getspot.sh Spot/SpotX/Etc console tracker

#!/bin/bash
#---------------------------------------------------#
# getspot.sh                                        #
# Phillip J Rhoades                                 #
# 2023-01-26                                        #
#---------------------------------------------------#
# Requires curl and jq                              #
#---------------------------------------------------#
# This script will check a public SPot XML/JSON     #
# feed every XXX number of seconds. If there is     #
# a new message (Tracking/Custom/OK), it will       #
# will print out the message, coordinates, and      #
# a link to a google map of the message location.   #
# Monitor a Spot device from the console!           #
#---------------------------------------------------#


#----------------------------------------------
# Make ctrl-c exit nicer
#----------------------------------------------
trap "echo Exited!; exit;" SIGINT SIGTERM

#----------------------------------------------
# Sleep between refreshes at least 150 seconds
# or Spot will ban your IP and shut down your
# xml/json feed. You can make it refresh less
# often just fine though.
#----------------------------------------------

refreshTime=150

#----------------------------------------------
# You'll need to create an XML/JSON feed
# on the spot website using your account
# https://www.findmespot.com/en-us/support/spot-x/get-help/general/spot-api-support
#----------------------------------------------
#
# Then put your feedID here
#----------------------------------------------

feedID="YOUR-SPOT-feedID-GOES-HERE"

#----------------------------------------------#
# The work begins here.                        #
#----------------------------------------------#

while :
do
    #----------------------------------------------
    # Save the previous message ID
    # and don't refresh display if there
    # is no new message.
    prevID=$id

    #----------------------------------------------
    # For testing use a downloaded file
    # so you don't flood the feed with requests
    #data="`cat spottest.json |jq -r .response.feedMessageResponse.messages.message`"
    #----------------------------------------------

    #----------------------------------------------
    #For real use this link
    data="`curl -s https://api.findmespot.com/spot-main-web/consumer/rest-api/2.0/public/feed/$feedID/latest.json |jq -r .response.feedMessageResponse.messages.message`"
    #----------------------------------------------

    if  [ -z "$data" ]; then
        echo "Could Not Connect To Spot Server"
    else
        latitude=`echo $data|jq -r .latitude`
        longitude=`echo $data|jq -r .longitude`
        dateTime=$(date -d `echo $data|jq -r .dateTime`)
        messengerName=`echo $data|jq -r .messengerName`
        messageType=`echo $data|jq -r .messageType`
        messageContent=`echo $data|jq -r .messageContent`
        batteryState=`echo $data|jq -r .batteryState`
        unixTime=`echo $data|jq -r .unixTime`
        messengerId=`echo $data|jq -r .messengerId`
        id=`echo $data|jq -r .id`
    fi

    if  [[ "$prevID" == "$id" ]]; then
        # Message has not updated so wait
        # and try again on next cycle
        true
    else
        echo "-------------------------------"
        echo "Message Type: $messageType"
        echo "Date/Time: $dateTime"
        echo "From: $messengerName"
        echo "Battery: $batteryState"
        if  [[ "$messageType" != "TRACK" ]]; then
            echo "Message:"
            echo "****************"
            echo "$messageContent"
            echo "****************"
        fi
        echo "Coordinates: $latitude,$longitude"
        # Most xterminals let you right click and open links
        # so this should work that way for opening a google map
        # of the checked-in location.
        echo "Map: http://maps.google.com/maps?q=$latitude,$longitude+(SPOT)&z=14&ll=$latitude,$longitude"
    fi

    #----------------------------------------------
    # Waiting the number of seconds
    # before trying the feed again.
    #----------------------------------------------
    # Reset thesleep to refreshTime every cycle
    # for new countdown.

    thesleep=$refreshTime

    #----------------------------------------------
    # There's a progress spinner here
    # for friendly UI purposes.
    # The four .25 seconds equal one second
    # per "turn" of the spinner.
    #----------------------------------------------
    while [ $thesleep -gt 0 ]
    do
        echo -n "| Updating in $thesleep seconds"
        sleep .25
        echo -n -e "\033[2K\r"
        echo -n "/ Updating in $thesleep seconds"
        sleep .25
        echo -n -e "\033[2K\r"
        echo -n "— Updating in $thesleep seconds"
        sleep .25
        echo -n -e "\033[2K\r"
        echo -n "\\ Updating in $thesleep seconds"
        sleep .25
        echo -n -e "\033[2K\r"
        thesleep=$(($thesleep - 1))
    done
done