Radarr custom notification script for Mattermost incoming webhook

radarr-mattermost-notify.sh

#!/bin/bash

# --- CONFIGURATION ---
# Webhook documentation in https://developers.mattermost.com/integrate/webhooks/incoming/
WEBHOOK_URL="https://mm.example.com/hooks/secretkey"
CHANNEL="movies"
USERNAME="Radarr"
ICON_URL="https://raw.githubusercontent.com/Radarr/Radarr/develop/Logo/256.png"

# Check if script is run by Radarr
if [ -z "$radarr_eventtype" ]; then
    echo "Error: This script must be run from within Radarr."
    exit 1
fi

EVENT="$radarr_eventtype"
MOVIE_TITLE="$radarr_movie_title"
MOVIE_YEAR="$radarr_movie_year"

# Event types: https://wiki.servarr.com/radarr/custom-scripts
case "$EVENT" in
    "Grab")
        HEADER="### 📥 Movie Grabbed"
        BODY="**$MOVIE_TITLE ($MOVIE_YEAR)**\n**Size**: $((radarr_release_size / 1024 / 1024)) MB"
        ;;
    "Download")
        HEADER="### ✅ Movie Imported"
        BODY="**$MOVIE_TITLE ($MOVIE_YEAR)**\n**Quality**: $radarr_moviefile_quality\n**Path**: $radarr_moviefile_relativepath"
        ;;
    "Test")
        HEADER="### 🔔 Test Notification"
        BODY="Webhook connection to **$CHANNEL** is successful for $USERNAME!"
        ;;
    *)
        HEADER="### ℹ️ $USERNAME Notification"
        BODY="Event **$EVENT** triggered for **$MOVIE_TITLE**."
        ;;
esac

PAYLOAD=$(cat <<EOF
{
  "channel": "$CHANNEL",
  "username": "$USERNAME",
  "icon_url": "$ICON_URL",
  "text": "$HEADER\n$BODY"
}
EOF
)

curl -s -i -X POST \
     -H 'Content-Type: application/json' \
     -d "$PAYLOAD" \
     "$WEBHOOK_URL" > /dev/null