<?php
/**
* Name: Pools System
* Author: Sein Kraft <mail@seinkraft.info>, jgen <jgen.tech@gmail.com>, Daku <admin@codeanimu.net>
* License: GPLv2
* Description: Allow users to create groups of images and order them.
* Documentation: This extension allows users to created named groups of
* images, and order the images within the group.
* Useful for related images like in a comic, etc.
*/
/**
* This class is just a wrapper around SCoreException.
*/
class PoolCreationException extends SCoreException
{
/** @var string */
public $error;
public function __construct(string $error)
{
$this->error = $error;
}
}
class Pools extends Extension
{
public function onInitExt(InitExtEvent $event)
{
global $config, $database;
// Set the defaults for the pools extension
$config->set_default_int("poolsMaxImportResults", 1000);
$config->set_default_int("poolsImagesPerPage", 20);
$config->set_default_int("poolsListsPerPage", 20);
$config->set_default_int("poolsUpdatedPerPage", 20);
$config->set_default_bool("poolsInfoOnViewImage", false);
$config->set_default_bool("poolsAdderOnViewImage", false);
$config->set_default_bool("poolsShowNavLinks", false);
$config->set_default_bool("poolsAutoIncrementOrder", false);
// Create the database tables
if ($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 SCORE_DATETIME NOT NULL,
posts INTEGER NOT NULL DEFAULT 0,
FOREIGN KEY (user_id) REFERENCES users(id) ON UPDATE CASCADE ON DELETE CASCADE
");
$database->create_table("pool_images", "
pool_id INTEGER NOT NULL,
image_id INTEGER NOT NULL,
image_order INTEGER NOT NULL DEFAULT 0,
FOREIGN KEY (pool_id) REFERENCES pools(id) ON UPDATE CASCADE ON DELETE CASCADE,
FOREIGN KEY (image_id) REFERENCES images(id) ON UPDATE CASCADE ON DELETE CASCADE
");
$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 SCORE_DATETIME NOT NULL,
FOREIGN KEY (pool_id) REFERENCES pools(id) ON UPDATE CASCADE ON DELETE CASCADE,
FOREIGN KEY (user_id) REFERENCES users(id) ON UPDATE CASCADE ON DELETE CASCADE
");
$config->set_int("ext_pools_version", 3);
log_info("pools", "extension installed");
}
if ($config->get_int("ext_pools_version") < 2) {
$database->Execute("ALTER TABLE pools ADD UNIQUE INDEX (title);");
$database->Execute("ALTER TABLE pools ADD lastupdated TIMESTAMP NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP;");
$config->set_int("ext_pools_version", 3); // skip 2
}
}
// Add a block to the Board Config / Setup
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: ");
$sb->add_bool_option("poolsShowNavLinks", "<br>Show 'Prev' & 'Next' links when viewing pool images: ");
$sb->add_bool_option("poolsAutoIncrementOrder", "<br>Autoincrement order when post is added to pool:");
//$sb->add_bool_option("poolsAdderOnViewImage", "<br>Show pool adder on image: ");
$event->panel->add_block($sb);
}
public function onPageRequest(PageRequestEvent $event)
{
global $page, $user;
if ($event->page_matches("pool")) {
$pool_id = 0;
$pool = [];
// Check if we have pool id, since this is most often the case.
if (isset($_POST["pool_id"])) {
$pool_id = int_escape($_POST["pool_id"]);
$pool = $this->get_single_pool($pool_id);
}
// What action are we trying to perform?
