photoprism/internal/entity/camera.go
Michael Mayer 9a5d4fa719 Backend: Indexing improvements #154
Signed-off-by: Michael Mayer <michael@liquidbytes.net>
2020-05-29 18:04:30 +02:00

128 lines
3.4 KiB
Go

package entity
import (
"strings"
"time"
"github.com/gosimple/slug"
"github.com/photoprism/photoprism/internal/event"
"github.com/photoprism/photoprism/pkg/txt"
)
// Camera model and make (as extracted from UpdateExif metadata)
type Camera struct {
ID uint `gorm:"primary_key" json:"ID" yaml:"ID"`
CameraSlug string `gorm:"type:varbinary(255);unique_index;" json:"Slug" yaml:"-"`
CameraName string `gorm:"type:varchar(255);" json:"Name" yaml:"Name"`
CameraMake string `gorm:"type:varchar(255);" json:"Make" yaml:"Make,omitempty"`
CameraModel string `gorm:"type:varchar(255);" json:"Model" yaml:"Model,omitempty"`
CameraType string `gorm:"type:varchar(255);" json:"Type,omitempty" yaml:"Type,omitempty"`
CameraDescription string `gorm:"type:text;" json:"Description,omitempty" yaml:"Description,omitempty"`
CameraNotes string `gorm:"type:text;" json:"Notes,omitempty" yaml:"Notes,omitempty"`
CreatedAt time.Time `json:"-" yaml:"-"`
UpdatedAt time.Time `json:"-" yaml:"-"`
DeletedAt *time.Time `sql:"index" json:"-" yaml:"-"`
}
var UnknownCamera = Camera{
CameraSlug: "zz",
CameraName: "Unknown",
CameraMake: "",
CameraModel: "Unknown",
}
var CameraMakes = map[string]string{
"OLYMPUS OPTICAL CO.,LTD": "Olympus",
}
var CameraModels = map[string]string{
"ELE-L29": "P30",
"ELE-AL00": "P30",
"ELE-L04": "P30",
"ELE-L09": "P30",
"ELE-TL00": "P30",
}
// CreateUnknownCamera initializes the database with an unknown camera if not exists
func CreateUnknownCamera() {
FirstOrCreateCamera(&UnknownCamera)
}
// NewCamera creates a camera entity from a model name and a make name.
func NewCamera(modelName string, makeName string) *Camera {
modelName = txt.Clip(modelName, txt.ClipDefault)
makeName = txt.Clip(makeName, txt.ClipDefault)
if modelName == "" && makeName == "" {
return &UnknownCamera
} else if strings.HasPrefix(modelName, makeName) {
modelName = strings.TrimSpace(modelName[len(makeName):])
}
if n, ok := CameraMakes[makeName]; ok {
makeName = n
}
if n, ok := CameraModels[modelName]; ok {
modelName = n
}
var name []string
if makeName != "" {
name = append(name, makeName)
}
if modelName != "" {
name = append(name, modelName)
}
cameraName := strings.Join(name, " ")
cameraSlug := slug.Make(txt.Clip(cameraName, txt.ClipSlug))
result := &Camera{
CameraSlug: cameraSlug,
CameraName: cameraName,
CameraMake: makeName,
CameraModel: modelName,
}
return result
}
// Create inserts a new row to the database.
func (m *Camera) Create() error {
return Db().Create(m).Error
}
// FirstOrCreateCamera returns the existing row, inserts a new row or nil in case of errors.
func FirstOrCreateCamera(m *Camera) *Camera {
result := Camera{}
if err := Db().Where("camera_model = ? AND camera_make = ?", m.CameraModel, m.CameraMake).First(&result).Error; err == nil {
return &result
} else if err := m.Create(); err != nil {
log.Errorf("camera: %s", err)
return nil
}
if !m.Unknown() {
event.EntitiesCreated("cameras", []*Camera{m})
event.Publish("count.cameras", event.Data{
"count": 1,
})
}
return m
}
// String returns a string designing the given Camera entity
func (m *Camera) String() string {
return m.CameraName
}
// Unknown returns true if the camera is not a known make or model.
func (m *Camera) Unknown() bool {
return m.CameraSlug == "" || m.CameraSlug == UnknownCamera.CameraSlug
}