1package domain
 2
 3import (
 4	"errors"
 5	"regexp"
 6
 7	"gitlab.com/mokhax/sparkled/pkg/pls"
 8)
 9
10type Sparkle struct {
11	ID       string `json:"id" jsonapi:"primary,sparkles"`
12	Sparklee string `json:"sparklee" jsonapi:"attr,sparklee"`
13	Reason   string `json:"reason" jsonapi:"attr,reason"`
14}
15
16var SparkleRegex = regexp.MustCompile(`\A\s*(?P<sparklee>@\w+)\s+(?P<reason>.+)\z`)
17var SparkleeIndex = SparkleRegex.SubexpIndex("sparklee")
18var ReasonIndex = SparkleRegex.SubexpIndex("reason")
19
20var ReasonIsRequired = errors.New("Reason is required")
21var SparkleIsEmpty = errors.New("Sparkle is empty")
22var SparkleIsInvalid = errors.New("Sparkle is invalid")
23var SparkleeIsRequired = errors.New("Sparklee is required")
24
25func NewSparkle(text string) (*Sparkle, error) {
26	if len(text) == 0 {
27		return nil, SparkleIsEmpty
28	}
29
30	matches := SparkleRegex.FindStringSubmatch(text)
31	if len(matches) == 0 {
32		return nil, SparkleIsInvalid
33	}
34
35	return &Sparkle{
36		ID:       pls.GenerateULID(),
37		Sparklee: matches[SparkleeIndex],
38		Reason:   matches[ReasonIndex],
39	}, nil
40}
41
42func (s *Sparkle) Validate() error {
43	if s.Sparklee == "" {
44		return SparkleeIsRequired
45	}
46	if s.Reason == "" {
47		return ReasonIsRequired
48	}
49	return nil
50}