1337 lines
34 KiB
Go
1337 lines
34 KiB
Go
package rest
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import (
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"archive/zip"
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"fmt"
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"github.com/eyebluecn/tank/code/core"
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"github.com/eyebluecn/tank/code/tool/builder"
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"github.com/eyebluecn/tank/code/tool/download"
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"github.com/eyebluecn/tank/code/tool/i18n"
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"github.com/eyebluecn/tank/code/tool/result"
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"github.com/eyebluecn/tank/code/tool/util"
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"io"
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"io/ioutil"
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"net/http"
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"os"
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"path"
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"path/filepath"
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"regexp"
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"strings"
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"time"
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)
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/**
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* Methods start with Atomic has Lock. These method cannot be invoked by other Atomic Methods.
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*/
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//@Service
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type MatterService struct {
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BaseBean
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matterDao *MatterDao
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userDao *UserDao
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userService *UserService
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imageCacheDao *ImageCacheDao
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imageCacheService *ImageCacheService
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preferenceService *PreferenceService
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}
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func (this *MatterService) Init() {
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this.BaseBean.Init()
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b := core.CONTEXT.GetBean(this.matterDao)
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if b, ok := b.(*MatterDao); ok {
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this.matterDao = b
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}
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b = core.CONTEXT.GetBean(this.userDao)
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if b, ok := b.(*UserDao); ok {
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this.userDao = b
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}
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b = core.CONTEXT.GetBean(this.userService)
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if b, ok := b.(*UserService); ok {
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this.userService = b
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}
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b = core.CONTEXT.GetBean(this.imageCacheDao)
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if b, ok := b.(*ImageCacheDao); ok {
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this.imageCacheDao = b
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}
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b = core.CONTEXT.GetBean(this.imageCacheService)
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if b, ok := b.(*ImageCacheService); ok {
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this.imageCacheService = b
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}
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b = core.CONTEXT.GetBean(this.preferenceService)
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if b, ok := b.(*PreferenceService); ok {
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this.preferenceService = b
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}
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}
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//Download. Support chunk download.
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func (this *MatterService) DownloadFile(
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writer http.ResponseWriter,
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request *http.Request,
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filePath string,
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filename string,
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withContentDisposition bool) {
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download.DownloadFile(writer, request, filePath, filename, withContentDisposition)
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}
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//Download specified matters. matters must have the same puuid.
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func (this *MatterService) DownloadZip(
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writer http.ResponseWriter,
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request *http.Request,
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matters []*Matter) {
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if matters == nil || len(matters) == 0 {
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panic(result.BadRequest("matters cannot be nil."))
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}
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userUuid := matters[0].UserUuid
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puuid := matters[0].Puuid
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for _, m := range matters {
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if m.UserUuid != userUuid {
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panic(result.BadRequest("userUuid not same"))
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} else if m.Puuid != puuid {
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panic(result.BadRequest("puuid not same"))
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}
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}
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preference := this.preferenceService.Fetch()
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//count the num of files will be downloaded.
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var count int64 = 0
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for _, matter := range matters {
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count = count + this.matterDao.CountByUserUuidAndPath(matter.UserUuid, matter.Path)
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}
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if preference.DownloadDirMaxNum >= 0 {
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if count > preference.DownloadDirMaxNum {
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panic(result.BadRequestI18n(request, i18n.MatterSelectNumExceedLimit, count, preference.DownloadDirMaxNum))
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}
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}
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//count the size of files will be downloaded.
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var sumSize int64 = 0
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for _, matter := range matters {
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sumSize = sumSize + this.matterDao.SumSizeByUserUuidAndPath(matter.UserUuid, matter.Path)
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}
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if preference.DownloadDirMaxSize >= 0 {
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if sumSize > preference.DownloadDirMaxSize {
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panic(result.BadRequestI18n(request, i18n.MatterSelectSizeExceedLimit, util.HumanFileSize(sumSize), util.HumanFileSize(preference.DownloadDirMaxSize)))
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}
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}
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//prepare the temp zip dir
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destZipDirPath := fmt.Sprintf("%s/%d", GetUserZipRootDir(matters[0].Username), time.Now().UnixNano()/1e6)
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util.MakeDirAll(destZipDirPath)
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destZipName := fmt.Sprintf("%s.zip", matters[0].Name)
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if len(matters) > 1 || !matters[0].Dir {
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destZipName = "archive.zip"
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}
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destZipPath := fmt.Sprintf("%s/%s", destZipDirPath, destZipName)
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this.zipMatters(request, matters, destZipPath)
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download.DownloadFile(writer, request, destZipPath, destZipName, true)
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//delete the temp zip file.
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err := os.Remove(destZipPath)
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if err != nil {
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this.logger.Error("error while deleting zip file %s", err.Error())
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}
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util.DeleteEmptyDir(destZipDirPath)
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}
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//zip matters.
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func (this *MatterService) zipMatters(request *http.Request, matters []*Matter, destPath string) {
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if util.PathExists(destPath) {
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panic(result.BadRequest("%s exists", destPath))
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}
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//matters must have the same puuid.
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if matters == nil || len(matters) == 0 {
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panic(result.BadRequest("matters cannot be nil."))
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}
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userUuid := matters[0].UserUuid
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puuid := matters[0].Puuid
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baseDirPath := util.GetDirOfPath(matters[0].AbsolutePath()) + "/"
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for _, m := range matters {
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if m.UserUuid != userUuid {
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panic(result.BadRequest("userUuid not same"))
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} else if m.Puuid != puuid {
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panic(result.BadRequest("puuid not same"))
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}
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}
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//wrap children for every matter.
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for _, m := range matters {
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this.WrapChildrenDetail(request, m)
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}
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// create temp zip file.
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fileWriter, err := os.Create(destPath)
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this.PanicError(err)
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defer func() {
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err := fileWriter.Close()
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this.PanicError(err)
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}()
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zipWriter := zip.NewWriter(fileWriter)
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defer func() {
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err := zipWriter.Close()
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this.PanicError(err)
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}()
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//DFS algorithm
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var walkFunc func(matter *Matter)
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walkFunc = func(matter *Matter) {
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path := matter.AbsolutePath()
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fileInfo, err := os.Stat(path)
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this.PanicError(err)
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// Create file info.
