All of the changes that have been sitting on tildepi for ages. For posterity.

git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@3530 ed5197a5-7fde-0310-b194-c3ffbd925b24

packages/cory/tmirce/tmirce.js

@@ -0,0 +1,187 @@
+"use strict";
+
+//! {"permissions": ["network"], "require": ["libencoding", "libhttp"]}
+
+let libhttp = require("libhttp");
+
+async function getEvents() {
+	let now = new Date();
+	let cacheVersion = "1-" + now.toDateString();
+	if (await database.get("cacheVersion") != cacheVersion) {
+		terminal.print("Refreshing database...");
+		let keys = await database.getAll();
+		await Promise.all(keys.map(x => database.remove(x)));
+		await database.set("cacheVersion", cacheVersion);
+	}
+	let events = [];
+	let url = "https://api.meetup.com/The-Most-Informal-Running-Club-Ever-TMIRCE-Upstate/events?&sign=true&photo-host=public&status=past";
+	let done = false;
+	while (!done) {
+		let response;
+		response = await database.get(url);
+		if (response) {
+			response = JSON.parse(response);
+		}
+		if (!response) {
+			response = await libhttp.get(url);
+			await database.set(url, JSON.stringify(response));
+		}
+		let nextLink;
+		let theseEvents = JSON.parse(response.body);
+		for (let j in theseEvents) {
+			if (new Date(theseEvents[j].time) < now) {
+				events.push(theseEvents[j]);
+			} else {
+				done = true;
+				break;
+			}
+		}
+		for (let j in response.headerArray) {
+			let link = response.headerArray[j];
+			if (link[0] == "Link" && link[1].split("; ")[1] == 'rel="next"') {
+				link = link[1].split("; ")[0];
+				link = link.substring(1, link.length - 1);
+				nextLink = link;
+			}
+		}
+		if (nextLink) {
+			url = nextLink;
+		} else {
+			break;
+		}
+	}
+	return events;
+}
+
+async function trackWorkouts(events) {
+	let results = [];
+	for (let i in events) {
+		let event = events[i];
+		if (event && event.venue && event.venue.name
+			&& new Date(event.time).getDay() == 1) {
+			let match = /follow (?:my|our) (.*?) workout/.exec(event.description);
+			let workout;
+			if (match) {
+				workout = match[1];
+			} else if (/snowshoe/.exec(event.description)
+				|| /No run/.exec(event.description)) {
+				// nothing
+			} else {
+				results.push(event.description);
+			}
+			if (workout) {
+				results.push(workout);
+			}
+		}
+	}
+	return results;
+}
+
+async function locationByDay(day, events) {
+	let results = [];
+	for (let i in events) {
+		let event = events[i];
+		if (event && event.venue && event.venue.name
+			&& new Date(event.time).getDay() == day) {
+			results.push(event.venue.name);
+		}
+	}
+	return results;
+}
+
+async function redisplay(action, filter, actions, filters, events) {
+	//terminal.cork();
+	terminal.clear();
+	if (actions[action]) {
+		terminal.setHash(action);
+		terminal.print({style: "font-size: xx-large", value: action});
+	}
+	terminal.print("What:");
+	for (let i in actions) {
+		terminal.print(action == i ? "-> " : " * ", {command: i});
+	}
+	terminal.print("How:");
+	for (let i in filters) {
+		terminal.print(filter == i ? "-> " : " * ", {command: i});
+	}
+	terminal.print("--");
+	if (actions[action]) {
+		filters[filter](await actions[action](events));
+	}
+	//terminal.uncork();
+}
+
+function rawFilter(items) {
+	for (let i in items) {
+		terminal.print(items[i]);
+	}
+}
+
+function histogramFilter(items) {
+	let table = {};
+	for (let i in items) {
+		if (!table[items[i]]) {
+			table[items[i]] = 0;
+		}
+		table[items[i]] += 1;
+	}
+
+	let results = [];
+	for (let i in table) {
+		results.push([table[i], i]);
+	}
+	results.sort((x, y) => y[0] - x[0]);
+
+	for (let i in results) {
+		terminal.print(results[i][0].toString(), " ", results[i][1]);
+	}
+}
+
+async function main() {
+	terminal.print("loading events...");
+	let events = await getEvents();
+	terminal.print("loaded ", events.length.toString(), " events");
+
+	let actions = {
+		"Sunday Locations": locationByDay.bind(null, 0),
+		"Monday Track Workouts": trackWorkouts,
+		"Tuesday Locations": locationByDay.bind(null, 2),
+		"Wednesday Locations": locationByDay.bind(null, 3),
+		"Thursday Locations": locationByDay.bind(null, 4),
+		"Friday Locations": locationByDay.bind(null, 5),
+		"Saturday Locations": locationByDay.bind(null, 6),
+	}
+
+	let filters = {
+		"Chronological": rawFilter,
+		"Histogram": histogramFilter,
+	};
+
+	let action = null;
+	let filter = "Chronological";
+
+	core.register("hashChange", function(event) {
+		if (event.hash && event.hash[0] == '#') {
+			terminal.clear();
+			let hash = event.hash.substring(1);
+			if (filters[hash]) {
+				filter = hash;
+			} else if (actions[hash]) {
+				action = hash;
+			}
+			redisplay(action, filter, actions, filters, events);
+		}
+	});
+
+	while (true) {
+		redisplay(action, filter, actions, filters, events);
+		let command = await terminal.readLine();
+		if (filters[command]) {
+			filter = command;
+		} else if (actions[command]) {
+			action = command;
+		}
+	}
+}
+
+main().catch(terminal.print);