iOS widget that can be used with Scriptable (https://scriptable.app/)

slack_stalker.js

// Variables used by Scriptable.
// These must be at the very top of the file. Do not edit.
// icon-color: yellow; icon-glyph: fire;
const goupdate = true;
const $ = new importModule("Env");
console.log("Import success!")


async function getJson(userid) {
	/*
	Gets a json object as the response of an http request.
	If passed in userid, invoke users.getPresence.
	Otherwise, invoke users.list.
	*/
	// get a user token from https://api.slack.com/methods/oauth.token
	var token = "REPLACE_ME_WITH_USER_TOKEN_STRING_THAT_STARTS_WITH_xoxp";
	const temp_url = (userid != null) ? 
		("https://slack.com/api/users.getPresence?token="+token+"&user="+userid+"&pretty=1"):
		("https://slack.com/api/users.list?token="+token+"&pretty=1");

	const request = {
		url: temp_url,
	};

	const res = await $.get(request);
	return res;
}


async function getStatus() {
	/*
	Invoke getJson() and transform into dict {name: presence} for widget display.
	The usernames of the members followed need to be edited in the variable following.
	*/

	// transform json into dict {id: name}
	var id_dict = {};
	const people = await getJson();
	const members = people["members"];

	for (var i in members) {
		var id = members[i]["id"];
		var name = ("real_name" in members[i]) ? 
			(members[i]["real_name"]):
			(members[i]["name"]);
		id_dict[id] = name;
	}

	// transform dict {id: name} into {name: presence}
	var isActive = {};
	following = ["REPLACE_ME_WITH_USERNAME", "REPLACE_ME_WITH_USERNAME", "REPLACE_ME_WITH_USERNAME", "REPLACE_ME_WITH_USERNAME"];

	for (var id in id_dict) {
		var name = id_dict[id];
		if (following.indexOf(name) >= 0) {
			const status = await getJson(id);
			var stat = status["presence"];
			isActive[name] = stat;
		}
	}
	return isActive;
}


function createWidget(res) {
	/*
	Create a widget in scriptable.
	*/
	const w = new ListWidget();
	const bgColor = new LinearGradient();
	bgColor.colors = [new Color("#1c1c1c"), new Color("#29323c")];
	bgColor.locations = [0.0, 1.0];
	w.backgroundGradient = bgColor;
	w.addSpacer();
	w.spacing = 5;

	var now = new Date();
	var hours = (now.getHours()<10?'0':'') + now.getHours();
	var minutes = (now.getMinutes()<10?'0':'') + now.getMinutes();
	var time = "Last updated: " + hours + ":" + minutes;
	const time_line = w.addText(time);
	time_line.font = new Font('SF Compact', 11);
	time_line.textColor = Color.white();
	time_line.textOpacity = 1.0;

	for (var name in res) {
		var presence = res[name];
		var emoji = (presence == "active") ? ("✅") : ("❌")
		const line = w.addText(name.concat(": ").concat(emoji));
		line.font = new Font('SF Compact', 11);
		line.textColor = Color.white();
		line.textOpacity = 1.0;
	}

	w.addSpacer();
	w.spacing = 5;
	w.presentSmall();

	return w;
}


const res = await getStatus();

let widget = createWidget(res);
Script.setWidget(widget);
Script.complete();