initial commit from original sev version

internal/models/registration.go

@@ -0,0 +1,149 @@
+package models
+
+import (
+	"errors"
+	"strings"
+	"time"
+)
+
+const (
+	RoleReader = "Reader"
+	RoleAdmin  = "Admin"
+)
+
+var AbuseCategories = []string{
+	"physical",
+	"psychological",
+	"sexual",
+	"economic",
+	"material",
+	"digital",
+	"stalking",
+	"threats",
+	"honor_related",
+}
+
+var Genders = []string{"female", "male", "non_binary", "unknown"}
+var Statuses = []string{"new", "open", "referred", "closed"}
+
+// FaroeLocations is the fixed set of accepted location values for this POC.
+var FaroeLocations = []string{
+	"Akrar", "Argir", "Ánirnar", "Árnafjørður", "Bøur", "Dalur", "Depil", "Eiði",
+	"Elduvík", "Fámjin", "Froðba", "Fuglafjørður", "Funningsfjørður", "Funningur",
+	"Gásadalur", "Gjógv", "Glyvrar", "Gøtugjógv", "Haldórsvík", "Haraldssund",
+	"Hattarvík", "Hellurnar", "Hestur", "Hov", "Hoyvík", "Hósvík", "Húsar",
+	"Húsavík", "Hvalba", "Hvalvík", "Hvannasund", "Hvítanes", "Innan Glyvur",
+	"Kaldbak", "Kaldbaksbotnur", "Kirkja", "Kirkjubøur", "Klaksvík", "Kolbeinagjógv",
+	"Kollafjørður", "Koltur", "Kunoy", "Kvívík", "Lamba", "Lambareiði", "Langasandur",
+	"Leirvík", "Leynar", "Ljósá", "Lopra", "Miðvágur", "Mikladalur", "Mjørkadalur",
+	"Morskranes", "Múli", "Mykines", "Nes", "Nesvík", "Nólsoy", "Norðdepil",
+	"Norðoyri", "Norðradalur", "Norðragøta", "Norðskáli", "Norðtoftir", "Oyndarfjørður",
+	"Oyrarbakki", "Oyrareingir", "Oyri", "Porkeri", "Rituvík", "Runavík", "Saksun",
+	"Saltangará", "Saltnes", "Sandavágur", "Sandur", "Sandvík", "Selatrað", "Signabøur",
+	"Skarvanes", "Skála", "Skálafjørður/Skálabotnur", "Skálafjørður (Eysturkommuna)",
+	"Skálavík", "Skipanes", "Skopun", "Skúgvoy", "Skælingur", "Stóra Dímun",
+	"Strendur", "Streymnes", "Stykkið", "Sumba", "Sund", "Svínáir", "Svínoy",
+	"Syðradalur (Kalsoy)", "Syðradalur (Streymoy)", "Syðrugøta", "Søldarfjørður",
+	"Sørvágur", "Tjørnuvík", "Toftir", "Tórshavn", "Trongisvágur", "Trøllanes",
+	"Tvøroyri", "Undir Gøtueiði", "Vatnsoyrar", "Vágur", "Válur", "Velbastaður",
+	"Vestmanna", "Viðareiði", "Víkarbyrgi", "Æðuvík", "Ørðavík/Øravík", "Øravíkarlíð",
+}
+
+type Registration struct {
+	ID           string `json:"id"`
+	RegisteredAt string `json:"registered_at"`
+	Gender       string `json:"gender"`
+	Location     string `json:"location"`
+	AbuseType    string `json:"abuse_type"`
+	Status       string `json:"status"`
+}
+
+type RegistrationFilter struct {
+	Location  string
+	AbuseType string
+	Gender    string
+	Status    string
+	Search    string
+	From      time.Time
+	To        time.Time
+	HasFrom   bool
+	HasTo     bool
+	Limit     int
+	Offset    int
+}
+
+func NormalizeRegistration(input *Registration) error {
+	registeredAt := strings.TrimSpace(input.RegisteredAt)
+	if registeredAt == "" {
+		input.RegisteredAt = time.Now().UTC().Format(time.RFC3339)
+	} else {
+		parsed, err := ParseInputTime(registeredAt)
+		if err != nil {
+			return errors.New("registered_at must be RFC3339 or YYYY-MM-DD")
+		}
+		input.RegisteredAt = parsed.UTC().Format(time.RFC3339)
+	}
+
+	gender := strings.ToLower(strings.TrimSpace(input.Gender))
+	if gender == "" {
+		gender = "unknown"
+	}
+	if !ContainsFold(Genders, gender) {
+		return errors.New("gender must be one of: female, male, non_binary, unknown")
+	}
+	input.Gender = gender
+
+	location, ok := CanonicalLocation(input.Location)
+	if !ok {
+		return errors.New("location must be one of the allowed Faroese towns/villages")
+	}
+	input.Location = location
+
+	abuseType := strings.ToLower(strings.TrimSpace(input.AbuseType))
+	if !ContainsFold(AbuseCategories, abuseType) {
+		return errors.New("abuse_type must be one of the allowed categories")
+	}
+	input.AbuseType = abuseType
+
+	status := strings.ToLower(strings.TrimSpace(input.Status))
+	if status == "" {
+		status = "new"
+	}
+	if !ContainsFold(Statuses, status) {
+		return errors.New("status must be one of: new, open, referred, closed")
+	}
+	input.Status = status
+
+	return nil
+}
+
+func ParseInputTime(value string) (time.Time, error) {
+	value = strings.TrimSpace(value)
+	if parsed, err := time.Parse(time.RFC3339, value); err == nil {
+		return parsed, nil
+	}
+	if parsed, err := time.Parse("2006-01-02", value); err == nil {
+		return parsed, nil
+	}
+	return time.Time{}, errors.New("invalid time")
+}
+
+func CanonicalLocation(value string) (string, bool) {
+	needle := strings.ToLower(strings.TrimSpace(value))
+	for _, location := range FaroeLocations {
+		if strings.ToLower(location) == needle {
+			return location, true
+		}
+	}
+	return "", false
+}
+
+func ContainsFold(values []string, needle string) bool {
+	needle = strings.ToLower(strings.TrimSpace(needle))
+	for _, value := range values {
+		if strings.ToLower(strings.TrimSpace(value)) == needle {
+			return true
+		}
+	}
+	return false
+}