switch ($event->get_arg(0)) {
case "list": //index
$this->list_pools($page, int_escape($event->get_arg(1)));
break;
case "new": // Show form for new pools
if (!$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(401, "Error", $errMessage);
}
break;
case "create": // ADD _POST
try {
$newPoolID = $this->add_pool();
$page->set_mode("redirect");
$page->set_redirect(make_link("pool/view/".$newPoolID));
} catch (PoolCreationException $e) {
$this->theme->display_error(400, "Error", $e->error);
}
break;
case "view":
$poolID = int_escape($event->get_arg(1));
$this->get_posts($event, $poolID);
break;
case "updated":
$this->get_history(int_escape($event->get_arg(1)));
break;
case "revert":
if (!$user->is_anonymous()) {
$historyID = int_escape($event->get_arg(1));
$this->revert_history($historyID);
$page->set_mode("redirect");
$page->set_redirect(make_link("pool/updated"));
}
break;
case "edit": // Edit the pool (remove images)
if ($this->have_permission($user, $pool)) {
$this->theme->edit_pool($page, $this->get_pool($pool_id), $this->edit_posts($pool_id));
} else {
$page->set_mode("redirect");
$page->set_redirect(make_link("pool/view/".$pool_id));
}
break;
case "order": // Order the pool (view and change the order of images within the pool)
if (isset($_POST["order_view"])) {
if ($this->have_permission($user, $pool)) {
$this->theme->edit_order($page, $this->get_pool($pool_id), $this->edit_order($pool_id));
} else {
$page->set_mode("redirect");
$page->set_redirect(make_link("pool/view/".$pool_id));
}
} else {
if ($this->have_permission($user, $pool)) {
$this->order_posts();
$page->set_mode("redirect");
$page->set_redirect(make_link("pool/view/".$pool_id));
} else {
$this->theme->display_error(403, "Permission Denied", "You do not have permission to access this page");
}
}
break;
case "import":
if ($this->have_permission($user, $pool)) {
$this->import_posts($pool_id);
} else {
$this->theme->display_error(403, "Permission Denied", "You do not have permission to access this page");
}
break;
case "add_posts":
if ($this->have_permission($user, $pool)) {
$this->add_posts();
$page->set_mode("redirect");
$page->set_redirect(make_link("pool/view/".$pool_id));
} else {
$this->theme->display_error(403, "Permission Denied", "You do not have permission to access this page");
}
break;
case "remove_posts":
if ($this->have_permission($user, $pool)) {
$this->remove_posts();
$page->set_mode("redirect");
$page->set_redirect(make_link("pool/view/".$pool_id));
} else {
$this->theme->display_error(403, "Permission Denied", "You do not have permission to access this page");
}
break;
case "edit_description":
if ($this->have_permission($user, $pool)) {
$this->edit_description();
$page->set_mode("redirect");
$page->set_redirect(make_link("pool/view/".$pool_id));
} else {
$this->theme->display_error(403, "Permission Denied", "You do not have permission to access this page");
}
break;
case "nuke":
// Completely remove the given pool.
// -> Only admins and owners may do this
if ($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(403, "Permission Denied", "You do not have permission to access this page");
}
break;
default:
$page->set_mode("redirect");
$page->set_redirect(make_link("pool/list"));
break;
}
}
}
public function onUserBlockBuilding(UserBlockBuildingEvent $event)
{
$event->add_link("Pools", make_link("pool/list"));
}
/**
* When displaying an image, optionally list all the pools that the
* image is currently a member of on a side panel, as well as a link
* to the Next image in the pool.
*
* @var DisplayingImageEvent $event
*/
public function onDisplayingImage(DisplayingImageEvent $event)
{
global $config;
if ($config->get_bool("poolsInfoOnViewImage")) {
$imageID = $event->image->id;
$poolsIDs = $this->get_pool_ids($imageID);
$show_nav = $config->get_bool("poolsShowNavLinks", false);
$navInfo = [];
foreach ($poolsIDs as $poolID) {
$pool = $this->get_single_pool($poolID);
$navInfo[$pool['id']] = [];
$navInfo[$pool['id']]['info'] = $pool;
// Optionally show a link the Prev/Next image in the Pool.
