diff options
| -rwxr-xr-x | apod-bot.sh | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/apod-bot.sh b/apod-bot.sh index d0a5386..b79f261 100755 --- a/apod-bot.sh +++ b/apod-bot.sh @@ -12,12 +12,14 @@ # To run this script, you will need jq, the command line JSON # processor and pup, the command line HTML processor. +# Settings SOCIAL_API_URL=https://social.systemreboot.net/api BOT_USERNAME=apod BOT_PASSWORD=secret-password-here APOD_BASE_URL=https://apod.nasa.gov/apod +# Download HTML page, and scrape required information APOD_HTML=$(curl $APOD_BASE_URL/astropix.html) TITLE=$(echo "$APOD_HTML" | pup 'center:nth-child(2) > b:nth-child(1) text{}' \ @@ -34,8 +36,10 @@ fi DATE=$(echo "$APOD_HTML" | pup ':contains("Discuss") attr{href}' | awk -F= '{print $2}') PAGE_LINK=$APOD_BASE_URL/ap$DATE.html +# Construct notice NOTICE="$TITLE $PAGE_LINK $MEDIA_LINK" +# Ensure we are not publishing a duplicate notice PREVIOUS_NOTICE=$(curl -u "$BOT_USERNAME:$BOT_PASSWORD" $SOCIAL_API_URL/statuses/home_timeline.json \ | jq -r '.[0] | .text') if [[ "$NOTICE" = "$PREVIOUS_NOTICE" ]] @@ -44,9 +48,11 @@ then exit 1 fi +# Check image and page links exist wget --spider $MEDIA_LINK wget --spider $PAGE_LINK +# Publish notice curl -u "$BOT_USERNAME:$BOT_PASSWORD" --data-urlencode "status=$NOTICE" \ $SOCIAL_API_URL/statuses/update.json \ | jq -r '"Published notice \"\(.text)\" on \(.created_at)"' |