Momentum-Apps/flip_trader/alloc/flip_trader_alloc.c

#include "alloc/flip_trader_alloc.h"

// Function to allocate resources for the FlipTraderApp
FlipTraderApp* flip_trader_app_alloc() {
    FlipTraderApp* app = (FlipTraderApp*)malloc(sizeof(FlipTraderApp));

    Gui* gui = furi_record_open(RECORD_GUI);

    // initialize uart
    if(!flipper_http_init(flipper_http_rx_callback, app)) {
        FURI_LOG_E(TAG, "Failed to initialize flipper http");
        return NULL;
    }

    // Allocate the text input buffer
    app->uart_text_input_buffer_size_ssid = 64;
    app->uart_text_input_buffer_size_password = 64;
    if(!easy_flipper_set_buffer(
           &app->uart_text_input_buffer_ssid, app->uart_text_input_buffer_size_ssid)) {
        return NULL;
    }
    if(!easy_flipper_set_buffer(
           &app->uart_text_input_temp_buffer_ssid, app->uart_text_input_buffer_size_ssid)) {
        return NULL;
    }
    if(!easy_flipper_set_buffer(
           &app->uart_text_input_buffer_password, app->uart_text_input_buffer_size_password)) {
        return NULL;
    }
    if(!easy_flipper_set_buffer(
           &app->uart_text_input_temp_buffer_password,
           app->uart_text_input_buffer_size_password)) {
        return NULL;
    }

    asset_names = asset_names_alloc();
    if(!asset_names) {
        return NULL;
    }

    // Allocate ViewDispatcher
    if(!easy_flipper_set_view_dispatcher(&app->view_dispatcher, gui, app)) {
        return NULL;
    }
    view_dispatcher_set_custom_event_callback(
        app->view_dispatcher, flip_trader_custom_event_callback);
    // Main view
    if(!easy_flipper_set_view(
           &app->view_loader,
           FlipTraderViewLoader,
           flip_trader_loader_draw_callback,
           NULL,
           callback_to_assets_submenu,
           &app->view_dispatcher,
           app)) {
        return NULL;
    }
    flip_trader_loader_init(app->view_loader);

    // Widget
    if(!easy_flipper_set_widget(
           &app->widget_about,
           FlipTraderViewAbout,
           "FlipTrader v1.2\n-----\nUse WiFi to get the price of\nstocks and currency pairs.\n-----\nwww.github.com/jblanked",
           callback_to_submenu,
           &app->view_dispatcher)) {
        return NULL;
    }
    if(!easy_flipper_set_widget(
           &app->widget_result,
           FlipTraderViewWidgetResult,
           "Error, try again.",
           callback_to_assets_submenu,
           &app->view_dispatcher)) {
        return NULL;
    }

    // Text Input
    if(!easy_flipper_set_uart_text_input(
           &app->uart_text_input_ssid,
           FlipTraderViewTextInputSSID,
           "Enter SSID",
           app->uart_text_input_temp_buffer_ssid,
           app->uart_text_input_buffer_size_ssid,
           text_updated_ssid,
           callback_to_wifi_settings,
           &app->view_dispatcher,
           app)) {
        return NULL;
    }
    if(!easy_flipper_set_uart_text_input(
           &app->uart_text_input_password,
           FlipTraderViewTextInputPassword,
           "Enter password",
           app->uart_text_input_temp_buffer_password,
           app->uart_text_input_buffer_size_password,
           text_updated_password,
           callback_to_wifi_settings,
           &app->view_dispatcher,
           app)) {
        return NULL;
    }

    // Variable Item List
    if(!easy_flipper_set_variable_item_list(
           &app->variable_item_list_wifi,
           FlipTraderViewWiFiSettings,
           settings_item_selected,
           callback_to_submenu,
           &app->view_dispatcher,
           app)) {
        return NULL;
    }
    app->variable_item_ssid =
        variable_item_list_add(app->variable_item_list_wifi, "SSID", 0, NULL, NULL);
    app->variable_item_password =
        variable_item_list_add(app->variable_item_list_wifi, "Password", 0, NULL, NULL);
    variable_item_set_current_value_text(app->variable_item_ssid, "");
    variable_item_set_current_value_text(app->variable_item_password, "");

    // Submenu
    if(!easy_flipper_set_submenu(
           &app->submenu_main,
           FlipTraderViewMainSubmenu,
           "FlipTrader v1.2",
           easy_flipper_callback_exit_app,
           &app->view_dispatcher)) {
        return NULL;
    }
    if(!easy_flipper_set_submenu(
           &app->submenu_assets,
           FlipTraderViewAssetsSubmenu,
           "Assets",
           callback_to_submenu,
           &app->view_dispatcher)) {
        return NULL;
    }
    submenu_add_item(
        app->submenu_main, "Assets", FlipTradeSubmenuIndexAssets, callback_submenu_choices, app);
    submenu_add_item(
        app->submenu_main, "About", FlipTraderSubmenuIndexAbout, callback_submenu_choices, app);
    submenu_add_item(
        app->submenu_main, "WiFi", FlipTraderSubmenuIndexSettings, callback_submenu_choices, app);
    // add the assets
    for(uint32_t i = 0; i < ASSET_COUNT; i++) {
        submenu_add_item(
            app->submenu_assets,
            asset_names[i],
            FlipTraderSubmenuIndexAssetStartIndex + i,
            callback_submenu_choices,
            app);
    }

    // load settings
    if(load_settings(
           app->uart_text_input_buffer_ssid,
           app->uart_text_input_buffer_size_ssid,
           app->uart_text_input_buffer_password,
           app->uart_text_input_buffer_size_password)) {
        // Update variable items
        if(app->variable_item_ssid)
            variable_item_set_current_value_text(
                app->variable_item_ssid, app->uart_text_input_buffer_ssid);
        // dont show password

        // Copy items into their temp buffers with safety checks
        if(app->uart_text_input_buffer_ssid && app->uart_text_input_temp_buffer_ssid) {
            strncpy(
                app->uart_text_input_temp_buffer_ssid,
                app->uart_text_input_buffer_ssid,
                app->uart_text_input_buffer_size_ssid - 1);
            app->uart_text_input_temp_buffer_ssid[app->uart_text_input_buffer_size_ssid - 1] =
                '\0';
        }
        if(app->uart_text_input_buffer_password && app->uart_text_input_temp_buffer_password) {
            strncpy(
                app->uart_text_input_temp_buffer_password,
                app->uart_text_input_buffer_password,
                app->uart_text_input_buffer_size_password - 1);
            app->uart_text_input_temp_buffer_password[app->uart_text_input_buffer_size_password - 1] =
                '\0';
        }
    }

    // start with the main view
    view_dispatcher_switch_to_view(app->view_dispatcher, FlipTraderViewMainSubmenu);

    return app;
}