Get number of contributors from btcpayserver campaign, for notifications through scripts

crowdfunding-get-contributors.sh

#!/bin/bash

# This is the crowdfunding webpage
URL="https://your.btcpayserver.com/apps/yourstoreid/crowdfund"

# Fetch the page
HTML=$(curl -s "$URL")

if [ $? -ne 0 ]; then
    echo "Error fetching page" >&2
    exit 1
fi

# Method 1: Extract from the h3 element inside crowdfund-body-total-contributors div
# This looks for the pattern where we have the div with the specific id, then captures the h3 content
CONTRIBUTORS=$(echo "$HTML" | grep -A2 'id="crowdfund-body-total-contributors"' | grep '<h3' | sed -n 's/.*>\([0-9]*\)<.*/\1/p')

# If method 1 didn't work, try method 2
if [ -z "$CONTRIBUTORS" ]; then
    # Method 2: Extract from JavaScript srvModel variable
    CONTRIBUTORS=$(echo "$HTML" | grep -o '"totalContributors":[0-9]*' | grep -o '[0-9]*$')
fi

if [ -z "$CONTRIBUTORS" ]; then
    echo "Could not find contributor count" >&2
    exit 1
fi

echo "$CONTRIBUTORS"