As mentioned before, you also need to change the standard forms for adding and editing a user. You can use the standard user folder forms and simply add a text row with an email textfield:

 
 <tr>
  <td align="left" valign="top">
   <div class="form-optional">
    E-Mail
   </div>
  </td>
  <td align="left" valign="top">
   <input type="text" name="email" size="30" value="" />
  </td>
 </tr>
 
 

 
 <TR>
  <TD VALIGN="TOP">
   <div class="form-optional">
    E-Mail
   </div>
  </TD>
  <TD VALIGN="TOP">
   <INPUT TYPE="TEXT" NAME="email" SIZE="30"
   VALUE="<dtml-if expr="user.email">
   <dtml-var expr="user.email"></dtml-if>" />
  </TD>
 </TR>
  
  

If you want to, you can also add a method that checks whether a valid email address was entered (Listing 5).

 

 def checkEmail(self, email):
		isEmail = 0
		if string.find(email, '@') <> -1:
			isEmail = 1
		return isEmail
  
 

Then you can use this method and refuse adding or changing a user if the email address does not appear to be a valid one. Listing 6 shows the additional lines that have to go into the _addUser() and the _changeUser() methods.

 
 if self.checkEmail(REQUEST['email']) != 1:
		return MessageDialog(
			title  ='Illegal value',
			message='Not a valid email address',
			action ='manage_main')

  
  

This article has given you an easy introduction on how to create your own user folder. The next part in this series will show you how to store user information in a relational database and how to retrieve it from there.

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Tutorial End