if ($show_nav) {
$navInfo[$pool['id']]['nav'] = $this->get_nav_posts($pool, $imageID);
}
}
$this->theme->pool_info($navInfo);
}
}
public function onImageAdminBlockBuilding(ImageAdminBlockBuildingEvent $event)
{
global $config, $database, $user;
if ($config->get_bool("poolsAdderOnViewImage") && !$user->is_anonymous()) {
if ($user->is_admin()) {
$pools = $database->get_all("SELECT * FROM pools");
} else {
$pools = $database->get_all("SELECT * FROM pools WHERE user_id=:id", ["id"=>$user->id]);
}
if (count($pools) > 0) {
$event->add_part($this->theme->get_adder_html($event->image, $pools));
}
}
}
public function onSearchTermParse(SearchTermParseEvent $event)
{
$matches = [];
if (preg_match("/^pool[=|:]([0-9]+|any|none)$/i", $event->term, $matches)) {
$poolID = $matches[1];
if (preg_match("/^(any|none)$/", $poolID)) {
$not = ($poolID == "none" ? "NOT" : "");
$event->add_querylet(new Querylet("images.id $not IN (SELECT DISTINCT image_id FROM pool_images)"));
} else {
$event->add_querylet(new Querylet("images.id IN (SELECT DISTINCT image_id FROM pool_images WHERE pool_id = $poolID)"));
}
} elseif (preg_match("/^pool_by_name[=|:](.*)$/i", $event->term, $matches)) {
$poolTitle = str_replace("_", " ", $matches[1]);
$pool = $this->get_single_pool_from_title($poolTitle);
$poolID = 0;
if ($pool) {
$poolID = $pool['id'];
}
$event->add_querylet(new Querylet("images.id IN (SELECT DISTINCT image_id FROM pool_images WHERE pool_id = $poolID)"));
}
}
public function onTagTermParse(TagTermParseEvent $event)
{
$matches = [];
if (preg_match("/^pool[=|:]([^:]*|lastcreated):?([0-9]*)$/i", $event->term, $matches)) {
global $user;
$poolTag = (string) str_replace("_", " ", $matches[1]);
$pool = null;
if ($poolTag == 'lastcreated') {
$pool = $this->get_last_userpool($user->id);
} elseif (ctype_digit($poolTag)) { //If only digits, assume PoolID
$pool = $this->get_single_pool($poolTag);
} else { //assume PoolTitle
$pool = $this->get_single_pool_from_title($poolTag);
}
if ($pool ? $this->have_permission($user, $pool) : false) {
$image_order = ($matches[2] ?: 0);
$this->add_post($pool['id'], $event->id, true, $image_order);
}
}
if (!empty($matches)) {
$event->metatag = true;
}
}
/* ------------------------------------------------- */
/* -------------- Private Functions -------------- */
/* ------------------------------------------------- */
/**
* Check if the given user has permission to edit/change the pool.
*
* TODO: Should the user variable be global?
*/
private function have_permission(User $user, array $pool): bool
{
// If the pool is public and user is logged OR if the user is admin OR if the pool is owned by the user.
if ((($pool['public'] == "Y" || $pool['public'] == "y") && !$user->is_anonymous()) || $user->is_admin() || $user->id == $pool['user_id']) {
return true;
} else {
return false;
}
}
/**
* HERE WE GET THE LIST OF POOLS.
