From 60d6583472cedd227eb813da8a16862471b2ed21 Mon Sep 17 00:00:00 2001
From: Jan Andrle <andrle.jan@centrum.cz>
Date: Wed, 27 Mar 2024 18:44:03 +0100
Subject: [PATCH] =?UTF-8?q?:zap:=20gcalendar/`=C2=A7time.mjs`/`shift-enter?=
 =?UTF-8?q?`=3Dhistory-and-alias-expand-line?=
MIME-Version: 1.0
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Content-Transfer-Encoding: 8bit

---
 .bash/.bash_aliases |  3 ++
 .inputrc            |  2 +-
 bin/§time.mjs       | 80 +++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 84 insertions(+), 1 deletion(-)
 create mode 100755 bin/§time.mjs

diff --git a/.bash/.bash_aliases b/.bash/.bash_aliases
index ab61c13..cd75416 100644
--- a/.bash/.bash_aliases
+++ b/.bash/.bash_aliases
@@ -54,6 +54,9 @@ alias m='cd.'
 alias cd-vifm='cd `vifm --choose-dir -`'
 mkcd(){ mkdir -p -- "$1" && cd -P -- "$1"; }
 
+alias gcalendar-dovolené='gcalendar --account "práce" --calendar "Dovolené"'
+alias gcalendar-události='gcalendar --account "default" --calendar "Události"'
+
 alias §find.='find . -maxdepth 1'
 
 alias pdftk='java -jar $HOME/bin/pdftk-all.jar'
diff --git a/.inputrc b/.inputrc
index 1335016..03a4a45 100644
--- a/.inputrc
+++ b/.inputrc
@@ -17,7 +17,7 @@ set menu-complete-display-prefix on
 "\e[A":history-search-backward
 "\e[B":history-search-forward
 
-"\e\C-e": history-and-alias-expand-line
+"OM": history-and-alias-expand-line
 
 set colored-stats On
 
diff --git a/bin/§time.mjs b/bin/§time.mjs
new file mode 100755
index 0000000..a9d558b
--- /dev/null
+++ b/bin/§time.mjs
@@ -0,0 +1,80 @@
+#!/usr/bin/env nodejsscript
+/* jshint esversion: 11,-W097, -W040, module: true, node: true, expr: true, undef: true *//* global echo, $, pipe, s, fetch, cyclicLoop */
+const units= {
+	second: 1000,
+	get minute(){ return this.second*60; },
+	get hour(){ return this.minute*60; },
+	get day(){ return this.hour*24; },
+	get month(){ return this.day*30; },
+	get year(){ return this.day*365; }
+};
+
+$.api()
+.version("2024-03-27")
+.command("diff <time>", [
+	"Returns remaining time diff <time>.",
+	"The <time> is argument to bash `date -d <time> +%s`."
+])
+.alias("?")
+.option("--unit", "Unit, use one of the: "+Object.keys(units).join(", "))
+.action(diff)
+.command("zone [time]", "Returns times in different time zones.")
+.option("-z", "Use multiple times to see time in different time zones.")
+.action(zone)
+.parse();
+
+function diff(given, { unit }){
+	const date_now= new Date();
+	const date_given= new Date(s.$().run`date -d ${given} +%Y-%m-%dT%H:%M:%S%z`.trim());
+	if(date_given.toLocaleString() === "Invalid Date")
+		return $.exit(1, echo(date_given));
+
+	const rtf= new Intl.RelativeTimeFormat();
+	let future= 1;
+	let diff= date_given - date_now;
+	if(diff < 0){
+		future= -1;
+		diff= -diff;
+	}
+	if(unit){
+		if(unit.endsWith("s")) unit= unit.slice(0, -1);
+		echo(rtf.format(future*Math.floor(diff/units[unit]), unit));
+		$.exit(0);
+	}
+	diff= echoUnit(future, diff, "year", rtf);
+	diff= echoUnit(future, diff, "month", rtf);
+	diff= echoUnit(future, diff, "day", rtf);
+	diff= echoUnit(future, diff, "hour", rtf);
+	diff= echoUnit(future, diff, "minute", rtf);
+	diff= echoUnit(future, diff, "second", rtf);
+	$.exit(0);
+}
+function zone(time, { z: zones }){
+	if(!Array.isArray(zones)) zones= zones ? [ zones ] : [];
+	if(!zones.length)
+		return $.error("Please specify at least one zone.");
+	
+	const date_given= time ? new Date(s.$().run`date -d ${time} +%Y-%m-%dT%H:%M:%S%z`.trim()) : new Date();
+	if(date_given.toLocaleString() === "Invalid Date")
+		return $.error(date_given);
+	
+	const max_length= Math.max(...zones.map(zone=> zone.length));
+	const dtf= timeZone=> new Intl.DateTimeFormat(undefined, { timeZone, dateStyle: "full", timeStyle: "long", hour12: false });
+	for(const zone of zones)
+		echo(zone.padStart(max_length, " "), "—", dtf(zone).format(date_given));
+
+	$.exit(0);
+}
+
+/**
+ * @param {1|-1} future
+ * @param {number} num
+ * @param {'year'|'month'|'day'|'hour'|'minute'|'second'} unit
+ * @param {string} rtf
+ * */
+function echoUnit(future, num, unit, rtf){
+	if(num <= units[unit]) return num;
+	
+	echo(rtf.format(future*Math.floor(num/units[unit]), unit));
+	return num%units[unit];
+}