Add some basic data and retrieval

src/main/app_console.cpp

@@ -9,7 +9,9 @@
 #include <string>
 
 #include "audio_playback.hpp"
+#include "database.hpp"
 #include "esp_console.h"
+#include "esp_log.h"
 
 namespace console {
 
@@ -145,7 +147,55 @@ void RegisterAudioStatus() {
   esp_console_cmd_register(&cmd);
 }
 
-AppConsole::AppConsole(audio::AudioPlayback* playback) : playback_(playback) {
+int CmdDbInit(int argc, char** argv) {
+  static const std::string usage = "usage: db_init";
+  if (argc != 1) {
+    std::cout << usage << std::endl;
+    return 1;
+  }
+
+  sInstance->database_->Initialise();
+
+  return 0;
+}
+
+void RegisterDbInit() {
+  esp_console_cmd_t cmd{.command = "db_init",
+                        .help = "scans for playable files and adds them to the database",
+                        .hint = NULL,
+                        .func = &CmdDbInit,
+                        .argtable = NULL};
+  esp_console_cmd_register(&cmd);
+}
+
+int CmdDbTitles(int argc, char** argv) {
+  static const std::string usage = "usage: db_titles";
+  if (argc != 1) {
+    std::cout << usage << std::endl;
+    return 1;
+  }
+
+  database::Iterator it = sInstance->database_->ByTitle();
+  while (true) {
+    std::optional<std::string> title = it.Next();
+    if (!title) {
+      break;
+    }
+    std::cout << *title << std::endl;
+  }
+  return 0;
+}
+
+void RegisterDbTitles() {
+  esp_console_cmd_t cmd{.command = "db_titles",
+                        .help = "lists titles of ALL songs in the database",
+                        .hint = NULL,
+                        .func = &CmdDbTitles,
+                        .argtable = NULL};
+  esp_console_cmd_register(&cmd);
+}
+
+AppConsole::AppConsole(audio::AudioPlayback* playback, database::Database *database) : playback_(playback), database_(database) {
   sInstance = this;
 }
 AppConsole::~AppConsole() {
@@ -158,6 +208,8 @@ auto AppConsole::RegisterExtraComponents() -> void {
   RegisterToggle();
   RegisterVolume();
   RegisterAudioStatus();
+  RegisterDbInit();
+  RegisterDbTitles();
 }
 
 }  // namespace console

src/main/app_console.hpp

@@ -4,16 +4,18 @@
 
 #include "audio_playback.hpp"
 #include "console.hpp"
+#include "database.hpp"
 #include "storage.hpp"
 
 namespace console {
 
 class AppConsole : public Console {
  public:
-  explicit AppConsole(audio::AudioPlayback* playback);
+  explicit AppConsole(audio::AudioPlayback* playback, database::Database *database);
   virtual ~AppConsole();
 
   audio::AudioPlayback* playback_;
+  database::Database *database_;
 
  protected:
   virtual auto RegisterExtraComponents() -> void;

src/main/main.cpp

@@ -38,6 +38,7 @@
 static const char* TAG = "MAIN";
 
 void db_main(void* whatever) {
+  database::Database **arg_db = reinterpret_cast<database::Database**>(whatever);
   ESP_LOGI(TAG, "Init database");
   std::unique_ptr<database::Database> db;
   auto db_res = database::Database::Open();
@@ -48,13 +49,13 @@ void db_main(void* whatever) {
     ESP_LOGI(TAG, "database good :)");
   }
 
-  vTaskDelay(pdMS_TO_TICKS(2000));
+  *arg_db = db.get();
 
-  db->Initialise();
+  db->ByTitle();
 
-  vTaskDelay(pdMS_TO_TICKS(2000));
-  
-  db.reset();
+  while (1) {
+    vTaskDelay(portMAX_DELAY);
+  }
 
   vTaskDelete(NULL);
 }
@@ -89,7 +90,8 @@ extern "C" void app_main(void) {
   StaticTask_t database_task_buffer = {};
   StackType_t* database_stack = reinterpret_cast<StackType_t*>(
       heap_caps_malloc(db_stack_size, MALLOC_CAP_SPIRAM));
-  xTaskCreateStatic(&db_main, "LEVELDB", db_stack_size, NULL, 1, database_stack,
+  database::Database *db;
+  xTaskCreateStatic(&db_main, "LEVELDB", db_stack_size, &db, 1, database_stack,
                     &database_task_buffer);
 
   ESP_LOGI(TAG, "Init touch wheel");
@@ -110,7 +112,7 @@ extern "C" void app_main(void) {
   vTaskDelay(pdMS_TO_TICKS(1000));
 
   ESP_LOGI(TAG, "Launch console");
-  console::AppConsole console(playback.get());
+  console::AppConsole console(playback.get(), db);
   console.Launch();
 
   uint8_t prev_position = 0;