256 lines
8.1 KiB
Go
256 lines
8.1 KiB
Go
package entity
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import (
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"fmt"
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"path/filepath"
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"strings"
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"time"
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"github.com/dustin/go-humanize/english"
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"github.com/photoprism/photoprism/internal/classify"
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"github.com/photoprism/photoprism/pkg/fs"
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"github.com/photoprism/photoprism/pkg/sanitize"
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"github.com/photoprism/photoprism/pkg/txt"
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)
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// HasTitle checks if the photo has a title.
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func (m *Photo) HasTitle() bool {
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return m.PhotoTitle != ""
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}
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// NoTitle checks if the photo has no Title
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func (m *Photo) NoTitle() bool {
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return m.PhotoTitle == ""
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}
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// SetTitle changes the photo title and clips it to 300 characters.
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func (m *Photo) SetTitle(title, source string) {
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title = txt.Shorten(title, txt.ClipTitle, txt.Ellipsis)
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if title == "" {
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return
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}
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if (SrcPriority[source] < SrcPriority[m.TitleSrc]) && m.HasTitle() {
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return
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}
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m.PhotoTitle = title
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m.TitleSrc = source
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}
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// UpdateTitle updated the photo title based on location and labels.
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func (m *Photo) UpdateTitle(labels classify.Labels) error {
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if m.TitleSrc != SrcAuto && m.HasTitle() {
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return fmt.Errorf("photo: %s keeps existing %s title", m.String(), SrcString(m.TitleSrc))
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}
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var names string
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var knownLocation bool
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start := time.Now()
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oldTitle := m.PhotoTitle
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fileTitle := m.FileTitle()
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people := m.SubjectNames()
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m.UpdateDescription(people)
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if n := len(people); n > 0 && n < 4 {
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names = txt.JoinNames(people, true)
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}
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if m.LocationLoaded() && m.TrustedLocation() {
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knownLocation = true
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loc := m.Cell
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// TODO: User defined title format
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if names != "" {
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log.Debugf("photo: %s title based on %s (%s)", m.String(), english.Plural(len(people), "person", "people"), sanitize.Log(names))
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if l := len([]rune(names)); l > 35 {
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m.SetTitle(names, SrcAuto)
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} else if l > 20 && (loc.NoCity() || loc.LongCity()) {
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m.SetTitle(fmt.Sprintf("%s / %s", names, m.TakenAt.Format("2006")), SrcAuto)
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} else if l > 20 {
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m.SetTitle(fmt.Sprintf("%s / %s", names, loc.City()), SrcAuto)
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} else if loc.NoCity() || loc.LongCity() {
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m.SetTitle(fmt.Sprintf("%s / %s / %s", names, loc.CountryName(), m.TakenAt.Format("2006")), SrcAuto)
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} else {
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m.SetTitle(fmt.Sprintf("%s / %s / %s", names, loc.City(), m.TakenAt.Format("2006")), SrcAuto)
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}
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} else if title := labels.Title(loc.Name()); title != "" {
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log.Debugf("photo: %s title based on label %s", m.String(), sanitize.Log(title))
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if loc.NoCity() || loc.LongCity() || loc.CityContains(title) {
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m.SetTitle(fmt.Sprintf("%s / %s / %s", txt.Title(title), loc.CountryName(), m.TakenAt.Format("2006")), SrcAuto)
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} else {
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m.SetTitle(fmt.Sprintf("%s / %s / %s", txt.Title(title), loc.City(), m.TakenAt.Format("2006")), SrcAuto)
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}
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} else if loc.Name() != "" && loc.City() != "" {
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if len(loc.Name()) > 45 {
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m.SetTitle(txt.Title(loc.Name()), SrcAuto)
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} else if len(loc.Name()) > 20 || len(loc.City()) > 16 || strings.Contains(loc.Name(), loc.City()) {
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m.SetTitle(fmt.Sprintf("%s / %s", loc.Name(), m.TakenAt.Format("2006")), SrcAuto)
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} else {
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m.SetTitle(fmt.Sprintf("%s / %s / %s", loc.Name(), loc.City(), m.TakenAt.Format("2006")), SrcAuto)
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}
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} else if loc.City() != "" && loc.CountryName() != "" {
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if len(loc.City()) > 20 {
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m.SetTitle(fmt.Sprintf("%s / %s", loc.City(), m.TakenAt.Format("2006")), SrcAuto)
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} else {
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m.SetTitle(fmt.Sprintf("%s / %s / %s", loc.City(), loc.CountryName(), m.TakenAt.Format("2006")), SrcAuto)
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}
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}
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} else if m.PlaceLoaded() {
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knownLocation = true
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if names != "" {
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log.Debugf("photo: %s title based on %s (%s)", m.String(), english.Plural(len(people), "person", "people"), sanitize.Log(names))
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if l := len([]rune(names)); l > 35 {
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m.SetTitle(names, SrcAuto)
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} else if l > 20 && (m.Place.NoCity() || m.Place.LongCity()) {
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m.SetTitle(fmt.Sprintf("%s / %s", names, m.TakenAt.Format("2006")), SrcAuto)
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} else if l > 20 {
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m.SetTitle(fmt.Sprintf("%s / %s", names, m.Place.City()), SrcAuto)
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} else if m.Place.NoCity() || m.Place.LongCity() {
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m.SetTitle(fmt.Sprintf("%s / %s / %s", names, m.Place.CountryName(), m.TakenAt.Format("2006")), SrcAuto)
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} else {
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m.SetTitle(fmt.Sprintf("%s / %s / %s", names, m.Place.City(), m.TakenAt.Format("2006")), SrcAuto)
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}
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} else if title := labels.Title(fileTitle); title != "" {
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log.Debugf("photo: %s title based on label %s", m.String(), sanitize.Log(title))
