コード例 #1
0
ファイル: Page.php プロジェクト: jbzdak/wikidot
 public function save($args)
 {
     $db = Database::connection();
     $db->begin();
     // simple argument checking
     if (!isset($args['page'])) {
         throw new Wikidot_Facade_Exception_WrongArguments("Page argument must be passed");
     }
     $pm = new WDPermissionManager();
     $now = new ODate();
     // page (existant or not) name
     $arg_page = WDStringUtils::toUnixName($args['page']);
     // parse the rest (beside page name)
     unset($args['page']);
     $this->parseArgs($args, array("performer", "site"));
     try {
         // parse page name to figure out if it points to an existant page
         $page = $this->_parsePage($this->site, $arg_page);
         $new = false;
         // check permissions to edit the page
         $pm->hasPagePermission('edit', $this->performer, $page->getCategory(), $page);
     } catch (Wikidot_Facade_Exception_WrongArguments $e) {
         if ($this->source === null) {
             $this->source = "";
         }
         if ($this->title === null) {
             $this->title = $arg_page;
         }
         $new = true;
         $category_name = preg_replace('/^([^:]*):.*$/', '\\1', $arg_page);
         if ($category_name == $arg_page) {
             $category_name = '_default';
         }
         $category = $this->_getOrCreateCategory($this->site, $category_name);
         $page = new DB_Page();
         $page->setSiteId($this->site->getSiteId());
         $page->setCategoryId($category->getCategoryId());
         $page->setUnixName($arg_page);
         $page->setDateCreated(new ODate());
         $page->setOwnerUserId($this->performer->getUserId());
         $page->save();
         $compiled = new DB_PageCompiled();
         $compiled->setPageId($page->getPageId());
         $compiled->save();
     }
     // get current revision and metadata
     if (!$new) {
         $cur_rev = $page->getCurrentRevision();
         $cur_meta = $cur_rev->getMetadata();
     }
     // construct new metadata
     if ($new) {
         $new_meta = new DB_PageMetadata();
         $new_meta->setUnixName($arg_page);
         $new_meta->setOwnerUserId($this->performer->getUserId());
     } else {
         $new_meta = clone $cur_meta;
         $new_meta->setNew(true);
         $new_meta->setMetadataId(null);
     }
     // construct new revision
     $new_rev = new DB_PageRevision();
     $new_rev->setSiteId($this->site->getSiteId());
     $new_rev->setPageId($page->getPageId());
     $new_rev->setUserId($this->performer->getUserId());
     $new_rev->setDateLastEdited($now);
     if ($new) {
         $new_rev->setRevisionNumber(0);
     } else {
         $new_rev->setRevisionNumber($cur_rev->getRevisionNumber() + 1);
     }
     $src_changed = false;
     $title_changed = false;
     $parent_changed = false;
     $tags_changed = false;
     // handle source change
     if ($new || $this->source !== null && $page->getSource() != $this->source) {
         $new_src = new DB_PageSource();
         $new_src->setText($this->source);
         $new_src->save();
         $new_rev->setSourceId($new_src->getSourceId());
         $src_changed = true;
     } else {
         $new_rev->setSourceId($cur_rev->getSourceId());
         $new_rev->setSinceFullSource($cur_rev->getSinceFullSource());
         $new_rev->setDiffSource($cur_rev->getDiffSource());
     }
     // handle tags change
     if ($this->tags) {
         $new_tags = $this->tags;
         $cur_tags = $page->getTagsAsArray();
         sort($cur_tags);
         sort($new_tags);
         if ($cur_tags != $new_tags) {
             $tags_changed = true;
             $tags_deleted = array();
             $tags_added = array();
             foreach ($cur_tags as $tag) {
                 if (!in_array($tag, $new_tags)) {
                     $c = new Criteria();
                     $c->add('page_id', $page->getPageId());
                     $c->add('tag', $tag);
                     if ($t = DB_PageTagPeer::instance()->selectOne($c)) {
                         $t->delete();
                         $tags_deleted[] = $tag;
                     }
                 }
             }
             foreach ($new_tags as $tag) {
                 if (!in_array($tag, $cur_tags)) {
                     $t = new DB_PageTag();
                     $t->getPageId($page->getPageId());
                     $t->setSiteId($this->site->getSiteId());
                     $t->setTag($tag);
                     $t->save();
                     $tags_added[] = $tag;
                 }
             }
         }
     }
     // handle metadata: title change
     if ($new || $this->title !== null && $cur_meta->getTitle() != $this->title) {
         $new_meta->setTitle($this->title);
         $page->setTitle($this->title);
         $title_changed = true;
     }
     // handle metadata: parent page change
     if ($this->parent_page) {
         if (!$cur_meta->getParentPageId() || $cur_meta->getParentPageId() != $this->parent_page->getPageId()) {
             $new_meta->setParentPageId($this->parent_page->getPageId());
             $parent_changed = true;
         }
     }
     if ($this->clear_parent_page && $page->getParentPageId()) {
         $new_meta->setParentPageId(null);
         $parent_changed = true;
     }
     $meta_changed = $title_changed || $parent_changed;
     // decide whether to use previous metadata or create a new object
     if ($meta_changed) {
         $new_meta->save();
         $new_rev->setMetadataId($new_meta->getMetadataId());
     } else {
         $new_rev->setMetadataId($cur_meta->getMetadataId());
     }
     // set flag on revision
     if ($new) {
         $new_rev->setFlagNew(true);
     } else {
         if ($src_changed) {
             $new_rev->setFlagText(true);
         }
         if ($title_changed) {
             $new_rev->setFlagTitle(true);
         }
         if ($parent_changed) {
             $new_rev->setFlagMeta(true);
         }
     }
     if ($src_changed || $meta_changed || $tags_changed) {
         $new_rev->save();
         $page->setSourceId($new_rev->getSourceId());
         $page->setDateLastEdited($now);
         $page->setMetadataId($new_rev->getMetadataId());
         $page->setRevisionNumber($new_rev->getRevisionNumber());
         $page->setRevisionId($new_rev->getRevisionId());
         $page->save();
         $db->commit();
         $GLOBALS['site'] = $this->site;
         $outdater = new Outdater();
         if ($src_changed) {
             $outdater->pageEvent("source_changed", $page);
         }
         if ($title_changed) {
             $outdater->pageEvent("title_changed", $page);
         }
         if ($parent_changed) {
             $outdater->pageEvent("parent_changed", $page);
         }
         if ($tags_changed) {
             $outdater->pageEvent("tag_changed", $page);
         }
     } else {
         /* This place is reached when API client tries to set source or
          * title or parent page or tags that are already set (in the DB)
          * to the same value.
          * 
          * Let's suppose doing nothing is the desired behavior in this case
          * 
          * Other possible way to react can be raising an exception.
          * But it should be different from Wikidot_Facade_Exception_WrongArguments
          * because this one implies client error (and client does not need
          * to know the exact database state).
          */
     }
 }