87 lines
2.1 KiB
Go
87 lines
2.1 KiB
Go
package entity
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import (
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"fmt"
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"strings"
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"time"
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"github.com/gosimple/slug"
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"github.com/jinzhu/gorm"
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"github.com/photoprism/photoprism/internal/mutex"
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)
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// Camera model and make (as extracted from UpdateExif metadata)
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type Camera struct {
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ID uint `gorm:"primary_key"`
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CameraSlug string `gorm:"type:varbinary(128);unique_index;"`
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CameraModel string `gorm:"type:varchar(128);"`
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CameraMake string `gorm:"type:varchar(128);"`
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CameraType string `gorm:"type:varchar(128);"`
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CameraDescription string `gorm:"type:text;"`
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CameraNotes string `gorm:"type:text;"`
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CreatedAt time.Time
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UpdatedAt time.Time
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DeletedAt *time.Time `sql:"index"`
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}
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var UnknownCamera = Camera{
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CameraModel: "Unknown",
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CameraMake: "",
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CameraSlug: "zz",
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}
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// CreateUnknownCamera initializes the database with an unknown camera if not exists
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func CreateUnknownCamera(db *gorm.DB) {
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UnknownCamera.FirstOrCreate(db)
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}
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// NewCamera creates a camera entity from a model name and a make name.
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func NewCamera(modelName string, makeName string) *Camera {
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makeName = strings.TrimSpace(makeName)
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if modelName == "" {
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return &UnknownCamera
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} else if strings.HasPrefix(modelName, makeName) {
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modelName = strings.TrimSpace(modelName[len(makeName):])
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}
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var cameraSlug string
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if makeName != "" {
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cameraSlug = slug.Make(makeName + " " + modelName)
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} else {
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cameraSlug = slug.Make(modelName)
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}
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result := &Camera{
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CameraModel: modelName,
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CameraMake: makeName,
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CameraSlug: cameraSlug,
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}
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return result
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}
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// FirstOrCreate checks wether the camera model exist already in the database
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func (m *Camera) FirstOrCreate(db *gorm.DB) *Camera {
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mutex.Db.Lock()
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defer mutex.Db.Unlock()
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if err := db.FirstOrCreate(m, "camera_model = ? AND camera_make = ?", m.CameraModel, m.CameraMake).Error; err != nil {
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log.Errorf("camera: %s", err)
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}
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return m
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}
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// String returns a string designing the given Camera entity
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func (m *Camera) String() string {
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if m.CameraMake != "" && m.CameraModel != "" {
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return fmt.Sprintf("%s %s", m.CameraMake, m.CameraModel)
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} else if m.CameraModel != "" {
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return m.CameraModel
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}
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return ""
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}
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