NixTutorial/map

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2024-04-25 13:32:47 +00:00
#!/usr/bin/env bash
set -euo pipefail
cachedir=${XDG_CACHE_HOME:-~/.cache}/google-api/maps-static
mkdir -p "$cachedir"
hash=$(echo "$@" | 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 $keyFile" >&2
echo "For getting one, see https://developers.google.com/maps/documentation/maps-static/start#before-you-begin" >&2
exit 1
fi
key=$(cat "$keyFile")
tmp=$(mktemp -d)
trap 'rm -rf "$tmp"' exit
output=$tmp/output
curlArgs=(
https://maps.googleapis.com/maps/api/staticmap
--silent --show-error --get --output "$output" --write-out %{http_code}
)
for arg in "$@"; do
curlArgs+=(--data-urlencode "$arg")
done
#echo curl ''${curlArgs[@]@Q} >&2
curlArgs+=(--data-urlencode key="$key")
if status=$(curl "${curlArgs[@]}"); then
if [[ "$status" == 200 ]]; then
mv "$output" "$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 $code" >&2
exit 1
fi
fi
if [[ -t 1 ]]; then
echo "Successful, but won't output image to tty, pipe to a file or icat instead" >&2
else
cat "$cachefile"
fi