wagon/back/lib/http_res

#!/bin/bash
# FILE:       	wgapi:back/lib/http/res
# DESCRIPTION:	Formats an http response from arguments
# USAGE:      	[printf "message" |] res [200] [text/plain]

# Accept stdin as body
body="$(cat)"

# Parse status
status=''
case "${1}" in
	''|'0'|'200') status='Status: 200 OK\n';;
	'201') status='Status: 201 Created\n';;
	'202') status='Status: 202 Accepted\n';;
	'400') status='Status: 400 Bad Request\n';;
	'409') status='Status: 409 Conflict\n';;
	'500') status='Status: 500 Internal Server Error\n';;
	*) exit 3;;
esac

# Parse content-type
content_type=''
if [ "${2}" == '' ] && [ "${body}" == '' ]
	then content_type=''
elif [ "${2}" == '' ]
	then content_type='Content-type: text/plain\n'
	else content_type="Content-type: ${2}\n"
fi

# Send response
# Ignore shellcheck trying to get you to put this in multiple args
# It'll return literal \n instead of newlines
printf "${status}${content_type}Date: $(date)\n\n${body}\n"