NixTutorial/geocode

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#!/usr/bin/env bash
set -euo pipefail
cachedir=~/.cache/google-api/geocode
mkdir -p "$cachedir"
hash=$(echo "$1" | sha256sum - | cut -d' ' -f1)
cachefile="$cachedir/$hash"
if [[ ! -f "$cachefile" ]]; then
keyFile=${XDG_DATA_HOME:-~/.local/share}/google-api/key
if [[ ! -f "$keyFile" ]]; then
mkdir -p "$(basename "$keyFile")"
echo "No Google API key found in $keyFile" >&2
echo "For getting one, see https://developers.google.com/maps/documentation/geocoding/overview#before-you-begin" >&2
exit 1
fi
key=$(cat "$keyFile")
tmp=$(mktemp -d)
trap 'rm -rf "$tmp"' exit
output=$tmp/output
curlArgs=(
https://maps.googleapis.com/maps/api/geocode/json
--silent --show-error --get --output "$output" --write-out '%{http_code}'
--data-urlencode address="$1"
)
#echo curl ''${curlArgs[@]@Q} >&2
curlArgs+=(--data-urlencode key="$key")
if status=$(curl "${curlArgs[@]}"); then
if [[ "$status" == 200 ]]; then
jq -r '.results[0].geometry.location as $loc | "\($loc | .lat),\($loc | .lng)"' "$output" > "$cachefile"
else
echo "API returned non-200 HTTP status code $status, output is" >&2
cat "$output" >&2
exit 1
fi
else
code=$?
echo "curl exited with code $code" >&2
exit 1
fi
fi
cat "$cachefile"