factorize duplicate code

Author: datanel

source/time_tables/departure_boards.cpp

@@ -66,6 +66,18 @@ static bool is_terminus_for_all_stop_times(const std::vector<routing::datetime_s
     return !stop_times.empty();
 }
 
+void update_display_information(bool& vj_found,
+                                const std::pair<unsigned int, const navitia::type::StopTime*>& dt_st,
+                                pbnavitia::PtDisplayInfo* pt_display_information,
+                                PbCreator& pb_creator) {
+    if (!vj_found && dt_st.second != nullptr) {
+        auto vj = dt_st.second->vehicle_journey;
+        pt_display_information->set_trip_short_name(vj->name);
+        pt_display_information->set_headsign(pb_creator.data->pt_data->headsign_handler.get_headsign(vj));
+        vj_found = true;
+    }
+}
+
 static void fill_date_times(PbCreator& pb_creator,
                             pbnavitia::StopSchedule* schedule,
                             const std::pair<unsigned int, const navitia::type::StopTime*>& dt_st,
@@ -136,12 +148,7 @@ static void render(PbCreator& pb_creator,
 
         // Now we fill the date_times
         for (auto dt_st : id_vec.second) {
-            if (!vj_found && dt_st.second != nullptr) {
-                auto vj = dt_st.second->vehicle_journey;
-                pt_display_information->set_trip_short_name(vj->name);
-                pt_display_information->set_headsign(pb_creator.data->pt_data->headsign_handler.get_headsign(vj));
-                vj_found = true;
-            }
+            update_display_information(vj_found, dt_st, pt_display_information, pb_creator);
             fill_date_times(pb_creator, schedule, dt_st, calendar_id);
         }
 
@@ -204,12 +211,7 @@ static void render(PbCreator& pb_creator,
 
         // Now we fill the date_times
         for (auto dt_st : id_vec.second) {
-            if (!vj_found && dt_st.second != nullptr) {
-                auto vj = dt_st.second->vehicle_journey;
-                pt_display_information->set_trip_short_name(vj->name);
-                pt_display_information->set_headsign(pb_creator.data->pt_data->headsign_handler.get_headsign(vj));
-                vj_found = true;
-            }
+            update_display_information(vj_found, dt_st, pt_display_information, pb_creator);
             fill_date_times(pb_creator, schedule, dt_st, calendar_id);
         }