frontend/modules/commercial/pages/suppliers/[id]/edit.vue

@@ -590,7 +590,7 @@ async function submitMain(): Promise<void> {
     mainSubmitting.value = true
     mainErrors.clearErrors()
     try {
-        const updated = await api.patch<SupplierDetail>(`/suppliers/${supplierId}`, buildMainPayload(main), {
+        const updated = await api.patch<SupplierDetail>(`/suppliers/${supplierId}`, buildMainPayload(main, { forUpdate: true }), {
             headers: { Accept: 'application/ld+json' },
             toast: false,
         })
@@ -750,7 +750,10 @@ async function submitAddresses(): Promise<void> {
             addresses.value,
             addressErrors,
             async (address) => {
-                const body = buildAddressPayload(address)
+                // Edition d'une adresse existante : champ requis vide envoye en `''`
+                // (NotBlank 422) au lieu d'etre omis — sinon le PATCH garderait
+                // l'ancienne valeur (faux 200). Creation (id null) : omit classique.
+                const body = buildAddressPayload(address, { forUpdate: address.id !== null })
                 if (address.id === null) {
                     const created = await api.post<{ id: number }>(
                         `/suppliers/${supplierId}/addresses`,
@@ -843,7 +846,9 @@ async function submitAccounting(): Promise<void> {
             ribs.value,
             ribErrors,
             async (rib) => {
-                const body = buildRibPayload(rib)
+                // Edition d'un RIB existant : champ requis vide envoye en `''` (NotBlank
+                // 422) au lieu d'etre omis (sinon le PATCH garderait l'ancienne valeur).
+                const body = buildRibPayload(rib, { forUpdate: rib.id !== null })
                 if (rib.id === null) {
                     const created = await api.post<{ id: number }>(
                         `/suppliers/${supplierId}/ribs`,

frontend/modules/commercial/utils/__tests__/supplierEdit.spec.ts

@@ -22,11 +22,17 @@ describe('buildMainPayload (groupe supplier:write:main)', () => {
         })
     })
 
-    it('omet companyName vide (-> 422 NotBlank, ERP-119)', () => {
+    it('CREATION : omet companyName vide (-> 422 NotBlank, ERP-119)', () => {
         const payload = buildMainPayload({ companyName: null, categoryIris: [] })
         expect('companyName' in payload).toBe(false)
         expect(payload.categories).toEqual([])
     })
+
+    it('EDITION (forUpdate) : companyName vide envoye en `\'\'` (PATCH -> 422 NotBlank, pas un faux 200)', () => {
+        const payload = buildMainPayload({ companyName: '', categoryIris: [] }, { forUpdate: true })
+        expect('companyName' in payload).toBe(true)
+        expect(payload.companyName).toBe('')
+    })
 })
 
 describe('buildInformationPayload (groupe supplier:write:information)', () => {
@@ -91,6 +97,16 @@ describe('buildAddressPayload (sous-ressource supplier_address — specificites
         expect('addressType' in payload).toBe(false)
     })
 
+    it('EDITION (forUpdate) : un champ requis vide est envoye en `\'\'` (et NON omis) pour declencher la 422 NotBlank au PATCH', () => {
+        // Bug edition : omettre la cle d'un champ requis vide laisse le PATCH garder
+        // l'ancienne valeur (faux 200). En `forUpdate`, on envoie `''` -> NotBlank 422.
+        const payload = buildAddressPayload({ ...emptyAddress(), addressType: 'DEPART', postalCode: '' }, { forUpdate: true })
+        expect('postalCode' in payload).toBe(true)
+        expect(payload.postalCode).toBe('')
+        // Un champ requis renseigne reste tel quel.
+        expect(payload.addressType).toBe('DEPART')
+    })
+
     it('n\'expose jamais d\'email de facturation (difference M1)', () => {
         const payload = buildAddressPayload({ ...emptyAddress(), addressType: 'DEPART' })
         expect('billingEmail' in payload).toBe(false)

frontend/modules/commercial/utils/supplierEdit.ts

@@ -13,6 +13,7 @@
 
 import {
     ADDRESS_REQUIRED_NON_NULLABLE_KEYS,
+    blankEmptyRequired,
     MAIN_REQUIRED_NON_NULLABLE_KEYS,
     omitEmptyRequired,
     RIB_REQUIRED_NON_NULLABLE_KEYS,
@@ -138,14 +139,37 @@ export function resolveTabEditability(abilities: SupplierEditAbilities): TabEdit
 // ── Scoping strict des payloads PATCH/POST ──────────────────────────────────
 
