GitHub - alexferrari88/GoHN: Hacker News API wrapper for Go

    // Instantiate a new client to retrieve data from the Hacker News API
    hn, err := gohn.NewClient(nil)
    if err != nil {
        panic(err)
    }

    // Use background context
    ctx := context.Background()

    // Get the top 500 stories' IDs
    topStoriesIds, _ := hn.Stories.GetIDs(ctx, gohn.TopStory)

    var story *gohn.Item
    // Retrieve the details of the first one
    if len(topStoriesIds) > 0 && topStoriesIds[0] != nil {
        story, _ = hn.Items.Get(ctx, *topStoriesIds[0])
    }

    if story == nil {
        panic("No story found")
    }

    // Print the story's title
    fmt.Println("Title:", *story.Title)

    // Print the story's author
    fmt.Println("Author:", *story.By)

    // Print the story's score
    fmt.Println("Score:", *story.Score)

    // Print the story's URL
    fmt.Println("URL:", *story.URL)

    fmt.Println()
    fmt.Println()

    if story.Kids == nil {
        fmt.Println("No comments found")
        return
    }

    // Retrieve all the comments for that story
    // UnescapeHTML is applied to each retrieved item to unescape HTML characters

    commentsMap, err := hn.Items.FetchAllDescendants(ctx, story, processors.UnescapeHTML())

    if err != nil {
        panic(err)
    }
    if len(commentsMap) == 0 {
        fmt.Println("No comments found")
        return
    }

    fmt.Printf("Comments found: %d\n", len(commentsMap))
    fmt.Println()

    // Create a Story struct to hold the story and its comments
    storyWithComments := gohn.Story{
        Parent:          story,
        CommentsByIdMap: commentsMap,
    }

    // Calculate the position of each comment in the story
    storyWithComments.SetCommentsPosition()

    // Get an ordered list of comments' IDs (ordered by position)
    orderedIDs, err := storyWithComments.GetOrderedCommentsIDs()

    if err != nil {
        panic(err)
    }

    // Print the comments
    for _, id := range orderedIDs {
        comment := commentsMap[id]
        if comment.Text != nil {
            fmt.Println(*comment.Text)
            fmt.Println()
        }
    }

    // Create optimized client with custom rate limiting
    hn, err := gohn.NewClientWithOptions(&gohn.ClientOptions{
        RateLimit: 200 * time.Millisecond, // 5 requests per second (be respectful)
        BurstSize: 10,                     // Allow bursts of 10 requests
    })
    if err != nil {
        panic(err)
    }

    ctx := context.Background()

    // Get story (same as before)
    story, _ := hn.Items.Get(ctx, storyID)

    // Use optimized function for faster comment retrieval
    commentsMap, err := hn.Items.FetchAllDescendantsOptimized(
        ctx, 
        story, 
        processors.UnescapeHTML(), 
        0, // Auto-determine optimal worker count
    )

    if err != nil {
        panic(err)
    }
    
    fmt.Printf("Comments fetched: %d\n", len(commentsMap))
    // Process comments same as before...