Feat: create empty file in web panel (#305)

assets @ 538bd95a

-Subproject commit 6d23b07b7ae655d1ecba23c21a0482950587b4f0
+Subproject commit 538bd95a7ba1712bf8b079375d1aa419d803273a

routers/controllers/file.go

@@ -353,3 +353,14 @@ func SearchFile(c *gin.Context) {
 		c.JSON(200, ErrorResponse(err))
 	}
 }
+
+// CreateFile 创建空白文件
+func CreateFile(c *gin.Context) {
+	var service explorer.SingleFileService
+	if err := c.ShouldBindJSON(&service); err == nil {
+		res := service.Create(c)
+		c.JSON(200, res)
+	} else {
+		c.JSON(200, ErrorResponse(err))
+	}
+}

routers/router.go

@@ -445,6 +445,8 @@ func InitMasterRouter() *gin.Engine {
 				file.GET("upload/credential", controllers.GetUploadCredential)
 				// 更新文件
 				file.PUT("update/:id", controllers.PutContent)
+				// 创建空白文件
+				file.POST("create", controllers.CreateFile)
 				// 创建文件下载会话
 				file.PUT("download/:id", controllers.CreateDownloadSession)
 				// 预览文件

service/explorer/file.go

@@ -13,15 +13,18 @@ import (
 	"github.com/HFO4/cloudreve/pkg/serializer"
 	"github.com/gin-gonic/gin"
 	"github.com/jinzhu/gorm"
+	"io/ioutil"
 	"net/http"
 	"net/url"
+	"path"
 	"strconv"
+	"strings"
 	"time"
 )
 
 // SingleFileService 对单文件进行操作的五福，path为文件完整路径
 type SingleFileService struct {
-	Path string `uri:"path" binding:"required,min=1,max=65535"`
+	Path string `uri:"path" json:"path" binding:"required,min=1,max=65535"`
 }
 
 // FileIDService 通过文件ID对文件进行操作的服务
@@ -62,6 +65,39 @@ type SlaveListService struct {
 	Recursive bool   `json:"recursive"`
 }
 
+// New 创建新文件
+func (service *SingleFileService) Create(c *gin.Context) serializer.Response {
+	// 创建文件系统
+	fs, err := filesystem.NewFileSystemFromContext(c)
+	if err != nil {
+		return serializer.Err(serializer.CodePolicyNotAllowed, err.Error(), err)
+	}
+	defer fs.Recycle()
+
+	// 上下文
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	// 给文件系统分配钩子
+	fs.Use("BeforeUpload", filesystem.HookValidateFile)
+	fs.Use("AfterUpload", filesystem.GenericAfterUpload)
+
+	// 上传空文件
+	err = fs.Upload(ctx, local.FileStream{
+		File:        ioutil.NopCloser(strings.NewReader("")),
+		Size:        0,
+		VirtualPath: path.Dir(service.Path),
+		Name:        path.Base(service.Path),
+	})
+	if err != nil {
+		return serializer.Err(serializer.CodeUploadFailed, err.Error(), err)
+	}
+
+	return serializer.Response{
+		Code: 0,
+	}
+}
+
 // List 列出从机上的文件
 func (service *SlaveListService) List(c *gin.Context) serializer.Response {
 	// 创建文件系统