photoprism/internal/entity/details.go
Michael Mayer 84b17194af Backend: Refactor person entity #98 #144
Database column types are now UPPERCASE so that developers can easily recognize them. After upgrading to GORM 2.0, we can use generic types instead.

Signed-off-by: Michael Mayer <michael@liquidbytes.net>
2020-09-13 17:51:43 +02:00

86 lines
2.3 KiB
Go

package entity
import (
"fmt"
"time"
)
// Details stores additional metadata fields for each photo to improve search performance.
type Details struct {
PhotoID uint `gorm:"primary_key;auto_increment:false" yaml:"-"`
Keywords string `gorm:"type:TEXT;" json:"Keywords" yaml:"Keywords"`
Notes string `gorm:"type:TEXT;" json:"Notes" yaml:"Notes,omitempty"`
Subject string `gorm:"type:VARCHAR(255);" json:"Subject" yaml:"Subject,omitempty"`
Artist string `gorm:"type:VARCHAR(255);" json:"Artist" yaml:"Artist,omitempty"`
Copyright string `gorm:"type:VARCHAR(255);" json:"Copyright" yaml:"Copyright,omitempty"`
License string `gorm:"type:VARCHAR(255);" json:"License" yaml:"License,omitempty"`
CreatedAt time.Time `yaml:"-"`
UpdatedAt time.Time `yaml:"-"`
}
// NewDetails creates new photo details.
func NewDetails(photo Photo) Details {
return Details{PhotoID: photo.ID}
}
// Create inserts a new row to the database.
func (m *Details) Create() error {
if m.PhotoID == 0 {
return fmt.Errorf("details: photo id must not be empty (create)")
}
return UnscopedDb().Create(m).Error
}
// Save updates existing photo details or inserts a new row.
func (m *Details) Save() error {
if m.PhotoID == 0 {
return fmt.Errorf("details: photo id must not be empty (save)")
}
return UnscopedDb().Save(m).Error
}
// FirstOrCreateDetails returns the existing row, inserts a new row or nil in case of errors.
func FirstOrCreateDetails(m *Details) *Details {
result := Details{}
if err := m.Create(); err == nil {
return m
} else if err := Db().Where("photo_id = ?", m.PhotoID).First(&result).Error; err == nil {
if m.CreatedAt.IsZero() {
m.CreatedAt = Timestamp()
}
return &result
} else {
log.Errorf("details: %s (first or create %d)", err, m.PhotoID)
}
return nil
}
// NoKeywords checks if the photo has no Keywords
func (m *Details) NoKeywords() bool {
return m.Keywords == ""
}
// NoSubject checks if the photo has no Subject
func (m *Details) NoSubject() bool {
return m.Subject == ""
}
// NoNotes checks if the photo has no Notes
func (m *Details) NoNotes() bool {
return m.Notes == ""
}
// NoArtist checks if the photo has no Artist
func (m *Details) NoArtist() bool {
return m.Artist == ""
}
// NoCopyright checks if the photo has no Copyright
func (m *Details) NoCopyright() bool {
return m.Copyright == ""
}