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编辑当前文件:/home/qrafawbu/minscoop.com/app/Models/SitemapModel.php

<?php namespace App\Models;

use CodeIgniter\Model;
use Config\Globals;

class SitemapModel extends BaseModel
{
    protected $urls;

public function __construct()
    {
        parent::__construct();
        $this->urls = array();
    }

//get pages
    public function getPages()
    {
        return $this->db->table('pages')->join('languages', 'languages.id = pages.lang_id')->select('pages.*, languages.short_form AS lang_short_form')
            ->where('languages.status', 1)->where('pages.visibility', 1)->orderBy('languages.id')->get()->getResult();
    }

//get categories
    public function getCategories()
    {
        return $this->db->table('categories')->join('languages', 'languages.id = categories.lang_id')
            ->select('categories.*, languages.short_form AS lang_short_form, (SELECT name_slug FROM categories AS tbl_categories WHERE tbl_categories.id = categories.parent_id) as parent_slug')
            ->where('languages.status', 1)->orderBy('languages.id, categories.id')->get()->getResult();
    }

//get posts
    public function getPosts()
    {
        return $this->db->table('posts')->join('languages', 'languages.id = posts.lang_id')->select('posts.*, languages.short_form AS lang_short_form')
            ->where('posts.visibility', 1)->where('posts.status', 1)->where('posts.is_scheduled', 0)->orderBy('languages.id, posts.id')->get()->getResult();
    }

//get tags
    public function getTags()
    {
        return $this->db->table('tags')->join('posts', 'posts.id = tags.post_id')->join('users', 'posts.user_id = users.id')
            ->select('tags.tag_slug, tags.tag, posts.lang_id')->where('posts.status', 1)->where('posts.visibility', 1)
            ->where('posts.is_scheduled', 0)->get()->getResult();
    }

//update sitemap settings
    public function updateSitemapSettings()
    {
        $data = [
            'sitemap_frequency' => inputPost('frequency'),
            'sitemap_last_modification' => inputPost('last_modification'),
            'sitemap_priority' => inputPost('priority')
        ];
        $this->db->table('general_settings')->where('id', 1)->update($data);
    }

//add sitemap item
    public function add($loc, $changeFreq = NULL, $lastMod = NULL, $priority = NULL, $priorityValue = NULL, $lastModTime = NULL)
    {
        $item = new \stdClass();
        $item->loc = $loc;
        $item->lastMod = $lastMod;
        $item->lastModTime = $lastModTime;
        $item->changeFreq = $changeFreq;
        $item->priority = $priority;
        $item->priorityValue = $priorityValue;
        $this->urls[] = $item;
        return true;
    }

//add static page urls
    public function addStaticURLs($frequency, $lastModification, $priority, $lastModTime)
    {
        $this->add(base_url(), $frequency, $lastModification, 1, 1, $lastModTime);
    }

//add page urls
    public function addPageURLs($frequency, $lastModification, $priority, $lastModTime)
    {
        $pages = $this->getPages();
        if (!empty($pages)) {
            foreach ($pages as $page) {
                $baseURL = $this->generateBaseURLByLang($page->lang_id, $page->lang_short_form);
                if (!empty($baseURL)) {
                    $this->add($baseURL . $page->slug, $frequency, $lastModification, $priority, 0.8, $lastModTime);
                }
            }
        }
    }

//add category urls
    public function addCategoryURLs($frequency, $lastModification, $priority, $lastModTime)
    {
        $categories = $this->getCategories();
        if (!empty($categories)) {
            foreach ($categories as $category) {
                $baseURL = $this->generateBaseURLByLang($category->lang_id, $category->lang_short_form);
                if (!empty($baseURL)) {
                    $url = "";
                    if (!empty($category->parent_slug)) {
                        $url = $baseURL . $category->parent_slug . '/' . $category->name_slug;
                    } else {
                        $url = $baseURL . $category->name_slug;
                    }
                    $this->add($url, $frequency, $lastModification, $priority, 0.8, $lastModTime);
                }
            }
        }
    }

