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package model
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import (
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"github.com/HFO4/cloudreve/pkg/util"
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"github.com/jinzhu/gorm"
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"path"
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)
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// File 文件
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type File struct {
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// 表字段
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gorm.Model
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Name string
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SourceName string
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UserID uint `gorm:"index:user_id"`
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Size uint64
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PicInfo string
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FolderID uint `gorm:"index:folder_id"`
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PolicyID uint
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Dir string `gorm:"size:65536"`
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// 关联模型
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Policy Policy `gorm:"PRELOAD:false,association_autoupdate:false"`
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}
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// Create 创建文件记录
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func (file *File) Create() (uint, error) {
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if err := DB.Create(file).Error; err != nil {
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util.Log().Warning("无法插入文件记录, %s", err)
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return 0, err
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}
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return file.ID, nil
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}
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// GetFileByPathAndName 给定路径(s)、文件名、用户ID，查找文件
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func GetFileByPathAndName(path string, name string, uid uint) (File, error) {
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var file File
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result := DB.Where("user_id = ? AND dir = ? AND name=?", uid, path, name).First(&file)
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return file, result.Error
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}
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// GetChildFile 查找目录下子文件
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func (folder *Folder) GetChildFile() ([]File, error) {
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var files []File
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result := DB.Where("folder_id = ?", folder.ID).Find(&files)
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return files, result.Error
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}
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// GetChildFilesOfFolders 批量检索目录子文件
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func GetChildFilesOfFolders(folders *[]Folder) ([]File, error) {
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// 将所有待删除目录ID抽离，以便检索文件
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folderIDs := make([]uint, 0, len(*folders))
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for _, value := range *folders {
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folderIDs = append(folderIDs, value.ID)
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}
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// 检索文件
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var files []File
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result := DB.Where("folder_id in (?)", folderIDs).Find(&files)
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return files, result.Error
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}
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// GetPolicy 获取文件所属策略
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// TODO:test
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func (file *File) GetPolicy() *Policy {
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if file.Policy.Model.ID == 0 {
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file.Policy, _ = GetPolicyByID(file.PolicyID)
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}
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return &file.Policy
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}
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// GetFileByPaths 根据给定的文件路径(s)查找文件
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func GetFileByPaths(paths []string, uid uint) ([]File, error) {
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var files []File
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tx := DB
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for _, value := range paths {
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base := path.Base(value)
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dir := path.Dir(value)
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tx = tx.Or("dir = ? and name = ? and user_id = ?", dir, base, uid)
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}
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result := tx.Find(&files)
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return files, result.Error
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}
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// RemoveFilesWithSoftLinks 去除给定的文件列表中有软链接的文件
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func RemoveFilesWithSoftLinks(files []File) ([]File, error) {
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// 结果值
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filteredFiles := make([]File, 0)
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// 查询软链接的文件
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var filesWithSoftLinks []File
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tx := DB
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for _, value := range files {
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tx = tx.Or("source_name = ? and policy_id = ? and id != ?", value.SourceName, value.GetPolicy().ID, value.ID)
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}
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result := tx.Find(&filesWithSoftLinks)
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if result.Error != nil {
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return nil, result.Error
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}
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// 过滤具有软连接的文件
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if len(filesWithSoftLinks) == 0 {
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filteredFiles = files
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} else {
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for i := 0; i < len(files); i++ {
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for _, value := range filesWithSoftLinks {
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if value.PolicyID != files[i].PolicyID || value.SourceName != files[i].SourceName {
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filteredFiles = append(filteredFiles, files[i])
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break
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}
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}
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}
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}
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return filteredFiles, nil
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}
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// DeleteFileByIDs 根据给定ID批量删除文件记录
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func DeleteFileByIDs(ids []uint) error {
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result := DB.Where("id in (?)", ids).Delete(&File{})
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return result.Error
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}
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