shimmie2/ext/setup/main.php

<?php

declare(strict_types=1);

namespace Shimmie2;

use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\{InputInterface,InputArgument};
use Symfony\Component\Console\Output\OutputInterface;

require_once "config.php";

/*
 * Sent when the setup screen's 'set' button has been activated
 */
class ConfigSaveEvent extends Event
{
    public Config $config;
    /** @var array<string, mixed> $values */
    public array $values;

    /**
     * @param array<string, mixed> $values
     */
    public function __construct(Config $config, array $values)
    {
        parent::__construct();
        $this->config = $config;
        $this->values = $values;
    }
}

/*
 * Sent when the setup page is ready to be added to
 */
class SetupBuildingEvent extends Event
{
    protected SetupTheme $theme;
    public SetupPanel $panel;

    public function __construct(SetupPanel $panel)
    {
        parent::__construct();
        $this->panel = $panel;
    }
}

class SetupPanel
{
    /** @var SetupBlock[]  */
    public array $blocks = [];
    public BaseConfig $config;

    public function __construct(BaseConfig $config)
    {
        $this->config = $config;
    }

    public function create_new_block(string $title): SetupBlock
    {
        $block = new SetupBlock($title, $this->config);
        $this->blocks[] = $block;
        return $block;
    }
}

class SetupBlock extends Block
{
    public ?string $header;
    public ?string $body;
    public BaseConfig $config;

    public function __construct(string $title, BaseConfig $config)
    {
        parent::__construct($title, "", "main", 50);
        $this->config = $config;
    }

    public function add_label(string $text): void
    {
        $this->body .= $text;
    }

    public function start_table(): void
    {
        $this->body .= "<table class='form'>";
    }
    public function end_table(): void
    {
        $this->body .= "</table>";
    }
    public function start_table_row(): void
    {
        $this->body .= "<tr>";
    }
    public function end_table_row(): void
    {
        $this->body .= "</tr>";
    }
    public function start_table_head(): void
    {
        $this->body .= "<thead>";
    }
    public function end_table_head(): void
    {
        $this->body .= "</thead>";
    }
    public function add_table_header(string $content, int $colspan = 2): void
    {
        $this->start_table_head();
        $this->start_table_row();
        $this->add_table_header_cell($content, $colspan);
        $this->end_table_row();
        $this->end_table_head();
    }

    public function start_table_cell(int $colspan = 1): void
    {
        $this->body .= "<td colspan='$colspan'>";
    }
    public function end_table_cell(): void
    {
        $this->body .= "</td>";
    }
    public function add_table_cell(string $content, int $colspan = 1): void
    {
        $this->start_table_cell($colspan);
        $this->body .= $content;
        $this->end_table_cell();
    }
    public function start_table_header_cell(int $colspan = 1, string $align = 'right'): void
    {
        $this->body .= "<th colspan='$colspan' style='text-align: $align'>";
    }
    public function end_table_header_cell(): void
    {
        $this->body .= "</th>";
    }
    public function add_table_header_cell(string $content, int $colspan = 1): void
    {
        $this->start_table_header_cell($colspan);
        $this->body .= $content;
        $this->end_table_header_cell();
    }

    private function format_option(
        string $name,
        string $html,
        ?string $label,
        bool $table_row,
        bool $label_row = false
    ): void {
        if ($table_row) {
            $this->start_table_row();
        }
        if ($table_row) {
            $this->start_table_header_cell($label_row ? 2 : 1, $label_row ? 'center' : 'right');
        }
        if (!is_null($label)) {
            $this->body .= "<label for='{$name}'>{$label}</label>";
        }

        if ($table_row) {
            $this->end_table_header_cell();
        }

        if ($table_row && $label_row) {
            $this->end_table_row();
            $this->start_table_row();
        }

        if ($table_row) {
            $this->start_table_cell($label_row ? 2 : 1);
        }
        $this->body .= $html;
        if ($table_row) {
            $this->end_table_cell();
        }
        if ($table_row) {
            $this->end_table_row();
        }
    }

    public function add_text_option(string $name, string $label = null, bool $table_row = false): void
    {
        $val = html_escape($this->config->get_string($name));

        $html = "<input type='text' id='{$name}' name='_config_{$name}' value='{$val}'>\n";
        $html .= "<input type='hidden' name='_type_{$name}' value='string'>\n";

        $this->format_option($name, $html, $label, $table_row);
    }

    public function add_longtext_option(string $name, string $label = null, bool $table_row = false): void
    {
        $val = html_escape($this->config->get_string($name));

        $rows = max(3, min(10, count(explode("\n", $val))));
        $html = "<textarea rows='$rows' id='$name' name='_config_$name'>$val</textarea>\n";
        $html .= "<input type='hidden' name='_type_$name' value='string'>\n";

