chore: update
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@@ -0,0 +1,124 @@
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package handlers
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import "regexp"
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// ============================================================
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// Zones de livraison — minimum de commande par code postal
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// ============================================================
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// Remplis les listes de codes postaux quand tu les as.
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// Un code postal absent de toutes les zones → commande refusée.
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// ============================================================
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type deliveryZone struct {
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Name string
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MinAmount float64
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codes map[string]struct{}
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}
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var deliveryZones = []deliveryZone{
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{
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Name: "Zone 30€",
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MinAmount: 30.0,
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codes: postalSet([]string{
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"44000",
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"44100",
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"44200",
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"44300",
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}),
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},
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{
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Name: "Zone 50€",
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MinAmount: 50.0,
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codes: postalSet([]string{
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"44400", // Rezé
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"44880", // Les Sorinières / Sautron
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"44120", // Vertou
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"44230", // Saint-Sébastien-sur-Loire
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"44115", // Basse-Goulaine / Haute-Goulaine
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"44980", // Sainte-Luce-sur-Loire
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"44470", // Carquefou
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"44240", // La Chapelle-sur-Erdre
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"44700", // Orvault
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"44800", // Saint-Herblain
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"44340", // Bouguenais
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"44620", // La Montagne
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"44830", // Bouaye
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}),
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},
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{
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Name: "Zone 100€",
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MinAmount: 100.0,
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codes: postalSet([]string{
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"44860", // Pont-Saint-Martin / Saint-Aignan-Grandlieu
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"44220", // Couëron
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"44118", // La Chevrolière
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"44830", // Brains
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"44710", // Saint-Léger-les-Vignes
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"44690", // La Haie-Fouassière
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"44470", // Mauves-sur-Loire
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"44240", // Sucé-sur-Erdre
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"44119", // Grandchamp-des-Fontaines
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}),
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},
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}
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var postalCodeRe = regexp.MustCompile(`\b(\d{5})\b`)
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// postalSet convertit une slice de codes en set pour lookup O(1).
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func postalSet(codes []string) map[string]struct{} {
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m := make(map[string]struct{}, len(codes))
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for _, c := range codes {
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m[c] = struct{}{}
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}
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return m
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}
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// extractPostalCode extrait le premier code postal à 5 chiffres d'une adresse.
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func extractPostalCode(address string) string {
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m := postalCodeRe.FindStringSubmatch(address)
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if len(m) < 2 {
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return ""
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}
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return m[1]
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}
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// zoneCheckResult est le résultat de la vérification de zone.
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type zoneCheckResult struct {
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PostalCode string
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ZoneName string
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MinAmount float64
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OK bool
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}
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// checkDeliveryZone vérifie si le total respecte le minimum de la zone de l'adresse.
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// Code postal introuvable → OK = false (refus).
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// Code postal hors de toutes les zones → OK = false (refus).
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func checkDeliveryZone(deliveryAddress string, total float64) zoneCheckResult {
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code := extractPostalCode(deliveryAddress)
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if code == "" {
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return zoneCheckResult{
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PostalCode: "",
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ZoneName: "inconnue",
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MinAmount: 0,
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OK: false,
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}
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}
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for _, zone := range deliveryZones {
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if _, found := zone.codes[code]; found {
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return zoneCheckResult{
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PostalCode: code,
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ZoneName: zone.Name,
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MinAmount: zone.MinAmount,
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OK: total >= zone.MinAmount,
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}
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}
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}
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return zoneCheckResult{
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PostalCode: code,
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ZoneName: "hors zone",
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MinAmount: 0,
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OK: false,
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}
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}
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