feat: add portal recharge page

apps/portal/views.py

@@ -2,15 +2,21 @@ from django.contrib import messages
 from django.contrib.auth.mixins import LoginRequiredMixin
 from django.db.models import Sum
 from django.shortcuts import get_object_or_404, redirect
-from django.urls import reverse_lazy
+from django.urls import reverse, reverse_lazy
 from django.views import View
 from django.views.generic import FormView, TemplateView
 
+from apps.billing.payment_gateways import PaymentOrderCreateError
+from apps.billing.pricing import NoExchangeRateError
 from apps.billing.models import PointsLedger, RechargeOrder
-from apps.billing.services import get_balance_snapshot
+from apps.billing.services import (
+    RechargeOrderCreateError,
+    create_recharge_order,
+    get_balance_snapshot,
+)
 from apps.users.models import ApiKey
 
-from .forms import ApiKeyCreateForm
+from .forms import ApiKeyCreateForm, RechargeCreateForm
 
 
 NEW_API_KEY_SESSION_KEY = "portal_new_api_key"
@@ -120,6 +126,49 @@ class ApiKeyDeleteView(LoginRequiredMixin, View):
         return redirect("portal-apikeys")
 
 
+class RechargePageView(LoginRequiredMixin, FormView):
+    template_name = "portal/recharge.html"
+    form_class = RechargeCreateForm
+
+    def get_context_data(self, **kwargs):
+        context = super().get_context_data(**kwargs)
+        order_no = str(self.request.GET.get("order_no") or "").strip()
+        current_order = None
+        if order_no:
+            current_order = RechargeOrder.objects.filter(
+                user=self.request.user,
+                order_no=order_no,
+            ).first()
+        context["balance"] = get_balance_snapshot(self.request.user)
+        context.update(get_portal_account_summary(self.request.user))
+        context["current_order"] = current_order
+        context["recent_recharge_orders"] = get_recharge_orders_for_user(
+            self.request.user
+        )[:5]
+        return context
+
+    def form_valid(self, form):
+        try:
+            order = create_recharge_order(
+                user=self.request.user,
+                amount=form.cleaned_data["amount"],
+                pay_method=form.cleaned_data["pay_method"],
+            )
+        except NoExchangeRateError:
+            form.add_error(None, "未配置当前币种汇率，暂时无法充值。")
+            return self.form_invalid(form)
+        except RechargeOrderCreateError:
+            form.add_error(None, "充值下单参数错误，请检查金额和支付方式。")
+            return self.form_invalid(form)
+        except PaymentOrderCreateError:
+            form.add_error(None, "支付下单失败，请稍后重试。")
+            return self.form_invalid(form)
+
+        messages.success(self.request, "充值订单已创建，请扫码支付。")
+        recharge_url = reverse("portal-recharge")
+        return redirect(f"{recharge_url}?order_no={order.order_no}")
+
+
 class RechargeRecordListView(LoginRequiredMixin, TemplateView):
     template_name = "portal/recharge_records.html"