add discount models

hub/services/admin.py

@@ -16,6 +16,8 @@ from .models import (
     ExternalLinkOffering,
     Lead,
     Plan,
+    ProgressiveDiscountModel,
+    DiscountTier,
     ReusableText,
     Service,
     ServiceOffering,
@@ -292,16 +294,31 @@ class VSHNAppCatUnitRateInline(admin.TabularInline):
     fields = ("currency", "service_level", "amount")
 
 
+class DiscountTierInline(admin.TabularInline):
+    model = DiscountTier
+    extra = 1
+    fields = ("threshold", "discount_percent")
+    ordering = ("threshold",)
+
+
+@admin.register(ProgressiveDiscountModel)
+class ProgressiveDiscountModelAdmin(admin.ModelAdmin):
+    list_display = ("name", "description", "active")
+    search_fields = ("name", "description")
+    inlines = [DiscountTierInline]
+
+
 @admin.register(VSHNAppCatPrice)
 class VSHNAppCatPriceAdmin(admin.ModelAdmin):
     list_display = (
         "service",
         "variable_unit",
         "term",
+        "discount_model",
         "admin_display_base_fees",
         "admin_display_unit_rates",
     )
-    list_filter = ("variable_unit", "service")
+    list_filter = ("variable_unit", "service", "discount_model")
     search_fields = ("service__name",)
     inlines = [VSHNAppCatBaseFeeInline, VSHNAppCatUnitRateInline]