Add the MatterLock strategy.

rest/dav_service.go

@@ -282,15 +282,15 @@ func (this *DavService) HandleMkcol(writer http.ResponseWriter, request *http.Re
 	dirPath := GetDirOfPath(subPath)
 
 	//寻找符合条件的matter.
-	var matter *Matter
+	var dirMatter *Matter
 	//如果是空或者/就是请求根目录
 	if dirPath == "" || dirPath == "/" {
-		matter = NewRootMatter(user)
+		dirMatter = NewRootMatter(user)
 	} else {
-		matter = this.matterDao.checkByUserUuidAndPath(user.Uuid, dirPath)
+		dirMatter = this.matterDao.checkByUserUuidAndPath(user.Uuid, dirPath)
 	}
 
-	this.matterService.CreateDirectory(matter.Uuid, thisDirName, user)
+	this.matterService.CreateDirectory(dirMatter, thisDirName, user)
 
 }
 

rest/matter_controller.go

@@ -89,25 +89,6 @@ func (this *MatterController) Detail(writer http.ResponseWriter, request *http.R
 
 }
 
-//创建一个文件夹。
-func (this *MatterController) CreateDirectory(writer http.ResponseWriter, request *http.Request) *result.WebResult {
-
-	puuid := request.FormValue("puuid")
-
-	name := request.FormValue("name")
-
-	//管理员可以指定给某个用户创建文件夹。
-	userUuid := request.FormValue("userUuid")
-	user := this.checkUser(writer, request)
-	if user.Role != USER_ROLE_ADMINISTRATOR {
-		userUuid = user.Uuid
-	}
-	user = this.userDao.CheckByUuid(userUuid)
-
-	matter := this.matterService.CreateDirectory(puuid, name, user);
-	return this.Success(matter)
-}
-
 //按照分页的方式获取某个文件夹下文件和子文件夹的列表，通常情况下只有一页。
 func (this *MatterController) Page(writer http.ResponseWriter, request *http.Request) *result.WebResult {
 
@@ -189,6 +170,36 @@ func (this *MatterController) Page(writer http.ResponseWriter, request *http.Req
 	return this.Success(pager)
 }
 
+
+//创建一个文件夹。
+func (this *MatterController) CreateDirectory(writer http.ResponseWriter, request *http.Request) *result.WebResult {
+
+	puuid := request.FormValue("puuid")
+	name := request.FormValue("name")
+	userUuid := request.FormValue("userUuid")
+
+
+	//管理员可以指定给某个用户创建文件夹。
+	user := this.checkUser(writer, request)
+	if user.Role != USER_ROLE_ADMINISTRATOR {
+		userUuid = user.Uuid
+	}
+	user = this.userDao.CheckByUuid(userUuid)
+
+	//找到父级matter
+	var dirMatter *Matter
+	if puuid == MATTER_ROOT {
+		dirMatter = NewRootMatter(user)
+	} else {
+		dirMatter = this.matterDao.CheckByUuid(puuid)
+	}
+
+	matter := this.matterService.CreateDirectory(dirMatter, name, user);
+	return this.Success(matter)
+}
+
+
+
 //上传文件
 func (this *MatterController) Upload(writer http.ResponseWriter, request *http.Request) *result.WebResult {
 
@@ -334,7 +345,6 @@ func (this *MatterController) DeleteBatch(writer http.ResponseWriter, request *h
 	return this.Success("删除成功！")
 }
 
-
 //重命名一个文件或一个文件夹
 func (this *MatterController) Rename(writer http.ResponseWriter, request *http.Request) *result.WebResult {
 
@@ -350,7 +360,6 @@ func (this *MatterController) Rename(writer http.ResponseWriter, request *http.R
 		this.PanicUnauthorized("没有权限")
 	}
 
-
 	this.matterService.Rename(matter, name, user)
 
 	return this.Success(matter)

rest/matter_model.go

@@ -3,8 +3,15 @@ package rest
 import "tank/rest/util"
 
 const (
+	//根目录的uuid
 	MATTER_ROOT  = "root"
+	//cache文件夹名称
 	MATTER_CACHE = "cache"
+	//matter名称最大长度
+	MATTER_NAME_MAX_LENGTH = 200
+	//matter文件夹最大深度
+	MATTER_NAME_MAX_DEPTH = 32
+
 )
 
 /**

rest/matter_service.go

@@ -8,6 +8,7 @@ import (
 	"regexp"
 	"strings"
 	"tank/rest/download"
+	"tank/rest/result"
 )
 
 //@Service
@@ -132,69 +133,80 @@ func (this *MatterService) Detail(uuid string) *Matter {
 	return matter
 }
 
