Dont make request every time menu is visited

main/buildserver.h

@@ -25,6 +25,7 @@ namespace {
     bool request_running = false;
     uint16_t request_failed = false;
     bool parsing_finished = false;
+    static bool redownload = true;
     cpputils::DelayedConstruction<AsyncHttpRequest> request;
 
     std::string get_ota_url_from_index(uint16_t index)
@@ -95,9 +96,9 @@ namespace {
         }
 
         JsonObject availableVersionsObject = doc["availableVersions"];
+        static auto index = 0;
         for (JsonPair kv : availableVersionsObject)
         {
-            static auto index = 0;
             auto hash = kv.key().c_str();
             if (index > availableVersions.size())
             {
@@ -107,9 +108,12 @@ namespace {
             index++;
         }
 
+        index = 0;
+
         url_for_latest = fix_url(fmt::format("{}{}", stringSettings.otaServerUrl, doc["latest"].as<std::string>()));
         url_for_hashes = fix_url(fmt::format("{}{}", stringSettings.otaServerUrl, doc["url"].as<std::string>()));
         parsing_finished = true;
+        redownload = false;
     }
 
     void setup_request()
@@ -120,6 +124,11 @@ namespace {
 
     void start_descriptor_request(std::string server_base_url)
     {
+        if (!redownload)
+        {
+            parsing_finished = true;
+            return;
+        }
         if (!request.constructed())
         {
             ESP_LOGW("BOBBY", "request is im oarsch");

main/displays/menus/otamenu.h

@@ -2,12 +2,14 @@
 
 // local includes
 #include "menudisplay.h"
+#include "actioninterface.h"
 #include "utils.h"
 #include "actions/dummyaction.h"
 #include "icons/back.h"
 #include "icons/update.h"
 #include "icons/presets.h"
 #include "texts.h"
+#include "buildserver.h"
 
 
 // forward declares
@@ -22,6 +24,13 @@ using namespace espgui;
 
 namespace {
 
+class RedownloadJsonAction : public virtual ActionInterface {
+public:
+    void triggered() override {
+        redownload = true;
+    }
+};
+
 class OtaMenu :
     public MenuDisplay,
     public StaticText<TEXT_UPDATE>,
@@ -33,6 +42,7 @@ public:
         constructMenuItem<makeComponent<MenuItem, StaticText<TEXT_SELECTBUILD>,             SwitchScreenAction<SelectBuildMenu>, StaticMenuItemIcon<&bobbyicons::presets>>>();
         constructMenuItem<makeComponent<MenuItem, StaticText<TEXT_UPDATENOW>,               SwitchScreenAction<UpdateDisplay>, StaticMenuItemIcon<&bobbyicons::update>>>();
         constructMenuItem<makeComponent<MenuItem, StaticText<TEXT_SELECTBUILDSERVERMENU>,   SwitchScreenAction<SelectBuildServerMenu>>>();
+        constructMenuItem<makeComponent<MenuItem, StaticText<TEXT_REDOWNLOAD>,   RedownloadJsonAction>>();
         constructMenuItem<makeComponent<MenuItem, StaticText<TEXT_BACK>,                    SwitchScreenAction<MainMenu>, StaticMenuItemIcon<&espgui::icons::back>>>();
     }
 };

main/texts.h

@@ -482,6 +482,7 @@ constexpr char TEXT_OTA_NOBUILDSERVERAVAILABLE[] = "E:No server saved.";
 constexpr char TEXT_OTA_NOBUILDSERVERSELECTED[] = "E:No server selected.";
 constexpr char TEXT_OTA_NOCONNECTION[] = "E:No internet.";
 constexpr char TEXT_OTA_WAITFORRESPONSE[] = "Wait for response...";
+constexpr char TEXT_REDOWNLOAD[] = "Reload list";
 
 #ifdef FEATURE_CAN
 constexpr char TEXT_POWERSUPPLY[] = "Powersupply";