D-Bus API: Add GetDataPlans, DataPlansUpdate, and RequestDataPlansUpdate

src/cashew_server.cc

Index: src/cashew_server.cc
diff --git a/src/cashew_server.cc b/src/cashew_server.cc
index 3e7cb3ba0a578bebd09aa93281e2cea6ad8ff5d2..a5c0aa47827a069a610e2afe91f77b6e7d49f81d 100644
--- a/src/cashew_server.cc
+++ b/src/cashew_server.cc
@@ -15,11 +15,74 @@ CashewServer::CashewServer(DBus::Connection& connection)  // NOLINT
     : DBus::ObjectAdaptor(connection, kServicePath) {
 }
 
-// Cashew D-Bus API Methods
+// Cashew D-Bus API methods
+
+DataPlanList CashewServer::GetDataPlans(const std::string& service,
+                                        DBus::Error& error) {  // NOLINT
+  DLOG(INFO) << "GetDataPlans: service = " << service;
+  // TODO(vlaviano): log and return error if we don't like service arg
+
+  // For now, we return hardcoded data.
+  // TODO(vlaviano): return real data.
+  DataPlan hardcoded_plan;
+  GetHardcodedDataPlan(&hardcoded_plan);
+  DataPlanList data_plans;
+  data_plans.push_back(hardcoded_plan);
+  return data_plans;
+}
+
+void CashewServer::RequestDataPlansUpdate(const std::string& service,
+                                          DBus::Error& error) {  // NOLINT
+  DLOG(INFO) <<  "RequestDataPlansUpdate: service = " << service;
+  // TODO(vlaviano): log and return error if we don't like service arg
+
+  // trigger a DataPlansUpdate signal
+  // TODO(vlaviano): rate-limiting?
+  // TODO(vlaviano): if cached data isn't recent, ask carrier API for fresh
+  // data and wait for reply before sending signal.
+  EmitDataPlansUpdateSignal(service);
+}
 
 bool CashewServer::IsAlive(DBus::Error& error) {  // NOLINT
   DLOG(INFO) << "IsAlive";
   return true;
 }
 
+// Private methods
+
+void CashewServer::EmitDataPlansUpdateSignal(const std::string& service) {
+  DLOG(INFO) << "EmitDataPlansUpdateSignal: service = " << service;
+  // TODO(vlaviano): log error and return if we don't like service arg
+
+  // For now, we return hardcoded data.
+  // TODO(vlaviano): return real data.
+  DataPlan hardcoded_plan;
+  GetHardcodedDataPlan(&hardcoded_plan);
+  DataPlanList data_plans;
+  data_plans.push_back(hardcoded_plan);
+
+  // send out the signal
+  this->DataPlansUpdate(service, data_plans);
+}
+
+void CashewServer::GetHardcodedDataPlan(DataPlan* plan) {
+  DCHECK(plan != NULL);
+
+  const std::string plan_name = "test";
+  const std::string plan_type = "UNLIMITED";
+  int64 plan_update_time = 0;
+  int64 plan_start_time = time(NULL) - 12*3600;  // 12 hours ago
+  int64 plan_end_time = time(NULL) + 12*3600;  // 12 hours hence
+  int64 plan_data_bytes = 100*1024*1024;  // 100 MB
+  int64 plan_data_bytes_used = 30*1024*1024;  // 30 MB
+
+  (*plan)["CellularPlanName"].writer().append_string(plan_name.c_str());
+  (*plan)["CellularPlanType"].writer().append_string(plan_type.c_str());
+  (*plan)["CellularPlanUpdateTime"].writer().append_int64(plan_update_time);
+  (*plan)["CellularPlanStart"].writer().append_int64(plan_start_time);
+  (*plan)["CellularPlanEnd"].writer().append_int64(plan_end_time);
+  (*plan)["CellularPlanDataBytes"].writer().append_int64(plan_data_bytes);
+  (*plan)["CellularDataBytesUsed"].writer().append_int64(plan_data_bytes_used);
+}
+
 }  // namespace cashew