lucent-laravel/src/Schema/Sidebar/SidebarService.php

<?php

namespace Lucent\Schema\Sidebar;


use Lucent\Channel\ChannelService;
use Lucent\Schema\Schema\CollectionSchema;
use Lucent\Schema\Schema\FilesSchema;
use Lucent\Schema\Schema\Schema;
use Lucent\Schema\Sidebar\Item\Item;
use Lucent\Schema\Sidebar\Item\LinkItem;
use Lucent\Schema\Sidebar\Item\SchemaItem;
use Lucent\Schema\Sidebar\View\ItemData;
use Lucent\Schema\Sidebar\View\SectionData;
use Lucent\Support\Option\Option;
use Symfony\Component\Yaml\Yaml;

class SidebarService
{
    public function __construct(
        private ChannelService $channelService,
    )
    {
    }

    /**
     * @param array<string> $readableSchemas
     * @param string $currentSchema
     * @return string
     */
    public function render(array $readableSchemas, string $currentSchema): string
    {
        $schemas = $this->channelService->channel->schemas->whereIn("name", $readableSchemas);
        $sidebar = $this->fromConfig();
        $sections = [];
        $usedSchemaNames = [];

        if ($sidebar->isDefined()) {
            $sections = $sidebar->get()->sections->map(function (Section $section) use ($currentSchema): SectionData {
                return new SectionData(
                    label: $section->label,
                    isOpen: $section->items->where("schema", $currentSchema)->isNotEmpty(),
                    items: array_map(fn($item) => $this->renderItem($currentSchema, $item), $section->items->toArray())
                );
            })->toArray();

            $usedSchemaNames =$sidebar->get()->sections->reduce(fn(array $carry, Section $section) => array_merge($carry, $section->items->pluck("schema")->toArray()), []);
        }

        $sections[] = new SectionData(
            label: $sidebar->isDefined() ? "Rest" : "Content",
            isOpen: $schemas->whereNotIn("name",$usedSchemaNames)->where("name",$currentSchema)->isNotEmpty(),
            items: array_map(fn($item) => $this->renderItem($currentSchema, $item), $schemas->whereNotIn("name",$usedSchemaNames)->toArray())
        );

        return view('lucent::sidebar.sidebar', [
            'channel' => $this->channelService->channel,
            'sections' => $sections,
        ])->render();
    }

    private function renderItem(string $currentSchema, Item|Schema $item): ItemData
    {
        return match (get_class($item)) {
            LinkItem::class => new ItemData($item->label, $item->href, false, true),
            SchemaItem::class => new ItemData($item->label, $this->channelService->channel->lucentUrl . "/content/" . $item->schema, $currentSchema === $item->schema, false),
            CollectionSchema::class => new ItemData($item->label, $this->channelService->channel->lucentUrl . "/content/" . $item->name, $currentSchema === $item->name, false),
            FilesSchema::class => new ItemData($item->label, $this->channelService->channel->lucentUrl . "/content/" . $item->name, $currentSchema === $item->name, false),
        };
    }

    /**
     * @return Option<Sidebar>
     */
    private function fromConfig(): Option
    {
        $configPath = base_path(config("lucent.sidebar_path")) . "/sidebar.yaml";

        if (!file_exists($configPath)) {
            return none();
        }

        $yaml = Yaml::parse(file_get_contents($configPath));

        if (empty($yaml)) {
            return none();
        }

        $sidebar = Sidebar::fromArray($yaml);
        return some($sidebar);


    }
}