feat: filebrowser with encfs

search/conditions.go

@@ -0,0 +1,102 @@
+package search
+
+import (
+	"mime"
+	"path/filepath"
+	"regexp"
+	"strings"
+)
+
+var (
+	typeRegexp = regexp.MustCompile(`type:(\w+)`)
+)
+
+type condition func(path string) bool
+
+func extensionCondition(extension string) condition {
+	return func(path string) bool {
+		return filepath.Ext(path) == "."+extension
+	}
+}
+
+func imageCondition(path string) bool {
+	extension := filepath.Ext(path)
+	mimetype := mime.TypeByExtension(extension)
+
+	return strings.HasPrefix(mimetype, "image")
+}
+
+func audioCondition(path string) bool {
+	extension := filepath.Ext(path)
+	mimetype := mime.TypeByExtension(extension)
+
+	return strings.HasPrefix(mimetype, "audio")
+}
+
+func videoCondition(path string) bool {
+	extension := filepath.Ext(path)
+	mimetype := mime.TypeByExtension(extension)
+
+	return strings.HasPrefix(mimetype, "video")
+}
+
+func parseSearch(value string) *searchOptions {
+	opts := &searchOptions{
+		CaseSensitive: strings.Contains(value, "case:sensitive"),
+		Conditions:    []condition{},
+		Terms:         []string{},
+	}
+
+	// removes the options from the value
+	value = strings.Replace(value, "case:insensitive", "", -1)
+	value = strings.Replace(value, "case:sensitive", "", -1)
+	value = strings.TrimSpace(value)
+
+	types := typeRegexp.FindAllStringSubmatch(value, -1)
+	for _, t := range types {
+		if len(t) == 1 {
+			continue
+		}
+
+		switch t[1] {
+		case "image":
+			opts.Conditions = append(opts.Conditions, imageCondition)
+		case "audio", "music":
+			opts.Conditions = append(opts.Conditions, audioCondition)
+		case "video":
+			opts.Conditions = append(opts.Conditions, videoCondition)
+		default:
+			opts.Conditions = append(opts.Conditions, extensionCondition(t[1]))
+		}
+	}
+
+	if len(types) > 0 {
+		// Remove the fields from the search value.
+		value = typeRegexp.ReplaceAllString(value, "")
+	}
+
+	// If it's case insensitive, put everything in lowercase.
+	if !opts.CaseSensitive {
+		value = strings.ToLower(value)
+	}
+
+	// Remove the spaces from the search value.
+	value = strings.TrimSpace(value)
+
+	if value == "" {
+		return opts
+	}
+
+	// if the value starts with " and finishes what that character, we will
+	// only search for that term
+	if value[0] == '"' && value[len(value)-1] == '"' {
+		unique := strings.TrimPrefix(value, "\"")
+		unique = strings.TrimSuffix(unique, "\"")
+
+		opts.Terms = []string{unique}
+		return opts
+	}
+
+	opts.Terms = strings.Split(value, " ")
+	return opts
+}