory/index/index.js

"use strict";

//! {"description": "A list of all packages and connected users"}

core.register("onSessionBegin", index);
core.register("onSessionEnd", index);

function index() {
	return Promise.all([core.getPackages(), core.getUsers()]).then(function(values) {
		let packages = values[0];
		let users = values[1];
		let usersByApp = {};
		let servicesByApp = {};
		for (let i in users) {
			let user = users[i];
			let key = "/~" + user.packageOwner + "/" + user.packageName;
			if (user.key.substring(0, "service_".length) == "service_") {
				if (!servicesByApp[key]) {
					servicesByApp[key] = [];
				}
				servicesByApp[key].push(user);
			} else {
				if (!usersByApp[key]) {
					usersByApp[key] = [];
				}
				usersByApp[key].push(user.name);
			}
		}

		terminal.cork();
		terminal.clear();
		terminal.print("Available applications [active users]:");
		packages.sort(function(x, y) {
			return Math.sign(x.owner.localeCompare(y.owner)) * 10 + Math.sign(x.name.localeCompare(y.name)) * 1;
		}).forEach(function(app) {
			let users = usersByApp["/~" + app.owner + "/" + app.name];
			let services = servicesByApp["/~" + app.owner + "/" + app.name];
			let message = [];
			if (users || services) {
				message.push(" [");
				if (users) {
					let counts = {};
					for (let i = 0; i < users.length; i++) {
						counts[users[i]] = (counts[users[i]] || 0) + 1;
					}
					let names = Object.keys(counts).sort();
					for (let i = 0; i < names.length; i++) {
						var name = names[i];
						if (message.length > 1) {
							message.push(", ");
						}
						message.push({class: "orange", value: name});
						if (counts[name] > 1) {
							message.push({class: "base01", value: "(x" + counts[name] + ")"});
						}
					}
				}
				if (services) {
					if (users) {
						message.push(", ");
					}
					message.push("⚒".repeat(services.length));
				}
				message.push("]");
			}
			terminal.print(
				"* ",
				{href: "/~" + app.owner + "/" + app.name},
				message,
				app.manifest && app.manifest.description ? " - " + app.manifest.description.toString() : "");
		});
		terminal.uncork();
	});
}

index().catch(function(error) {
	terminal.print("ERROR:", error);
});