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Autotag scraper (#1817)
* Refactor scraper structures * Move matching code into new package * Add autotag scraper * Always check first letter of auto-tag names * Account for nulls Co-authored-by: Kermie <kermie@isinthe.house>
This commit is contained in:
WithoutPants
358
pkg/match/path.go
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358
pkg/match/path.go
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@@ -0,0 +1,358 @@
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package match
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import (
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"fmt"
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"path/filepath"
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"regexp"
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"strings"
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"github.com/stashapp/stash/pkg/models"
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)
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const separatorChars = `.\-_ `
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func getPathQueryRegex(name string) string {
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// escape specific regex characters
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name = regexp.QuoteMeta(name)
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// handle path separators
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const separator = `[` + separatorChars + `]`
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ret := strings.Replace(name, " ", separator+"*", -1)
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ret = `(?:^|_|[^\w\d])` + ret + `(?:$|_|[^\w\d])`
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return ret
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}
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func getPathWords(path string) []string {
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retStr := path
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// remove the extension
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ext := filepath.Ext(retStr)
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if ext != "" {
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retStr = strings.TrimSuffix(retStr, ext)
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}
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// handle path separators
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const separator = `(?:_|[^\w\d])+`
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re := regexp.MustCompile(separator)
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retStr = re.ReplaceAllString(retStr, " ")
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words := strings.Split(retStr, " ")
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// remove any single letter words
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var ret []string
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for _, w := range words {
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if len(w) > 1 {
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// #1450 - we need to open up the criteria for matching so that we
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// can match where path has no space between subject names -
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// ie name = "foo bar" - path = "foobar"
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// we post-match afterwards, so we can afford to be a little loose
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// with the query
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// just use the first two characters
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ret = append(ret, w[0:2])
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}
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}
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return ret
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}
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func nameMatchesPath(name, path string) bool {
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// escape specific regex characters
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name = regexp.QuoteMeta(name)
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name = strings.ToLower(name)
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path = strings.ToLower(path)
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// handle path separators
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const separator = `[` + separatorChars + `]`
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reStr := strings.Replace(name, " ", separator+"*", -1)
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reStr = `(?:^|_|[^\w\d])` + reStr + `(?:$|_|[^\w\d])`
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re := regexp.MustCompile(reStr)
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return re.MatchString(path)
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}
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func PathToPerformers(path string, performerReader models.PerformerReader) ([]*models.Performer, error) {
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words := getPathWords(path)
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performers, err := performerReader.QueryForAutoTag(words)
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if err != nil {
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return nil, err
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}
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var ret []*models.Performer
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for _, p := range performers {
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// TODO - commenting out alias handling until both sides work correctly
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if nameMatchesPath(p.Name.String, path) { // || nameMatchesPath(p.Aliases.String, path) {
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ret = append(ret, p)
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}
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}
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return ret, nil
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}
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func PathToStudios(path string, reader models.StudioReader) ([]*models.Studio, error) {
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words := getPathWords(path)
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candidates, err := reader.QueryForAutoTag(words)
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if err != nil {
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return nil, err
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}
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var ret []*models.Studio
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for _, c := range candidates {
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matches := false
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if nameMatchesPath(c.Name.String, path) {
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matches = true
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}
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if !matches {
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aliases, err := reader.GetAliases(c.ID)
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if err != nil {
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return nil, err
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}
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for _, alias := range aliases {
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if nameMatchesPath(alias, path) {
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matches = true
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break
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}
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}
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}
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if matches {
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ret = append(ret, c)
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}
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}
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return ret, nil
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}
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func PathToTags(path string, tagReader models.TagReader) ([]*models.Tag, error) {
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words := getPathWords(path)
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tags, err := tagReader.QueryForAutoTag(words)
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if err != nil {
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return nil, err
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}
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var ret []*models.Tag
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for _, t := range tags {
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matches := false
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if nameMatchesPath(t.Name, path) {
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matches = true
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}
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if !matches {
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aliases, err := tagReader.GetAliases(t.ID)
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if err != nil {
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return nil, err
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}
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for _, alias := range aliases {
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if nameMatchesPath(alias, path) {
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matches = true
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break
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}
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}
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}
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if matches {
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ret = append(ret, t)
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}
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}
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return ret, nil
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}
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func scenePathsFilter(paths []string) *models.SceneFilterType {
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if paths == nil {
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return nil
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}
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sep := string(filepath.Separator)
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var ret *models.SceneFilterType
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var or *models.SceneFilterType