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if m.Place.NoCity() || m.Place.LongCity() || m.Place.CityContains(title) {
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m.SetTitle(fmt.Sprintf("%s / %s / %s", txt.Title(title), m.Place.CountryName(), m.TakenAt.Format("2006")), SrcAuto)
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} else {
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m.SetTitle(fmt.Sprintf("%s / %s / %s", txt.Title(title), m.Place.City(), m.TakenAt.Format("2006")), SrcAuto)
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}
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} else if m.Place.City() != "" && m.Place.CountryName() != "" {
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if len(m.Place.City()) > 20 {
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m.SetTitle(fmt.Sprintf("%s / %s", m.Place.City(), m.TakenAt.Format("2006")), SrcAuto)
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} else {
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m.SetTitle(fmt.Sprintf("%s / %s / %s", m.Place.City(), m.Place.CountryName(), m.TakenAt.Format("2006")), SrcAuto)
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}
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}
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}
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if !knownLocation || m.NoTitle() {
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if names != "" {
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if len([]rune(names)) <= 35 && m.TakenSrc != SrcAuto {
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m.SetTitle(fmt.Sprintf("%s / %s", names, m.TakenAt.Format("2006")), SrcAuto)
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} else {
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m.SetTitle(names, SrcAuto)
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}
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} else if fileTitle == "" && len(labels) > 0 && labels[0].Priority >= -1 && labels[0].Uncertainty <= 85 && labels[0].Name != "" {
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if m.TakenSrc != SrcAuto {
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m.SetTitle(fmt.Sprintf("%s / %s", txt.Title(labels[0].Name), m.TakenAt.Format("2006")), SrcAuto)
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} else {
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m.SetTitle(txt.Title(labels[0].Name), SrcAuto)
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}
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} else if fileTitle != "" && len(fileTitle) <= 20 && !m.TakenAtLocal.IsZero() && m.TakenSrc != SrcAuto {
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m.SetTitle(fmt.Sprintf("%s / %s", fileTitle, m.TakenAtLocal.Format("2006")), SrcAuto)
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} else if fileTitle != "" {
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m.SetTitle(fileTitle, SrcAuto)
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} else {
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if m.TakenSrc != SrcAuto {
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m.SetTitle(fmt.Sprintf("%s / %s", UnknownTitle, m.TakenAt.Format("2006")), SrcAuto)
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} else {
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m.SetTitle(UnknownTitle, SrcAuto)
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}
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}
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}
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if m.PhotoTitle != oldTitle {
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log.Debugf("photo: %s has new title %s [%s]", m.String(), sanitize.Log(m.PhotoTitle), time.Since(start))
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}
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return nil
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}
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// UpdateAndSaveTitle updates the photo title and saves it.
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func (m *Photo) UpdateAndSaveTitle() error {
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if !m.HasID() {
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return fmt.Errorf("cannot save photo whithout id")
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}
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m.PhotoFaces = m.FaceCount()
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labels := m.ClassifyLabels()
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m.UpdateDateFields()
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if err := m.UpdateTitle(labels); err != nil {
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log.Info(err)
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}
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details := m.GetDetails()
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w := txt.UniqueWords(txt.Words(details.Keywords))
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w = append(w, labels.Keywords()...)
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details.Keywords = strings.Join(txt.UniqueWords(w), ", ")
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if err := m.IndexKeywords(); err != nil {
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log.Errorf("photo: %s", err.Error())
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}
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if err := m.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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// UpdateDescription updates the photo descriptions based on available metadata.
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func (m *Photo) UpdateDescription(people []string) {
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if m.DescriptionSrc != SrcAuto {
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return
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}
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// Add subject names to description when there's more than one person.
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if len(people) > 3 {
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m.PhotoDescription = txt.JoinNames(people, false)
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} else {
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m.PhotoDescription = ""
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}
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}
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// FileTitle returns a photo title based on the file name and/or path.
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func (m *Photo) FileTitle() string {
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// Generate title based on photo name, if not generated:
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if !fs.IsGenerated(m.PhotoName) {
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if title := txt.FileTitle(m.PhotoName); title != "" {
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return title
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}
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}
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// Generate title based on original file name, if any:
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if m.OriginalName != "" {
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if title := txt.FileTitle(m.OriginalName); !fs.IsGenerated(m.OriginalName) && title != "" {
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return title
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} else if title := txt.FileTitle(filepath.Dir(m.OriginalName)); title != "" {
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return title
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}
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}
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// Generate title based on photo path, if any:
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if m.PhotoPath != "" && !fs.IsGenerated(m.PhotoPath) {
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return txt.FileTitle(m.PhotoPath)
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}
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return ""
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}
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// SubjectNames returns all known subject names.
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func (m *Photo) SubjectNames() []string {
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if f, err := m.PrimaryFile(); err == nil {
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return f.SubjectNames()
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}
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return nil
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}
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// SubjectKeywords returns keywords for all known subject names.
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func (m *Photo) SubjectKeywords() []string {
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return txt.Words(strings.Join(m.SubjectNames(), " "))
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}
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