jx/internal/fan/package.go

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// Copyright 2024 Matthew Rich <matthewrich.conf@gmail.com>. All rights reserved.
package fan
import (
_ "context"
_ "encoding/json"
"fmt"
_ "gopkg.in/yaml.v3"
"net/url"
_ "path/filepath"
"decl/internal/data"
"decl/internal/resource"
"decl/internal/folio"
_ "os"
_ "io"
"log/slog"
)
type Package struct {
PackageType resource.PackageType `yaml:"type" json:"type"`
}
func NewPackage() *Package {
return &Package{ PackageType: resource.SystemPackageType }
}
func init() {
folio.DocumentRegistry.ConverterTypes.Register([]string{"package"}, func(u *url.URL) data.Converter {
p := NewPackage()
packageType := u.Query().Get("type")
if len(packageType) > 0 {
p.PackageType = resource.PackageType(packageType)
}
return p
})
}
func (p *Package) Type() data.TypeName { return "package" }
func (p *Package) Extract(sourceResource data.Resource, filter data.ElementSelector) (document data.Document, err error) {
slog.Info("fan.Package.Extract()", "package", p)
installedPackages := make([]*resource.Package, 0, 100)
cmd := p.PackageType.NewReadPackagesCommand()
if cmd == nil {
return document, fmt.Errorf("%w: %s", resource.ErrUnsupportedPackageType, p.PackageType)
}
var out []byte
if out, err = cmd.Execute(p); err == nil {
slog.Info("fan.Package.Extract()", "output", out)
if err = cmd.Extractor(out, &installedPackages); err == nil {
document = folio.DocumentRegistry.NewDocument("file://-")
for _, pkg := range installedPackages {
if pkg == nil {
pkg = resource.NewPackage()
}
if _, err = document.NewResource(pkg.URI()); err != nil {
return
}
}
}
}
slog.Info("fan.Package.Extract()", "output", out, "error", err)
return
}
func (p *Package) Emit(document data.Document, filter data.ElementSelector) (resourceTarget data.Resource, err error) {
return nil, data.ErrUnsupportedConversion
}
func (p *Package) Close() error {
return nil
}