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legacy.go
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legacy.go
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package store
import (
"bytes"
"context"
"encoding/json"
"io"
"path/filepath"
"sort"
"strings"
"github.com/gobuffalo/genny"
"github.com/gobuffalo/gogen"
"github.com/gobuffalo/packr/v2/jam/parser"
"github.com/gobuffalo/packr/v2/plog"
)
var _ Store = &Legacy{}
type Legacy struct {
*Disk
boxes map[string][]legacyBox
}
func NewLegacy() *Legacy {
return &Legacy{
Disk: NewDisk("", ""),
boxes: map[string][]legacyBox{},
}
}
func (l *Legacy) Pack(box *parser.Box) error {
files, err := l.Files(box)
if err != nil {
return err
}
var fcs []legacyFile
for _, f := range files {
n := strings.TrimPrefix(f.Name(), box.AbsPath+string(filepath.Separator))
c, err := l.prepFile(f)
if err != nil {
return err
}
fcs = append(fcs, legacyFile{Name: n, Contents: c})
}
sort.Slice(fcs, func(a, b int) bool {
return fcs[a].Name < fcs[b].Name
})
lbs := l.boxes[box.PackageDir]
lbs = append(lbs, legacyBox{
Box: box,
Files: fcs,
})
l.boxes[box.PackageDir] = lbs
return nil
// run := genny.WetRunner(context.Background())
// if err := run.WithNew(l.Generator(box)); err != nil {
// return err
// }
// run.Logger = plog.Logger
// return run.Run()
}
func (l *Legacy) prepFile(r io.Reader) (string, error) {
bb := &bytes.Buffer{}
if _, err := io.Copy(bb, r); err != nil {
return "", err
}
b, err := json.Marshal(bb.Bytes())
if err != nil {
return "", err
}
return strings.Replace(string(b), "\"", "\\\"", -1), nil
}
func (l *Legacy) Generator() (*genny.Generator, error) {
g := genny.New()
for _, b := range l.boxes {
if len(b) == 0 {
continue
}
bx := b[0].Box
pkg := bx.Package
opts := map[string]interface{}{
"Package": pkg,
"Boxes": b,
}
f := genny.NewFile(filepath.Join(bx.PackageDir, "a_"+bx.Package+"-packr.go.tmpl"), strings.NewReader(legacyTmpl))
t := gogen.TemplateTransformer(opts, nil)
f, err := t.Transform(f)
if err != nil {
return g, err
}
g.File(f)
}
return g, nil
}
func (l *Legacy) Close() error {
run := genny.WetRunner(context.Background())
if err := run.WithNew(l.Generator()); err != nil {
return err
}
run.Logger = plog.Logger
return run.Run()
}
type legacyBox struct {
Box *parser.Box
Files []legacyFile
}
type legacyFile struct {
Name string
Contents string
}
var legacyTmpl = `// Code generated by github.com/gobuffalo/packr. DO NOT EDIT.
package {{.Package}}
import "github.com/gobuffalo/packr"
// You can use the "packr clean" command to clean up this,
// and any other packr generated files.
func init() {
{{- range $box := .Boxes }}
{{- range $box.Files }}
packr.PackJSONBytes("{{$box.Box.Name}}", "{{.Name}}", "{{.Contents}}")
{{- end }}
{{- end }}
}
`