dwing

annotate inc/comment.class.php @ 186:cfd4d1dcece4

find changesets by author, revision, files, or words in the commit message
theoretically support OpenID AX with both axschema and schema.openid.net, thank god that no provider has support for this yet somehow
author Arpad Borsos <arpad.borsos@googlemail.com>
date Thu Aug 05 12:04:49 2010 +0200 (21 months ago)
parents 2df784358c9f
children
rev   line source
arpad@0 1 <?php
arpad@0 2 /*
arpad@76 3 * dWing - a cms aimed to be as bleeding edge as possible
arpad@76 4 * Copyright (C) 2007-2008 Arpad Borsos <arpad.borsos@googlemail.com>
arpad@0 5 *
arpad@76 6 * This program is free software: you can redistribute it and/or modify
arpad@0 7 * it under the terms of the GNU General Public License as published by
arpad@76 8 * the Free Software Foundation, either version 3 of the License, or
arpad@76 9 * (at your option) any later version.
arpad@76 10 *
arpad@76 11 * This program is distributed in the hope that it will be useful,
arpad@76 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
arpad@76 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
arpad@76 14 * GNU General Public License for more details.
arpad@76 15 *
arpad@0 16 * You should have received a copy of the GNU General Public License
arpad@76 17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
arpad@0 18 */
arpad@110 19
arpad@110 20 /*
arpad@110 21 * Comment Object
arpad@110 22 */
arpad@174 23 class Comment extends ActiveItem implements ContentItem, ContentProvider
arpad@169 24 {
arpad@169 25 public static function ContentType()
arpad@169 26 {
arpad@169 27 return 4;
arpad@169 28 }
arpad@110 29
arpad@110 30 protected $tableName = 'comments';
arpad@110 31 protected $primaryKey = 'comment_id';
arpad@116 32 protected $definition = array('text' => 'html', 'user_id' => 'user',
arpad@121 33 'time' => 'time', 'content_id' => 'required', 'content_type' => 'required');
arpad@121 34
arpad@121 35 public function __construct($obj = null)
arpad@121 36 {
arpad@172 37 if(is_object($obj) && $obj instanceof ContentItem)
arpad@121 38 {
arpad@121 39 $this->data['content_id'] = $obj->id;
arpad@172 40 $this->data['content_type'] = $obj->ContentType();
arpad@121 41 }
arpad@121 42 parent::__construct($obj);
arpad@121 43 }
arpad@173 44
arpad@173 45 /**
arpad@173 46 * ContentProvider Interface
arpad@173 47 */
arpad@173 48 public static function addAllFor(ContentItem $aItem, $aItems, $aUseTransaction = false)
arpad@173 49 {
arpad@173 50 // this does not apply for Comment
arpad@173 51 return false;
arpad@173 52 }
arpad@173 53 public static function getAllFor(ContentItem $aItem)
arpad@173 54 {
arpad@173 55 return new CommentIterator($aItem);
arpad@173 56 }
arpad@173 57 public static function deleteAllFor(ContentItem $aItem, $aUseTransaction = false)
arpad@173 58 {
arpad@173 59 if($aUseTransaction)
arpad@175 60 Core::$db->beginTransaction();
arpad@173 61 $all = new CommentIterator($aItem);
arpad@173 62 $all->delete();
arpad@173 63 if($aUseTransaction)
arpad@173 64 Core::$db->commit();
arpad@173 65 return true;
arpad@173 66 }
arpad@110 67 }
arpad@110 68
arpad@110 69 /*
arpad@110 70 * Comment Iterator for a Content Item
arpad@110 71 */
arpad@110 72 class CommentIterator implements Iterator, Countable
arpad@110 73 {
arpad@110 74 protected $elements = null;
arpad@110 75 protected $position = 0;
arpad@110 76
arpad@110 77 protected $contentId;
arpad@110 78 protected $contentType;
arpad@110 79
arpad@110 80 private static $countStmt;
arpad@110 81 private static $selectStmt;
arpad@110 82
arpad@172 83 public function __construct(ContentItem $aItem)
arpad@110 84 {
arpad@110 85 if(empty(self::$selectStmt))
arpad@110 86 {
arpad@110 87 self::$selectStmt = Core::$db->prepare(
arpad@159 88 'SELECT comments.* FROM '.Core::$prefix.'comments AS comments
arpad@110 89 WHERE content_id=:contentId AND content_type=:contentType
arpad@110 90 ORDER BY time ASC;');
arpad@110 91 }
arpad@110 92 if(empty(self::$countStmt))
arpad@110 93 {
arpad@110 94 self::$countStmt = Core::$db->prepare('
arpad@159 95 SELECT COUNT(*) as commentnum FROM '.Core::$prefix.'comments
arpad@110 96 WHERE content_id=:contentId AND content_type=:contentType;');
arpad@110 97 }
arpad@172 98 $this->contentId = (int)$aItem->id;
arpad@172 99 $this->contentType = (int)$aItem->ContentType();
arpad@110 100 }