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fileHeader, err := zip.FileInfoHeader(fileInfo)
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this.PanicError(err)
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// Trim the baseDirPath
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fileHeader.Name = strings.TrimPrefix(path, baseDirPath)
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// directory has prefix /
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if matter.Dir {
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fileHeader.Name += "/"
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}
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writer, err := zipWriter.CreateHeader(fileHeader)
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this.PanicError(err)
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// only regular file has things to write.
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if fileHeader.Mode().IsRegular() {
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fileToBeZip, err := os.Open(path)
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defer func() {
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err = fileToBeZip.Close()
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this.PanicError(err)
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}()
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this.PanicError(err)
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_, err = io.Copy(writer, fileToBeZip)
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this.PanicError(err)
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}
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//dfs.
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for _, m := range matter.Children {
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walkFunc(m)
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}
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}
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for _, m := range matters {
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walkFunc(m)
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}
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}
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//delete files.
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func (this *MatterService) Delete(request *http.Request, matter *Matter, user *User) {
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if matter == nil {
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panic(result.BadRequest("matter cannot be nil"))
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}
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this.matterDao.Delete(matter)
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//re compute the size of Route.
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this.ComputeRouteSize(matter.Puuid, user)
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}
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//soft delete files.
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func (this *MatterService) SoftDelete(request *http.Request, matter *Matter, user *User) {
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if matter == nil {
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panic(result.BadRequest("matter cannot be nil"))
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}
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if matter.Deleted {
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panic(result.BadRequest("matter has been deleted"))
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}
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this.matterDao.SoftDelete(matter)
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//no need to recompute size.
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}
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//recovery delete files.
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func (this *MatterService) Recovery(request *http.Request, matter *Matter, user *User) {
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if matter == nil {
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panic(result.BadRequest("matter cannot be nil"))
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}
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if !matter.Deleted {
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panic(result.BadRequest("matter has not been deleted"))
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}
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this.matterDao.Recovery(matter)
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//no need to recompute size.
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}
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//atomic delete files
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func (this *MatterService) AtomicDelete(request *http.Request, matter *Matter, user *User) {
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if matter == nil {
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panic(result.BadRequest("matter cannot be nil"))
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}
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//lock
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this.userService.MatterLock(matter.UserUuid)
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defer this.userService.MatterUnlock(matter.UserUuid)
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this.Delete(request, matter, user)
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}
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//atomic soft delete files
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func (this *MatterService) AtomicSoftDelete(request *http.Request, matter *Matter, user *User) {
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if matter == nil {
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panic(result.BadRequest("matter cannot be nil"))
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}
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if matter.Deleted {
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panic(result.BadRequest("matter has been deleted"))
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}
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//lock
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this.userService.MatterLock(matter.UserUuid)
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defer this.userService.MatterUnlock(matter.UserUuid)
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//if disabled the recycle feature. then we hard delete.
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preference := this.preferenceService.Fetch()
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if preference.DeletedKeepDays == 0 {
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this.Delete(request, matter, user)
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} else {
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this.SoftDelete(request, matter, user)
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}
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}
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//atomic recovery delete files
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func (this *MatterService) AtomicRecovery(request *http.Request, matter *Matter, user *User) {
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if matter == nil {
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panic(result.BadRequest("matter cannot be nil"))
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}
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if !matter.Deleted {
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panic(result.BadRequest("matter has not been deleted"))
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}
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//lock
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this.userService.MatterLock(matter.UserUuid)
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defer this.userService.MatterUnlock(matter.UserUuid)
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this.Recovery(request, matter, user)
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}
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//upload files.
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func (this *MatterService) Upload(request *http.Request, file io.Reader, user *User, dirMatter *Matter, filename string, privacy bool) *Matter {
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||
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if user == nil {
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panic(result.BadRequest("user cannot be nil."))
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||
}
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||
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if dirMatter == nil {
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panic(result.BadRequest("dirMatter cannot be nil."))
|
||
}
|
||
|
||
if dirMatter.Deleted {
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||
panic(result.BadRequest("Dir has been deleted. Cannot upload under it."))
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}
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||
|
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if len(filename) > MATTER_NAME_MAX_LENGTH {
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panic(result.BadRequestI18n(request, i18n.MatterNameLengthExceedLimit, len(filename), MATTER_NAME_MAX_LENGTH))
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}
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||
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dirAbsolutePath := dirMatter.AbsolutePath()
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||
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||
count := this.matterDao.CountByUserUuidAndPuuidAndDirAndName(user.Uuid, dirMatter.Uuid, false, filename)
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if count > 0 {
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||
panic(result.BadRequestI18n(request, i18n.MatterExist, filename))
|
||
}
|
||
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||
fileAbsolutePath := dirAbsolutePath + "/" + filename
|
||
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util.MakeDirAll(dirAbsolutePath)
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||
|
||
//if exist, overwrite it.
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||
exist := util.PathExists(fileAbsolutePath)
|
||
if exist {
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this.logger.Error("%s exits, overwrite it.", fileAbsolutePath)
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removeError := os.Remove(fileAbsolutePath)
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this.PanicError(removeError)
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||
}
|
||
|
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destFile, err := os.OpenFile(fileAbsolutePath, os.O_WRONLY|os.O_CREATE, 0777)
|
||
this.PanicError(err)
|
||
|
||
defer func() {
|
||
err := destFile.Close()
|
||
this.PanicError(err)
|
||
}()
|
||
|
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fileSize, err := io.Copy(destFile, file)
|
||
this.PanicError(err)
|
||
|
||
this.logger.Info("upload %s %v ", filename, util.HumanFileSize(fileSize))
|
||
|
||
//check the size limit.
|
||
if user.SizeLimit >= 0 {
|
||
if fileSize > user.SizeLimit {
|
||
//delete the file on disk.
|
||
err = os.Remove(fileAbsolutePath)
|
||
this.PanicError(err)
|
||
|
||
panic(result.BadRequestI18n(request, i18n.MatterSizeExceedLimit, util.HumanFileSize(fileSize), util.HumanFileSize(user.SizeLimit)))
|
||
}
|
||
}
|
||
|
||
//check total size.
