#!/bin/bash

# notify latest available NC version

set -e

source /usr/local/etc/library.sh # sets NCLATESTVER

CURRENT="$(nc_version)"
NEXT_VERSION="$(determine_nc_upgrade_version "${CURRENT}" "${NCLATESTVER?}")"
[[ -n "$NEXT_VERSION" ]] || exit 0

NOTIFIED=/var/run/.nc-version-notified

test -e "${NOTIFIED}" && [[ "${NEXT_VERSION}" == "$( cat "${NOTIFIED}" )" ]] && {
  echo "Found update from ${CURRENT} to ${NEXT_VERSION}. Already notified"
  exit 0
}

if is_more_recent_than "${NEXT_VERSION}" "${CURRENT}"; then
  notify_admin \
    "Nextcloud update" \
    "Update from ${CURRENT} to ${NEXT_VERSION} is available. Update from https://$(get_ip):4443"
  echo "${NEXT_VERSION}" > "${NOTIFIED}"
fi