changed payment code to demo code

backend/core/admin.py

@@ -1,8 +1,8 @@
 from django.contrib import admin
-from .models import Document, DocumentSegment, Organization, Risk, Control, DocumentTemplate, DocumentRiskControl, PaymentCode
+from .models import Document, DocumentSegment, Organization, Risk, Control, DocumentTemplate, DocumentRiskControl, DemoCode
 from django.urls import reverse
 from django.utils.html import format_html
-from .utils import generate_payment_code
+from .utils import generate_demo_code
 from django.urls import path
 from django.shortcuts import render, redirect
 from .forms import GenerateCodesForm
@@ -44,10 +44,10 @@ class ControlAdmin(admin.ModelAdmin):
 class DocumentRiskControlAdmin(admin.ModelAdmin):
     list_display = ('document', 'risk', 'control', 'weight','likelihood')
 
-class PaymentCodeAdmin(admin.ModelAdmin):
+class DemoCodeAdmin(admin.ModelAdmin):
 
     list_display = ('code', 'created_at', 'used', 'company', 'used_at')
-    change_list_template = "admin/paymentcode_changelist.html"
+    change_list_template = "admin/democode_changelist.html"
 
     def get_urls(self):
         urls = super().get_urls()
@@ -64,9 +64,9 @@ class PaymentCodeAdmin(admin.ModelAdmin):
                 created = 0
                 for _ in range(count):
                     while True:
-                        code = generate_payment_code()
-                        if not PaymentCode.objects.filter(code=code).exists():
-                            PaymentCode.objects.create(code=code)
+                        code = generate_demo_code()
+                        if not DemoCode.objects.filter(code=code).exists():
+                            DemoCode.objects.create(code=code)
                             created += 1
                             break
                 self.message_user(request, f"{created} codes generated.")
@@ -82,4 +82,4 @@ admin.site.register(Risk ,RiskAdmin)
 admin.site.register(Control, ControlAdmin)
 admin.site.register(DocumentTemplate, DocumentTemplateAdmin)
 admin.site.register(DocumentRiskControl, DocumentRiskControlAdmin)
-admin.site.register(PaymentCode, PaymentCodeAdmin)
+admin.site.register(DemoCode, DemoCodeAdmin)