From 0f9fcf3fdc561082906d01523505dc42e64e1f06 Mon Sep 17 00:00:00 2001
From: Pete Matsyburka <pete@docuseal.com>
Date: Thu, 24 Sep 2026 19:56:27 +0300
Subject: [PATCH] one field per party validation

---
 app/javascript/template_builder/builder.vue | 22 +++++++++++++++++++++
 app/javascript/template_builder/i18n.js     |  7 +++++++
 2 files changed, 29 insertions(+)

diff --git a/app/javascript/template_builder/builder.vue b/app/javascript/template_builder/builder.vue
index 7f6e2f648..a45882397 100644
--- a/app/javascript/template_builder/builder.vue
+++ b/app/javascript/template_builder/builder.vue
@@ -2300,6 +2300,10 @@ export default {
       this.save()
     },
     addField (type, area = null) {
+      if (this.isVerificationFieldAdded(type)) {
+        return
+      }
+
       const field = {
         name: '',
         uuid: v4(),
@@ -2343,12 +2347,26 @@ export default {
 
       this.save()
     },
+    isVerificationFieldAdded (type) {
+      const addedField = ['kba', 'verification'].includes(type) &&
+        this.template.fields.find((f) => ['kba', 'verification'].includes(f.type) && f.submitter_uuid === this.selectedSubmitter.uuid)
+
+      if (addedField) {
+        alert(this.t('field_has_already_been_added_for_party').replace('{field}', this.fieldNames[addedField.type]).replace('{party}', this.selectedSubmitter.name))
+      }
+
+      return !!addedField
+    },
     startFieldDraw ({ name, type }) {
       const existingField = this.template.fields?.find((f) => f.submitter_uuid === this.selectedSubmitter.uuid && name && name === f.name)
 
       if (existingField) {
         this.drawField = existingField
       } else {
+        if (this.isVerificationFieldAdded(type)) {
+          return
+        }
+
         const field = {
           name: name || '',
           uuid: v4(),
@@ -3089,6 +3107,10 @@ export default {
         return this.dropCustomField(area)
       }
 
+      if (!this.fieldsDragFieldRef.value && this.isVerificationFieldAdded(this.dragField.type)) {
+        return
+      }
+
       const field = this.fieldsDragFieldRef.value || {
         name: '',
         uuid: v4(),
diff --git a/app/javascript/template_builder/i18n.js b/app/javascript/template_builder/i18n.js
index a91158fdb..956d8d578 100644
--- a/app/javascript/template_builder/i18n.js
+++ b/app/javascript/template_builder/i18n.js
@@ -4,6 +4,7 @@ const en = {
   default: 'Default',
   save_as_custom_field: 'Save as custom field',
   kba: 'KBA',
+  field_has_already_been_added_for_party: '{field} field has already been added for {party}',
   analyzing_: 'Analyzing...',
   download: 'Download',
   downloading_: 'Downloading...',
@@ -256,6 +257,7 @@ const es = {
   default: 'Predeterminado',
   save_as_custom_field: 'Guardar como personalizado',
   kba: 'KBA',
+  field_has_already_been_added_for_party: 'El campo {field} ya se ha agregado para {party}',
   autodetect_fields: 'Autodetectar campos',
   fields_detected: '{count} campos detectados',
   analyzing_: 'Analizando...',
@@ -508,6 +510,7 @@ const it = {
   default: 'Predefinito',
   save_as_custom_field: 'Salva come personalizzato',
   kba: 'KBA',
+  field_has_already_been_added_for_party: 'Il campo {field} è già stato aggiunto per {party}',
   autodetect_fields: 'Rileva campi',
   fields_detected: '{count} campi rilevati',
   analyzing_: 'Analisi...',
@@ -760,6 +763,7 @@ const pt = {
   default: 'Padrão',
   save_as_custom_field: 'Salvar como personalizado',
   kba: 'KBA',
+  field_has_already_been_added_for_party: 'O campo {field} já foi adicionado para {party}',
   autodetect_fields: 'Detectar campos',
   fields_detected: '{count} campos detectados',
   analyzing_: 'Analisando...',
@@ -1012,6 +1016,7 @@ const fr = {
   default: 'Par défaut',
   save_as_custom_field: 'Enregistrer comme personnalisé',
   kba: 'KBA',
+  field_has_already_been_added_for_party: 'Le champ {field} a déjà été ajouté pour {party}',
   autodetect_fields: 'Détecter les champs',
   fields_detected: '{count} champs détectés',
   analyzing_: 'Analyse...',
@@ -1264,6 +1269,7 @@ const de = {
   default: 'Standard',
   save_as_custom_field: 'Als benutzerdefiniert speichern',
   kba: 'KBA',
+  field_has_already_been_added_for_party: '{field}-Feld wurde bereits für {party} hinzugefügt',
   autodetect_fields: 'Felder erkennen',
   fields_detected: '{count} Felder erkannt',
   analyzing_: 'Analysiere...',
@@ -1516,6 +1522,7 @@ const nl = {
   default: 'Standaard',
   save_as_custom_field: 'Opslaan als aangepast',
   kba: 'KBA',
+  field_has_already_been_added_for_party: '{field}-veld is al toegevoegd voor {party}',
   autodetect_fields: 'Velden detecteren',
   fields_detected: '{count} velden gedetecteerd',
   analyzing_: 'Analyseren...',