erp_server/config/file/file.go
2022-10-09 11:39:33 +08:00

76 lines
1.4 KiB
Go

package file
import (
"gitee.com/codinl/erp_server/config/internal"
"io/ioutil"
"os"
"path/filepath"
"strings"
)
var _ internal.Source = (*file)(nil)
type file struct {
path string
}
// NewSource new a file source.
func NewSource(path string) internal.Source {
return &file{path: path}
}
func (f *file) loadFile(path string) (*internal.KeyValue, error) {
file, err := os.Open(path)
if err != nil {
return nil, err
}
defer file.Close()
data, err := ioutil.ReadAll(file)
if err != nil {
return nil, err
}
info, err := file.Stat()
if err != nil {
return nil, err
}
return &internal.KeyValue{
Key: info.Name(),
Format: format(info.Name()),
Value: data,
}, nil
}
func (f *file) loadDir(path string) (kvs []*internal.KeyValue, err error) {
files, err := ioutil.ReadDir(f.path)
if err != nil {
return nil, err
}
for _, file := range files {
// ignore hidden files
if file.IsDir() || strings.HasPrefix(file.Name(), ".") {
continue
}
kv, err := f.loadFile(filepath.Join(f.path, file.Name()))
if err != nil {
return nil, err
}
kvs = append(kvs, kv)
}
return
}
func (f *file) Load() (kvs []*internal.KeyValue, err error) {
fi, err := os.Stat(f.path)
if err != nil {
return nil, err
}
if fi.IsDir() {
return f.loadDir(f.path)
}
kv, err := f.loadFile(f.path)
if err != nil {
return nil, err
}
return []*internal.KeyValue{kv}, nil
}