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#!/bin/bash
read input
# read config file
source flightquery.conf
# curl options
OPTS='--silent'
# sadly HTTPS isn't supported on the free plan
baseURL='http://api.aviationstack.com/v1/flights?access_key='$appKey
# get data from API
_curl() {
result=$(curl $OPTS "$URL")
ret=$?
if [ "$ret" -ne 0 ]
then
echo "cURL error $ret when fetching."
exit
fi
}
_jq() {
echo ${json} | base64 --decode | jq -r ${1}
}
_getdata() {
# Take everything after final space as the requested input (be it an IATA airport code or IATA flight number), assuming everything before the last space is a flag
code=$(echo $input | sed 's/.* //')
URL="$baseURL&$queryType=$code"
_curl
}
# TODO: refactor to remove repetitive loops
_airport() {
_getdata
currentTime=$(date --iso-8601=seconds)
# Get arrivals before current time and sort (we reverse so that they're in order of most recent to least recent) and extract only the latest two flights
flightsBefore=$(echo $result | jq --arg currentTime "$currentTime" '.data | map(select(.arrival.scheduled < $currentTime)) | sort_by(.arrival.scheduled)')
flightsBefore=$(echo $flightsBefore | jq '.[-2:]')
# Get arrivals after current time and sort and extract only the following three flights
flightsAfter=$(echo $result | jq --arg currentTime "$currentTime" '.data | map(select(.arrival.scheduled > $currentTime)) | sort_by(.arrival.scheduled)')
flightsAfter=$(echo $flightsAfter | jq '.[:3]')
# Now merge the two objects
flights=$(echo $flightsBefore; echo $flightsAfter | jq -s add)
#flights=$(jq -s . "$flightsBefore" "$flightsAfter")
echo $flights | jq .
exit
for i in {0..4}
do
# Swap between flightsBefore and flightsAfter
if [[ $i > 1 ]] && [[ $swapped != "True" ]]
then
flights=$flightsAfte
swapped="True"
count=0
else
flights=$flightsBefore
fi
# Get origin/destination, airline and IATA flight number
if [[ $direction == "Origin" ]]
then
airport=$(echo $flightsBefore | jq -r --arg count $count '.[$count | tonumber].departure.iata')
else
airport=$(echo $flightsBefore | jq -r --arg count $count '.[$count | tonumber].arrival.iata')
fi
airline=$(echo $flightsBefore | jq -r --arg count $count '.[$count | tonumber].airline.name')
flightIATA=$(echo $flightsBefore | jq -r --arg count $count '.[$count | tonumber].flight.iata')
# Get departure and takeoff times using actual or estimated times where available or falling back to scheduled if not.
if [[ $(echo $flightsBefore | jq -r --arg count $count '.[$count | tonumber].departure.actual') != "null" ]]
then
takeoff=$(echo $flightsBefore | jq -r --arg count $count '.[$count | tonumber].departure.actual')
deptTimeType="ATD"
elif [[ $(echo $flightsBefore | jq -r --arg count $count '.[$count | tonumber].departure.estimated') != "null" ]]
then
takeoff=$(echo $flightsBefore | jq -r --arg count $count '.[$count | tonumber].departure.estimated')
deptTimeType="ETD"
else
takeoff=$(echo $flightsBefore | jq -r --arg count $count '.[$count | tonumber].departure.scheduled')
deptTimeType="STD"
fi
if [[ $(echo $flightsBefore | jq -r --arg count $count '.[$count | tonumber].arrival.actual') != "null" ]]
then
landing=$(echo $flightsBefore | jq -r --arg count $count '.[$count | tonumber].arrival.actual')
arrTimeType="ATA"
elif [[ $(echo $flightsBefore | jq -r --arg count $count '.[$count | tonumber].arrival.estimated') != "null" ]]
then
landing=$(echo $flightsBefore | jq -r --arg count $count '.[$count | tonumber].arrival.estimated')
arrTimeType="ETA"
else
landing=$(echo $flightsBefore | jq -r --arg count $count '.[$count | tonumber].arrival.scheduled')
arrTimeType="STA"
fi
# Append to $output
output="$output $airline, $flightIATA, $direction: $airport, $deptTimeType: $(date -d $takeoff +"%d/%m/%Y %H:%M"), $arrTimeType: $(date -d $landing +"%d/%m/%Y %H:%M") |"
((count=count+1))
done
# remove trailing pipe
output=$(echo $output | sed '$s/|$//')
echo $output
exit
}
_flight() {
_getdata
airline=$(echo $result | jq -r '.data[0].airline.name')
origin=$(echo $result | jq -r '.data[0].departure.iata')
takeoffSched=$(echo $result | jq -r '.data[0].departure.scheduled')
takeoffEst=$(echo $result | jq -r '.data[0].departure.estimated')
takeoffActual=$(echo $result | jq -r '.data[0].departure.actual')
takeoffDelay=$(echo $result | jq -r '.data[0].departure.delay')
destination=$(echo $result | jq -r '.data[0].arrival.iata')
landingSched=$(echo $result | jq -r '.data[0].arrival.scheduled')
landingEst=$(echo $result | jq -r '.data[0].arrival.estimated')
landingActual=$(echo $result | jq -r '.data[0].arrival.actual')
landingDelay=$(echo $result | jq -r '.data[0].arrival.delay')
# Build output string giving actual or estimated times and delays where available.
output="$airline - Origin: $origin "
if [[ "$takeoffActual" != "null" ]]
then
output="$output $(date -d $takeoffActual +"%d/%m/%Y %H:%M")"
elif [[ "$takeoffEst" != "null" ]]
then
output="$output $(date -d $takeoffEst +"%d/%m/%Y %H:%M")"
else
output="$output $(date -d $takeoffSched +"%d/%m/%Y %H:%M")"
fi
if [[ "$takeoffDelay" != "null" ]]
then
output="$output Delay: $takeoffDelay mins"
fi
output="$output Dest: $destination"
if [[ "$landingActual" != "null" ]]
then
output="$output $(date -d $landingActual +"%d/%m/%Y %H:%M")"
elif [[ "$landingEst" != "null" ]]
then
output="$output $(date -d $landingEst +"%d/%m/%Y %H:%M")"
else
output="$output $(date -d $landingSched +"%d/%m/%Y %H:%M")"
fi
if [[ "$landingDelay" != "null" ]]
then
output="$output Delay: $landingDelay mins"
fi
echo $output
}
_help() {
echo "Usage: !flight [option] [flight/airport]. Options: -h help, -d departures [IATA airport code], -a arrivals [IATA airport code], -s source. If no option is set then you must provide an IATA flight number e.g. BA2775."
}
if [[ ${input} == "-h" ]] || [[ ${input} == "--help" ]] || [[ -z $input ]]
then
_help
elif [[ ${input} == "--source" ]] || [[ ${input} == "-s" ]]
then
echo "https://www.blatech.co.uk/ars/flight-query"
exit 0
elif [[ ${input} =~ "-a" ]] || [[ ${input} =~ "--arrivals" ]]
then
queryType="arr_iata"
direction="Origin"
_airport
elif [[ ${input} =~ "-d" ]] || [[ ${input} =~ "--departures" ]]
then
direction="Destination"
queryType="dep_iata"
_airport
# if it doesn't match an option then it's probably a specific plane
else
queryType="flight_iata"
_flight
fi
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