Add email preview functionality for candidate details: allow users to preview email content before sending

generic/models.py

@@ -1552,27 +1552,9 @@ class CidUser(models.Model):
         if self.login_email_sent and not resend:
             return False, "Already sent."
 
-        login_url = reverse("cid_selector")
-
-        msg = f"""
-        See below for your details for: {self.group}
-
-        ---------
-        CID: {self.cid}
-        Passcode: {self.passcode}
-        ---------
-
-        You will need these to access to the test system.
-
-        Direct link to login:
-        {settings.REMOTE_URL}{login_url}?cid={self.cid}&passcode={self.passcode}
-
-        The above details are unique to you. Please do not share as otherwise others will be able to access and submit your results.
-
-
-
-        Please note this inbox is not monitored. Direct all enquiries to plh-tr.radiology-academy@nhs.net
-        """
+        # Build the message payload. Exposed as a separate method so callers
+        # can preview the email without actually sending it.
+        msg = self.generate_email_details_msg()
 
         try:
             # send_mail(
@@ -1597,6 +1579,36 @@ class CidUser(models.Model):
         self.save()
         return True, ""
 
+    def generate_email_details_msg(self) -> str:
+        """Generate the candidate details email body without sending it.
+
+        Returns:
+            str: The plaintext email body that would be sent.
+        """
+        login_url = reverse("cid_selector")
+
+        msg = f"""
+        See below for your details for: {self.group}
+
+        ---------
+        CID: {self.cid}
+        Passcode: {self.passcode}
+        ---------
+
+        You will need these to access to the test system.
+
+        Direct link to login:
+        {settings.REMOTE_URL}{login_url}?cid={self.cid}&passcode={self.passcode}
+
+        The above details are unique to you. Please do not share as otherwise others will be able to access and submit your results.
+
+
+
+        Please note this inbox is not monitored. Direct all enquiries to plh-tr.radiology-academy@nhs.net
+        """
+
+        return msg
+
     def get_email_details_url(self):
         return reverse("generic:candidate_email_details", kwargs={"cid": self.cid})
 

generic/templates/generic/partials/group_users_list.html

@@ -22,6 +22,7 @@
                             {% endif %}
                             {% if user.email %}
                                 <button type="button" class="btn btn-sm btn-outline-primary ms-2 send-login-email-btn" data-cid="{{ user.cid }}" data-url="{% url 'generic:candidate_email_details' user.cid %}">Send</button>
+                                <a class="btn btn-sm btn-outline-secondary ms-2" href="{{ user.get_email_details_url }}?preview=1" target="_blank">View</a>
                             {% else %}
                                 <span class="small text-muted ms-2">No email</span>
                             {% endif %}

generic/views.py

@@ -5043,8 +5043,24 @@ def candidate_email_details(request, cid, resend=False):
     except Exception:
         resend_flag = False
 
+    # Allow a preview mode which returns the generated email body without
+    # actually sending the email. Useful for reviewing content in the UI.
+    preview_flag = False
+    try:
+        if request.method == 'POST':
+            preview_flag = str(request.POST.get('preview', '')).lower() in ('1', 'true', 'yes')
+        else:
+            preview_flag = str(request.GET.get('preview', '')).lower() in ('1', 'true', 'yes')
+    except Exception:
+        preview_flag = False
+
+    if preview_flag:
+        # Return plaintext body for preview (opens cleanly in a new tab/window)
+        msg = user.generate_email_details_msg()
+        return HttpResponse(msg, content_type='text/plain')
+
     email_sent, comment = user.email_details(resend=resend_flag)
-    
+
     logger.debug(f"Email details sent to CID {cid}: sent={email_sent}, comment={comment}")
 
     return JsonResponse({"sent": email_sent, "comment": str(comment)})