<?php

namespace Providers;

require_once('JsonFeed.php');
require_once('Item.php');

class Substack extends \Providers\JsonFeed {

    protected function _getFeedUrl($feed) {
        return sprintf('https://%s.substack.com/api/v1/posts', $feed);
    }

    protected function _getCachePath() {
        return '../cache/substack.%s';
    }

    protected function _parseFeedContent($feed) {
        return $feed;
    }

    protected function _mapItems($content) {
        $items = [];
        foreach ($content as $item) {
            $itemObject = new Item();
            $itemObject->ID = sprintf($this->feedUrl . '/' . $item->publication_id);
            $itemObject->Title = strval($item->title);
            $itemObject->Time = $item->post_date;
            $itemObject->Text = $item->body_html;
            $itemObject->Link = $item->canonical_url;
            $itemObject->Author = $item->publishedByLines[0]->name;
            $items[] = $itemObject;
        }
        return $items;
    }

    public function title() {
        return sprintf("%s's substack", $this->_feed);
    }

}

?>