shimmie2/contrib/pools/main.php

<?php
/**
 * Name: [Beta] Pools System
 * Author: Sein Kraft <mail@seinkraft.info>
 * License: GPLv2
 * Description: Simple pools extension
 * Documentation:
 */

class Pools extends SimpleExtension {
	public function onInitExt($event) {
		global $config, $database;

		if ($config->get_int("ext_pools_version") < 1) {
			$database->create_table("pools", "
					id SCORE_AIPK,
					user_id INTEGER NOT NULL,
					public SCORE_BOOL NOT NULL DEFAULT SCORE_BOOL_N,
					title VARCHAR(255) NOT NULL,
					description TEXT,
					date DATETIME NOT NULL,
					posts INTEGER NOT NULL DEFAULT 0,
					INDEX (id)
					");
			$database->create_table("pool_images", "
					pool_id INTEGER NOT NULL,
					image_id INTEGER NOT NULL,
					image_order INTEGER NOT NULL DEFAULT 0
					");
			$database->create_table("pool_history", "
					id SCORE_AIPK,
					pool_id INTEGER NOT NULL,
					user_id INTEGER NOT NULL,
					action INTEGER NOT NULL,
					images TEXT,
					count INTEGER NOT NULL DEFAULT 0,
					date DATETIME NOT NULL,
					INDEX (id)
					");

			$config->set_int("ext_pools_version", 1);

			$config->set_int("poolsMaxImportResults", 1000);
			$config->set_int("poolsImagesPerPage", 20);
			$config->set_int("poolsListsPerPage", 20);
			$config->set_int("poolsUpdatedPerPage", 20);
			$config->set_bool("poolsInfoOnViewImage", "N");

			log_info("pools", "extension installed");
		}
	}

	public function onSetupBuilding(SetupBuildingEvent $event) {
		$sb = new SetupBlock("Pools");
		$sb->add_int_option("poolsMaxImportResults", "Max results on import: ");
		$sb->add_int_option("poolsImagesPerPage", "<br>Images per page: ");
		$sb->add_int_option("poolsListsPerPage", "<br>Index list items per page: ");
		$sb->add_int_option("poolsUpdatedPerPage", "<br>Updated list items per page: ");
		$sb->add_bool_option("poolsInfoOnViewImage", "<br>Show pool info on image: ");
		$event->panel->add_block($sb);
	}

	public function onPageRequest($event) {
		global $config, $page, $user;

		if($event->page_matches("pool")) {
			switch($event->get_arg(0)) {
				case "list": //index
				{
					$this->list_pools($page, $event);
					break;
				}
				case "new": // Show form
				{
					if(!$user->is_anonymous()) {
						$this->theme->new_pool_composer($page);
					} else {
						$errMessage = "You must be registered and logged in to create a new pool.";
						$this->theme->display_error($errMessage);
					}
					break;
				}
				case "create": // ADD _POST
				{
					if(!$user->is_anonymous()) {
						$newPoolID = $this->add_pool();
						$page->set_mode("redirect");
						$page->set_redirect(make_link("pool/view/".$newPoolID));
					} else {
						$this->theme->display_error("You must be registered and logged in to add a image.");
					}
					break;
				}
				case "view":
				{
					$poolID = int_escape($event->get_arg(1));
					$this->get_posts($event, $poolID);
					break;
				}
				case "updated":
				{
					$this->get_history($event);
					break;
				}
				case "revert":
				{
					if(!$user->is_anonymous()) {
						$historyID = int_escape($event->get_arg(1));

						$this->revert_history($historyID);

