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skipping file download if already downloaded

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This commit is contained in:
Hazel Noack 2025-07-15 17:46:34 +02:00
parent fbbd78ce72
commit 60f5495f79
1 changed files with 19 additions and 13 deletions
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6
internal/rendering/website_cards.go
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@ -3,6 +3,7 @@ package rendering
import ( import (
"crypto/sha1" "crypto/sha1"
"encoding/hex" "encoding/hex"
"errors"
"io" "io"
"net/http" "net/http"
"net/url" "net/url"
@ -50,6 +51,9 @@ func (w *Website) Cache() error {
filename := hashUrl(w.ImageUrl) + filepath.Ext(w.ImageUrl) filename := hashUrl(w.ImageUrl) + filepath.Ext(w.ImageUrl)
targetPath := filepath.Join(cacheDir, filename) targetPath := filepath.Join(cacheDir, filename)
// if the file was already downloaded it doesn't need to be downloaded again
if _, err := os.Stat(targetPath); errors.Is(err, os.ErrNotExist) {
resp, err := http.Get(w.ImageUrl) resp, err := http.Get(w.ImageUrl)
if err != nil { if err != nil {
return err return err
@ -67,7 +71,9 @@ func (w *Website) Cache() error {
if err != nil { if err != nil {
return err return err
} }
}
// set the value in the struct to the current file
w.ImageUrl, _ = url.JoinPath(CacheUrl, filename) w.ImageUrl, _ = url.JoinPath(CacheUrl, filename)
w.IsFetched = true w.IsFetched = true
return nil return nil