109 lines
3.2 KiB
Go
109 lines
3.2 KiB
Go
package entity
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import (
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"fmt"
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"github.com/photoprism/photoprism/pkg/txt"
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)
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type Duplicates []Duplicate
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type DuplicatesMap map[string]Duplicate
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// Duplicate represents an exact file duplicate.
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type Duplicate struct {
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FileName string `gorm:"type:VARBINARY(755);primary_key;" json:"Name" yaml:"Name"`
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FileRoot string `gorm:"type:VARBINARY(16);primary_key;default:'/';" json:"Root" yaml:"Root,omitempty"`
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FileHash string `gorm:"type:VARBINARY(128);default:'';index" json:"Hash" yaml:"Hash,omitempty"`
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FileSize int64 `json:"Size" yaml:"Size,omitempty"`
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ModTime int64 `json:"ModTime" yaml:"-"`
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}
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// AddDuplicate adds a duplicate.
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func AddDuplicate(fileName, fileRoot, fileHash string, fileSize, modTime int64) error {
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if fileName == "" {
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return fmt.Errorf("duplicate name must not be empty (add)")
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} else if fileHash == "" {
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return fmt.Errorf("duplicate hash must not be empty (add)")
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} else if modTime == 0 {
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return fmt.Errorf("duplicate mod time must not be empty (add)")
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} else if fileRoot == "" {
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return fmt.Errorf("duplicate root must not be empty (add)")
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}
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duplicate := &Duplicate{
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FileName: fileName,
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FileRoot: fileRoot,
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FileHash: fileHash,
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FileSize: fileSize,
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ModTime: modTime,
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}
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if err := duplicate.Create(); err == nil {
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return nil
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} else if err := duplicate.Save(); err != nil {
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return err
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}
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return nil
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}
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// PurgeDuplicate deletes a duplicate.
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func PurgeDuplicate(fileName, fileRoot string) error {
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if fileName == "" {
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return fmt.Errorf("duplicate name must not be empty (purge)")
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} else if fileRoot == "" {
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return fmt.Errorf("duplicate root must not be empty (purge)")
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}
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if err := UnscopedDb().Delete(Duplicate{}, "file_name = ? AND file_root = ?", fileName, fileRoot).Error; err != nil {
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log.Errorf("duplicate: %s in %s (purge)", err, txt.Quote(fileName))
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return err
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}
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return nil
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}
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// Purge deletes a duplicate.
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func (m *Duplicate) Purge() error {
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return PurgeDuplicate(m.FileName, m.FileRoot)
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}
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// Find returns a duplicate from the database.
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func (m *Duplicate) Find() error {
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return UnscopedDb().First(m, "file_name = ? AND file_root = ?", m.FileName, m.FileRoot).Error
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}
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// Create inserts a new row to the database.
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func (m *Duplicate) Create() error {
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if m.FileName == "" {
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return fmt.Errorf("duplicate name must not be empty (create)")
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} else if m.FileHash == "" {
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return fmt.Errorf("duplicate hash must not be empty (create)")
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} else if m.ModTime == 0 {
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return fmt.Errorf("duplicate mod time must not be empty (create)")
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} else if m.FileRoot == "" {
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return fmt.Errorf("duplicate root must not be empty (create)")
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}
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return UnscopedDb().Create(m).Error
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}
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// Saves the duplicates in the database.
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func (m *Duplicate) Save() error {
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if m.FileName == "" {
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return fmt.Errorf("duplicate name must not be empty (save)")
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} else if m.FileHash == "" {
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return fmt.Errorf("duplicate hash must not be empty (save)")
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} else if m.ModTime == 0 {
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return fmt.Errorf("duplicate mod time must not be empty (save)")
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} else if m.FileRoot == "" {
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return fmt.Errorf("duplicate root must not be empty (save)")
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}
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if err := UnscopedDb().Save(m).Error; err != nil {
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log.Errorf("duplicate: %s in %s (save)", err, txt.Quote(m.FileName))
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return err
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}
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return nil
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}
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