Merge pull request #2 from PR0M3TH3AN/codex/create-qr-generation-script-and-update-workflow

Add QR code generation script

src/README.md

@@ -6,6 +6,7 @@ This repository contains a simple Bash script to obfuscate and minify a single H
 
 - **Debian/Ubuntu**: This script is designed to work on Debian-based systems.
 - **Node.js**: Terser and html-minifier-terser require Node.js to be installed.
+- **qrencode**: Generates the QR codes used in the flyers.
 
 ### Install Node.js and npm on Debian
 
@@ -128,3 +129,5 @@ The `create_flyer.sh` script automates filling `config.json`, building the HTML
 ```
 
 By default the script updates `src/config.json`. After answering the prompts (or extracting from the PDF), `index.html` and `nostr.html` are generated and copied along with the QR code images and PDFs. The files end up in `host/<subdomain>` which can be served statically.
+
+QR codes are built automatically during this process. After the configuration is updated, `create_flyer.sh` calls `generate_qr.sh` to read the URLs from `config.json` and produce `qrcode-content.png` and `qrcode-tear-offs.png`.

src/create_flyer.sh

@@ -84,6 +84,9 @@ else
   update_config_interactive
 fi
 
+# Regenerate QR codes based on the updated configuration
+( cd src && ./generate_qr.sh )
+
 # Run obfuscation scripts
 ( cd src && ./obfuscate_index.sh && ./obfuscate_nostr.sh )
 

src/generate_qr.sh

@@ -0,0 +1,29 @@
+#!/bin/bash
+
+set -e
+
+CONFIG="src/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 "src/qrcode-content.png"
+convert "$tmp_tear" -resize 128x128 "src/qrcode-tear-offs.png"
+
+rm -f "$tmp_content" "$tmp_tear"
+
+echo "QR codes generated in src/"