|
||
if user.TotalSizeLimit >= 0 {
|
||
if user.TotalSize+fileSize > user.TotalSizeLimit {
|
||
|
||
//delete the file on disk.
|
||
err = os.Remove(fileAbsolutePath)
|
||
this.PanicError(err)
|
||
|
||
panic(result.BadRequestI18n(request, i18n.MatterSizeExceedTotalLimit, util.HumanFileSize(user.TotalSize), util.HumanFileSize(user.TotalSizeLimit)))
|
||
}
|
||
}
|
||
|
||
matter := this.createNonDirMatter(dirMatter, filename, fileSize, privacy, user)
|
||
|
||
return matter
|
||
}
|
||
|
||
// create a non dir matter.
|
||
func (this *MatterService) createNonDirMatter(dirMatter *Matter, filename string, fileSize int64, privacy bool, user *User) *Matter {
|
||
dirRelativePath := dirMatter.Path
|
||
fileRelativePath := dirRelativePath + "/" + filename
|
||
|
||
//write to db.
|
||
matter := &Matter{
|
||
Puuid: dirMatter.Uuid,
|
||
UserUuid: user.Uuid,
|
||
Username: user.Username,
|
||
Dir: false,
|
||
Name: filename,
|
||
Md5: "",
|
||
Size: fileSize,
|
||
Privacy: privacy,
|
||
Path: fileRelativePath,
|
||
Prop: EMPTY_JSON_MAP,
|
||
VisitTime: time.Now(),
|
||
}
|
||
matter = this.matterDao.Create(matter)
|
||
|
||
//compute the size of directory
|
||
go core.RunWithRecovery(func() {
|
||
this.ComputeRouteSize(dirMatter.Uuid, user)
|
||
})
|
||
|
||
return matter
|
||
}
|
||
|
||
// create a non dir matter.
|
||
func (this *MatterService) updateNonDirMatter(matter *Matter, fileSize int64, user *User) *Matter {
|
||
|
||
matter.Size = fileSize
|
||
|
||
matter = this.matterDao.Save(matter)
|
||
|
||
//compute the size of directory
|
||
go core.RunWithRecovery(func() {
|
||
this.ComputeRouteSize(matter.Puuid, user)
|
||
})
|
||
|
||
return matter
|
||
}
|
||
|
||
// compute route size. It will compute upward until root directory
|
||
func (this *MatterService) ComputeRouteSize(matterUuid string, user *User) {
|
||
|
||
//if to root directory, then update to user's info.
|
||
if matterUuid == MATTER_ROOT {
|
||
|
||
size := this.matterDao.SizeByPuuidAndUserUuid(MATTER_ROOT, user.Uuid)
|
||
|
||
db := core.CONTEXT.GetDB().Model(&User{}).Where("uuid = ?", user.Uuid).Update("total_size", size)
|
||
this.PanicError(db.Error)
|
||
|
||
//update user total size info in cache.
|
||
user.TotalSize = size
|
||
|
||
return
|
||
}
|
||
|
||
matter := this.matterDao.CheckByUuid(matterUuid)
|
||
|
||
//only compute dir
|
||
if matter.Dir {
|
||
//compute the total size.
|
||
size := this.matterDao.SizeByPuuidAndUserUuid(matterUuid, user.Uuid)
|
||
|
||
//when changed, we update
|
||
if matter.Size != size {
|
||
db := core.CONTEXT.GetDB().Model(&Matter{}).Where("uuid = ?", matterUuid).Update("size", size)
|
||
this.PanicError(db.Error)
|
||
}
|
||
|
||
}
|
||
|
||
//update parent recursively.
|
||
this.ComputeRouteSize(matter.Puuid, user)
|
||
}
|
||
|
||
// compute all dir's size.
|
||
func (this *MatterService) ComputeAllDirSize(user *User) {
|
||
|
||
this.logger.Info("Compute all dir's size for user %s %s", user.Uuid, user.Username)
|
||
|
||
rootMatter := NewRootMatter(user)
|
||
this.ComputeDirSize(rootMatter, user)
|
||
}
|
||
|
||
// compute a dir's size.
|
||
func (this *MatterService) ComputeDirSize(dirMatter *Matter, user *User) {
|
||
|
||
this.logger.Info("Compute dir's size %s %s", dirMatter.Uuid, dirMatter.Name)
|
||
|
||
//update sub dir first
|
||
childrenDirMatters := this.matterDao.FindByUserUuidAndPuuidAndDirTrue(user.Uuid, dirMatter.Uuid)
|
||
for _, childrenDirMatter := range childrenDirMatters {
|
||
this.ComputeDirSize(childrenDirMatter, user)
|
||
}
|
||
|
||
//if to root directory, then update to user's info.
|
||
if dirMatter.Uuid == MATTER_ROOT {
|
||
|
||
size := this.matterDao.SizeByPuuidAndUserUuid(MATTER_ROOT, user.Uuid)
|
||
|
||
db := core.CONTEXT.GetDB().Model(&User{}).Where("uuid = ?", user.Uuid).Update("total_size", size)
|
||
this.PanicError(db.Error)
|
||
|
||
//update user total size info in cache.
|
||
user.TotalSize = size
|
||
} else {
|
||
|
||
//compute self.
|
||
size := this.matterDao.SizeByPuuidAndUserUuid(dirMatter.Uuid, user.Uuid)
|
||
|
||
//when changed, we update
|
||
if dirMatter.Size != size {
|
||
db := core.CONTEXT.GetDB().Model(&Matter{}).Where("uuid = ?", dirMatter.Uuid).Update("size", size)
|
||
this.PanicError(db.Error)
|
||
}
|
||
}
|
||
|
||
}
|
||
|
||
//inner create directory.
|
||
func (this *MatterService) createDirectory(request *http.Request, dirMatter *Matter, name string, user *User) *Matter {
|
||
|
||
if dirMatter == nil {
|
||
panic(result.BadRequest("dirMatter cannot be nil"))
|
||
}
|
||
|
||
if !dirMatter.Dir {
|
||
panic(result.BadRequest("dirMatter must be directory"))
|
||
}
|
||
|
||
if dirMatter.Deleted {
|
||
panic(result.BadRequest("Dir has been deleted. Cannot create dir under it."))
