package main

import (
	"encoding/xml"
	"time"
)

type Document struct {
	Channel Channel `xml:"channel"`
}

type Item struct {
	Title         string `xml:"title"`
	Link          string `xml:"link"`
	Description   string `xml:"description"`
	PubDate       string `xml:"pubDate"`
	PublishedDate time.Time
}

type Channel struct {
	Title       string `xml:"title"`
	Description string `xml:"description"`
	Items       []Item `xml:"item"`
}

const DATE_FORMAT = "Mon, 02 Jan 2006 15:04:05 -0700"

func (i Item) GetPublishedDate() time.Time {
	published, _ := time.Parse(DATE_FORMAT, i.PubDate)
	return published
}

func ParseFeed(raw []byte) Document {
	var doc Document

	if err := xml.Unmarshal(raw, &doc); err != nil {
		return Document{}
	}

	return doc
}