103 lines
2.4 KiB
Go
103 lines
2.4 KiB
Go
package meta
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import (
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"regexp"
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"strings"
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"github.com/photoprism/photoprism/pkg/fs"
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"github.com/photoprism/photoprism/pkg/txt"
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)
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var UnwantedDescriptions = map[string]bool{
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"OLYMPUS DIGITAL CAMERA": true, // Olympus
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"SAMSUNG": true, // Samsung
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"rhdr": true, // Huawei
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"hdrpl": true,
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"fbt": true,
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"mon": true,
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"nor": true,
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"dav": true,
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"mde": true,
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"mde_soft": true,
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"edf": true,
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"btfmdn": true,
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"btf": true,
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"btfhdr": true,
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"frem": true,
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"oznor": true,
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"rpt": true,
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"burst": true,
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"sdr_HDRB": true,
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"cof": true,
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"qrf": true,
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}
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var LowerCaseRegexp = regexp.MustCompile("[a-z0-9_\\-]+")
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// SanitizeString removes unwanted character from an exif value string.
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func SanitizeString(s string) string {
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if s == "" {
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return ""
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}
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s = strings.TrimSpace(s)
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return strings.Replace(s, "\"", "", -1)
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}
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// SanitizeUID normalizes unique IDs found in XMP or Exif metadata.
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func SanitizeUID(value string) string {
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value = SanitizeString(value)
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if start := strings.LastIndex(value, ":"); start != -1 {
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value = value[start+1:]
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}
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// Not a unique ID?
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if len(value) < 15 || len(value) > 36 {
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value = ""
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}
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return strings.ToLower(value)
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}
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// SanitizeTitle normalizes titles and removes unwanted information.
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func SanitizeTitle(title string) string {
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s := SanitizeString(title)
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if s == "" {
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return ""
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}
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result := fs.StripKnownExt(s)
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if fs.IsGenerated(result) || txt.IsTime(result) {
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result = ""
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} else if result == s {
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// Do nothing.
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} else if found := LowerCaseRegexp.FindString(result); found != result {
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result = strings.ReplaceAll(strings.ReplaceAll(result, "_", " "), " ", " ")
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} else if formatted := txt.FileTitle(s); formatted != "" {
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result = formatted
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} else {
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result = txt.Title(strings.ReplaceAll(result, "-", " "))
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}
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return result
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}
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// SanitizeDescription normalizes descriptions and removes unwanted information.
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func SanitizeDescription(s string) string {
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s = SanitizeString(s)
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if s == "" {
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return ""
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} else if remove := UnwantedDescriptions[s]; remove {
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s = ""
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} else if strings.HasPrefix(s, "DCIM\\") && !strings.Contains(s, " ") {
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s = ""
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}
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return s
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}
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