						$page->set_mode("redirect");
						$page->set_redirect(make_link("pool/updated"));
					}
					break;
				}
				case "edit":
				{
					$poolID = int_escape($event->get_arg(1));
					$pools = $this->get_pool($poolID);

					foreach($pools as $pool) {
						//if the pool is public and user is logged OR if the user is admin OR the user is the owner
						if(($pool['public'] == "Y" && !$user->is_anonymous()) || $user->is_admin() || $user->id == $pool['user_id']) {
							$this->theme->edit_pool($page, $this->get_pool($poolID), $this->edit_posts($poolID));
						} else {
							$page->set_mode("redirect");
							$page->set_redirect(make_link("pool/view/".$poolID));
						}
					}
					break;
				}
				case "edit_pool":
				{
					$poolID = int_escape($_POST["pool_id"]);
					$page->set_mode("redirect");
					$page->set_redirect(make_link("pool/edit/".$poolID));
					break;
				}
				case "order":
				{
					$poolID = int_escape($event->get_arg(1));
					$pools = $this->get_pool($poolID);

					foreach($pools as $pool) {
						//if the pool is public and user is logged OR if the user is admin
						if(($pool['public'] == "Y" && !$user->is_anonymous()) || $user->is_admin() || $user->id == $pool['user_id']) {
							$this->theme->edit_order($page, $this->get_pool($poolID), $this->edit_order($poolID));
						} else {
							$page->set_mode("redirect");
							$page->set_redirect(make_link("pool/view/".$poolID.""));
						}
					}
					break;
				}
				case "edit_order":
				{
					$poolID = int_escape($_POST["pool_id"]);
					$page->set_mode("redirect");
					$page->set_redirect(make_link("pool/order/".$poolID.""));
					break;
				}
				case "import":
				{
					$pool_id = int_escape($_POST["pool_id"]);
					$pool = $this->get_single_pool($pool_id);

					if(($pool['public'] == "Y" && !$user->is_anonymous()) || $user->is_admin() || $user->id == $pool['user_id']) {
						$this->import_posts();
					} else {
						$this->theme->display_error("Permssion denied.");
					}
					break;
				}
				case "add_posts":
				{
					$pool_id = int_escape($_POST["pool_id"]);
					$pool = $this->get_single_pool($pool_id);

					if(($pool['public'] == "Y" && !$user->is_anonymous()) || $user->is_admin() || $user->id == $pool['user_id']) {
						$this->add_posts();
						$page->set_mode("redirect");
						$page->set_redirect(make_link("pool/view/".$pool_id));
					} else {
						$this->theme->display_error("Permssion denied.");
					}
					break;
				}
				case "order_posts":
				{
					$pool_id = int_escape($_POST["pool_id"]);
					$pool = $this->get_single_pool($pool_id);

					if(($pool['public'] == "Y" && !$user->is_anonymous()) || $user->is_admin() || $user->id == $pool['user_id']) {
						$this->order_posts();
						$page->set_mode("redirect");
						$page->set_redirect(make_link("pool/view/".$pool_id));
					} else {
						$this->theme->display_error("Permssion denied.");
					}
					break;
				}
				case "remove_posts":
				{
					$pool_id = int_escape($_POST["pool_id"]);
					$pool = $this->get_single_pool($pool_id);

					if(($pool['public'] == "Y" && !$user->is_anonymous()) || $user->is_admin() || $user->id == $pool['user_id']) {
						$this->remove_posts();
						$page->set_mode("redirect");
						$page->set_redirect(make_link("pool/view/".$pool_id ));
					} else {
						$this->theme->display_error("Permssion denied.");
					}

					break;
				}
				case "nuke":
				{
					$pool_id = int_escape($event->get_arg(1));
					$pool = $this->get_single_pool($pool_id);

					// only admins and owners may do this
					if($user->is_admin() || $user->id == $pool['user_id']) {
						$this->nuke_pool($pool_id);
						$page->set_mode("redirect");
						$page->set_redirect(make_link("pool/list"));
					} else {
						$this->theme->display_error("Permssion denied.");
					}
					break;
				}
				case "nuke_pool":
				{
					$poolID = int_escape($_POST["pool_id"]);
					$page->set_mode("redirect");
					$page->set_redirect(make_link("pool/nuke/".$poolID));
					break;
				}
				default:
				{
					$page->set_mode("redirect");
					$page->set_redirect(make_link("pool/list"));
					break;
				}
			}
		}
	}



