*.go: fetching the books with progress bar

Signed-off-by: Vincent Batts <vbatts@hashbangbash.com>
This commit is contained in:
Vincent Batts 2021-05-17 14:39:23 -05:00
parent cbb7bf1d6c
commit ebfd8ac60d
No known key found for this signature in database
GPG key ID: 524F155275DF0C3E
2 changed files with 66 additions and 9 deletions

View file

@ -47,13 +47,16 @@ to quickly create a Cobra application.`,
// Uncomment the following line if your bare application
// has an action associated with it:
Run: func(cmd *cobra.Command, args []string) {
b, err := goldenaudiobooks.BookScrape("https://goldenaudiobooks.com/the-water-dancer-oprahs-book-club-audiobook/")
if err != nil {
log.Fatal(err)
}
log.Debug(b)
if err = goldenaudiobooks.BookFetccher(b, ".", true); err != nil {
log.Fatal(err)
for _, arg := range args {
// "https://goldenaudiobooks.com/the-water-dancer-oprahs-book-club-audiobook/"
b, err := goldenaudiobooks.BookScrape(arg)
if err != nil {
log.Fatal(err)
}
log.Debug(b)
if err = goldenaudiobooks.BookFetcher(b, ".", viper.GetBool("create-local")); err != nil {
log.Fatal(err)
}
}
},
}
@ -79,6 +82,8 @@ func init() {
// Cobra also supports local flags, which will only run
// when this action is called directly.
rootCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
rootCmd.Flags().StringP("dest", "d", ".", "destination base for fetched books")
rootCmd.Flags().BoolP("create-local", "C", false, "create files in local directory")
}
// initConfig reads in config file and ENV variables if set.

View file

@ -23,10 +23,17 @@ package goldenaudiobooks
import (
"fmt"
"io"
"net/http"
"net/url"
"os"
"path/filepath"
"strconv"
"strings"
"github.com/PuerkitoBio/goquery"
"github.com/cheggaaa/pb/v3"
log "github.com/sirupsen/logrus"
)
type Book struct {
@ -62,7 +69,7 @@ func BookScrape(bookURL string) (*Book, error) {
doc.Find(".lazy-hidden").Each(func(i int, s *goquery.Selection) {
//title := s.Find("source").Text()
if src, exists := s.Attr("src"); exists && strings.Contains(src, ".mp3") {
fmt.Println(i, src)
//fmt.Println(i, src)
b.Files = append(b.Files, src)
}
})
@ -72,6 +79,51 @@ func BookScrape(bookURL string) (*Book, error) {
return &b, nil
}
func BookFetccher(b *Book, dest string, mkdir bool) error {
// BookFetcher creates a folder in dest, from the title in Book, and downloads the files there.
// If no title is present, then one is generated and set in Book b.
func BookFetcher(b *Book, dest string, createLocal bool) error {
p := dest
if !createLocal {
p = filepath.Join(dest, b.Title)
if err := os.MkdirAll(p, os.FileMode(0755)); err != nil {
return err
}
}
log.Infof("Title: %q", b.Title)
for _, f := range b.Files {
u, err := url.Parse(f)
if err != nil {
return err
}
fname := filepath.Base(u.Path)
fd, err := os.OpenFile(filepath.Join(p, fname), os.O_RDWR|os.O_CREATE, os.FileMode(0644))
if err != nil {
return err
}
log.Infof("Fetching %q", f)
resp, err := http.Get(f)
if err != nil {
return err
}
//log.Infof("%#v", resp)
if resp.StatusCode != http.StatusOK {
return fmt.Errorf("status: %d; url: %q", resp.StatusCode, f)
}
size, err := strconv.ParseInt(resp.Header.Get("content-length"), 10, 64)
if err != nil {
size = -1
}
bar := pb.Full.Start64(size)
barReader := bar.NewProxyReader(resp.Body)
i, err := io.Copy(fd, barReader)
if err != nil {
return err
}
bar.Finish()
log.Infof("wrote %q (%d)", fname, i)
}
return nil
}