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<?php |
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/** |
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* * Common controller |
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* * |
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* The file contains every function needed in many other controllers. |
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* |
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* * @category Controllers |
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* * @package SuperHive |
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* * @author Florent Kosmala <[email protected]> |
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* * @license https://www.gnu.org/licenses/gpl-3.0.txt GPL-3.0 |
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* */ |
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declare(strict_types=1); |
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namespace App\Controllers; |
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use Hive\PhpLib\Hive\Condenser as HiveCondenser; |
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use Psr\Container\ContainerInterface; |
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final class CommonController |
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{ |
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private ContainerInterface $app; |
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public function __construct(ContainerInterface $app) |
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{ |
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$this->app = $app; |
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} |
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/** |
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* * genPostsFile function |
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* * |
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* This function will query the blockchain to have posts |
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* It will generate a JSON file stored in /resources/blog/ folder |
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* */ |
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public function genPostsFile(): void |
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{ |
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$settings = $this->app->get('settings'); |
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$result = ''; |
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// Hive API communication init |
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$apiConfig = [ |
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'hiveNode' => $settings['api'], |
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'debug' => false, |
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]; |
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$api = new HiveCondenser($apiConfig); |
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// The file with the latest posts. |
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$file = $this->app->get('blogfile'); |
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// if the JSON file doesn't exist or if it's old, take it from API |
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if (!file_exists($file) || (time() - filemtime($file) > $settings['delay'])) { |
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// Prepare API call according to displayed posts type |
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$displayType = $settings['displayType']['type']; |
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if ($displayType === 'author') { |
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if (preg_match('/(hive-\d{6})/i', $settings['author']) == 1) { |
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$result = json_encode( |
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$api->getDiscussionsByCreated( |
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$settings['author'] |
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), |
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JSON_PRETTY_PRINT |
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); |
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} else { |
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$dateNow = (new \DateTime())->format('Y-m-d\TH:i:s'); |
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$result = json_encode( |
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$api->getDiscussionsByAuthorBeforeDate( |
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$settings['author'], |
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'', |
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$dateNow, |
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100 |
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), |
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JSON_PRETTY_PRINT |
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); |
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} |
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} elseif (($displayType === 'tag')) { |
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$displayTag = $settings['displayType']['tag']; |
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$taggedPosts = []; |
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$allPosts = json_encode( |
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$api->getDiscussionsByAuthorBeforeDate( |
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$settings['author'], |
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'', |
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'', |
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100 |
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) |
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); |
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$allPosts = json_decode($allPosts, true); |
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foreach ($allPosts as &$post) { |
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$postMeta = json_decode($post['json_metadata'], true); |
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$postTags = $postMeta['tags']; |
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if (in_array($displayTag, $postTags)) { |
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$taggedPosts[] = $post; |
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} |
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} |
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$result = json_encode($taggedPosts, JSON_PRETTY_PRINT); |
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unset($taggedPosts); |
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} elseif ($displayType === 'reblog') { |
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$result = json_encode($api->getDiscussionsByBlog($settings['author']), JSON_PRETTY_PRINT); |
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} |
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file_put_contents($file, $result); |
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} |
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} |
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/** |
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* * getMostUsedTags function |
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* * |
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* This function will get tags from each post and sort them |
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* by occurence. |
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* |
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* @return array<string, int> $mostUsedTags |
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* */ |
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public function getMostUsedTags(): array |
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{ |
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$file = $this->app->get('blogfile'); |
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$tags = ''; |
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$data = json_decode(file_get_contents($file), true); |
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/* For each post, get metadata, to extract tags only */ |
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foreach ($data as &$post) { |
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$meta = json_decode($post['json_metadata'], true); |
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$tags .= implode(',', $meta['tags']) . ','; |
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} |
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$tagsArray = explode(',', $tags); |
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$mostUsedTags = array_count_values($tagsArray); //get all occurrences of each values |
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arsort($mostUsedTags); |
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$mostUsedTags = array_slice($mostUsedTags, 0, 10, true); |
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return $mostUsedTags; |
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} |
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/** |
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* * getPopularPosts function |
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* * |
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* This function will get 5 posts with most upvotes |
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* |
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* @return array<string, int> $popularPosts |
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* */ |
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public function getPopularPosts(): array |
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{ |
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$file = $this->app->get('blogfile'); |
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$data = json_decode(file_get_contents($file), true); |
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uasort($data, function ($a, $b) { |
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if (strpos($a['body'], 'cross post') === false) { |
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$a = count($a['active_votes']); |
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$b = count($b['active_votes']); |
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return ($a == $b) ? 0 : (($a > $b) ? -1 : 1); |
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} |
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}); |
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$popularPosts = array_slice($data, 0, 5, true); |
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return $popularPosts; |
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} |
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/** |
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* * getLastPosts function |
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* * |
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* This function will get 5 posts with most upvotes |
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* |
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* @return array<string, int> $lastPosts |
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* */ |
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public function getLastPosts(): array |
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{ |
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$file = $this->app->get('blogfile'); |
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$data = json_decode(file_get_contents($file), true); |
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$lastPosts = array_slice($data, 0, 5, true); |
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return $lastPosts; |
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} |
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} |
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fkosmala /
superhive
