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<?php
/**
* A class corresponding to the comments table.
*
* This file is part of Zoph.
*
* Zoph is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Zoph is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with Zoph; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* @package Zoph
* @author Jason Geiger
* @author Jeroen Roos
*/
use db\clause;
use db\insert;
use db\param;
use db\select;
use template\actionlink;
use template\block;
use zophCode\parser as zophCodeParser;
/**
* A class corresponding to the comments table.
*
* @package Zoph
* @author Jason Geiger
* @author Jeroen Roos
*/
class comment extends zophTable {
/** @var string The name of the database table */
protected static $tableName="comments";
/** @var array List of primary keys */
protected static $primaryKeys=array("comment_id");
/** @var array Fields that may not be empty */
protected static $notNull=array("subject");
/** @var bool keep keys with insert. In most cases the keys are set by the
db with auto_increment */
protected static $keepKeys = false;
/** @var string URL for this class */
protected static $url="comment?comment_id=";
/**
* Display comment
*/
public function __toString() {
return (string) $this->toHTML(true);
}
/**
* Insert a new comment into the db
*/
public function insert() {
$this->set("comment_date", "now()");
parent::insert();
$this->lookup();
}
/**
* Update existing comment in the db
*/
public function update() {
$this->set("timestamp", "now()");
parent::update();
$this->lookup();
}
/**
* Delete a comment from the db
*/
public function delete() {
if (!$this->getId()) {
return;
}
parent::delete(array("photo_comments"));
}
/**
* Get array to display comment data
* @return array display array
*/
public function getDisplayArray() {
$user=user::getCurrent();
$date=$this->get("comment_date");
$changed=$this->get("timestamp");
$zophcode = new zophCodeParser($this->get("comment"), array("b", "i", "u"));
$comment="<div>" . $zophcode . "</div>";
return array(
translate("subject") => $this->get("subject"),
translate("date") => $date,
translate("user") => $this->getUserLink(),
translate("IP address") => $user->isAdmin() ? $this->get("ipaddr") : "<i>" .
translate("only visible for admin users") . "</i>",
translate("comment") => $comment,
translate("updated") => $changed
);
}
/**
* Lookup user that created this comment and return a link
*/
private function getUserLink() {
$user = new user($this->get("user_id"));
$user->lookup();
$user->lookupPerson();
return $user->getLink() . " (" . $user->person->getLink() . ")";
}
/**
* Get the photo that this comment belongs to
*/
public function getPhoto() {
if (!$this->getId()) {
return;
}
$qry=new select(array("pcom" => "photo_comments"));
$qry->addFields(array("photo_id"));
$qry->where(new clause("comment_id=:commentId"));
$qry->addParam(new param(":commentId", (int) $this->getId(), PDO::PARAM_INT));
$qry->addLimit(1);
$result=photo::getRecordsFromQuery($qry);
if (isset($result[0])) {
$result[0]->lookup();
return $result[0];
} else {
return null;
}
}
/**
* Add this comment to a photo
* @param photo photo to add comment to
*/
public function addToPhoto(photo $photo) {
$qry=new insert(array("photo_comments"));
$qry->addParams(array(
new param(":photo_id", (int) $photo->getId(), PDO::PARAM_INT),
new param(":comment_id", (int) $this->getId(), PDO::PARAM_INT)
));
$qry->execute();
}
/**
* Return whether the given user is the owner (creator) of this comment
* @param user User to check
* @return bool true: user is owner, false: user is not owner
*/
public function isOwner(user $user) {
return ($user->getId()==$this->get("user_id"));
}
/**
* Display this comment
* @param bool Display a thumbnail of the photo this comment belongs to
* @return block Template block
*/
public function toHTML($thumbnail=false) {
$user=user::getCurrent();
$this->lookup();
$photo=$this->getPhoto();
$tplData=array(
"subject" => $this->get("subject"),
"commentdate" => $this->get("comment_date"),
"userlink" => $this->getUserLink(),
"zophcode" => new zophCodeParser($this->get("comment"), array("b", "i", "u")),
"actionlinks" => null
);
if (($user->isAdmin() || $this->isOwner($user)) && $user->canLeaveComments()) {
$commentId = array("comment_id" => $this->getId());
$tplData["actionlinks"]=array(
new actionlink("display", "comment", $commentId),
new actionlink("edit", "comment/edit", $commentId),
new actionlink("delete", "comment/delete", $commentId)
);
}
if ($thumbnail) {
$tplData["thumbnail"]=$photo->getThumbnailLink();
}
return new block("comment", $tplData);
}
public function getName() {
return $this->get("subject");
}
}
?>
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