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ocr_util.go
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ocr_util.go
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package ocrworker
import (
"io/ioutil"
"net/http"
"os"
"path/filepath"
"github.com/nu7hatch/gouuid"
)
func saveUrlContentToFileName(url, tmpFileName string) error {
// TODO: current impl uses more memory than it needs to
resp, err := http.Get(url)
if err != nil {
return err
}
defer resp.Body.Close()
bodyBytes, err := ioutil.ReadAll(resp.Body)
if err != nil {
return err
}
return ioutil.WriteFile(tmpFileName, bodyBytes, 0600)
}
func saveBytesToFileName(bytes []byte, tmpFileName string) error {
return ioutil.WriteFile(tmpFileName, bytes, 0600)
}
func url2bytes(url string) ([]byte, error) {
resp, err := http.Get(url)
if err != nil {
return nil, err
}
defer resp.Body.Close()
bodyBytes, err := ioutil.ReadAll(resp.Body)
if err != nil {
return nil, err
}
return bodyBytes, nil
}
func createTempFileName() (string, error) {
tempDir := os.TempDir()
uuidRaw, err := uuid.NewV4()
if err != nil {
return "", err
}
uuidStr := uuidRaw.String()
return filepath.Join(tempDir, uuidStr), nil
}