|
||
}
|
||
|
||
if dirMatter.UserUuid != user.Uuid {
|
||
|
||
panic(result.BadRequest("file's user not the same"))
|
||
}
|
||
|
||
name = strings.TrimSpace(name)
|
||
if name == "" {
|
||
panic(result.BadRequest("name cannot be blank"))
|
||
}
|
||
|
||
if len(name) > MATTER_NAME_MAX_LENGTH {
|
||
|
||
panic(result.BadRequestI18n(request, i18n.MatterNameLengthExceedLimit, len(name), MATTER_NAME_MAX_LENGTH))
|
||
|
||
}
|
||
|
||
if m, _ := regexp.MatchString(MATTER_NAME_PATTERN, name); m {
|
||
panic(result.BadRequestI18n(request, i18n.MatterNameContainSpecialChars))
|
||
}
|
||
|
||
//if exist. return.
|
||
matter := this.matterDao.FindByUserUuidAndPuuidAndDirAndName(user.Uuid, dirMatter.Uuid, TRUE, name)
|
||
if matter != nil {
|
||
return matter
|
||
}
|
||
|
||
parts := strings.Split(dirMatter.Path, "/")
|
||
|
||
if len(parts) > MATTER_NAME_MAX_DEPTH {
|
||
panic(result.BadRequestI18n(request, i18n.MatterDepthExceedLimit, len(parts), MATTER_NAME_MAX_DEPTH))
|
||
}
|
||
|
||
absolutePath := GetUserMatterRootDir(user.Username) + dirMatter.Path + "/" + name
|
||
|
||
relativePath := dirMatter.Path + "/" + name
|
||
|
||
//crate directory on disk.
|
||
dirPath := util.MakeDirAll(absolutePath)
|
||
this.logger.Info("Create Directory: %s", dirPath)
|
||
|
||
//create in db
|
||
matter = &Matter{
|
||
Puuid: dirMatter.Uuid,
|
||
UserUuid: user.Uuid,
|
||
Username: user.Username,
|
||
Dir: true,
|
||
Name: name,
|
||
Path: relativePath,
|
||
VisitTime: time.Now(),
|
||
}
|
||
|
||
matter = this.matterDao.Create(matter)
|
||
|
||
return matter
|
||
}
|
||
|
||
func (this *MatterService) AtomicCreateDirectory(request *http.Request, dirMatter *Matter, name string, user *User) *Matter {
|
||
|
||
if dirMatter.Deleted {
|
||
panic(result.BadRequest("Dir has been deleted. Cannot create sub dir under it."))
|
||
}
|
||
|
||
this.userService.MatterLock(user.Uuid)
|
||
defer this.userService.MatterUnlock(user.Uuid)
|
||
|
||
matter := this.createDirectory(request, dirMatter, name, user)
|
||
|
||
return matter
|
||
}
|
||
|
||
//copy or move may overwrite.
|
||
func (this *MatterService) handleOverwrite(request *http.Request, user *User, destinationPath string, overwrite bool) {
|
||
|
||
destMatter := this.matterDao.findByUserUuidAndPath(user.Uuid, destinationPath)
|
||
if destMatter != nil {
|
||
//if exist
|
||
if overwrite {
|
||
//delete.
|
||
this.Delete(request, destMatter, user)
|
||
} else {
|
||
//throw precondition failed. (RFC4918:10.6)
|
||
panic(result.CustomWebResult(result.PRECONDITION_FAILED, fmt.Sprintf("%s exists", destMatter.Path)))
|
||
}
|
||
}
|
||
|
||
}
|
||
|
||
//move srcMatter to destMatter. invoker must handled the overwrite and lock.
|
||
func (this *MatterService) move(request *http.Request, srcMatter *Matter, destDirMatter *Matter, user *User) {
|
||
|
||
if srcMatter == nil {
|
||
panic(result.BadRequest("srcMatter cannot be nil."))
|
||
}
|
||
|
||
if !destDirMatter.Dir {
|
||
panic(result.BadRequestI18n(request, i18n.MatterDestinationMustDirectory))
|
||
}
|
||
|
||
srcPuuid := srcMatter.Puuid
|
||
destDirUuid := destDirMatter.Uuid
|
||
|
||
if srcMatter.Dir {
|
||
|
||
//if src is dir.
|
||
destAbsolutePath := destDirMatter.AbsolutePath() + "/" + srcMatter.Name
|
||
srcAbsolutePath := srcMatter.AbsolutePath()
|
||
|
||
//move src to dest on disk.
|
||
err := os.Rename(srcAbsolutePath, destAbsolutePath)
|
||
this.PanicError(err)
|
||
|
||
//change info on db.
|
||
srcMatter.Puuid = destDirMatter.Uuid
|
||
srcMatter.Path = destDirMatter.Path + "/" + srcMatter.Name
|
||
srcMatter = this.matterDao.Save(srcMatter)
|
||
|
||
//reCompute the path.
|
||
matters := this.matterDao.FindByPuuidAndUserUuid(srcMatter.Uuid, srcMatter.UserUuid, nil)
|
||
for _, m := range matters {
|
||
this.adjustPath(m, srcMatter)
|
||
}
|
||
|
||
} else {
|
||
|
||
//if src is NOT dir.
|
||
destAbsolutePath := destDirMatter.AbsolutePath() + "/" + srcMatter.Name
|
||
srcAbsolutePath := srcMatter.AbsolutePath()
|
||
|
||
//move src to dest on disk.
|
||
err := os.Rename(srcAbsolutePath, destAbsolutePath)
|
||
this.PanicError(err)
|
||
|
||
//delete caches.
|
||
this.imageCacheDao.DeleteByMatterUuid(srcMatter.Uuid)
|
||
|
||
//change info in db.
|
||
srcMatter.Puuid = destDirMatter.Uuid
|
||
srcMatter.Path = destDirMatter.Path + "/" + srcMatter.Name
|
||
srcMatter = this.matterDao.Save(srcMatter)
|
||
|
||
}
|
||
|
||
//reCompute the size of src and dest.
