katja: Load updatable list on demand

cli/component.cpp

@@ -32,18 +32,30 @@ namespace katja
 
     bool ScreenContainer::OnEvent(ftxui::Event event)
     {
-        if (event.character() == "q" && this->on_enter)
+        if (event == ftxui::Event::CtrlQ && this->on_enter)
         {
             on_enter();
             return true;
         }
         int previously = this->menu_selected;
-        bool result = menu->OnEvent(event);
+        bool result{ false };
 
+        if (event == ftxui::Event::CtrlP)
+        {
+            result = menu->OnEvent(ftxui::Event::ArrowLeft);
+        }
+        else if (event == ftxui::Event::CtrlN)
+        {
+            result = menu->OnEvent(ftxui::Event::ArrowRight);
+        }
         if (previously != this->menu_selected)
         {
             this->menu_pages.at(this->menu_selected)->Load();
         }
+        if (!result)
+        {
+            result = this->menu_pages.at(this->menu_selected)->OnEvent(event);
+        }
         return result;
     }
 
@@ -61,13 +73,14 @@ namespace katja
     {
     }
 
-    UpdatesPage::UpdatesPage(std::vector<package_identifier>&& updatable)
+    UpdatesPage::UpdatesPage(std::shared_ptr<struct repository> repository, package_database database)
-        : updatable(std::move(updatable))
+        : repository(repository), database(database)
     {
     }
 
     void UpdatesPage::Load()
     {
+        this->updatable = repository->get_updates(this->database);
     }
 
     ftxui::Element UpdatesPage::OnRender()
@@ -87,4 +100,18 @@ namespace katja
     void SearchPage::Load()
     {
     }
+
+    ftxui::Element SearchPage::OnRender()
+    {
+        return ftxui::vbox({
+            ftxui::hbox({
+                this->search_input->Render()
+            })
+        });
+    }
+
+    bool SearchPage::OnEvent(ftxui::Event event)
+    {
+        return this->search_input->OnEvent(event);
+    }
 }

cli/component.hpp

@@ -5,6 +5,7 @@
 #include <ftxui/component/component.hpp>
 
 #include "katja/repository.hpp"
+#include "katja/database.hpp"
 
 namespace katja
 {
@@ -45,9 +46,11 @@ namespace katja
     class UpdatesPage final : public PageBase
     {
         std::vector<package_identifier> updatable;
+        std::shared_ptr<struct repository> repository;
+        package_database database;
 
     public:
-        explicit UpdatesPage(std::vector<package_identifier>&& updatable);
+        UpdatesPage(std::shared_ptr<struct repository> repository, package_database database);
 
         void Load() override;
         ftxui::Element OnRender() override;
@@ -55,7 +58,12 @@ namespace katja
 
     class SearchPage final : public PageBase
     {
+        std::string needle;
+        ftxui::Component search_input = ftxui::Input(&this->needle, "Search");
+
     public:
         void Load() override;
+        ftxui::Element OnRender() override;
+        bool OnEvent(ftxui::Event event) override;
     };
 }

cli/main.cpp

@@ -11,20 +11,19 @@
 int main(int argc, const char **argv)
 {
     auto configuration = toml::parse("config/katja.toml");
-    std::multimap<std::string, katja::database_package> installed_database = katja::read_installed_database();
+    katja::package_database installed_database = katja::read_installed_database();
 
     for (const auto& [repository_name, repository_value] : configuration.as_table())
     {
         std::filesystem::path slackbuild_repository{ repository_value.at("path").as_string() };
-        katja::sbo_repository repository{ slackbuild_repository };
+        auto repository = std::make_shared<katja::sbo_repository>(slackbuild_repository);
-        auto updates = repository.get_updates(installed_database);
 
         auto screen = ftxui::ScreenInteractive::Fullscreen();
 
         auto container = Screen(std::vector<std::pair<std::string, katja::Page>>{
-            { "Home", std::make_shared<katja::WelcomePage>() },
+            { "Home", ftxui::Make<katja::WelcomePage>() },
-            { "Updates", std::make_shared<katja::UpdatesPage>(std::move(updates)) },
+            { "Updates", ftxui::Make<katja::UpdatesPage>(repository, std::move(installed_database)) },
-            { "Search", std::make_shared<katja::SearchPage>() }
+            { "Search", ftxui::Make<katja::SearchPage>() }
         }, screen.ExitLoopClosure());
 
         screen.Loop(container);

katja/database.cpp

@@ -82,9 +82,9 @@ namespace katja
         return package_string;
     }
 
-    std::multimap<std::string, database_package> read_installed_database()
+    package_database read_installed_database()
     {
-        std::multimap<std::string, database_package> result;
+        package_database result;
 
         for (const auto& entry : std::filesystem::directory_iterator(katja::database))
         {