        $this->format_option($name, $html, $label, $table_row, true);
    }

    public function add_bool_option(string $name, string $label = null, bool $table_row = false): void
    {
        $checked = $this->config->get_bool($name) ? " checked" : "";

        $html = "";
        if (!$table_row && !is_null($label)) {
            $html .= "<label for='{$name}'>{$label}</label>";
        }

        $html .= "<input type='checkbox' id='$name' name='_config_$name'$checked>\n";
        if ($table_row && !is_null($label)) {
            $html .= "<label for='{$name}'>{$label}</label>";
        }

        $html .= "<input type='hidden' name='_type_$name' value='bool'>\n";

        $this->format_option($name, $html, null, $table_row);
    }

    //	public function add_hidden_option($name, $label=null) {
    //		global $config;
    //		$val = $config->get_string($name);
    //		$this->body .= "<input type='hidden' id='$name' name='$name' value='$val'>";
    //	}

    public function add_int_option(string $name, string $label = null, bool $table_row = false): void
    {
        $val = $this->config->get_int($name);

        $html = "<input type='number' id='$name' name='_config_$name' value='$val' size='4' step='1' />\n";
        $html .= "<input type='hidden' name='_type_$name' value='int' />\n";

        $this->format_option($name, $html, $label, $table_row);
    }

    public function add_shorthand_int_option(string $name, string $label = null, bool $table_row = false): void
    {
        $val = to_shorthand_int($this->config->get_int($name));
        $html = "<input type='text' id='$name' name='_config_$name' value='$val' size='6'>\n";
        $html .= "<input type='hidden' name='_type_$name' value='int'>\n";

        $this->format_option($name, $html, $label, $table_row);
    }

    /**
     * @param array<string,string|int> $options
     */
    public function add_choice_option(string $name, array $options, string $label = null, bool $table_row = false): void
    {
        if (is_int(array_values($options)[0])) {
            $current = $this->config->get_int($name);
        } else {
            $current = $this->config->get_string($name);
        }

        $html = "<select id='$name' name='_config_$name'>";
        foreach ($options as $optname => $optval) {
            if ($optval == $current) {
                $selected = " selected";
            } else {
                $selected = "";
            }
            $html .= "<option value='$optval'$selected>$optname</option>\n";
        }
        $html .= "</select>";
        $html .= "<input type='hidden' name='_type_$name' value='string'>\n";

        $this->format_option($name, $html, $label, $table_row);
    }

    /**
     * @param array<string,string> $options
     */
    public function add_multichoice_option(string $name, array $options, string $label = null, bool $table_row = false): void
    {
        $current = $this->config->get_array($name, []);

        $html = "<select id='$name' name='_config_{$name}[]' multiple size='5'>";
        foreach ($options as $optname => $optval) {
            if (in_array($optval, $current)) {
                $selected = " selected";
            } else {
                $selected = "";
            }
            $html .= "<option value='$optval'$selected>$optname</option>\n";
        }
        $html .= "</select>";
        $html .= "<input type='hidden' name='_type_$name' value='array'>\n";

        $this->format_option($name, $html, $label, $table_row);
    }

    public function add_color_option(string $name, string $label = null, bool $table_row = false): void
    {
        $val = html_escape($this->config->get_string($name));

        $html = "<input type='color' id='{$name}' name='_config_{$name}' value='{$val}'>\n";
        $html .= "<input type='hidden' name='_type_{$name}' value='string'>\n";

        $this->format_option($name, $html, $label, $table_row);
    }
}

class Setup extends Extension
{
    /** @var SetupTheme */
    protected Themelet $theme;

    public function onInitExt(InitExtEvent $event): void
    {
        global $config;
        $config->set_default_string(SetupConfig::TITLE, "Shimmie");
        $config->set_default_string(SetupConfig::FRONT_PAGE, "post/list");
        $config->set_default_string(SetupConfig::MAIN_PAGE, "post/list");
        $config->set_default_string(SetupConfig::THEME, "default");
        $config->set_default_bool(SetupConfig::WORD_WRAP, true);
    }

    public function onPageRequest(PageRequestEvent $event): void
    {
        global $config, $page, $user;

        if ($event->page_starts_with("nicedebug")) {
            $page->set_mode(PageMode::DATA);
            $page->set_data(\Safe\json_encode([
                "args" => $event->args,
            ]));
        }

        if ($event->page_matches("nicetest")) {
            $page->set_mode(PageMode::DATA);
            $page->set_data("ok");
        }

        if ($event->page_matches("setup/advanced", method: "GET", permission: Permissions::CHANGE_SETTING)) {
            $this->theme->display_advanced($page, $config->values);
        } elseif ($event->page_matches("setup", method: "GET", permission: Permissions::CHANGE_SETTING)) {
            $panel = new SetupPanel($config);
            send_event(new SetupBuildingEvent($panel));
            $this->theme->display_page($page, $panel);
        } elseif ($event->page_matches("setup/save", method: "POST", permission: Permissions::CHANGE_SETTING)) {
            send_event(new ConfigSaveEvent($config, $event->POST));
            $config->save();
            $page->flash("Config saved");
            $page->set_mode(PageMode::REDIRECT);
            $page->set_redirect(make_link("setup"));
        }
    }

