80 lines
1.3 KiB
Go
80 lines
1.3 KiB
Go
package entity
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import (
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"strings"
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"time"
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"github.com/photoprism/photoprism/pkg/txt"
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)
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var QualityBlacklist = map[string]bool{
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"screenshot": true,
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"screenshots": true,
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"info": true,
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}
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var (
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year2008 = time.Date(2008, 1, 1, 0, 0, 0, 0, time.UTC)
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year2012 = time.Date(2012, 1, 1, 0, 0, 0, 0, time.UTC)
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)
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// QualityScore returns a score based on photo properties like size and metadata.
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func (m *Photo) QualityScore() (score int) {
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if m.PhotoFavorite {
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score += 3
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}
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if m.TakenSrc != SrcAuto {
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score++
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}
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if m.HasLatLng() {
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score++
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}
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if m.TakenAt.Before(year2008) {
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score++
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} else if m.TakenAt.Before(year2012) && m.PhotoResolution >= 1 {
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score++
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} else if m.PhotoResolution >= 2 {
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score++
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}
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blacklisted := false
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details := m.GetDetails()
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if details.Keywords != "" {
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keywords := txt.Words(details.Keywords)
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for _, w := range keywords {
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w = strings.ToLower(w)
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if _, ok := QualityBlacklist[w]; ok {
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blacklisted = true
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break
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}
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}
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}
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if !blacklisted {
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score++
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}
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if score < 3 && (m.PhotoType != TypeImage || m.EditedAt != nil) {
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score = 3
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}
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return score
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}
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// UpdateQuality updates the photo quality attribute.
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func (m *Photo) UpdateQuality() error {
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if m.DeletedAt != nil || m.PhotoQuality < 0 {
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return nil
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}
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m.PhotoQuality = m.QualityScore()
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return m.Update("PhotoQuality", m.PhotoQuality)
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}
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