|
||
this.ComputeRouteSize(srcPuuid, user)
|
||
this.ComputeRouteSize(destDirUuid, user)
|
||
|
||
}
|
||
|
||
//move srcMatter to destMatter(must be dir)
|
||
func (this *MatterService) AtomicMove(request *http.Request, srcMatter *Matter, destDirMatter *Matter, overwrite bool, user *User) {
|
||
|
||
if srcMatter == nil {
|
||
panic(result.BadRequest("srcMatter cannot be nil."))
|
||
}
|
||
|
||
this.userService.MatterLock(srcMatter.UserUuid)
|
||
defer this.userService.MatterUnlock(srcMatter.UserUuid)
|
||
|
||
if destDirMatter == nil {
|
||
panic(result.BadRequest("destDirMatter cannot be nil."))
|
||
}
|
||
if !destDirMatter.Dir {
|
||
panic(result.BadRequestI18n(request, i18n.MatterDestinationMustDirectory))
|
||
}
|
||
|
||
//neither move to itself, nor move to its children.
|
||
destDirMatter = this.WrapParentDetail(request, destDirMatter)
|
||
tmpMatter := destDirMatter
|
||
for tmpMatter != nil {
|
||
if srcMatter.Uuid == tmpMatter.Uuid {
|
||
panic(result.BadRequestI18n(request, i18n.MatterMoveRecursive))
|
||
}
|
||
tmpMatter = tmpMatter.Parent
|
||
}
|
||
|
||
//handle the overwrite
|
||
destinationPath := destDirMatter.Path + "/" + srcMatter.Name
|
||
this.handleOverwrite(request, user, destinationPath, overwrite)
|
||
|
||
//do the move operation.
|
||
this.move(request, srcMatter, destDirMatter, user)
|
||
}
|
||
|
||
//move srcMatters to destMatter(must be dir)
|
||
func (this *MatterService) AtomicMoveBatch(request *http.Request, srcMatters []*Matter, destDirMatter *Matter, user *User) {
|
||
|
||
if destDirMatter == nil {
|
||
panic(result.BadRequest("destDirMatter cannot be nil."))
|
||
}
|
||
|
||
this.userService.MatterLock(destDirMatter.UserUuid)
|
||
defer this.userService.MatterUnlock(destDirMatter.UserUuid)
|
||
|
||
if srcMatters == nil {
|
||
panic(result.BadRequest("srcMatters cannot be nil."))
|
||
}
|
||
|
||
if !destDirMatter.Dir {
|
||
panic(result.BadRequestI18n(request, i18n.MatterDestinationMustDirectory))
|
||
}
|
||
|
||
//neither move to itself, nor move to its children.
|
||
destDirMatter = this.WrapParentDetail(request, destDirMatter)
|
||
for _, srcMatter := range srcMatters {
|
||
|
||
tmpMatter := destDirMatter
|
||
for tmpMatter != nil {
|
||
if srcMatter.Uuid == tmpMatter.Uuid {
|
||
panic(result.BadRequestI18n(request, i18n.MatterMoveRecursive))
|
||
}
|
||
tmpMatter = tmpMatter.Parent
|
||
}
|
||
}
|
||
|
||
for _, srcMatter := range srcMatters {
|
||
this.move(request, srcMatter, destDirMatter, user)
|
||
}
|
||
|
||
}
|
||
|
||
//copy srcMatter to destMatter. invoker must handled the overwrite and lock.
|
||
func (this *MatterService) copy(request *http.Request, srcMatter *Matter, destDirMatter *Matter, name string) {
|
||
|
||
this.logger.Info("copy srcPath = %s destPath = %s/%s", srcMatter.Path, destDirMatter.Path, name)
|
||
|
||
if srcMatter.Dir {
|
||
|
||
newMatter := &Matter{
|
||
Puuid: destDirMatter.Uuid,
|
||
UserUuid: srcMatter.UserUuid,
|
||
Username: srcMatter.Username,
|
||
Dir: srcMatter.Dir,
|
||
Name: name,
|
||
Md5: "",
|
||
Size: srcMatter.Size,
|
||
Privacy: srcMatter.Privacy,
|
||
Path: destDirMatter.Path + "/" + name,
|
||
Prop: EMPTY_JSON_MAP,
|
||
VisitTime: time.Now(),
|
||
}
|
||
|
||
newMatter = this.matterDao.Create(newMatter)
|
||
|
||
//make the dir
|
||
util.MakeDirAll(newMatter.AbsolutePath())
|
||
|
||
//copy children
|
||
matters := this.matterDao.FindByPuuidAndUserUuid(srcMatter.Uuid, srcMatter.UserUuid, nil)
|
||
for _, m := range matters {
|
||
this.copy(request, m, newMatter, m.Name)
|
||
}
|
||
|
||
} else {
|
||
|
||
destAbsolutePath := destDirMatter.AbsolutePath() + "/" + name
|
||
srcAbsolutePath := srcMatter.AbsolutePath()
|
||
|
||
//copy file on disk.
|
||
util.CopyFile(srcAbsolutePath, destAbsolutePath)
|
||
|
||
newMatter := &Matter{
|
||
Puuid: destDirMatter.Uuid,
|
||
UserUuid: srcMatter.UserUuid,
|
||
Username: srcMatter.Username,
|
||
Dir: srcMatter.Dir,
|
||
Name: name,
|
||
Md5: "",
|
||
Size: srcMatter.Size,
|
||
Privacy: srcMatter.Privacy,
|
||
Path: destDirMatter.Path + "/" + name,
|
||
Prop: EMPTY_JSON_MAP,
|
||
VisitTime: time.Now(),
|
||
}
|
||
newMatter = this.matterDao.Create(newMatter)
|
||
|
||
}
|
||
}
|
||
|
||
//copy srcMatter to destMatter.
|
||
func (this *MatterService) AtomicCopy(request *http.Request, srcMatter *Matter, destDirMatter *Matter, name string, overwrite bool, user *User) {
|
||
|
||
if srcMatter == nil {
|
||
panic(result.BadRequest("srcMatter cannot be nil."))