	/*
	 * HERE WE GET THE POOLS WHERE THE IMAGE APPEARS WHEN THE IMAGE IS DISPLAYED
	 */
	public function onDisplayingImage($event) {
		global $page;
		$imageID = $event->image->id;
		$poolsIDs = $this->get_pool_id($imageID);

		$linksPools = "";
		foreach ($poolsIDs as $poolID) {
			$pools = $this->get_pool($poolID['pool_id']);
			foreach ($pools as $pool) {
				$linksPools .= "<a href='".make_link("pool/view/".$pool['id']."")."'>".$pool['title']."</a>, ";
			}
		}
		$linksPools = substr($linksPools, 0, -2);
		$linksPools = $linksPools." ";
		$this->theme->pool_info($linksPools);
	}



	/*
	 * HERE WE GET THE LIST OF POOLS
	 */
	private function list_pools(Page $page, $event) {
		global $config, $database;

		$pageNumber = int_escape($event->get_arg(1));
		if(is_null($pageNumber) || !is_numeric($pageNumber))
			$pageNumber = 0;
		else if ($pageNumber <= 0)
			$pageNumber = 0;
		else
			$pageNumber--;

		$poolsPerPage = $config->get_int("poolsListsPerPage");

		$pools = $database->get_all(
				"SELECT p.id, p.user_id, p.public, p.title, p.description, p.posts, u.name as user_name ".
				"FROM pools AS p ".
				"INNER JOIN users AS u ".
				"ON p.user_id = u.id ".
				"ORDER BY p.date DESC ".
				"LIMIT ?, ?"
				, array($pageNumber * $poolsPerPage, $poolsPerPage)
				);

		$totalPages = ceil($database->db->GetOne("SELECT COUNT(*) FROM pools") / $poolsPerPage);

		$this->theme->list_pools($page, $pools, $pageNumber + 1, $totalPages);
	}



	/*
	 * HERE WE CREATE A NEW POOL
	 */
	private function add_pool() {
		global $user, $database;

		$public = html_escape($_POST["public"]);
		$title = html_escape($_POST["title"]);
		$description = html_escape($_POST["description"]);

		if($public == "") {
			$public = "N";
		}

		$database->execute("
				INSERT INTO pools
				(user_id, public, title, description, date)
				VALUES
				(?, ?, ?, ?, now())",
				array($user->id, $public, $title, $description));

		$result = $database->get_row("SELECT LAST_INSERT_ID() AS poolID");

		log_info("pools", "Pool {$result["poolID"]} created by {$user->name}");

		return $result["poolID"];
	}

	private function get_pool($poolID) {
		global $database;
		$poolID = int_escape($poolID);
		return $database->get_all("SELECT * FROM pools WHERE id=?", array($poolID));
	}

	private function get_single_pool($poolID) {
		global $database;
		$poolID = int_escape($poolID);
		return $database->get_row("SELECT * FROM pools WHERE id=?", array($poolID));
	}

	/*
	 * HERE WE GET THE ID OF THE POOL FROM AN IMAGE
	 */
	private function get_pool_id($imageID) {
		global $database;
		$imageID = int_escape($imageID);
		return $database->get_all("SELECT pool_id FROM pool_images WHERE image_id=?", array($imageID));
	}



	/*
	 * HERE WE GET THE IMAGES FROM THE TAG ON IMPORT
	 */
	private function import_posts() {
		global $page, $config, $database;

		$pool_id = int_escape($_POST["pool_id"]);
		$pool_tag = html_escape($_POST["pool_tag"]);;

		$poolsMaxResults = $config->get_int("poolsMaxImportResults", 1000);

		$images = Image::find_images(0, $poolsMaxResults, Tag::explode($pool_tag));
		$this->theme->pool_result($page, $images, $pool_id);
	}



	/*
	 * HERE WE ADD CHECKED IMAGES FROM POOL AND UPDATE THE HISTORY
	 */
	private function add_posts() { //ADD CHECKED POSTS
		global $database;