*/
private function list_pools(Page $page, int $pageNumber)
{
global $config, $database;
$pageNumber = clamp($pageNumber, 1, null) - 1;
$poolsPerPage = $config->get_int("poolsListsPerPage");
$order_by = "";
$order = $page->get_cookie("ui-order-pool");
if ($order == "created" || is_null($order)) {
$order_by = "ORDER BY p.date DESC";
} elseif ($order == "updated") {
$order_by = "ORDER BY p.lastupdated DESC";
} elseif ($order == "name") {
$order_by = "ORDER BY p.title ASC";
} elseif ($order == "count") {
$order_by = "ORDER BY p.posts DESC";
}
$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
$order_by
LIMIT :l OFFSET :o
", ["l"=>$poolsPerPage, "o"=>$pageNumber * $poolsPerPage]);
$totalPages = ceil($database->get_one("SELECT COUNT(*) FROM pools") / $poolsPerPage);
$this->theme->list_pools($page, $pools, $pageNumber + 1, $totalPages);
}
/**
* HERE WE CREATE A NEW POOL
*/
private function add_pool(): int
{
global $user, $database;
if ($user->is_anonymous()) {
throw new PoolCreationException("You must be registered and logged in to add a image.");
}
if (empty($_POST["title"])) {
throw new PoolCreationException("Pool title is empty.");
}
if ($this->get_single_pool_from_title($_POST["title"])) {
throw new PoolCreationException("A pool using this title already exists.");
}
$public = $_POST["public"] === "Y" ? "Y" : "N";
$database->execute(
"
INSERT INTO pools (user_id, public, title, description, date)
VALUES (:uid, :public, :title, :desc, now())",
["uid"=>$user->id, "public"=>$public, "title"=>$_POST["title"], "desc"=>$_POST["description"]]
);
$poolID = $database->get_last_insert_id('pools_id_seq');
log_info("pools", "Pool {$poolID} created by {$user->name}");
return $poolID;
}
/**
* Retrieve information about pools given multiple pool IDs.
*
* TODO: What is the difference between this and get_single_pool() other than the db query?
*/
private function get_pool(int $poolID): array
{
global $database;
return $database->get_all("SELECT * FROM pools WHERE id=:id", ["id"=>$poolID]);
}
/**
* Retrieve information about a pool given a pool ID.
*/
private function get_single_pool(int $poolID): array
{
global $database;
return $database->get_row("SELECT * FROM pools WHERE id=:id", ["id"=>$poolID]);
}
/**
* Retrieve information about a pool given a pool title.
*/
private function get_single_pool_from_title(string $poolTitle): array
{
global $database;
return $database->get_row("SELECT * FROM pools WHERE title=:title", ["title"=>$poolTitle]);
}
/**
* Get all of the pool IDs that an image is in, given an image ID.
* #return int[]
*/
private function get_pool_ids(int $imageID): array
{
global $database;
return $database->get_col("SELECT pool_id FROM pool_images WHERE image_id=:iid", ["iid"=>$imageID]);
}
/**
* Retrieve information about the last pool the given userID created
*/
private function get_last_userpool(int $userID): array
{
global $database;
return $database->get_row("SELECT * FROM pools WHERE user_id=:uid ORDER BY id DESC", ["uid"=>$userID]);
}
/**
* HERE WE GET THE IMAGES FROM THE TAG ON IMPORT
*/
private function import_posts(int $pool_id)
{
global $page, $config;
$poolsMaxResults = $config->get_int("poolsMaxImportResults", 1000);
$images = $images = Image::find_images(0, $poolsMaxResults, Tag::explode($_POST["pool_tag"]));
$this->theme->pool_result($page, $images, $this->get_pool($pool_id));
}
/**
* HERE WE ADD CHECKED IMAGES FROM POOL AND UPDATE THE HISTORY
*
* TODO: Fix this so that the pool ID and images are passed as Arguments to the function.
*/
private function add_posts(): int
{
global $database;
$poolID = int_escape($_POST['pool_id']);
$images = "";
foreach ($_POST['check'] as $imageID) {
if (!$this->check_post($poolID, $imageID)) {
$database->execute(
"
INSERT INTO pool_images (pool_id, image_id)
VALUES (:pid, :iid)",
["pid"=>$poolID, "iid"=>$imageID]
);
$images .= " ".$imageID;
}
}
if (!strlen($images) == 0) {
$count = int_escape($database->get_one("SELECT COUNT(*) FROM pool_images WHERE pool_id=:pid", ["pid"=>$poolID]));
$this->add_history($poolID, 1, $images, $count);
}
$database->Execute(
"
UPDATE pools
SET posts=(SELECT COUNT(*) FROM pool_images WHERE pool_id=:pid)
WHERE id=:pid",
["pid"=>$poolID]
);
return $poolID;
}
/**
* TODO: Fix this so that the pool ID and images are passed as Arguments to the function.
