44 lines
1.8 KiB
Bash
Executable File
44 lines
1.8 KiB
Bash
Executable File
#!/usr/bin/env bash
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# constants
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timeout=120 # in seconds
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refresh_rate=10 # display each station for 10 seconds
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WORKINGDIR="$HOME/.dotfiles/bin/bluebikes"
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# getting time and existing information
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TIME=$(date +%s)
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OLD_EXPIRATION=$(ls "$WORKINGDIR/data/" | cut -d '.' -f 1 2>/dev/null) # removes .json extension
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update_stations() {
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# checks to see if we are out of date and sets $output to be station info
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if [[ -z $OLD_EXPIRATION || $OLD_EXPIRATION -lt $EXPIRATION ]] ; then
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# file doesn't exist or is more than a minute old
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get_station_info
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fi
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STATIONS=$(cat "$WORKINGDIR/conf.json" | gojq '.stations') # stations we care about from config file
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STATION_INFO=$(cat "$WORKINGDIR/"data/*.json) # all station information
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# all associated data for the specific ids
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info=$(echo "$STATION_INFO" | gojq --argjson js "$STATIONS" '[.data.stations[] | select( .station_id as $id | $js.[].station_id | tostring | . == $id )]')
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# only available bikes/docks for the required ids
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output=$(echo "$info" | gojq --argjson names "$STATIONS" '.[] | .station_id as $id | [{ id: $id, bikes: .num_bikes_available, docks: .num_docks_available, station: $names.[] | select( .station_id | tostring | . == $id ) | .name }]')
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# echo "$output"
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}
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get_station_info() {
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# cleans data folder and leaves only most recent copy
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rm "$WORKINGDIR/data/"*.json 2>/dev/null
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BB_STATUS=$(curl --silent -fL https://gbfs.bluebikes.com/gbfs/en/station_status.json)
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EXPIRATION=$(($TIME + 120)) # sets expiration to be in 120 seconds
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echo $EXPIRATION
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}
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output_status() {
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# reads $OUTPUT and the Index value
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update_stations # sets $output to be all the stations we are interested in
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output_status # echos correct station info based on index and time
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