    public function onSetupBuilding(SetupBuildingEvent $event): void
    {
        $themes = [];
        foreach (\Safe\glob("themes/*") as $theme_dirname) {
            $name = str_replace("themes/", "", $theme_dirname);
            $human = str_replace("_", " ", $name);
            // while phpstan-safe-rule isn't enabled, phpstan can't tell
            // that \Safe\glob() returns string[]
            // @phpstan-ignore-next-line
            $human = ucwords($human);
            $themes[$human] = $name;
        }

        $sb = $event->panel->create_new_block("General");
        $sb->position = 0;
        $sb->add_text_option(SetupConfig::TITLE, "Site title: ");
        $sb->add_text_option(SetupConfig::FRONT_PAGE, "<br>Front page: ");
        $sb->add_text_option(SetupConfig::MAIN_PAGE, "<br>Main page: ");
        $sb->add_text_option("contact_link", "<br>Contact URL: ");
        $sb->add_choice_option(SetupConfig::THEME, $themes, "<br>Theme: ");
        //$sb->add_multichoice_option("testarray", array("a" => "b", "c" => "d"), "<br>Test Array: ");
        $sb->add_bool_option(SetupConfig::NICE_URLS, "<br>Nice URLs: ");
        $sb->add_label("<span id='nicetest'>(Javascript inactive, can't test!)</span>");

        $sb = $event->panel->create_new_block("Remote API Integration");
        $sb->add_label("<a href='https://akismet.com/'>Akismet</a>");
        $sb->add_text_option("comment_wordpress_key", "<br>API key: ");
        $sb->add_label("<br>&nbsp;<br><a href='https://www.google.com/recaptcha/admin'>ReCAPTCHA</a>");
        $sb->add_text_option("api_recaptcha_privkey", "<br>Secret key: ");
        $sb->add_text_option("api_recaptcha_pubkey", "<br>Site key: ");
    }

    public function onConfigSave(ConfigSaveEvent $event): void
    {
        $config = $event->config;
        foreach ($event->values as $_name => $junk) {
            if (substr($_name, 0, 6) == "_type_") {
                $name = substr($_name, 6);
                $type = $event->values["_type_$name"];
                $value = isset($event->values["_config_$name"]) ? $event->values["_config_$name"] : null;
                switch ($type) {
                    case "string":
                        $config->set_string($name, $value);
                        break;
                    case "int":
                        $config->set_int($name, parse_shorthand_int((string)$value));
                        break;
                    case "bool":
                        $config->set_bool($name, bool_escape($value));
                        break;
                    case "array":
                        $config->set_array($name, $value);
                        break;
                }
            }
        }
        log_warning("setup", "Configuration updated");
        foreach (\Safe\glob("data/cache/*.css") as $css_cache) {
            unlink($css_cache);
        }
        log_warning("setup", "Cache cleared");
    }

    public function onCliGen(CliGenEvent $event): void
    {
        $event->app->register('config:get')
            ->addArgument('key', InputArgument::REQUIRED)
            ->setDescription('Get a config value')
            ->setCode(function (InputInterface $input, OutputInterface $output): int {
                global $config;
                $output->writeln($config->get_string($input->getArgument('key')));
                return Command::SUCCESS;
            });
        $event->app->register('config:set')
            ->addArgument('key', InputArgument::REQUIRED)
            ->addArgument('value', InputArgument::REQUIRED)
            ->setDescription('Set a config value')
            ->setCode(function (InputInterface $input, OutputInterface $output): int {
                global $cache, $config;
                $config->set_string($input->getArgument('key'), $input->getArgument('value'));
                $cache->delete("config");
                return Command::SUCCESS;
            });
    }

    public function onPageSubNavBuilding(PageSubNavBuildingEvent $event): void
    {
        global $user;
        if ($event->parent === "system") {
            if ($user->can(Permissions::CHANGE_SETTING)) {
                $event->add_nav_link("setup", new Link('setup'), "Board Config", null, 0);
            }
        }
    }

    public function onUserBlockBuilding(UserBlockBuildingEvent $event): void
    {
        global $user;
        if ($user->can(Permissions::CHANGE_SETTING)) {
            $event->add_link("Board Config", make_link("setup"));
        }
    }

    public function onParseLinkTemplate(ParseLinkTemplateEvent $event): void
    {
        global $config;
        $event->replace('$base', $config->get_string('base_href'));
        $event->replace('$title', $config->get_string(SetupConfig::TITLE));
    }
}