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package model
import (
"encoding/json"
"io"
"io/ioutil"
"os"
"path/filepath"
"gopkg.in/yaml.v2"
)
type Manifest struct {
Id string `json:"id" yaml:"id"`
Name string `json:"name,omitempty" yaml:"name,omitempty"`
Description string `json:"description,omitempty" yaml:"description,omitempty"`
Version string `json:"version" yaml:"version"`
Backend *ManifestBackend `json:"backend,omitempty" yaml:"backend,omitempty"`
Webapp *ManifestWebapp `json:"webapp,omitempty" yaml:"webapp,omitempty"`
}
type ManifestBackend struct {
Executable string `json:"executable" yaml:"executable"`
}
type ManifestWebapp struct {
BundlePath string `json:"bundle_path" yaml:"bundle_path"`
}
func (m *Manifest) ToJson() string {
b, err := json.Marshal(m)
if err != nil {
return ""
} else {
return string(b)
}
}
func ManifestListToJson(m []*Manifest) string {
b, err := json.Marshal(m)
if err != nil {
return ""
} else {
return string(b)
}
}
func ManifestFromJson(data io.Reader) *Manifest {
decoder := json.NewDecoder(data)
var m Manifest
err := decoder.Decode(&m)
if err == nil {
return &m
} else {
return nil
}
}
func ManifestListFromJson(data io.Reader) []*Manifest {
decoder := json.NewDecoder(data)
var manifests []*Manifest
err := decoder.Decode(&manifests)
if err == nil {
return manifests
} else {
return nil
}
}
func (m *Manifest) HasClient() bool {
return m.Webapp != nil
}
func (m *Manifest) ClientManifest() *Manifest {
cm := new(Manifest)
*cm = *m
cm.Name = ""
cm.Description = ""
cm.Backend = nil
return cm
}
// FindManifest will find and parse the manifest in a given directory.
//
// In all cases other than a does-not-exist error, path is set to the path of the manifest file that was
// found.
//
// Manifests are JSON or YAML files named plugin.json, plugin.yaml, or plugin.yml.
func FindManifest(dir string) (manifest *Manifest, path string, err error) {
for _, name := range []string{"plugin.yml", "plugin.yaml"} {
path = filepath.Join(dir, name)
f, ferr := os.Open(path)
if ferr != nil {
if !os.IsNotExist(ferr) {
err = ferr
return
}
continue
}
b, ioerr := ioutil.ReadAll(f)
f.Close()
if ioerr != nil {
err = ioerr
return
}
var parsed Manifest
err = yaml.Unmarshal(b, &parsed)
if err != nil {
return
}
manifest = &parsed
return
}
path = filepath.Join(dir, "plugin.json")
f, ferr := os.Open(path)
if ferr != nil {
if os.IsNotExist(ferr) {
path = ""
}
err = ferr
return
}
defer f.Close()
var parsed Manifest
err = json.NewDecoder(f).Decode(&parsed)
if err != nil {
return
}
manifest = &parsed
return
}
|
