sequenceDiagram
    participant User
    participant SearchBar
    participant searchService
    participant Notification
    
    Note over User,Notification: Download Flow with New Validations
    
    User->>SearchBar: Click Download (CSV/JSON)
    SearchBar->>SearchBar: downloadLogs(data, format)
    alt data is empty or null
        SearchBar->>Notification: "No data found to download"
        Notification-->>User: Show notification
    else data exists
        SearchBar->>SearchBar: Convert to CSV/JSON
        SearchBar-->>User: Download file
    end
    
    User->>SearchBar: Click Custom Range Download
    SearchBar->>SearchBar: downloadRangeData()
    alt customDownloadQueryObj.query missing
        SearchBar->>Notification: "Please run a query first"
        Notification-->>User: Show notification
    else query exists
        SearchBar->>searchService: search(query)
        searchService-->>SearchBar: results
        alt results.hits.length > 0
            SearchBar->>SearchBar: downloadLogs(hits, format)
        else no hits
            SearchBar->>Notification: "No data found to download"
        end
    end
    
    User->>SearchBar: Schedule Job
    SearchBar->>SearchBar: addJobScheduler()
    alt no stream selected
        SearchBar->>Notification: "Please select a stream"
        Notification-->>User: Show notification
    else stream selected
        SearchBar->>SearchBar: proceed with scheduling
    end