91 lines
2.4 KiB
Go
91 lines
2.4 KiB
Go
package entity
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import (
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"crypto/sha1"
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"fmt"
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"time"
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)
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type PeopleFaces []PersonFace
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// PersonFace represents the face of a Person.
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type PersonFace struct {
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ID string `gorm:"type:VARBINARY(42);primary_key;auto_increment:false;" json:"ID" yaml:"ID"`
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PersonUID string `gorm:"type:VARBINARY(42);index;" json:"PersonUID" yaml:"PersonUID"`
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FaceSrc string `gorm:"type:VARBINARY(8);" json:"Src" yaml:"Src"`
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Embedding string `gorm:"type:LONGTEXT;" json:"Embedding" yaml:"Embedding,omitempty"`
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PhotoCount int `gorm:"default:0" json:"PhotoCount" yaml:"-"`
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CreatedAt time.Time `json:"CreatedAt" yaml:"-"`
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UpdatedAt time.Time `json:"UpdatedAt" yaml:"-"`
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DeletedAt *time.Time `sql:"index" json:"DeletedAt,omitempty" yaml:"-"`
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}
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// TableName returns the entity database table name.
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func (PersonFace) TableName() string {
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return "people_faces_dev"
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}
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/*
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// BeforeCreate creates a random UID if needed before inserting a new row to the database.
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func (m *PersonFace) BeforeCreate(scope *gorm.Scope) error {
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return scope.SetColumn("ID")
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}*/
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// NewPersonFace returns a new face.
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func NewPersonFace(personUID, faceSrc, embedding string, photoCount int) *PersonFace {
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result := &PersonFace{
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ID: fmt.Sprintf("%x", sha1.Sum([]byte(embedding))),
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PersonUID: personUID,
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FaceSrc: faceSrc,
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Embedding: embedding,
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PhotoCount: photoCount,
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}
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return result
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}
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// UnmarshalEmbedding parses the face embedding JSON string.
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func (m *PersonFace) UnmarshalEmbedding() (result Embedding) {
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return UnmarshalEmbedding(m.Embedding)
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}
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// Save updates the existing or inserts a new face.
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func (m *PersonFace) Save() error {
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peopleMutex.Lock()
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defer peopleMutex.Unlock()
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return Db().Save(m).Error
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}
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// Create inserts the face to the database.
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func (m *PersonFace) Create() error {
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peopleMutex.Lock()
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defer peopleMutex.Unlock()
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return Db().Create(m).Error
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}
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// Delete removes the face from the database.
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func (m *PersonFace) Delete() error {
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return Db().Delete(m).Error
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}
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// Deleted returns true if the face is deleted.
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func (m *PersonFace) Deleted() bool {
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return m.DeletedAt != nil
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}
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// Restore restores the face in the database.
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func (m *PersonFace) Restore() error {
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if m.Deleted() {
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return UnscopedDb().Model(m).Update("DeletedAt", nil).Error
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}
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return nil
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}
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// Update a face property in the database.
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func (m *PersonFace) Update(attr string, value interface{}) error {
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return UnscopedDb().Model(m).UpdateColumn(attr, value).Error
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}
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