/
file_store.go
90 lines (74 loc) · 1.64 KB
/
file_store.go
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package core
import (
"bytes"
"fmt"
"io/ioutil"
"os"
"sync"
)
type FileStore interface {
Save(fileId string, fileType string, binaryData bytes.Buffer) (string, error)
}
type DiskStore struct {
mutex sync.RWMutex
folder string
files map[string]*FileInfo
}
type FileInfo struct {
FileId string
Type string
Path string
}
func NewDiskStore(folder string) *DiskStore {
return &DiskStore{
folder: folder,
files: make(map[string]*FileInfo),
}
}
func (store *DiskStore) Save(fileId string, fileType string, binaryData bytes.Buffer) (string, error) {
var filePath string
if fileType == "public" {
filePath = fmt.Sprintf("%s/public/%s", store.folder, fileId)
} else {
filePath = fmt.Sprintf("%s/%s", store.folder, fileId)
}
file, err := os.Create(filePath)
if err != nil {
return "", fmt.Errorf("cannot create file: %w", err)
}
_, err = binaryData.WriteTo(file)
if err != nil {
return "", fmt.Errorf("cannot write file: %w", err)
}
store.mutex.Lock()
defer store.mutex.Unlock()
store.files[fileId] = &FileInfo{
FileId: fileId,
Type: fileType,
Path: filePath,
}
// make an public/listing.txt
publicDir := fmt.Sprintf("%s/public", store.folder)
indexTxt := fmt.Sprintf("%s/public/index.txt", store.folder)
files, err := ioutil.ReadDir(publicDir)
if err != nil {
fmt.Println(err)
return fileId, nil
}
f, err := os.Create(indexTxt)
if err != nil {
fmt.Println(err)
f.Close()
return fileId, nil
}
for _, file := range files {
_, _ = fmt.Fprintln(f, file.Name())
}
err = f.Close()
if err != nil {
fmt.Println(err)
return fileId, nil
}
fmt.Println("index.txt created")
return fileId, nil
}