Files
filekeeper/handler/upload/initialisation/initialisation.go

145 lines
3.8 KiB
Go

package initialisation
import (
"encoding/json"
"errors"
"fmt"
"github.com/fossyy/filekeeper/app"
"io"
"net/http"
"os"
"path/filepath"
"github.com/fossyy/filekeeper/types"
"github.com/fossyy/filekeeper/types/models"
"github.com/google/uuid"
"gorm.io/gorm"
)
func POST(w http.ResponseWriter, r *http.Request) {
userSession := r.Context().Value("user").(types.User)
body, err := io.ReadAll(r.Body)
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
return
}
var fileInfo types.FileInfo
if err := json.Unmarshal(body, &fileInfo); err != nil {
w.WriteHeader(http.StatusInternalServerError)
return
}
fileData, err := app.Server.Service.GetUserFile(fileInfo.Name, userSession.UserID.String())
if err != nil {
if errors.Is(err, gorm.ErrRecordNotFound) {
upload, err := handleNewUpload(userSession, fileInfo)
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
return
}
fileData = &types.FileWithDetail{
ID: fileData.ID,
OwnerID: fileData.OwnerID,
Name: fileData.Name,
Size: fileData.Size,
Downloaded: fileData.Downloaded,
}
fileData.Chunk = make(map[string]bool)
fileData.Done = true
saveFolder := filepath.Join("uploads", userSession.UserID.String(), fileData.ID.String(), fileData.Name)
for i := 0; i <= int(fileInfo.Chunk-1); i++ {
fileName := fmt.Sprintf("%s/chunk_%d", saveFolder, i)
if _, err := os.Stat(fileName); os.IsNotExist(err) {
fileData.Chunk[fmt.Sprintf("chunk_%d", i)] = false
fileData.Done = false
} else {
fileData.Chunk[fmt.Sprintf("chunk_%d", i)] = true
}
}
respondJSON(w, upload)
return
}
respondErrorJSON(w, err, http.StatusInternalServerError)
return
}
fileData.Chunk = make(map[string]bool)
fileData.Done = true
saveFolder := filepath.Join("uploads", userSession.UserID.String(), fileData.ID.String(), fileData.Name)
for i := 0; i <= int(fileInfo.Chunk-1); i++ {
fileName := fmt.Sprintf("%s/chunk_%d", saveFolder, i)
if _, err := os.Stat(fileName); os.IsNotExist(err) {
fileData.Chunk[fmt.Sprintf("chunk_%d", i)] = false
fileData.Done = false
} else {
fileData.Chunk[fmt.Sprintf("chunk_%d", i)] = true
}
}
respondJSON(w, fileData)
}
func handleNewUpload(user types.User, file types.FileInfo) (models.File, error) {
uploadDir := "uploads"
if _, err := os.Stat(uploadDir); os.IsNotExist(err) {
app.Server.Logger.Error(err.Error())
err := os.Mkdir(uploadDir, os.ModePerm)
if err != nil {
app.Server.Logger.Error(err.Error())
return models.File{}, err
}
}
fileID := uuid.New()
ownerID := user.UserID
currentDir, _ := os.Getwd()
basePath := filepath.Join(currentDir, uploadDir)
saveFolder := filepath.Join(basePath, ownerID.String(), fileID.String())
if filepath.Dir(saveFolder) != filepath.Join(basePath, ownerID.String()) {
return models.File{}, errors.New("invalid path")
}
err := os.MkdirAll(saveFolder, os.ModePerm)
if err != nil {
app.Server.Logger.Error(err.Error())
return models.File{}, err
}
newFile := models.File{
ID: fileID,
OwnerID: ownerID,
Name: file.Name,
Size: file.Size,
TotalChunk: file.Chunk - 1,
Downloaded: 0,
}
err = app.Server.Database.CreateFile(&newFile)
if err != nil {
app.Server.Logger.Error(err.Error())
return models.File{}, err
}
return newFile, nil
}
func respondJSON(w http.ResponseWriter, data interface{}) {
w.Header().Set("Content-Type", "application/json")
if err := json.NewEncoder(w).Encode(data); err != nil {
handleError(w, err, http.StatusInternalServerError)
}
}
func respondErrorJSON(w http.ResponseWriter, err error, statusCode int) {
w.WriteHeader(statusCode)
respondJSON(w, map[string]string{"error": err.Error()})
}
func handleError(w http.ResponseWriter, err error, statusCode int) {
http.Error(w, err.Error(), statusCode)
app.Server.Logger.Error(err.Error())
}