|
||
}
|
||
|
||
this.userService.MatterLock(srcMatter.UserUuid)
|
||
defer this.userService.MatterUnlock(srcMatter.UserUuid)
|
||
|
||
if !destDirMatter.Dir {
|
||
panic(result.BadRequestI18n(request, i18n.MatterDestinationMustDirectory))
|
||
}
|
||
|
||
destinationPath := destDirMatter.Path + "/" + name
|
||
this.handleOverwrite(request, user, destinationPath, overwrite)
|
||
|
||
this.copy(request, srcMatter, destDirMatter, name)
|
||
}
|
||
|
||
//rename matter to name
|
||
func (this *MatterService) AtomicRename(request *http.Request, matter *Matter, name string, overwrite bool, user *User) {
|
||
|
||
this.logger.Info("Try to rename srcPath = %s to name = %s", matter.Path, name)
|
||
|
||
if user == nil {
|
||
panic(result.BadRequest("user cannot be nil"))
|
||
}
|
||
|
||
if matter.Deleted {
|
||
panic(result.BadRequest("matter has been deleted. Cannot rename."))
|
||
}
|
||
|
||
this.userService.MatterLock(user.Uuid)
|
||
defer this.userService.MatterUnlock(user.Uuid)
|
||
|
||
name = CheckMatterName(request, name)
|
||
|
||
if name == matter.Name {
|
||
panic(result.BadRequestI18n(request, i18n.MatterNameNoChange))
|
||
}
|
||
|
||
//check whether the name used by another matter.
|
||
oldMatter := this.matterDao.FindByUserUuidAndPuuidAndDirAndName(user.Uuid, matter.Puuid, "", name)
|
||
if oldMatter != nil {
|
||
if overwrite {
|
||
//delete this one.
|
||
this.Delete(request, oldMatter, user)
|
||
} else {
|
||
panic(result.CustomWebResult(result.PRECONDITION_FAILED, fmt.Sprintf("%s already exists", name)))
|
||
}
|
||
|
||
}
|
||
|
||
if matter.Dir {
|
||
//如果源是文件夹
|
||
|
||
oldAbsolutePath := matter.AbsolutePath()
|
||
absoluteDirPath := util.GetDirOfPath(oldAbsolutePath)
|
||
relativeDirPath := util.GetDirOfPath(matter.Path)
|
||
newAbsolutePath := absoluteDirPath + "/" + name
|
||
|
||
//物理文件一口气移动
|
||
err := os.Rename(oldAbsolutePath, newAbsolutePath)
|
||
this.PanicError(err)
|
||
|
||
//修改数据库中信息
|
||
matter.Name = name
|
||
matter.Path = relativeDirPath + "/" + name
|
||
matter = this.matterDao.Save(matter)
|
||
|
||
//调整该文件夹下文件的Path.
|
||
matters := this.matterDao.FindByPuuidAndUserUuid(matter.Uuid, matter.UserUuid, nil)
|
||
for _, m := range matters {
|
||
this.adjustPath(m, matter)
|
||
}
|
||
|
||
} else {
|
||
//如果源是普通文件
|
||
|
||
oldAbsolutePath := matter.AbsolutePath()
|
||
absoluteDirPath := util.GetDirOfPath(oldAbsolutePath)
|
||
relativeDirPath := util.GetDirOfPath(matter.Path)
|
||
newAbsolutePath := absoluteDirPath + "/" + name
|
||
|
||
//物理文件进行移动
|
||
err := os.Rename(oldAbsolutePath, newAbsolutePath)
|
||
this.PanicError(err)
|
||
|
||
//删除对应的缓存。
|
||
this.imageCacheDao.DeleteByMatterUuid(matter.Uuid)
|
||
|
||
//修改数据库中信息
|
||
matter.Name = name
|
||
matter.Path = relativeDirPath + "/" + name
|
||
matter = this.matterDao.Save(matter)
|
||
|
||
}
|
||
|
||
return
|
||
}
|
||
|
||
//将本地文件映射到蓝眼云盘中去。
|
||
func (this *MatterService) AtomicMirror(request *http.Request, srcPath string, destPath string, overwrite bool, user *User) {
|
||
|
||
if user == nil {
|
||
panic(result.BadRequest("user cannot be nil"))
|
||
}
|
||
|
||
//操作锁
|
||
this.userService.MatterLock(user.Uuid)
|
||
defer this.userService.MatterUnlock(user.Uuid)
|
||
|
||
//验证参数。
|
||
if destPath == "" {
|
||
panic(result.BadRequest("dest cannot be null"))
|
||
}
|
||
|
||
destDirMatter := this.CreateDirectories(request, user, destPath)
|
||
|
||
if destDirMatter.Deleted {
|
||
panic(result.BadRequest("dest matter has been deleted. Cannot mirror."))
|
||
}
|
||
|
||
this.mirror(request, srcPath, destDirMatter, overwrite, user)
|
||
}
|
||
|
||
//将本地文件/文件夹映射到蓝眼云盘中去。
|
||
func (this *MatterService) mirror(request *http.Request, srcPath string, destDirMatter *Matter, overwrite bool, user *User) {
|
||
|
||
if user == nil {
|
||
panic(result.BadRequest("user cannot be nil"))
|
||
}
|
||
|
||
fileStat, err := os.Stat(srcPath)
|
||
if err != nil {
|
||
|
||
if os.IsNotExist(err) {
|
||
panic(result.BadRequest("srcPath %s not exist", srcPath))
|
||
} else {
|
||
|
||
panic(result.BadRequest("srcPath err %s %s", srcPath, err.Error()))
|
||
}
|
||
|
||
}
|
||
|
||
this.logger.Info("mirror srcPath = %s destPath = %s", srcPath, destDirMatter.Path)
|
||
|
||
if fileStat.IsDir() {
|
||
|
||
//判断当前文件夹下，文件是否已经存在了。
|
||
srcDirMatter := this.matterDao.FindByUserUuidAndPuuidAndDirAndName(user.Uuid, destDirMatter.Uuid, TRUE, fileStat.Name())
|
||
|
||
if srcDirMatter == nil {
|
||
srcDirMatter = this.createDirectory(request, destDirMatter, fileStat.Name(), user)
|
||
}
|
||
|
||
fileInfos, err := ioutil.ReadDir(srcPath)
|
||
this.PanicError(err)
|
||
|
||
//递归处理本文件夹下的文件或文件夹
|
||
for _, fileInfo := range fileInfos {
|
||
|
||
path := fmt.Sprintf("%s/%s", srcPath, fileInfo.Name())
|
||
this.mirror(request, path, srcDirMatter, overwrite, user)
|
||
}
|
||
|
||
} else {
|
||
|
||
//判断当前文件夹下，文件是否已经存在了。
|
||
matter := this.matterDao.FindByUserUuidAndPuuidAndDirAndName(user.Uuid, destDirMatter.Uuid, FALSE, fileStat.Name())
|
||
if matter != nil {
|
||
//如果是覆盖，那么删除之前的文件
|
||
if overwrite {
|
||
this.Delete(request, matter, user)
|
||
} else {
|
||
//直接完成。
|
||
return
|
||
}
|
||
}
|
||
|
||
//准备直接从本地上传了。
|
||
file, err := os.Open(srcPath)
|
||
this.PanicError(err)
|
||
defer func() {
|
||
err := file.Close()
|
||
this.PanicError(err)
|
||
}()
|
||
|
||
this.Upload(request, file, user, destDirMatter, fileStat.Name(), true)
|
||
|
||
}
|
||
|
||
}
|
||
|
||
//根据一个文件夹路径，依次创建，找到最后一个文件夹的matter，如果中途出错，返回err. 如果存在了那就直接返回即可。
|
||
func (this *MatterService) CreateDirectories(request *http.Request, user *User, dirPath string) *Matter {
|
||
|
||
dirPath = path.Clean(dirPath)
|
||
|
||
if dirPath == "/" {
|
||
return NewRootMatter(user)
|
||
}
|
||
|
||
//ignore the last slash.