//add post urls
    public function addPostUrls($frequency, $lastModification, $priority, $lastModTime)
    {
        $posts = $this->getPosts();
        if (!empty($posts)) {
            foreach ($posts as $post) {
                $baseURL = $this->generateBaseURLByLang($post->lang_id, $post->lang_short_form);
                if (!empty($baseURL)) {
                    $this->add($baseURL . $post->title_slug, $frequency, $lastModification, $priority, 0.8, $lastModTime);
                }
            }
        }
    }

//add tag urls
    public function addTagUrls($frequency, $lastModification, $priority, $lastModTime)
    {
        $arrayAdded = array();
        $tags = $this->getTags();
        if (!empty($tags)) {
            foreach ($tags as $tag) {
                if (!empty($tag)) {
                    $baseURL = generateBaseURLByLangId($tag->lang_id);
                    if (!empty($baseURL)) {
                        $url = $baseURL . getRoute('tag', true) . $tag->tag_slug;
                        $this->add($url, $frequency, $lastModification, $priority, 0.8, $lastModTime);
                    }
                }
            }
        }
    }

//generate sitemape
    public function generateSitemap()
    {
        $settingsModel = new SettingsModel();
        $generalSettings = $settingsModel->getGeneralSettings();
        if (empty($generalSettings)) {
            return false;
        }
        $frequency = $generalSettings->sitemap_frequency;
        $lastMod = $generalSettings->sitemap_last_modification;
        $priority = $generalSettings->sitemap_priority;
        $this->addStaticURLs($frequency,$lastMod,1,NULL);
        $this->addPageURLs($frequency, $lastMod, $priority, NULL);
        $this->addCategoryURLs($frequency, $lastMod, $priority, NULL);
        $this->addPostUrls($frequency, $lastMod, $priority, NULL);
        $this->addTagUrls($frequency, $lastMod, $priority, NULL);
        if (countItems($this->urls) > 49000) {
            $arrayURLs = array_chunk($this->urls, 49000);
            $i = 0;
            if (!empty($arrayURLs)) {
                foreach ($arrayURLs as $arrayURL) {
                    $fullPath = FCPATH . 'sitemap.xml';
                    if ($i != 0) {
                        $fullPath = FCPATH . 'sitemap-' . $i . '.xml';
                    }
                    $this->exportSitemap($fullPath, $arrayURL);
                    $i++;
                }
            }
        } else {
            $fullPath = FCPATH . 'sitemap.xml';
            $this->exportSitemap($fullPath, $this->urls);
        }
    }

//export sitemap
    public function exportSitemap($fullPath, $array)
    {
        if (file_exists($fullPath)) {
            unlink($fullPath);
        }
        $xml = new \SimpleXMLElement('<?xml version="1.0" encoding="UTF-8" ?><urlset/>');
        $xml->addAttribute('xmlns', 'http://www.sitemaps.org/schemas/sitemap/0.9');
        foreach ($array as $url) {
            $child = $xml->addChild('url');
            $urlLoc = '';
            if (!empty($url->loc)) {
                $urlLoc = htmlspecialchars(strtolower($url->loc));
            }
            $child->addChild('loc', $urlLoc);
            if (isset($url->lastMod) && $url->lastMod != 'none') {
                if ($url->lastMod == 'server_response') {
                    $child->addChild('lastmod', date('Y-m-d'));
                } else {
                    $child->addChild('lastmod', $url->lastModTime);
                }
            }
            if (isset($url->changeFreq) && $url->changeFreq != 'none') {
                $child->addChild('changefreq', $url->changeFreq);
            }
            if (isset($url->priority) && $url->priority != 'none') {
                $child->addChild('priority', $url->priorityValue);
            }
        }
        $xml->saveXML($fullPath);
    }

//generate base URL by language
    public function generateBaseURLByLang($langId, $shortForm)
    {
        if ($langId == $this->generalSettings->site_lang) {
            return base_url() . '/';
        } else {
            return base_url($shortForm) . '/';
        }
    }

}