		$poolID = int_escape($_POST['pool_id']);
		$images = "";

		foreach ($_POST['check'] as $imageID) {
			if(!$this->check_post($poolID, $imageID)) {
				$database->execute("
						INSERT INTO pool_images
						(pool_id, image_id)
						VALUES
						(?, ?)",
						array($poolID, $imageID));

				$images .= " ".$imageID;
			}
		}

		if(!strlen($images) == 0) {
			$count = $database->db->GetOne("SELECT COUNT(*) FROM pool_images WHERE pool_id=?", array($poolID));
			$this->add_history($poolID, 1, $images, $count);
		}

		$database->Execute("UPDATE pools SET posts=(SELECT COUNT(*) FROM pool_images WHERE pool_id=?) WHERE id=?", array($poolID, $poolID));
		return $poolID;	 
	}

	private function order_posts() { //ORDER POSTS
		global $database;

		$poolID = int_escape($_POST['pool_id']);

		foreach ($_POST['imgs'] as $data) {
			list ($imageORDER, $imageID) = $data;

			$imageID = int_escape($imageID);
			$database->Execute("UPDATE pool_images SET image_order=? WHERE pool_id=? AND image_id=?", array($imageORDER, $poolID, $imageID));
		}

		return $poolID;
	}



	/*
	 * HERE WE REMOVE CHECKED IMAGES FROM POOL AND UPDATE THE HISTORY
	 */
	private function remove_posts() {
		global $database;

		$poolID = int_escape($_POST['pool_id']);
		$images = "";

		foreach ($_POST['check'] as $imageID) {
			$database->execute("DELETE FROM pool_images WHERE pool_id=? AND image_id=?", array($poolID, $imageID));
			$images .= " ".$imageID;
		}

		$count = $database->db->GetOne("SELECT COUNT(*) FROM pool_images WHERE pool_id=?", array($poolID));
		$this->add_history($poolID, 0, $images, $count);
		return $poolID;	 
	}



	/*
	 * HERE WE CHECK IF THE POST IS ALREADY ON POOL
	 * USED IN add_posts()
	 */
	private function check_post($poolID, $imageID) {
		global $database;
		$result = $database->db->GetOne("SELECT COUNT(*) FROM pool_images WHERE pool_id=? AND image_id=?", array($poolID, $imageID));
		if($result == 0) {
			return FALSE;
		} else {
			return TRUE;
		}
	}



	/*
	 * HERE WE GET ALL IMAGES FOR THE POOL
	 */
	private function get_posts($event, $poolID) {
		global $config, $user, $database;

		$pageNumber = $event->get_arg(2);
		if(is_null($pageNumber) || !is_numeric($pageNumber))
			$pageNumber = 0;
		else if ($pageNumber <= 0)
			$pageNumber = 0;
		else
			$pageNumber--;

		$poolID = int_escape($poolID);

		$imagesPerPage = $config->get_int("poolsImagesPerPage");

		// WE CHECK IF THE EXTENSION RATING IS INSTALLED, WICH VERSION AND IF IT WORKS TO SHOW/HIDE SAFE, QUESTIONABLE, EXPLICIT AND UNRATED IMAGES FROM USER							 
		if($config->get_int("ext_ratings2_version") < 3) {
			$result = $database->get_all("SELECT image_id
					FROM pool_images
					WHERE pool_id=?
					ORDER BY image_order ASC
					LIMIT ?, ?",
					array($poolID, $pageNumber * $imagesPerPage, $imagesPerPage));
			$totalPages = ceil($database->db->GetOne("SELECT COUNT(*) FROM pool_images WHERE pool_id=?", array($poolID)) / $imagesPerPage);
		}

		if($config->get_int("ext_ratings2_version") >= 3) {
			if($user->is_anonymous()) {
				$sqes = $config->get_string("ext_rating_anon_privs");
			}
			else if($user->is_admin()) {
				$sqes = $config->get_string("ext_rating_admin_privs");
			}
			else {
				$sqes = $config->get_string("ext_rating_user_privs");
			}
			$arr = array();
			for($i=0; $i<strlen($sqes); $i++) {
				$arr[] = "'" . $sqes[$i] . "'";
			}
			$rating = join(', ', $arr);

