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feat(thumb): generate and return sidecar thumb

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This commit is contained in:
Aaron Liu
2023-04-07 19:26:39 +08:00
parent 7cb5e68b78
commit 62b73b577b
12 changed files with 130 additions and 52 deletions
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10
pkg/thumb/pipeline.go
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@@ -12,7 +12,7 @@ import (
// Generator generates a thumbnail for a given reader.
type Generator interface {
Generate(file io.Reader, w io.Writer, name string, options map[string]string) error
Generate(file io.Reader, name string, options map[string]string) (string, error)
// Priority of execution order, smaller value means higher priority.
Priority() int
@@ -51,19 +51,19 @@ func RegisterGenerator(generator Generator) {
sort.Sort(Generators)
}
func (p GeneratorList) Generate(file io.Reader, w io.Writer, name string, options map[string]string) error {
func (p GeneratorList) Generate(file io.Reader, name string, options map[string]string) (string, error) {
for _, generator := range p {
if model.IsTrueVal(options[generator.EnableFlag()]) {
err := generator.Generate(file, w, name, options)
res, err := generator.Generate(file, name, options)
if errors.Is(err, ErrPassThrough) {
util.Log().Debug("Failed to generate thumbnail for %s: %s, passing through to next generator.", name, err)
continue
}
return err
return res, err
}
}
return ErrNotAvailable
return "", ErrNotAvailable
}
func (p GeneratorList) Priority() int {