feat: add Gotify notifications for Restic backup status

- Implemented a function to send notifications via Gotify for backup success, warnings, and failures.
- Notifications include details such as date and commit information.
- Added checks for Gotify configuration and fallback for JSON encoding.

scripts/backup-restic.sh

@@ -9,6 +9,44 @@ if [ -f "$HOME/.restic-env" ]; then
     . "$HOME/.restic-env"
 fi
 
+# Function to send Gotify notification
+send_gotify_notification() {
+    local title="$1"
+    local message="$2"
+    local priority="${3:-5}"
+    
+    # Check if Gotify is configured
+    if [ -z "$GOTIFY_URL" ] || [ -z "$GOTIFY_APP_TOKEN" ]; then
+        return 0
+    fi
+    
+    # Send notification (fire and forget, don't fail on error)
+    # Use jq if available for proper JSON encoding, otherwise use simple approach
+    if command -v jq >/dev/null 2>&1; then
+        local json_payload
+        json_payload=$(jq -n \
+            --arg title "$title" \
+            --arg message "$message" \
+            --argjson priority "$priority" \
+            '{title: $title, message: $message, priority: $priority}')
+        
+        curl -sSf -X POST "${GOTIFY_URL}/message?token=${GOTIFY_APP_TOKEN}" \
+            -H "Content-Type: application/json" \
+            -d "$json_payload" \
+            >/dev/null 2>&1 || true
+    else
+        # Fallback: simple JSON encoding (replace " with \" and newlines with \n)
+        local escaped_title escaped_message
+        escaped_title=$(echo "$title" | sed 's/"/\\"/g')
+        escaped_message=$(echo "$message" | sed 's/"/\\"/g' | sed ':a;N;$!ba;s/\n/\\n/g')
+        
+        curl -sSf -X POST "${GOTIFY_URL}/message?token=${GOTIFY_APP_TOKEN}" \
+            -H "Content-Type: application/json" \
+            -d "{\"title\":\"${escaped_title}\",\"message\":\"${escaped_message}\",\"priority\":${priority}}" \
+            >/dev/null 2>&1 || true
+    fi
+}
+
 echo "💾 Creating Restic backup..."
 
 if ! command -v restic >/dev/null 2>&1; then
@@ -71,12 +109,33 @@ restic -r "$RESTIC_REPO" backup \
 
 if [ $RESTIC_EXIT_CODE -eq 0 ]; then
     echo "✅ Restic backup completed successfully"
+    
+    # Send success notification
+    send_gotify_notification \
+        "Hördle Backup: Erfolgreich" \
+        "Restic Backup wurde erfolgreich abgeschlossen.\nDatum: ${CURRENT_DATE}\nCommit: ${CURRENT_COMMIT_SHORT}" \
+        5
+    
     exit 0
 elif [ $RESTIC_EXIT_CODE -eq 3 ]; then
     echo "⚠️  Restic backup completed with warnings (some files could not be read), continuing..."
+    
+    # Send warning notification
+    send_gotify_notification \
+        "Hördle Backup: Mit Warnungen" \
+        "Restic Backup wurde mit Warnungen abgeschlossen (einige Dateien konnten nicht gelesen werden).\nDatum: ${CURRENT_DATE}\nCommit: ${CURRENT_COMMIT_SHORT}" \
+        7
+    
     exit 0
 else
     echo "⚠️  Restic backup failed (exit code: $RESTIC_EXIT_CODE), continuing deployment..."
+    
+    # Send error notification
+    send_gotify_notification \
+        "Hördle Backup: Fehlgeschlagen" \
+        "Restic Backup ist fehlgeschlagen (Exit Code: ${RESTIC_EXIT_CODE}).\nDatum: ${CURRENT_DATE}\nCommit: ${CURRENT_COMMIT_SHORT}" \
+        9
+    
     exit 0
 fi