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trantor/tools/togridfs/togridfs.go
2013-04-23 22:27:59 +02:00

87 lines
1.8 KiB
Go

package main
import (
"fmt"
"git.gitorious.org/go-pkg/epubgo.git"
"io"
"labix.org/v2/mgo/bson"
"os"
)
func main() {
db = initDB()
defer db.Close()
books, _, _ := db.GetBooks(bson.M{})
for _, book := range books {
if book.Path == "" {
fmt.Println("don't needed -- ", book.Title)
continue
}
fmt.Println(book.Title)
path := getPath(book)
id, err := storeFile(path, book)
if err != nil {
fmt.Println("storeFile ================", err)
db.UpdateBook(bson.ObjectIdHex(book.Id), bson.M{"active": false})
continue
}
cover, coverSmall, err := cover(path, book)
if err != nil {
fmt.Println("cover ================", err)
db.UpdateBook(bson.ObjectIdHex(book.Id), bson.M{"active": false, "file": id})
continue
}
if cover != "" {
db.UpdateBook(bson.ObjectIdHex(book.Id), bson.M{"cover": cover, "coversmall": coverSmall, "file": id}, bson.M{"path": 1})
} else {
fmt.Println("No cover ================", book.Title)
db.UpdateBook(bson.ObjectIdHex(book.Id), bson.M{"active": false, "file": id})
}
}
}
func getPath(book Book) string {
if !book.Active {
return "new/" + book.Path
}
return "books/" + book.Path
}
func storeFile(path string, book Book) (bson.ObjectId, error) {
fs := db.GetFS(FS_BOOKS)
file, err := os.Open(path)
if err != nil {
return "", err
}
defer file.Close()
fw, err := fs.Create(book.Title + ".epub")
if err != nil {
return "", err
}
defer fw.Close()
id, _ := fw.Id().(bson.ObjectId)
_, err = io.Copy(fw, file)
if err != nil {
return id, err
}
return id, nil
}
func cover(path string, book Book) (bson.ObjectId, bson.ObjectId, error) {
e, err := epubgo.Open(path)
if err != nil {
return "", "", err
}
defer e.Close()
cover, coverSmall := GetCover(e, book.Title)
return cover, coverSmall, err
}