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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,237 @@ | ||
| <?php | ||
| class Helper | ||
| { | ||
| private $useCDN = false; | ||
|
|
||
| function __construct($useCDN=false) | ||
| { | ||
| $this->useCDN = $useCDN; | ||
| } | ||
|
|
||
| public function cdn_that_image($image, $width) | ||
| { | ||
| if( ! $this->useCDN) return $image; | ||
| if ( 0 === strpos( $image, '//' ) ) { | ||
| $image = 'https:' . $image; | ||
| } | ||
| $image_url_parts = @parse_url( $image ); | ||
|
|
||
| if ( ! is_array( $image_url_parts ) || empty( $image_url_parts['host'] ) || empty( $image_url_parts['path'] ) ) return $image; | ||
| if( strpos( $image_url_parts['host'], 'localhost') !== false || strpos( $image_url_parts['host'], '127.0.0.1') !== false) return $image; | ||
|
|
||
| $image_host_path = $image_url_parts['host'] . $image_url_parts['path']; | ||
|
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||
| $cdn_url = "https://i.meln.top/"; | ||
| $cdn_url .= 'width/' . $width . '/n/'. $image_host_path; //resize image, keep proportions | ||
|
|
||
| return $cdn_url; | ||
| } | ||
|
|
||
| public function cdn_cover_image($image, $width, $height) | ||
| { | ||
| if( ! $this->useCDN) return $image; | ||
| if ( 0 === strpos( $image, '//' ) ) { | ||
| $image = 'https:' . $image; | ||
| } | ||
| $image_url_parts = @parse_url( $image ); | ||
|
|
||
| if ( !is_array( $image_url_parts ) || empty( $image_url_parts['host'] ) || empty( $image_url_parts['path'] ) ) return $image; | ||
| if( strpos( $image_url_parts['host'], 'localhost') !== false || strpos( $image_url_parts['host'], '127.0.0.1') !== false) return $image; | ||
|
|
||
| $image_host_path = $image_url_parts['host'] . $image_url_parts['path']; | ||
|
|
||
| $cdn_url = "https://i.meln.top"; | ||
| $cdn_url .= '/cover/' . $width .'x'.$height. '/n/'. $image_host_path; //resize image, keep proportions | ||
|
|
||
| return $cdn_url; | ||
| } | ||
|
|
||
| public static function get_thumb() | ||
| { | ||
| global $page; | ||
| $first_img = $page->thumbCoverImage(); | ||
| if (empty($first_img)) { | ||
| preg_match_all('/<img.+src=[\'"]([^\'"]+)[\'"].*>/i', $page->content(), $matches); | ||
| if (isset($matches[1][0])) { | ||
| $first_img = $matches[1][0]; | ||
| } | ||
| } | ||
| return $first_img; | ||
| } | ||
|
|
||
|
|
||
| public function previousKey() | ||
| { | ||
| global $page; | ||
| global $pages; | ||
| if($page->isStatic()) return false; | ||
| $currentKey = $page->key(); | ||
| $keys = $pages->getPublishedDB(true); | ||
| $position = array_search($currentKey, $keys) + 1; | ||
| if (isset($keys[$position])) { | ||
| return $keys[$position]; | ||
| } | ||
| return false; | ||
| } | ||
|
|
||
| public function nextKey() | ||
| { | ||
| global $page; | ||
| global $pages; | ||
| if($page->isStatic()) return false; | ||
| $currentKey = $page->key(); | ||
| $keys = $pages->getPublishedDB(true); | ||
| $position = array_search($currentKey, $keys) - 1; | ||
| if (isset($keys[$position])) { | ||
| return $keys[$position]; | ||
| } | ||
| return false; | ||
| } | ||
|
|
||
| public function head_description() | ||
| { | ||
| global $site; | ||
| global $WHERE_AM_I; | ||
| global $page; | ||
| global $url; | ||
|
|
||
| $description = $site->description(); | ||
|
|
||
| if ($WHERE_AM_I == 'page') { | ||
| $description = $page->description(); | ||
| if (empty($description)) { | ||
| $cont = str_replace('<', ' <', $page->content(false)); | ||
| $cont = html_entity_decode($cont); | ||
| $description = Text::truncate(Text::removeHTMLTags($cont), 250); | ||
| $description = trim($description); | ||
| } | ||
