1 files changed, 150 insertions, 0 deletions
diff --git a/core/namespace/Item.php b/core/namespace/Item.php
new file mode 100644
index 0000000..6d17011
--- /dev/null
+++ b/core/namespace/Item.php
@@ -0,0 +1,150 @@
+<?php
+abstract class Item implements ItemInterface {
+	protected $Database   = NULL;
+	protected $Attribute  = NULL;
+	protected $Reflection = NULL;
+
+	abstract public function getURL();
+	abstract public function getGUID();
+
+	#===============================================================================
+	# Abstract item constructor
+	#===============================================================================
+	public final function __construct($itemID, \Database $Database) {
+		$this->Database = $Database;
+
+		$this->Reflection = new ReflectionObject($this);
+
+		$attribute = "{$this->Reflection->getNamespaceName()}\\Attribute";
+		$exception = "{$this->Reflection->getNamespaceName()}\\Exception";
+
+		#===============================================================================
+		# Checking if item in database exists
+		#===============================================================================
+		$Statement = $Database->prepare(sprintf('SELECT * FROM %s WHERE id = ?', $attribute::TABLE));
+		$Statement->execute([$itemID]);
+
+		#===============================================================================
+		# Checking if retrieving data failed
+		#===============================================================================
+		if(!$this->Attribute = $Statement->fetchObject($attribute)) {
+			throw new $exception(sprintf('%s\\Item with ID %s does not exists', $this->Reflection->getNamespaceName(), (int) $itemID));
+		}
+	}
+
+	#===============================================================================
+	# Return attribute by name (short hand wrapper)
+	#===============================================================================
+	public function attr($attribute) {
+		return $this->Attribute->get($attribute);
+	}
+
+	#===============================================================================
+	# Return Attribute object
+	#===============================================================================
+	public final function getAttribute(): Attribute {
+		return $this->Attribute;
+	}
+
+	#===============================================================================
+	# Return unique ID
+	#===============================================================================
+	public final function getID(): int {
+		return $this->Attribute->get('id');
+	}
+
+	#===============================================================================
+	# Return pre-parsed content
+	#===============================================================================
+	public function getBody(): string {
+		$content = preg_replace_callback('#\{(POST|PAGE|USER)\[([0-9]+)\]\}#', function($matches) {
+			$namespace = ucfirst(strtolower($matches[1])).'\\Factory';
+
+			try {
+				$Item = $namespace::build($matches[2]);
+				return $Item->getURL();
+			} catch(Exception $Exception) {
+				return '{undefined}';
+			}
+		}, $this->Attribute->get('body'));
+
+		$content = preg_replace('#\{BASE\[\"([^"]+)\"\]\}#', \Application::getURL('$1'), $content);
+		$content = preg_replace('#\{FILE\[\"([^"]+)\"\]\}#', \Application::getFileURL('$1'), $content);
+
+		return $content;
+	}
+
+	#===============================================================================
+	# Return parsed content
+	#===============================================================================
+	public function getHTML(): string {
+		$item = "{$this->Reflection->getNamespaceName()}\\Item";
+
+		$Parsedown = new Parsedown();
+		$content = $this->getBody();
+
+		if(\Application::get($item::CONFIGURATION.'.EMOTICONS') === TRUE) {
+			$content = parseEmoticons($content);
+		}
+
+		return $Parsedown->text($content);
+	}
+
+	#===============================================================================
+	# Return attached files
+	#===============================================================================
+	public function getFiles(): array {
+		if(preg_match_all('#\!\[(.*)\][ ]?(?:\n[ ]*)?\((.*)(\s[\'"](.*)[\'"])?\)#U', $this->getBody(), $matches)) {
+			return array_map('htmlentities', $matches[2]);
+		}
+
+		return [];
+	}
+
+	#===============================================================================
+	# Return previous item ID
+	#===============================================================================
+	public function getPrevID(): int {
+		$execute = 'SELECT id FROM %s WHERE DATE(time_insert) <= DATE(?) AND id < ? ORDER BY time_insert DESC, id DESC LIMIT 1';
+
+		$attribute = "{$this->Reflection->getNamespaceName()}\\Attribute";
+		$Statement = $this->Database->prepare(sprintf($execute, $attribute::TABLE));
+
+		if($Statement->execute([$this->Attribute->get('time_insert'), $this->Attribute->get('id')])) {
+			return $Statement->fetchColumn();
+		}
+
+		return 0;
+	}
+
+	#===============================================================================
+	# Return next item ID
+	#===============================================================================
+	public function getNextID(): int {
+		$execute = 'SELECT id FROM %s WHERE DATE(time_insert) >= DATE(?) AND id > ? ORDER BY time_insert ASC, id DESC LIMIT 1';
+
+		$attribute = "{$this->Reflection->getNamespaceName()}\\Attribute";
+		$Statement = $this->Database->prepare(sprintf($execute, $attribute::TABLE));
+
+		if($Statement->execute([$this->Attribute->get('time_insert'), $this->Attribute->get('id')])) {
+			return $Statement->fetchColumn();
+		}
+
+		return 0;
+	}
+
+	#===============================================================================
+	# Return unique ID based on specific field comparison with value
+	#===============================================================================
+	public static function getIDByField($field, $value, \Database $Database): int {
+		$attribute = (new ReflectionClass(get_called_class()))->getNamespaceName().'\\Attribute';
+		$Statement = $Database->prepare('SELECT id FROM '.$attribute::TABLE." WHERE {$field} = ?");
+
+		if($Statement->execute([$value])) {
+			return $Statement->fetchColumn();
+		}
+
+		return 0;
+	}
+}
+?>
+\ No newline at end of file