package main

import (
	"fmt"

	"github.com/mmcdole/gofeed"
)

type RssItem struct {
	Title       string
	Description string
	Link        string
}

func (item RssItem) String() string {
	return fmt.Sprintf("RssItem(Title=%s, ...)", item.Title)
}

func FetchRss(url string) ([]RssItem, error) {
	fp := gofeed.NewParser()
	feed, err := fp.ParseURL(url)
	if err != nil {
		return nil, err
	}
	items := make([]RssItem, 0, len(feed.Items))
	for _, item := range feed.Items {
		newItem := RssItem{item.Title, item.Description, item.Link}
		items = append(items, newItem)
	}
	return items, nil
}