58 lines
977 B
Go
58 lines
977 B
Go
package web
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import (
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"image"
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"image/jpeg"
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"io"
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"net/http"
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"os"
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"path"
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"time"
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"github.com/nfnt/resize"
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)
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// Download used for downloading file
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var Download = func(srcURL, dest string) error {
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if err := createDirectory(dest); err != nil {
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return err
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}
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var httpClient = &http.Client{
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Timeout: time.Second * 10,
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}
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resp, err := httpClient.Get(srcURL)
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if err != nil {
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return err
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}
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defer resp.Body.Close()
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img, err := resizeImage(resp.Body)
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if err != nil {
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return err
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}
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// Create the file
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file, err := os.Create(dest)
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if err != nil {
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return err
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}
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defer file.Close()
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return jpeg.Encode(file, img, nil)
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}
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// createDirectory creates the destination directory
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func createDirectory(dest string) error {
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return os.MkdirAll(path.Dir(dest), os.ModePerm)
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}
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func resizeImage(img io.Reader) (image.Image, error) {
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image, _, err := image.Decode(img)
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if err != nil {
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return nil, err
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}
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return resize.Resize(300, 0, image, resize.Lanczos3), nil
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}
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