|
||
dirPath = strings.TrimSuffix(dirPath, "/")
|
||
|
||
folders := strings.Split(dirPath, "/")
|
||
|
||
if len(folders) > MATTER_NAME_MAX_DEPTH {
|
||
panic(result.BadRequestI18n(request, i18n.MatterDepthExceedLimit, len(folders), MATTER_NAME_MAX_DEPTH))
|
||
}
|
||
|
||
//validate every matter name.
|
||
for k, name := range folders {
|
||
//first element is ""
|
||
if k != 0 {
|
||
CheckMatterName(request, name)
|
||
}
|
||
}
|
||
|
||
var dirMatter *Matter
|
||
for k, name := range folders {
|
||
|
||
//ignore the first element.
|
||
if k == 0 {
|
||
dirMatter = NewRootMatter(user)
|
||
continue
|
||
}
|
||
|
||
dirMatter = this.createDirectory(request, dirMatter, name, user)
|
||
}
|
||
|
||
return dirMatter
|
||
}
|
||
|
||
//wrap a matter. put its parent.
|
||
func (this *MatterService) WrapParentDetail(request *http.Request, matter *Matter) *Matter {
|
||
|
||
if matter == nil {
|
||
panic(result.BadRequest("matter cannot be nil."))
|
||
}
|
||
|
||
//when self not root.
|
||
if matter.Uuid != MATTER_ROOT {
|
||
|
||
puuid := matter.Puuid
|
||
tmpMatter := matter
|
||
for puuid != MATTER_ROOT {
|
||
pFile := this.matterDao.CheckByUuid(puuid)
|
||
tmpMatter.Parent = pFile
|
||
tmpMatter = pFile
|
||
puuid = pFile.Puuid
|
||
}
|
||
}
|
||
|
||
return matter
|
||
}
|
||
|
||
//wrap a matter ,put its children
|
||
func (this *MatterService) WrapChildrenDetail(request *http.Request, matter *Matter) {
|
||
|
||
if matter == nil {
|
||
panic(result.BadRequest("matter cannot be nil."))
|
||
}
|
||
|
||
if matter.Dir {
|
||
|
||
children := this.matterDao.FindByPuuidAndUserUuid(matter.Uuid, matter.UserUuid, nil)
|
||
matter.Children = children
|
||
|
||
for _, child := range matter.Children {
|
||
this.WrapChildrenDetail(request, child)
|
||
}
|
||
}
|
||
|
||
}
|
||
|
||
//fetch a matter's detail with parent info.
|
||
func (this *MatterService) Detail(request *http.Request, uuid string) *Matter {
|
||
matter := this.matterDao.CheckByUuid(uuid)
|
||
return this.WrapParentDetail(request, matter)
|
||
}
|
||
|
||
//crawl a url to dirMatter
|
||
func (this *MatterService) AtomicCrawl(request *http.Request, url string, filename string, user *User, dirMatter *Matter, privacy bool) *Matter {
|
||
|
||
if user == nil {
|
||
panic(result.BadRequest("user cannot be nil."))
|
||
}
|
||
|
||
if dirMatter.Deleted {
|
||
panic(result.BadRequest("Dir has been deleted. Cannot crawl under it."))
|
||
}
|
||
|
||
this.userService.MatterLock(user.Uuid)
|
||
defer this.userService.MatterUnlock(user.Uuid)
|
||
|
||
if url == "" || (!strings.HasPrefix(url, "http://") && !strings.HasPrefix(url, "https://")) {
|
||
panic(`url must start with http:// or https://`)
|
||
}
|
||
|
||
if filename == "" {
|
||
panic(result.BadRequest("filename cannot be null."))
|
||
}
|
||
|
||
//download from url.
|
||
resp, err := http.Get(url)
|
||
this.PanicError(err)
|
||
|
||
return this.Upload(request, resp.Body, user, dirMatter, filename, privacy)
|
||
}
|
||
|
||
//adjust a matter's path.
|
||
func (this *MatterService) adjustPath(matter *Matter, parentMatter *Matter) {
|
||
|
||
if matter.Dir {
|
||
|
||
matter.Path = parentMatter.Path + "/" + matter.Name
|
||
matter = this.matterDao.Save(matter)
|
||
|
||
//adjust children.
|
||
matters := this.matterDao.FindByPuuidAndUserUuid(matter.Uuid, matter.UserUuid, nil)
|
||
for _, m := range matters {
|
||
this.adjustPath(m, matter)
|
||
}
|
||
|
||
} else {
|
||
//delete caches.
|
||
this.imageCacheDao.DeleteByMatterUuid(matter.Uuid)
|
||
|
||
matter.Path = parentMatter.Path + "/" + matter.Name
|
||
matter = this.matterDao.Save(matter)
|
||
}
|
||
|
||
}
|
||
|
||
//delete someone's EyeblueTank files according to physics files.
