setting for two mail fields on signup

InvenTree/InvenTree/forms.py

@@ -13,7 +13,7 @@ from crispy_forms.helper import FormHelper
 from crispy_forms.layout import Layout, Field
 from crispy_forms.bootstrap import PrependedText, AppendedText, PrependedAppendedText, StrictButton, Div
 
-from allauth.account.forms import SignupForm
+from allauth.account.forms import SignupForm, set_form_field_order
 from allauth.socialaccount.adapter import DefaultSocialAccountAdapter
 
 from part.models import PartCategory
@@ -216,8 +216,36 @@ class CustomSignupForm(SignupForm):
     """
     def __init__(self, *args, **kwargs):
         kwargs['email_required'] = InvenTreeSetting.get_setting('LOGIN_MAIL_REQUIRED')
+
         super().__init__(*args, **kwargs)
 
+        # check for two mail fields
+        if InvenTreeSetting.get_setting('LOGIN_SIGNUP_MAIL_TWICE'):
+            self.fields["email2"] = forms.EmailField(
+                label=_("E-mail (again)"),
+                widget=forms.TextInput(
+                    attrs={
+                        "type": "email",
+                        "placeholder": _("E-mail address confirmation"),
+                    }
+                ),
+            )
+
+            # reorder fields
+            set_form_field_order(self, ["username", "email", "email2", "password1", "password2", ])
+
+    def clean(self):
+        cleaned_data = super().clean()
+
+        # check for two mail fields
+        if InvenTreeSetting.get_setting('LOGIN_SIGNUP_MAIL_TWICE'):
+            email = cleaned_data.get("email")
+            email2 = cleaned_data.get("email2")
+            if (email and email2) and email != email2:
+                self.add_error("email2", _("You must type the same email each time."))
+
+        return cleaned_data
+
 
 class CustomSocialAccountAdapter(DefaultSocialAccountAdapter):
     """

InvenTree/common/models.py

@@ -858,6 +858,12 @@ class InvenTreeSetting(BaseInvenTreeSetting):
             'default': True,
             'validator': bool,
         },
+        'LOGIN_SIGNUP_MAIL_TWICE': {
+            'name': _('Mail twice'),
+            'description': _('On signup ask users twice for their mail'),
+            'default': False,
+            'validator': bool,
+        },
     }
 
     class Meta:

InvenTree/templates/InvenTree/settings/login.html

@@ -22,6 +22,7 @@
             <td>{% trans 'Signup' %}</td>
             <td colspan='4'></td>
         </tr>
+        {% include "InvenTree/settings/setting.html" with key="LOGIN_SIGNUP_MAIL_TWICE" icon="fa-info-circle" %}
         {% include "InvenTree/settings/setting.html" with key="LOGIN_SIGNUP_SSO_AUTO" icon="fa-info-circle" %}
     </tbody>
 </table>