			$result = $database->get_all("SELECT p.image_id
					FROM pool_images AS p
					INNER JOIN images AS i
					ON i.id = p.image_id
					WHERE p.pool_id = ?
					AND i.rating IN ($rating)
					ORDER BY p.image_order ASC
					LIMIT ?, ?",
					array($poolID, $pageNumber * $imagesPerPage, $imagesPerPage));

			$totalPages = ceil($database->db->GetOne("SELECT COUNT(*) ".
						"FROM pool_images AS p ".
						"INNER JOIN images AS i ".
						"ON i.id = p.image_id ".
						"WHERE pool_id=? ".
						"AND i.rating IN ($rating) "
						,array($poolID)) / $imagesPerPage);
		}

		$images = array();
		foreach ($result as $singleResult) {
			$image = Image::by_id($singleResult["image_id"]);
			$images[] = array($image);
		}

		$pool = $this->get_pool($poolID);
		$this->theme->view_pool($pool, $images, $pageNumber + 1, $totalPages);
	}


	/*
	 * WE GET THE ORDER OF THE IMAGES
	 */
	private function edit_posts($poolID) {
		global $database;
		$poolID = int_escape($poolID);

		$result = $database->Execute("SELECT image_id FROM pool_images WHERE pool_id=? ORDER BY image_order ASC", array($poolID));

		$images = array();
		while(!$result->EOF) {
			$image = Image::by_id($result->fields["image_id"]);
			$images[] = array($image);
			$result->MoveNext();
		}

		return $images;
	}



	/*
	 * WE GET THE ORDER OF THE IMAGES BUT HERE WE SEND KEYS ADDED IN ARRAY TO GET THE ORDER IN THE INPUT VALUE
	 */
	private function edit_order($poolID) {
		global $database;
		$poolID = int_escape($poolID);

		$result = $database->Execute("SELECT image_id FROM pool_images WHERE pool_id=? ORDER BY image_order ASC", array($poolID));									

		$images = array();
		while(!$result->EOF) {
			$image = $database->get_row("SELECT * FROM images AS i ".
					"INNER JOIN pool_images AS p ".
					"ON i.id = p.image_id ".
					"WHERE pool_id=? AND i.id=?"
					, array($poolID, $result->fields["image_id"]));
			$image = ($image ? new Image($image) : null);
			$images[] = array($image);
			$result->MoveNext();
		}
		//		Original code
		//		
		//		$images = array();
		//		while(!$result->EOF) {
		//			$image = Image::by_id($result->fields["image_id"]);
		//			$images[] = array($image);
		//			$result->MoveNext();
		//		}
		return $images;
	}



	/*
	 * HERE WE NUKE ENTIRE POOL. WE REMOVE POOLS AND POSTS FROM REMOVED POOL AND HISTORIES ENTRIES FROM REMOVED POOL
	 */
	private function nuke_pool($poolID) {
		global $user, $database;

		if($user->is_admin()) {
			$database->execute("DELETE FROM pool_history WHERE pool_id = ?", array($poolID));
			$database->execute("DELETE FROM pool_images WHERE pool_id = ?", array($poolID));
			$database->execute("DELETE FROM pools WHERE id = ?", array($poolID));
		} elseif(!$user->is_anonymous()) {
			// WE CHECK IF THE USER IS THE OWNER OF THE POOL IF NOT HE CAN'T DO ANYTHING
			$database->execute("DELETE FROM pool_history WHERE pool_id = ?", array($poolID));
			$database->execute("DELETE FROM pool_images WHERE pool_id = ?", array($poolID));
			$database->execute("DELETE FROM pools WHERE id = ? AND user_id = ?", array($poolID, $user->id));
		}
	}