arpad@110 101 protected function lazyFetch()
arpad@110 102 {
arpad@110 103 if($this->elements != null)
arpad@110 104 return;
arpad@110 105 $statement = self::$selectStmt;
arpad@110 106 $statement->bindValue(':contentId', $this->contentId, PDO::PARAM_INT);
arpad@110 107 $statement->bindValue(':contentType', $this->contentType, PDO::PARAM_INT);
arpad@110 108 $statement->execute();
arpad@110 109 $statement->setFetchMode(PDO::FETCH_CLASS, 'Comment');
arpad@110 110 $this->elements = $statement->fetchAll();
arpad@110 111 }
arpad@128 112 public function delete()
arpad@128 113 {
arpad@128 114 $this->lazyFetch();
arpad@128 115 foreach($this->elements as $element)
arpad@128 116 {
arpad@128 117 // the CRUD object can delete all the associated subobjects
arpad@128 118 $element->delete();
arpad@128 119 }
arpad@128 120 return true;
arpad@128 121 }
arpad@110 122
arpad@110 123 // Countable Interface:
arpad@110 124 public function count()
arpad@110 125 {
arpad@110 126 $statement = self::$countStmt;
arpad@110 127 $statement->bindValue(':contentId', $this->contentId, PDO::PARAM_INT);
arpad@110 128 $statement->bindValue(':contentType', $this->contentType, PDO::PARAM_INT);
arpad@61 129 $statement->execute();
arpad@61 130 return $statement->fetchColumn();
arpad@110 131 }
arpad@110 132
arpad@110 133 // Iterator Interface:
arpad@110 134 public function current()
arpad@110 135 {
arpad@110 136 $this->lazyFetch();
arpad@110 137 return $this->elements[$this->position];
arpad@110 138 }
arpad@110 139 public function key()
arpad@110 140 {
arpad@110 141 $this->lazyFetch();
arpad@110 142 return $this->elements[$this->position]->id;
arpad@110 143 }
arpad@110 144 public function next()
arpad@110 145 {
arpad@110 146 ++$this->position;
arpad@110 147 }
arpad@110 148 public function rewind()
arpad@110 149 {
arpad@110 150 $this->position = 0;
arpad@110 151 }
arpad@110 152 public function valid()
arpad@110 153 {
arpad@110 154 $this->lazyFetch();
arpad@110 155 return isset($this->elements[$this->position]);
arpad@110 156 }
arpad@118 157 }
arpad@118 158
arpad@118 159 class CommentDispatcher extends REST
arpad@118 160 {
arpad@167 161 public static function doGET(RESTDispatcher $dispatcher)
arpad@122 162 {
arpad@122 163 $current = $dispatcher->current();
arpad@122 164 if(empty($current['id']))
arpad@122 165 throw new NotImplementedException(); // listing not implemented
arpad@122 166 $obj = new $current['resource']($current['id']);
arpad@122 167 $dispatcher->assignObject($obj);
arpad@122 168
arpad@122 169 $child = $dispatcher->next();
arpad@122 170 if(!$child)
arpad@122 171 return $obj;
arpad@122 172 else
arpad@122 173 return $dispatcher->dispatch();
arpad@122 174 }
arpad@167 175 public static function doPOST(RESTDispatcher $dispatcher)
arpad@118 176 {
arpad@118 177 $current = $dispatcher->current();
arpad@118 178 $child = $dispatcher->next();
arpad@122 179 if($child)
arpad@118 180 {
arpad@118 181 $obj = new Comment($current['id']);
arpad@122 182 $dispatcher->previous();
arpad@122 183 $dispatcher->assignObject($obj);
arpad@122 184 $dispatcher->next(); // assign the object to the right resource
arpad@122 185 return $dispatcher->dispatch();
arpad@118 186 }
arpad@121 187 $parent = $dispatcher->previous();
arpad@122 188 if(!$parent)
arpad@122 189 throw new NotImplementedException();
arpad@129 190 if(!Core::$user->authed)
arpad@129 191 throw new UnauthorizedException();
arpad@122 192
arpad@122 193 $obj = new Comment($parent['obj']); // so the Comment has info about the
arpad@122 194 // parent Id and ContentType
arpad@167 195 $obj->assignData($dispatcher->getJSON());
arpad@122 196 $obj->save();
arpad@125 197 $dispatcher->next(); // dispatcher has the right resource
arpad@122 198 return $obj;
arpad@118 199 }
arpad@167 200 public static function doPUT(RESTDispatcher $dispatcher)
arpad@134 201 {
arpad@134 202 // TODO: implement
arpad@134 203 throw new NotImplementedException();
arpad@134 204 }
arpad@167 205 public static function doDELETE(RESTDispatcher $dispatcher)
arpad@128 206 {
arpad@129 207 if(!($child = $dispatcher->next()))
arpad@129 208 if(!Core::$user->hasRight('news'))
arpad@129 209 throw new UnauthorizedException();
arpad@129 210 else
arpad@129 211 $dispatcher->previous();
arpad@128 212 return parent::DELETE($dispatcher);
arpad@128 213 }
arpad@0 214 }
arpad@106 215 ?>