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file.go
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file.go
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package model
import (
"bytes"
"fmt"
"os"
"sync"
"github.com/google/uuid"
"github.com/sirupsen/logrus"
)
// FileStore struct
type FileStore struct {
mutex sync.RWMutex
folder string
files map[string]*FileInfo
}
// FileInfo struct
type FileInfo struct {
ID string
Path string
Type string
}
// NewFileStore struct
func NewFileStore(folder string) *FileStore {
return &FileStore{
folder: folder,
files: make(map[string]*FileInfo),
}
}
// Store meth for store a new file into blog service
func (f *FileStore) Store(folder string, fileType string, file bytes.Buffer) (*FileInfo, error) {
// generate new UUID
id, err := uuid.NewRandom()
if err != nil {
logrus.Warn(fmt.Sprintf("Error in Store a new File ID: %s - Type: %s - Error: %v", id, fileType, err))
return nil, err
}
// take default path for file
path := fmt.Sprintf("%s/%s%s", folder, id, fileType)
// create file
oFile, err := os.Create(path)
if err != nil {
logrus.Warn(fmt.Sprintf("Error in os.Create for a new File ID: %s - Type: %s - Error: %v", id, fileType, err))
return nil, err
}
// write and upload file
if _, err := file.WriteTo(oFile); err != nil {
logrus.Warn(fmt.Sprintf("Error in file.WriteTo os.Created File ID: %s - Type: %s - Error: %v", id, fileType, err))
return nil, err
}
f.mutex.Lock()
defer f.mutex.Unlock()
// make new file result
f.files[id.String()] = &FileInfo{
ID: id.String(),
Type: fileType,
Path: path,
}
return f.files[id.String()], nil
}