| } elseif ($WHERE_AM_I == 'category') { | ||
| try { | ||
| $categoryKey = $url->slug(); | ||
| $category = new Category($categoryKey); | ||
| $description = $category->description(); | ||
| } | ||
| catch (Exception $e) { | ||
| // description from the site | ||
| } | ||
| } | ||
| return '<meta name="description" content="' . $description . '">' . PHP_EOL; | ||
| } | ||
|
|
||
| public function description() | ||
| { | ||
| global $site; | ||
| global $WHERE_AM_I; | ||
| global $url; | ||
|
|
||
| $description = $site->description(); | ||
|
|
||
| if ($WHERE_AM_I == 'category') { | ||
| try { | ||
| $categoryKey = $url->slug(); | ||
| $category = new Category($categoryKey); | ||
| $description = $category->description(); | ||
| } | ||
| catch (Exception $e) { | ||
| // description from the site | ||
| } | ||
| } | ||
| return $description; | ||
| } | ||
|
|
||
| public function slogan() | ||
| { | ||
| global $site; | ||
| global $WHERE_AM_I; | ||
| global $url; | ||
| $slogan = $site->slogan(); | ||
| if ($WHERE_AM_I == 'category') { | ||
| try { | ||
| $categoryKey = $url->slug(); | ||
| $category = new Category($categoryKey); | ||
| $slogan = $category->name(); | ||
| } | ||
| catch (Exception $e) { | ||
| // slogan from the site | ||
| } | ||
| } | ||
| return $slogan; | ||
| } | ||
|
|
||
|
|
||
| public static function content2excerpt($cont) | ||
| { | ||
| $cont = str_replace('<', ' <', $cont); | ||
| $cont = html_entity_decode($cont); | ||
| $description = Text::truncate(Text::removeHTMLTags($cont), 250); | ||
| $description = trim( $description); | ||
| return $description; | ||
| } | ||
|
|
||
| /** | ||
| * Summary of getRelated | ||
| * @param mixed $max | ||
| * @param mixed $similar | ||
| * @return array[]|string | ||
| */ | ||
| public static function getRelated($max = 3, $similar = true) | ||
| { | ||
| global $WHERE_AM_I; | ||
| global $page; | ||
| if ($WHERE_AM_I == 'page') { | ||
| $currentKey = $page->key(); | ||
| if (!$page->category()) return false; | ||
| $currentCategory = getCategory($page->categoryKey()); | ||
| if (count($currentCategory->pages()) >= $max + 1) { | ||
| $allCatPages = $currentCategory->pages(); | ||
| //remove curent page | ||
| $allCatPages = array_diff($allCatPages, array($currentKey)); | ||
|
|
||
| //sort rest pages by similarity O(N**3) | ||
| if ($similar) { | ||
| usort($allCatPages, function ($a, $b) use ($currentKey) { | ||
| similar_text($currentKey, $a, $percentA); | ||
| similar_text($currentKey, $b, $percentB); | ||
| return $percentA === $percentB ? 0 : ($percentA > $percentB ? -1 : 1); | ||
| }); | ||
| } | ||
| //or just randomize | ||
| else { | ||
| shuffle($allCatPages); | ||
| } | ||
| $related = array(); | ||
| for ($i = 0; $i < $max; $i++) { | ||
| $item = new Page($allCatPages[$i]); | ||
| if ($item->published()) { | ||
| $related[] = array( | ||
| 'title' => $item->title(), | ||
| 'link' => $item->permalink(), | ||
| 'image' => $item->coverImage(), | ||
| 'thumb' => $item->thumbCoverImage() | ||
| ); | ||
| } | ||
| } | ||
| return $related; | ||
| } | ||
|
|
||
| } | ||
| return false; | ||
| } | ||
|
|
||
| /** | ||
| * Limit text to number of words | ||
| * @param string $text The input string | ||
| * @param int $limit Number of words to return | ||
| * @param string $ending Text to add at end | ||
| * @return string | ||
| */ | ||
| public function limit_text_words($text, $limit, $ending = '...') { | ||
| if (str_word_count($text, 0) > $limit) { | ||
| $words = str_word_count($text, 2); | ||
| $pos = array_keys($words); | ||
| $text = substr($text, 0, $pos[$limit]) . $ending; | ||
| } | ||
| return $text; | ||
| } | ||
|
|
||
| } |