Files
VoxVera/src/generate_qr.sh
2025-06-17 19:17:33 -04:00

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#!/bin/bash
set -e
CONFIG="config.json"
# Ensure dependencies
command -v jq >/dev/null 2>&1 || { echo "jq is required" >&2; exit 1; }
command -v qrencode >/dev/null 2>&1 || { echo "qrencode is required" >&2; exit 1; }
command -v convert >/dev/null 2>&1 || { echo "ImageMagick convert is required" >&2; exit 1; }
url=$(jq -r '.url' "$CONFIG")
tear=$(jq -r '.tear_off_link' "$CONFIG")
[ -n "$url" ] || { echo "URL missing in $CONFIG" >&2; exit 1; }
[ -n "$tear" ] || { echo "tear_off_link missing in $CONFIG" >&2; exit 1; }
tmp_content=$(mktemp)
tmp_tear=$(mktemp)
qrencode -o "$tmp_content" -s 10 -m 0 "$url"
qrencode -o "$tmp_tear" -s 10 -m 0 "$tear"
convert "$tmp_content" -resize 128x128 "qrcode-content.png"
convert "$tmp_tear" -resize 128x128 "qrcode-tear-offs.png"
rm -f "$tmp_content" "$tmp_tear"
echo "QR codes generated"