	/*
	 * HERE WE ADD A HISTORY ENTRY
	 * FOR $action 1 (one) MEANS ADDED, 0 (zero) MEANS REMOVED
	 */
	private function add_history($poolID, $action, $images, $count) {
		global $user, $database;
		$user_id = $user->id;
		$database->execute("
				INSERT INTO pool_history
				(pool_id, user_id, action, images, count, date)
				VALUES
				(?, ?, ?, ?, ?, now())",
				array($poolID, $user_id, $action, $images, $count));

	}



	/*
	 * HERE WE GET THE HISTORY LIST
	 */
	private function get_history($event) {
		global $config, $database;

		$pageNumber = $event->get_arg(1);
		if(is_null($pageNumber) || !is_numeric($pageNumber))
			$pageNumber = 0;
		else if ($pageNumber <= 0)
			$pageNumber = 0;
		else
			$pageNumber--;


		$historiesPerPage = $config->get_int("poolsUpdatedPerPage");

		$history = $database->get_all(
				"SELECT h.id, h.pool_id, h.user_id, h.action, h.images, h.count, h.date, u.name as user_name, p.title as title ".
				"FROM pool_history AS h ".
				"INNER JOIN pools AS p ".
				"ON p.id = h.pool_id ".
				"INNER JOIN users AS u ".
				"ON h.user_id = u.id ".
				"ORDER BY h.date DESC ".
				"LIMIT ?, ?"
				, array($pageNumber * $historiesPerPage, $historiesPerPage));

		$totalPages = ceil($database->db->GetOne("SELECT COUNT(*) FROM pool_history") / $historiesPerPage);

		$this->theme->show_history($history, $pageNumber + 1, $totalPages);
	}



	/*
	 * HERE GO BACK IN HISTORY AND ADD OR REMOVE POSTS TO POOL
	 */
	private function revert_history($historyID) {
		global $database;
		$status = $database->get_all("SELECT * FROM pool_history WHERE id=?", array($historyID));

		foreach ($status as $entry) {
			$images = trim($entry['images']);
			$images = explode(" ", $images);
			$poolID = $entry['pool_id'];
			$imageArray = "";

			if ($entry['action'] == 0) {
				// READD ENTRIES
				foreach ($images as $image) {	
					$imageID = $image;		
					$this->add_post($poolID, $imageID);

					$imageArray .= " ".$imageID;
					$newAction = 1;
				}
			} elseif ($entry['action'] == 1) {
				// DELETE ENTRIES
				foreach ($images as $image) {
					$imageID = $image;		
					$this->delete_post($poolID, $imageID);

					$imageArray .= " ".$imageID;
					$newAction = 0;
				}
			}

			$count = $database->db->GetOne("SELECT COUNT(*) FROM pool_images WHERE pool_id=?", array($poolID));
			$this->add_history($poolID, $newAction, $imageArray, $count);
		}
	}



	/*
	 * HERE WE ADD A SIMPLE POST FROM POOL
	 * USED WITH FOREACH IN revert_history()
	 */
	private function add_post($poolID, $imageID) {
		global $database;

		if(!$this->check_post($poolID, $imageID)) {
			$database->execute("
					INSERT INTO pool_images
					(pool_id, image_id)
					VALUES
					(?, ?)",
					array($poolID, $imageID));
		}

		$database->execute("UPDATE pools SET posts=(SELECT COUNT(*) FROM pool_images WHERE pool_id=?) WHERE id=?", array($poolID, $poolID));
	}



	/*
	 * HERE WE REMOVE A SIMPLE POST FROM POOL
	 * USED WITH FOREACH IN revert_history()
	 */
	private function delete_post($poolID, $imageID) {
		global $database;

		$database->execute("DELETE FROM pool_images WHERE pool_id = ? AND image_id = ?", array($poolID, $imageID));
		$database->execute("UPDATE pools SET posts=(SELECT COUNT(*) FROM pool_images WHERE pool_id=?) WHERE id=?", array($poolID, $poolID));
	}

}
?>