 /**
- * Payload du bloc principal — groupe supplier:write:main UNIQUEMENT.
- * companyName omis si vide -> 422 NotBlank au lieu d'un 400 de type (ERP-119).
+ * Options de construction d'un payload d'ecriture.
+ *  - `forUpdate: false` (defaut, CREATION/POST) : les champs requis vides sont OMIS
+ *    -> 422 NotBlank a l'insert (le back ne reçoit pas la cle).
+ *  - `forUpdate: true` (EDITION/PATCH d'une ligne existante) : les champs requis
+ *    vides sont envoyes en `''` -> 422 NotBlank (sinon une cle omise laisse la valeur
+ *    serveur inchangee, faux 200 — cf. blankEmptyRequired).
  */
-export function buildMainPayload(main: MainFormDraft): Record<string, unknown> {
-    return omitEmptyRequired({
+export interface BuildPayloadOptions {
+    forUpdate?: boolean
+}
+
+/** Selectionne le finaliseur des champs requis selon création (omit) vs édition (blank). */
+function finalizeRequired<T extends Record<string, unknown>>(
+    payload: T,
+    requiredKeys: readonly string[],
+    options: BuildPayloadOptions,
+): T {
+    return options.forUpdate
+        ? blankEmptyRequired(payload, requiredKeys)
+        : omitEmptyRequired(payload, requiredKeys)
+}
+
+/**
+ * Payload du bloc principal — groupe supplier:write:main UNIQUEMENT.
+ * companyName vide -> 422 NotBlank (omis a la creation, `''` en edition — ERP-119).
+ */
+export function buildMainPayload(main: MainFormDraft, options: BuildPayloadOptions = {}): Record<string, unknown> {
+    return finalizeRequired({
         companyName: main.companyName,
         categories: main.categoryIris,
-    }, MAIN_REQUIRED_NON_NULLABLE_KEYS)
+    }, MAIN_REQUIRED_NON_NULLABLE_KEYS, options)
 }
 
 /** Payload de l'onglet Information — groupe supplier:write:information UNIQUEMENT. */
@@ -200,8 +224,8 @@ export function buildContactPayload(contact: SupplierContactFormDraft): Record<s
  * `bennes` (entier, 0 par defaut) + `triageProvider` (booleen). Pas d'email de
  * facturation (difference M1).
  */
-export function buildAddressPayload(address: SupplierAddressFormDraft): Record<string, unknown> {
-    return omitEmptyRequired({
+export function buildAddressPayload(address: SupplierAddressFormDraft, options: BuildPayloadOptions = {}): Record<string, unknown> {
+    return finalizeRequired({
         addressType: address.addressType,
         country: address.country,
         postalCode: address.postalCode || null,
@@ -213,14 +237,14 @@ export function buildAddressPayload(address: SupplierAddressFormDraft): Record<s
         contacts: address.contactIris,
         bennes: address.bennes !== null && address.bennes !== '' ? Number(address.bennes) : null,
         triageProvider: address.triageProvider,
-    }, ADDRESS_REQUIRED_NON_NULLABLE_KEYS)
+    }, ADDRESS_REQUIRED_NON_NULLABLE_KEYS, options)
 }
 
 /** Payload d'un RIB (sous-ressource supplier_rib). */
-export function buildRibPayload(rib: SupplierRibFormDraft): Record<string, unknown> {
-    return omitEmptyRequired({
+export function buildRibPayload(rib: SupplierRibFormDraft, options: BuildPayloadOptions = {}): Record<string, unknown> {
+    return finalizeRequired({
         label: rib.label,
         bic: rib.bic,
         iban: rib.iban,
-    }, RIB_REQUIRED_NON_NULLABLE_KEYS)
+    }, RIB_REQUIRED_NON_NULLABLE_KEYS, options)
 }

frontend/modules/commercial/utils/supplierFormRules.ts

@@ -217,3 +217,28 @@ export function omitEmptyRequired<T extends Record<string, unknown>>(
 
     return payload
 }
+
+/**
+ * Variante PATCH (edition d'une ligne EXISTANTE) : remplace les cles requises
+ * laissees vides par une chaine vide `''` au lieu de les OMETTRE.
+ *
+ * Pourquoi pas `omitEmptyRequired` en edition : un PATCH a semantique merge — une
+ * cle absente laisse la valeur serveur INCHANGEE. Vider un champ requis puis valider
+ * renverrait alors un 200 trompeur (l'ancienne valeur est conservee). En envoyant
+ * `''`, la propriete `?string` est bien deserialisee (pas de 400 de type, contrairement
+ * a `null` sur une colonne non-nullable), puis le Validator `NotBlank(trim)` la rejette
+ * -> 422 avec propertyPath, mappee inline sous le champ. Mute et retourne le payload.
+ */
+export function blankEmptyRequired<T extends Record<string, unknown>>(
+    payload: T,
+    requiredKeys: readonly string[],
+): T {
+    for (const key of requiredKeys) {
+        const value = payload[key]
+        if (value === null || value === undefined || value === '') {
+            (payload as Record<string, unknown>)[key] = ''
+        }
+    }
+
+    return payload
+}