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Fix panic when scraping with unknown field (#6220)

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* Fix URL in group scraper causing panic
* Return error instead of panicking on unknown field
This commit is contained in:
WithoutPants 2025-10-31 19:54:35 +11:00 committed by GitHub
parent 336fa3b70e
commit 1b2b4c5221
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GPG key ID: B5690EEEBB952194
3 changed files with 76 additions and 40 deletions
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1
pkg/models/model_scraped_item.go
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@ -462,6 +462,7 @@ type ScrapedGroup struct {
Date *string `json:"date"`
Rating *string `json:"rating"`
Director *string `json:"director"`
URL *string `json:"url"` // included for backward compatibility
URLs []string `json:"urls"`
Synopsis *string `json:"synopsis"`
Studio *ScrapedStudio `json:"studio"`

13
pkg/scraper/mapped.go
View file

@ -873,9 +873,17 @@ func (r mappedResult) apply(dest interface{}) {
func mapFieldValue(destVal reflect.Value, key string, value interface{}) error {
field := destVal.FieldByName(key)
if !field.IsValid() {
return fmt.Errorf("field %s does not exist on %s", key, destVal.Type().Name())
}
if !field.CanSet() {
return fmt.Errorf("field %s cannot be set on %s", key, destVal.Type().Name())
}
fieldType := field.Type()
if field.IsValid() && field.CanSet() {
switch v := value.(type) {
case string:
// if the field is a pointer to a string, then we need to convert the string to a pointer
@ -915,9 +923,6 @@ func mapFieldValue(destVal reflect.Value, key string, value interface{}) error {
return fmt.Errorf("cannot convert %T to %s", value, fieldType)
}
}
} else {
return fmt.Errorf("field does not exist or cannot be set")
}
return nil
}

30
pkg/scraper/postprocessing.go
View file

@ -143,6 +143,21 @@ func (c Cache) postScrapeMovie(ctx context.Context, m models.ScrapedMovie, exclu
return nil, nil, err
}
// populate URL/URLs
// if URLs are provided, only use those
if len(m.URLs) > 0 {
m.URL = &m.URLs[0]
} else {
urls := []string{}
if m.URL != nil {
urls = append(urls, *m.URL)
}
if len(urls) > 0 {
m.URLs = urls
}
}
// post-process - set the image if applicable
if err := setMovieFrontImage(ctx, c.client, &m, c.globalConfig); err != nil {
logger.Warnf("could not set front image using URL %s: %v", *m.FrontImage, err)
@ -175,6 +190,21 @@ func (c Cache) postScrapeGroup(ctx context.Context, m models.ScrapedGroup, exclu
return nil, nil, err
}
// populate URL/URLs
// if URLs are provided, only use those
if len(m.URLs) > 0 {
m.URL = &m.URLs[0]
} else {
urls := []string{}
if m.URL != nil {
urls = append(urls, *m.URL)
}
if len(urls) > 0 {
m.URLs = urls
}
}
// post-process - set the image if applicable
if err := setGroupFrontImage(ctx, c.client, &m, c.globalConfig); err != nil {
logger.Warnf("could not set front image using URL %s: %v", *m.FrontImage, err)