|
||
func (this *MatterService) DeleteByPhysics(request *http.Request, user *User) {
|
||
|
||
if user == nil {
|
||
panic(result.BadRequest("user cannot be nil."))
|
||
}
|
||
|
||
//scan user's file. scan level by level.
|
||
rootMatter := NewRootMatter(user)
|
||
this.deleteFolderByPhysics(request, rootMatter, user)
|
||
|
||
}
|
||
|
||
func (this *MatterService) deleteFolderByPhysics(request *http.Request, dirMatter *Matter, user *User) {
|
||
|
||
//scan user's file. scan level by level.
|
||
this.matterDao.PageHandle(dirMatter.Uuid, user.Uuid, "", "", "", nil, nil, func(matter *Matter) {
|
||
|
||
if matter.Dir {
|
||
//delete children first.
|
||
this.deleteFolderByPhysics(request, matter, user)
|
||
}
|
||
|
||
if !util.PathExists(matter.AbsolutePath()) {
|
||
this.logger.Info("physics file not exist. delete from tank. %s", matter.Name)
|
||
this.AtomicDelete(nil, matter, user)
|
||
}
|
||
|
||
})
|
||
}
|
||
|
||
//scan someone's physics files to EyeblueTank
|
||
func (this *MatterService) ScanPhysics(request *http.Request, user *User) {
|
||
|
||
if user == nil {
|
||
panic(result.BadRequest("user cannot be nil."))
|
||
}
|
||
|
||
rootDirPath := GetUserMatterRootDir(user.Username)
|
||
this.logger.Info("scan %s's root dir %s", user.Username, rootDirPath)
|
||
|
||
rootExists := util.PathExists(rootDirPath)
|
||
if !rootExists {
|
||
util.MakeDirAll(rootDirPath)
|
||
}
|
||
rootFileInfo, err := os.Lstat(rootDirPath)
|
||
if err != nil {
|
||
panic(result.BadRequest("cannot get root file info."))
|
||
}
|
||
|
||
rootMatter := NewRootMatter(user)
|
||
this.scanPhysicsFolder(request, rootFileInfo, rootMatter, user)
|
||
}
|
||
|
||
func (this *MatterService) scanPhysicsFolder(request *http.Request, dirInfo os.FileInfo, dirMatter *Matter, user *User) {
|
||
if !dirInfo.IsDir() {
|
||
return
|
||
}
|
||
|
||
//fetch all matters under this folder.
|
||
_, matters := this.matterDao.PlainPage(0, 1000, dirMatter.Uuid, user.Uuid, "", "", "", nil, nil, nil)
|
||
nameMatterMap := make(map[string]*Matter)
|
||
for _, m := range matters {
|
||
nameMatterMap[m.Name] = m
|
||
}
|
||
|
||
dirPath := dirMatter.AbsolutePath()
|
||
names, err := util.ReadDirNames(dirPath)
|
||
if err != nil {
|
||
this.logger.Error("occur error when ReadDirNames %s %s", dirPath, err.Error())
|
||
return
|
||
}
|
||
for _, name := range names {
|
||
fileFullPath := filepath.Join(dirPath, name)
|
||
fileInfo, err := os.Lstat(fileFullPath)
|
||
if err != nil {
|
||
this.logger.Error("occur error when Lstat %s %s", name, err.Error())
|
||
continue
|
||
}
|
||
|
||
//find ther matter
|
||
var matter *Matter
|
||
_, ok := nameMatterMap[name]
|
||
if ok {
|
||
//exits. check the basic info.
|
||
matter = nameMatterMap[name]
|
||
//only check the fileSize.
|
||
if !matter.Dir {
|
||
if matter.Size != fileInfo.Size() {
|
||
this.logger.Info("update matter: %s size:%d -> %d", name, matter.Size, fileInfo.Size())
|
||
this.updateNonDirMatter(matter, fileInfo.Size(), user)
|
||
}
|
||
} else {
|
||
|
||
//recursive scan this folder.
|
||
this.scanPhysicsFolder(request, fileInfo, matter, user)
|
||
|
||
}
|
||
|
||
} else {
|
||
|
||
if fileInfo.IsDir() {
|
||
|
||
//create folder.
|
||
matter = this.createDirectory(request, dirMatter, name, user)
|
||
|
||
//recursive scan this folder.
|
||
this.scanPhysicsFolder(request, fileInfo, matter, user)
|
||
|
||
} else {
|
||
|
||
//not exist. add basic info.
|
||
this.logger.Info("Create matter: %s size:%d", name, fileInfo.Size())
|
||
matter = this.createNonDirMatter(dirMatter, name, fileInfo.Size(), true, user)
|
||
|
||
}
|
||
|
||
}
|
||
}
|
||
}
|
||
|
||
//clean all the expired deleted matters
|
||
func (this *MatterService) CleanExpiredDeletedMatters() {
|
||
//mock a request.
|
||
request := &http.Request{}
|
||
|
||
preference := this.preferenceService.Fetch()
|
||
|
||
this.userDao.PageHandle("", "", func(user *User) {
|
||
|
||
this.logger.Info("Clean %s 's deleted matters", user.Username)
|
||
|
||
thenDate := time.Now()
|
||
thenDate = thenDate.AddDate(0, 0, int(-preference.DeletedKeepDays))
|
||
if preference.DeletedKeepDays != 0 {
|
||
thenDate = util.FirstSecondOfDay(thenDate)
|
||
}
|
||
|
||
//first remove all the matter(not dir).
|
||
this.matterDao.PageHandle("", "", "", FALSE, TRUE, &thenDate, nil, func(matter *Matter) {
|
||
this.Delete(request, matter, user)
|
||
})
|
||
|
||
sortArray := []builder.OrderPair{
|
||
{
|
||
Key: "path",
|
||
Value: DIRECTION_DESC,
|
||
},
|
||
}
|
||
|
||
//remove all the deleted directories. sort by path.
|
||
this.matterDao.PageHandle("", "", "", TRUE, TRUE, &thenDate, sortArray, func(matter *Matter) {
|
||
this.Delete(request, matter, user)
|
||
})
|
||
|
||
})
|
||
|
||
}
|