*/
private function order_posts(): int
{
global $database;
$poolID = int_escape($_POST['pool_id']);
foreach ($_POST['imgs'] as $data) {
list($imageORDER, $imageID) = $data;
$database->Execute(
"
UPDATE pool_images
SET image_order = :ord
WHERE pool_id = :pid AND image_id = :iid",
["ord"=>$imageORDER, "pid"=>$poolID, "iid"=>$imageID]
);
}
return $poolID;
}
/**
* HERE WE REMOVE CHECKED IMAGES FROM POOL AND UPDATE THE HISTORY
*
* TODO: Fix this so that the pool ID and images are passed as Arguments to the function.
*/
private function remove_posts(): int
{
global $database;
$poolID = int_escape($_POST['pool_id']);
$images = "";
foreach ($_POST['check'] as $imageID) {
$database->execute("DELETE FROM pool_images WHERE pool_id = :pid AND image_id = :iid", ["pid"=>$poolID, "iid"=>$imageID]);
$images .= " ".$imageID;
}
$count = $database->get_one("SELECT COUNT(*) FROM pool_images WHERE pool_id=:pid", ["pid"=>$poolID]);
$this->add_history($poolID, 0, $images, $count);
return $poolID;
}
/**
* Allows editing of pool description.
*/
private function edit_description(): int
{
global $database;
$poolID = int_escape($_POST['pool_id']);
$database->execute("UPDATE pools SET description=:dsc WHERE id=:pid", ["dsc"=>$_POST['description'], "pid"=>$poolID]);
return $poolID;
}
/**
* This function checks if a given image is contained within a given pool.
* Used by add_posts()
*/
private function check_post(int $poolID, int $imageID): bool
{
global $database;
$result = $database->get_one("SELECT COUNT(*) FROM pool_images WHERE pool_id=:pid AND image_id=:iid", ["pid"=>$poolID, "iid"=>$imageID]);
return ($result != 0);
}
/**
* Gets the previous and next successive images from a pool, given a pool ID and an image ID.
*
* #return int[] Array returning two elements (prev, next) in 1 dimension. Each returns ImageID or NULL if none.
*/
private function get_nav_posts(array $pool, int $imageID): array
{
global $database;
if (empty($pool) || empty($imageID)) {
return null;
}
$result = $database->get_row(
"
SELECT (
SELECT image_id
FROM pool_images
WHERE pool_id = :pid
AND image_order < (
SELECT image_order
FROM pool_images
WHERE pool_id = :pid
AND image_id = :iid
LIMIT 1
)
ORDER BY image_order DESC LIMIT 1
) AS prev,
(
SELECT image_id
FROM pool_images
WHERE pool_id = :pid
AND image_order > (
SELECT image_order
FROM pool_images
WHERE pool_id = :pid
AND image_id = :iid
LIMIT 1
)
ORDER BY image_order ASC LIMIT 1
) AS next
LIMIT 1",
["pid"=>$pool['id'], "iid"=>$imageID]
);
if (empty($result)) {
// assume that we are at the end of the pool
return null;
} else {
return $result;
}
}
/**
* Retrieve all the images in a pool, given a pool ID.
