若干更新迭代

backend/internal/httpapi/billing.go

@@ -36,6 +36,8 @@ func (h *billingHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	switch {
 	case r.URL.Path == "/api/billing":
 		h.billing(w, r)
+	case r.URL.Path == "/api/billing/balance":
+		h.balance(w, r)
 	case r.URL.Path == "/api/billing/quote":
 		h.quote(w, r)
 	case r.URL.Path == "/api/admin/billing":
@@ -53,6 +55,38 @@ func (h *billingHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	}
 }
 
+func (h *billingHandler) balance(w http.ResponseWriter, r *http.Request) {
+	w.Header().Set("Cache-Control", "no-store")
+	if !allow(w, r, http.MethodGet) {
+		return
+	}
+	session, ok := h.authorize(w, r, PlatformApp)
+	if !ok {
+		return
+	}
+	organizationID := session.User.OrganizationID
+	if organizationID == "" {
+		writeAPIError(w, 422, "当前账号未绑定组织。")
+		return
+	}
+	if h.service == nil {
+		writeAPIError(w, 500, "服务器内部错误。")
+		return
+	}
+	wallet, err := h.service.Wallet(r.Context(), organizationID)
+	if err != nil {
+		writeDomainError(w, err)
+		return
+	}
+	writeJSON(w, 200, struct {
+		Organization map[string]string `json:"organization"`
+		Wallet       billing.Wallet    `json:"wallet"`
+	}{
+		Organization: map[string]string{"id": organizationID, "name": first(session.User.OrganizationName, organizationID)},
+		Wallet:       wallet,
+	})
+}
+
 func (h *billingHandler) billing(w http.ResponseWriter, r *http.Request) {
 	if !allow(w, r, http.MethodGet) {
 		return