Edits history of script submission #368 for ' Retrieve the comments from an hacker news post (hackernews)'

• go

  Ap­pro­ved version

  Edit in Windmill

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  package inner
  
  import (
  	"strconv"
  	"strings"
  
  	"github.com/gocolly/colly/v2"
  )
  
  type comment struct {
  	Author  string `selector:"a.hnuser" json:"author"`
  	URL     string `selector:".age a[href]" attr:"href" json:"url"`
  	Comment string `selector:".comment" json:"comment"`
  	Replies []*comment `json:"replies"`
  	depth   int
  }
  
  func main(itemID string) (interface{}, error) {
  	comments := make([]*comment, 0)
  
  	// Instantiate default collector
  	c := colly.NewCollector()
  
  	// Extract comment
  	c.OnHTML(".comment-tree tr.athing", func(e *colly.HTMLElement) {
  		width, err := strconv.Atoi(e.ChildAttr("td.ind img", "width"))
  		if err != nil {
  			return
  		}
  		// hackernews uses 40px spacers to indent comment replies,
  		// so we have to divide the width with it to get the depth
  		// of the comment
  		depth := width / 40
  		c := &comment{
  			Replies: make([]*comment, 0),
  			depth:   depth,
  		}
  		e.Unmarshal(c)
  		c.Comment = strings.TrimSpace(c.Comment[:len(c.Comment)-5])
  		if depth == 0 {
  			comments = append(comments, c)
  			return
  		}
  		parent := comments[len(comments)-1]
  		// append comment to its parent
  		for i := 0; i < depth-1; i++ {
  			parent = parent.Replies[len(parent.Replies)-1]
  		}
  		parent.Replies = append(parent.Replies, c)
  	})
  
  	c.Visit("https://news.ycombinator.com/item?id=" + itemID)
  	return comments, nil
  }

  Submitted by fernando mumbach675 583 days ago

• go

  Edit in Windmill

  Embed

  package inner
  
  import (
  	"strconv"
  	"strings"
  
  	"github.com/gocolly/colly/v2"
  )
  
  type comment struct {
  	Author  string `selector:"a.hnuser" json:"author"`
  	URL     string `selector:".age a[href]" attr:"href" json:"url"`
  	Comment string `selector:".comment" json:"comment"`
  	Replies []*comment `json:"replies"`
  	depth   int
  }
  
  func main(itemID string) (interface{}, error) {
  	comments := make([]*comment, 0)
  
  	// Instantiate default collector
  	c := colly.NewCollector()
  
  	// Extract comment
  	c.OnHTML(".comment-tree tr.athing", func(e *colly.HTMLElement) {
  		width, err := strconv.Atoi(e.ChildAttr("td.ind img", "width"))
  		if err != nil {
  			return
  		}
  		// hackernews uses 40px spacers to indent comment replies,
  		// so we have to divide the width with it to get the depth
  		// of the comment
  		depth := width / 40
  		c := &comment{
  			Replies: make([]*comment, 0),
  			depth:   depth,
  		}
  		e.Unmarshal(c)
  		c.Comment = strings.TrimSpace(c.Comment[:len(c.Comment)-5])
  		if depth == 0 {
  			comments = append(comments, c)
  			return
  		}
  		parent := comments[len(comments)-1]
  		// append comment to its parent
  		for i := 0; i < depth-1; i++ {
  			parent = parent.Replies[len(parent.Replies)-1]
  		}
  		parent.Replies = append(parent.Replies, c)
  	})
  
  	c.Visit("https://news.ycombinator.com/item?id=" + itemID)
  	return comments, nil
  }

  Submitted by fernando mumbach675 583 days ago