*/
private function get_posts(PageRequestEvent $event, int $poolID)
{
global $config, $user, $database;
$pageNumber = int_escape($event->get_arg(2));
if (is_null($pageNumber) || !is_numeric($pageNumber)) {
$pageNumber = 0;
} elseif ($pageNumber <= 0) {
$pageNumber = 0;
} else {
$pageNumber--;
}
$poolID = int_escape($poolID);
$pool = $this->get_pool($poolID);
$imagesPerPage = $config->get_int("poolsImagesPerPage");
// WE CHECK IF THE EXTENSION RATING IS INSTALLED, WHICH VERSION AND IF IT
// WORKS TO SHOW/HIDE SAFE, QUESTIONABLE, EXPLICIT AND UNRATED IMAGES FROM USER
if (ext_is_live("Ratings")) {
$rating = Ratings::privs_to_sql(Ratings::get_user_privs($user));
}
if (isset($rating) && !empty($rating)) {
$result = $database->get_all(
"
SELECT p.image_id
FROM pool_images AS p
INNER JOIN images AS i ON i.id = p.image_id
WHERE p.pool_id = :pid AND i.rating IN ($rating)
ORDER BY p.image_order ASC
LIMIT :l OFFSET :o",
["pid"=>$poolID, "l"=>$imagesPerPage, "o"=>$pageNumber * $imagesPerPage]
);
$totalPages = ceil($database->get_one(
"
SELECT COUNT(*)
FROM pool_images AS p
INNER JOIN images AS i ON i.id = p.image_id
WHERE pool_id=:pid AND i.rating IN ($rating)",
["pid"=>$poolID]
) / $imagesPerPage);
} else {
$result = $database->get_all(
"
SELECT image_id
FROM pool_images
WHERE pool_id=:pid
ORDER BY image_order ASC
LIMIT :l OFFSET :o",
["pid"=>$poolID, "l"=>$imagesPerPage, "o"=>$pageNumber * $imagesPerPage]
);
$totalPages = ceil($database->get_one("SELECT COUNT(*) FROM pool_images WHERE pool_id=:pid", ["pid"=>$poolID]) / $imagesPerPage);
}
$images = [];
foreach ($result as $singleResult) {
$images[] = Image::by_id($singleResult["image_id"]);
}
$this->theme->view_pool($pool, $images, $pageNumber + 1, $totalPages);
}
/**
* This function gets the current order of images from a given pool.
* #return Image[] Array of image objects.
*/
private function edit_posts(int $poolID): array
{
global $database;
$result = $database->Execute("SELECT image_id FROM pool_images WHERE pool_id=:pid ORDER BY image_order ASC", ["pid"=>$poolID]);
$images = [];
while ($row = $result->fetch()) {
$image = Image::by_id($row["image_id"]);
$images[] = [$image];
}
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.
*
* #return Image[]
*/
private function edit_order(int $poolID): array
{
global $database;
$result = $database->Execute("SELECT image_id FROM pool_images WHERE pool_id=:pid ORDER BY image_order ASC", ["pid"=>$poolID]);
$images = [];
while ($row = $result->fetch()) {
$image = $database->get_row(
"
SELECT * FROM images AS i
INNER JOIN pool_images AS p ON i.id = p.image_id
WHERE pool_id=:pid AND i.id=:iid",
["pid"=>$poolID, "iid"=>$row['image_id']]
);
$image = ($image ? new Image($image) : null);
$images[] = [$image];
}
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(int $poolID)
{
global $user, $database;
$p_id = $database->get_one("SELECT user_id FROM pools WHERE id = :pid", ["pid"=>$poolID]);
if ($user->is_admin()) {
$database->execute("DELETE FROM pool_history WHERE pool_id = :pid", ["pid"=>$poolID]);
$database->execute("DELETE FROM pool_images WHERE pool_id = :pid", ["pid"=>$poolID]);
$database->execute("DELETE FROM pools WHERE id = :pid", ["pid"=>$poolID]);
} elseif ($user->id == $p_id) {
$database->execute("DELETE FROM pool_history WHERE pool_id = :pid", ["pid"=>$poolID]);
$database->execute("DELETE FROM pool_images WHERE pool_id = :pid", ["pid"=>$poolID]);
$database->execute("DELETE FROM pools WHERE id = :pid AND user_id = :uid", ["pid"=>$poolID, "uid"=>$user->id]);
}
}
/**
* HERE WE ADD A HISTORY ENTRY.
*
* $action Action=1 (one) MEANS ADDED, Action=0 (zero) MEANS REMOVED
*/
private function add_history(int $poolID, int $action, string $images, int $count)
{
global $user, $database;
$database->execute(
"
INSERT INTO pool_history (pool_id, user_id, action, images, count, date)
VALUES (:pid, :uid, :act, :img, :count, now())",
["pid"=>$poolID, "uid"=>$user->id, "act"=>$action, "img"=>$images, "count"=>$count]
);
}
/**
* HERE WE GET THE HISTORY LIST.