-//创建文件夹 返回刚刚创建的这个文件夹
+
-func (this *MatterService) CreateDirectory(puuid string, name string, user *User) *Matter {
+//在dirMatter中创建文件夹 返回刚刚创建的这个文件夹
+func (this *MatterService) CreateDirectory(dirMatter *Matter, name string, user *User) *Matter {
+
+	this.userService.MatterLock(user.Uuid)
+	defer this.userService.MatterUnlock(user.Uuid)
+
+	//父级matter必须存在
+	if dirMatter == nil {
+		panic(result.BadRequest("dirMatter必须指定"))
+	}
+
+	//必须是文件夹
+	if !dirMatter.Dir {
+		panic(result.BadRequest("dirMatter必须是文件夹"))
+	}
+
+	if dirMatter.UserUuid != user.Uuid {
+
+		panic(result.BadRequest("dirMatter的userUuid和user不一致"))
+	}
 
 	name = strings.TrimSpace(name)
 	//验证参数。
 	if name == "" {
-		this.PanicBadRequest("name参数必填，并且不能全是空格")
+		panic(result.BadRequest("name参数必填，并且不能全是空格"))
 	}
-	if len(name) > 200 {
+
-		panic("name长度不能超过200")
+	if len(name) > MATTER_NAME_MAX_LENGTH {
+
+		panic(result.BadRequest("name长度不能超过%d", MATTER_NAME_MAX_LENGTH))
+
 	}
 
 	if m, _ := regexp.MatchString(`[<>|*?/\\]`, name); m {
-		this.PanicBadRequest(`名称中不能包含以下特殊符号：< > | * ? / \`)
-	}
 
-	if puuid == "" {
+		panic(result.BadRequest(`名称中不能包含以下特殊符号：< > | * ? / \`))
-		panic("puuid必填")
 	}
 
-	//判断同级文件夹中是否有同名的文件。
+	//判断同级文件夹中是否有同名的文件夹
-	count := this.matterDao.CountByUserUuidAndPuuidAndDirAndName(user.Uuid, puuid, true, name)
+	count := this.matterDao.CountByUserUuidAndPuuidAndDirAndName(user.Uuid, dirMatter.Uuid, true, name)
 
 	if count > 0 {
-		this.PanicBadRequest("【" + name + "】已经存在了，请使用其他名称。")
+
+		panic(result.BadRequest("%s 已经存在了，请使用其他名称。", name))
 	}
 
-	path := fmt.Sprintf("/%s", name)
+	parts := strings.Split(dirMatter.Path,"/")
-	if puuid != MATTER_ROOT {
+	this.logger.Info("%s的层数：%d",dirMatter.Name,len(parts))
-		//验证目标文件夹存在。
-		this.matterDao.CheckByUuidAndUserUuid(puuid, user.Uuid)
 
-		//获取上级的详情
+	if len(parts) >= 32{
-		pMatter := this.Detail(puuid)
+		panic(result.BadRequest("文件夹最多%d层", MATTER_NAME_MAX_DEPTH))
+	}
 
-		//根据父目录拼接处子目录
+	//绝对路径
-		path = fmt.Sprintf("%s/%s", pMatter.Path, name)
+	absolutePath := GetUserFileRootDir(user.Username) + dirMatter.Path + "/" + name
 
-		//文件夹最多只能有32层。
+	//相对路径
-		count := 1
+	relativePath := dirMatter.Path + "/" + name
-		tmpMatter := pMatter
-		for tmpMatter != nil {
-			count++
-			tmpMatter = tmpMatter.Parent
-		}
-		if count >= 32 {
-			panic("文件夹最多32层")
-		}
-	}
 
 	//磁盘中创建文件夹。
-	dirPath := MakeDirAll(GetUserFileRootDir(user.Username) + path)
+	dirPath := MakeDirAll(absolutePath)
 	this.logger.Info("Create Directory: %s", dirPath)
 
 	//数据库中创建文件夹。
 	matter := &Matter{
-		Puuid:    puuid,
+		Puuid:    dirMatter.Uuid,
 		UserUuid: user.Uuid,
 		Username: user.Username,
 		Dir:      true,
 		Name:     name,
-		Path:     path,
+		Path:     relativePath,
 	}
+
 	matter = this.matterDao.Create(matter)
 
 	return matter

rest/result/web_result.go

@@ -1,6 +1,9 @@
 package result
 
-import "net/http"
+import (
+	"fmt"
+	"net/http"
+)
 
 type WebResult struct {
 	Code string      `json:"code"`
@@ -89,10 +92,15 @@ func CustomWebResult(codeWrapper *CodeWrapper, description string) *WebResult {
 	return wr
 }
 
+//请求参数有问题
+func BadRequest(format string, v ...interface{}) *WebResult {
+	return CustomWebResult(CODE_WRAPPER_BAD_REQUEST, fmt.Sprintf(format, v...))
+}
+
 //所有的数据库错误情况
 var (
 	DB_ERROR_DUPLICATE_KEY  = "Error 1062: Duplicate entry"
 	DB_ERROR_NOT_FOUND      = "record not found"
 	DB_TOO_MANY_CONNECTIONS = "Error 1040: Too many connections"
-	DB_BAD_CONNECTION = "driver: bad connection"
+	DB_BAD_CONNECTION       = "driver: bad connection"
 )