'init'

app/lib/payment/client.ts

@@ -0,0 +1,50 @@
+import { getPaymentConfig, getJoinPaymentConfig } from "@/config/services.config";
+
+export type PayChannel = "wxpay" | "alipay";
+
+export function redirectToPay(params: {
+  user_id: string;
+  return_url: string;
+  total_fee?: number;
+  type?: string;
+  channel: PayChannel;
+  device: "pc" | "h5" | "wechat";
+  useJoinConfig?: boolean;
+}): void {
+  const baseConfig = getPaymentConfig();
+  const joinConfig = params.useJoinConfig ? getJoinPaymentConfig() : null;
+  const total_fee = params.total_fee ?? joinConfig?.amount ?? baseConfig.defaultAmount;
+  const type = params.type ?? joinConfig?.type ?? baseConfig.defaultType;
+
+  const payForm = document.createElement("form");
+  payForm.method = "POST";
+  payForm.action = "/api/pay";
+  payForm.target = "_self";
+  payForm.style.display = "none";
+
+  const fields: [string, string][] = [
+    ["user_id", params.user_id],
+    ["return_url", params.return_url],
+    ["total_fee", String(total_fee)],
+    ["type", type],
+    ["channel", params.channel],
+    ["device", params.device],
+    ["html", "1"],
+  ];
+
+  fields.forEach(([k, v]) => {
+    const input = document.createElement("input");
+    input.type = "hidden";
+    input.name = k;
+    input.value = v;
+    payForm.appendChild(input);
+  });
+
+  document.body.appendChild(payForm);
+  payForm.submit();
+}
+
+export function getDeviceFromEnv(env: "pc" | "h5" | "wechat"): "pc" | "h5" | "wechat" {
+  if (env === "wechat") return "wechat";
+  return env === "pc" ? "pc" : "h5";
+}