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for _, p := range paths {
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newOr := &models.SceneFilterType{}
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if or != nil {
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or.Or = newOr
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} else {
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ret = newOr
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}
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or = newOr
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if !strings.HasSuffix(p, sep) {
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p = p + sep
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}
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or.Path = &models.StringCriterionInput{
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Modifier: models.CriterionModifierEquals,
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Value: p + "%",
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}
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}
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return ret
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}
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func PathToScenes(name string, paths []string, sceneReader models.SceneReader) ([]*models.Scene, error) {
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regex := getPathQueryRegex(name)
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organized := false
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filter := models.SceneFilterType{
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Path: &models.StringCriterionInput{
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Value: "(?i)" + regex,
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Modifier: models.CriterionModifierMatchesRegex,
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},
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Organized: &organized,
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}
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filter.And = scenePathsFilter(paths)
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pp := models.PerPageAll
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scenes, _, err := sceneReader.Query(&filter, &models.FindFilterType{
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PerPage: &pp,
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})
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if err != nil {
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return nil, fmt.Errorf("error querying scenes with regex '%s': %s", regex, err.Error())
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}
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var ret []*models.Scene
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for _, p := range scenes {
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if nameMatchesPath(name, p.Path) {
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ret = append(ret, p)
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}
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}
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return ret, nil
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}
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func imagePathsFilter(paths []string) *models.ImageFilterType {
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if paths == nil {
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return nil
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}
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sep := string(filepath.Separator)
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var ret *models.ImageFilterType
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var or *models.ImageFilterType
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for _, p := range paths {
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newOr := &models.ImageFilterType{}
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if or != nil {
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or.Or = newOr
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} else {
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ret = newOr
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}
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or = newOr
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if !strings.HasSuffix(p, sep) {
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p = p + sep
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}
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or.Path = &models.StringCriterionInput{
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Modifier: models.CriterionModifierEquals,
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Value: p + "%",
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}
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}
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return ret
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}
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func PathToImages(name string, paths []string, imageReader models.ImageReader) ([]*models.Image, error) {
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regex := getPathQueryRegex(name)
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organized := false
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filter := models.ImageFilterType{
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Path: &models.StringCriterionInput{
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Value: "(?i)" + regex,
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Modifier: models.CriterionModifierMatchesRegex,
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},
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Organized: &organized,
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}
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filter.And = imagePathsFilter(paths)
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pp := models.PerPageAll
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images, _, err := imageReader.Query(&filter, &models.FindFilterType{
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PerPage: &pp,
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})
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if err != nil {
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return nil, fmt.Errorf("error querying images with regex '%s': %s", regex, err.Error())
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}
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var ret []*models.Image
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for _, p := range images {
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if nameMatchesPath(name, p.Path) {
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ret = append(ret, p)
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}
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}
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return ret, nil
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}
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func galleryPathsFilter(paths []string) *models.GalleryFilterType {
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if paths == nil {
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return nil
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}
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sep := string(filepath.Separator)
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var ret *models.GalleryFilterType
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var or *models.GalleryFilterType
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for _, p := range paths {
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newOr := &models.GalleryFilterType{}
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if or != nil {
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or.Or = newOr
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} else {
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ret = newOr
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}
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or = newOr
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if !strings.HasSuffix(p, sep) {
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p = p + sep
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}
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or.Path = &models.StringCriterionInput{
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Modifier: models.CriterionModifierEquals,
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Value: p + "%",
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}
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}
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return ret
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}
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func PathToGalleries(name string, paths []string, galleryReader models.GalleryReader) ([]*models.Gallery, error) {
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regex := getPathQueryRegex(name)
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organized := false
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filter := models.GalleryFilterType{
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Path: &models.StringCriterionInput{
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Value: "(?i)" + regex,
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Modifier: models.CriterionModifierMatchesRegex,
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},
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Organized: &organized,
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}
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filter.And = galleryPathsFilter(paths)
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pp := models.PerPageAll
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gallerys, _, err := galleryReader.Query(&filter, &models.FindFilterType{
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PerPage: &pp,
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})
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if err != nil {
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return nil, fmt.Errorf("error querying gallerys with regex '%s': %s", regex, err.Error())
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}
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var ret []*models.Gallery
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for _, p := range gallerys {
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if nameMatchesPath(name, p.Path.String) {
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ret = append(ret, p)
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}
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}
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return ret, nil
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}
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