*/
private function get_history(int $pageNumber)
{
global $config, $database;
if (is_null($pageNumber) || !is_numeric($pageNumber)) {
$pageNumber = 0;
} elseif ($pageNumber <= 0) {
$pageNumber = 0;
} else {
$pageNumber--;
}
$historiesPerPage = $config->get_int("poolsUpdatedPerPage");
$history = $database->get_all("
SELECT h.id, h.pool_id, h.user_id, h.action, h.images,
h.count, h.date, u.name as user_name, p.title as title
FROM pool_history AS h
INNER JOIN pools AS p
ON p.id = h.pool_id
INNER JOIN users AS u
ON h.user_id = u.id
ORDER BY h.date DESC
LIMIT :l OFFSET :o
", ["l"=>$historiesPerPage, "o"=>$pageNumber * $historiesPerPage]);
$totalPages = ceil($database->get_one("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(int $historyID)
{
global $database;
$status = $database->get_all("SELECT * FROM pool_history WHERE id=:hid", ["hid"=>$historyID]);
foreach ($status as $entry) {
$images = trim($entry['images']);
$images = explode(" ", $images);
$poolID = $entry['pool_id'];
$imageArray = "";
$newAction = -1;
if ($entry['action'] == 0) {
// READ 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;
}
} else {
// FIXME: should this throw an exception instead?
log_error("pools", "Invalid history action.");
continue; // go on to the next one.
}
$count = $database->get_one("SELECT COUNT(*) FROM pool_images WHERE pool_id=:pid", ["pid"=>$poolID]);
$this->add_history($poolID, $newAction, $imageArray, $count);
}
}
/**
* HERE WE ADD A SIMPLE POST FROM POOL.
* USED WITH FOREACH IN revert_history() & onTagTermParse().
*/
private function add_post(int $poolID, int $imageID, bool $history=false, int $imageOrder=0)
{
global $database, $config;
if (!$this->check_post($poolID, $imageID)) {
if ($config->get_bool("poolsAutoIncrementOrder") && $imageOrder === 0) {
$imageOrder = $database->get_one(
"
SELECT CASE WHEN image_order IS NOT NULL THEN MAX(image_order) + 1 ELSE 0 END
FROM pool_images
WHERE pool_id = :pid",
["pid"=>$poolID]
);
}
$database->execute(
"
INSERT INTO pool_images (pool_id, image_id, image_order)
VALUES (:pid, :iid, :ord)",
["pid"=>$poolID, "iid"=>$imageID, "ord"=>$imageOrder]
);
}
$database->execute("UPDATE pools SET posts=(SELECT COUNT(*) FROM pool_images WHERE pool_id=:pid) WHERE id=:pid", ["pid"=>$poolID]);
if ($history) {
$count = $database->get_one("SELECT COUNT(*) FROM pool_images WHERE pool_id=:pid", ["pid"=>$poolID]);
$this->add_history($poolID, 1, $imageID, $count);
}
}
/**
* HERE WE REMOVE A SIMPLE POST FROM POOL.
* USED WITH FOREACH IN revert_history() & onTagTermParse().
*/
private function delete_post(int $poolID, int $imageID, bool $history=false)
{
global $database;
$database->execute("DELETE FROM pool_images WHERE pool_id = :pid AND image_id = :iid", ["pid"=>$poolID, "iid"=>$imageID]);
$database->execute("UPDATE pools SET posts=(SELECT COUNT(*) FROM pool_images WHERE pool_id=:pid) WHERE id=:pid", ["pid"=>$poolID]);
if ($history) {
$count = $database->get_one("SELECT COUNT(*) FROM pool_images WHERE pool_id=:pid", ["pid"=>$poolID]);
$this->add_history($poolID, 0, $imageID, $count);
}
}
}