tss/exp/xml/xml.go

package main

import (
	"bytes"
	"encoding/csv"
	"encoding/xml"
	"fmt"
	"io"
	"log"
	"os"
	"strings"
	"time"
)

/*
	XMLName   xml.Name    `xml:"person"`
		FirstName string      `xml:"firstname"`
			Parents interface{} `xml:"parent"`
*/

type Item struct {
	Title       string `xml:"title"`
	Link        string `xml:"link"`
	Author      string `xml:"author"`
	Guid        string `xml:"guid"`
	Description string `xml:"description"`
	Content     string `xml:",innerxml"`
}

func main() {
	fmt.Println("hello go")
	data, err := os.ReadFile("/home/balki/projects/tss/w.tmp/ounapuu.xml")
	if err != nil {
		log.Fatal(err)
	}

	v := struct {
		Items []Item `xml:"channel>item"`
	}{}

	err = xml.Unmarshal(data, &v)
	if err != nil {
		log.Fatal(err)
	}

	f, err := os.OpenFile("./data.csv", os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)

	defer f.Close()

	if err != nil {
		log.Fatal(err)
	}
	var b bytes.Buffer
	b.WriteString("hello world")
	csvw := csv.NewWriter(&b)
	csvw.Write([]string{
		"date",
		"link",
		"info",
	})

	for index, item := range v.Items[:3] {
		c := item.Content
		fmt.Println(index, len(c), item.Title)
		//fmt.Println(item.Content)
		err = csvw.Write([]string{
			time.Now().String(),
			item.Link,
			strings.Replace(c, "\n", " ", -1),
		})
		if err != nil {
			panic(err)
		}
		/*
			err = csvw.Write([]string{
				time.Now().String(),
				"dummy.link",
				"dummy content, lskdjf lksjdf lkjk",
			})
			if err != nil {
				panic(err)
			}
		*/
	}
	csvw.Flush()
	err = f.Sync()
	fmt.Println(err)
	data2, err := io.ReadAll(&b)
	fmt.Printf("data2: %s\n", data2)
	fmt.Println(err)
	// fmt.Println(v.Items[len(v.Items)-1].Content)
}
func foo() {
	x := `
<foo>
	<bar><blue>slkdfjdslk</blue></bar>
</foo>
`
	s := struct {
		Bar struct {
			Content string `xml:",innerxml"`
		} `xml:"bar"`
	}{}

	err := xml.Unmarshal([]byte(x), &s)
	if err != nil {
		log.Fatal(err)
	}
	fmt.Println(s.Bar.Content)
}