31 lines
954 B
Go
31 lines
954 B
Go
package domain
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import (
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"regexp"
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"time"
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"github.com/google/uuid"
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)
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// Category is a hierarchical grouping for datasets. A category may have a parent
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// category (nil for a root) and many child categories.
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type Category struct {
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ID uuid.UUID `json:"id"`
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ParentID *uuid.UUID `json:"parent_id"`
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Code string `json:"code"`
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Name string `json:"name"`
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Description string `json:"description"`
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CreatedAt time.Time `json:"created_at"`
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UpdatedAt time.Time `json:"updated_at"`
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}
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// slugPattern matches a slug: lowercase latin letters and digits in
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// dash-separated groups, e.g. "population", "land-use-2024".
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var slugPattern = regexp.MustCompile(`^[a-z0-9]+(?:-[a-z0-9]+)*$`)
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// ValidSlug reports whether s is a valid slug (lowercase latin letters, digits,
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// and single dashes between groups; no leading, trailing, or repeated dashes).
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func ValidSlug(s string) bool {
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return slugPattern.MatchString(s)
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}
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