PHP FetchPageInfo函数代码示例

 public function fetchPageInfo($Url, $ThrowError = false)
 {
     $PageInfo = FetchPageInfo($Url, 3, $ThrowError);
     $Title = val('Title', $PageInfo, '');
     if ($Title == '') {
         if ($ThrowError) {
             throw new Gdn_UserException(t("The page didn't contain any information."));
         }
         $Title = formatString(t('Undefined discussion subject.'), array('Url' => $Url));
     } else {
         if ($Strip = c('Vanilla.Embed.StripPrefix')) {
             $Title = stringBeginsWith($Title, $Strip, true, true);
         }
         if ($Strip = c('Vanilla.Embed.StripSuffix')) {
             $Title = StringEndsWith($Title, $Strip, true, true);
         }
     }
     $Title = trim($Title);
     $Description = val('Description', $PageInfo, '');
     $Images = val('Images', $PageInfo, array());
     $Body = formatString(t('EmbeddedDiscussionFormat'), array('Title' => $Title, 'Excerpt' => $Description, 'Image' => count($Images) > 0 ? img(val(0, $Images), array('class' => 'LeftAlign')) : '', 'Url' => $Url));
     if ($Body == '') {
         $Body = $Url;
     }
     if ($Body == '') {
         $Body = formatString(t('EmbeddedNoBodyFormat.'), array('Url' => $Url));
     }
     $Result = array('Name' => $Title, 'Body' => $Body, 'Format' => 'Html');
     return $Result;
 }

 /**
  * Return some meta information about any page on the internet in JSON format.
  */
 public function FetchPageInfo($Url = '')
 {
     $PageInfo = FetchPageInfo($Url);
     $this->SetData('PageInfo', $PageInfo);
     $this->MasterView = 'default';
     $this->RemoveCssFile('admin.css');
     $this->AddCssFile('style.css');
     $this->AddCssFile('vanillicon.css', 'static');
     $this->SetData('_NoPanel', TRUE);
     $this->Render();
 }

    /**
     * Alternate version of Index that uses the embed master view.
     */
    public function Embed($DiscussionID = '', $DiscussionStub = '', $Offset = '', $Limit = '')
    {
        $this->CanEditComments = FALSE;
        // Don't show the comment checkboxes on the embed comments page
        $this->Theme = 'default';
        // Force the default theme on embedded comments
        // Add some css to help with the transparent bg on embedded comments
        if ($this->Head) {
            $this->Head->AddString('<style type="text/css">
body { background: transparent !important; }
ul.MessageList li.Item { background: #fff; }
ul.MessageList li.Item.Mine { background: #E3F4FF; }
</style>');
        }
        $Session = Gdn::Session();
        $this->AddJsFile('jquery.ui.packed.js');
        $this->AddJsFile('jquery.gardenmorepager.js');
        $this->AddJsFile('jquery.autogrow.js');
        $this->AddJsFile('options.js');
        $this->AddJsFile('discussion.js');
        $this->MasterView = 'empty';
        // Define incoming variables (prefer querystring parameters over method parameters)
        $DiscussionID = is_numeric($DiscussionID) && $DiscussionID > 0 ? $DiscussionID : 0;
        $DiscussionID = GetIncomingValue('vanilla_discussion_id', $DiscussionID);
        $Offset = GetIncomingValue('Offset', $Offset);
        $Limit = GetIncomingValue('Limit', $Limit);
        $ForeignID = GetIncomingValue('vanilla_identifier', '');
        $ForeignType = GetIncomingValue('vanilla_type', '');
        $ForeignName = GetIncomingValue('vanilla_name', '');
        $ForeignUrl = GetIncomingValue('vanilla_url', '');
        $this->SetData('ForeignUrl', $ForeignUrl);
        $this->AddDefinition('ForeignUrl', $ForeignUrl);
        $ForeignBody = GetIncomingValue('vanilla_body', '');
        $CategoryID = GetIncomingValue('vanilla_category_id', '');
        // Retrieve the discussion record.
        $Discussion = FALSE;
        if ($DiscussionID > 0) {
            $Discussion = $this->DiscussionModel->GetID($DiscussionID);
        } else {
            if ($ForeignID != '' && $ForeignType != '') {
                $Discussion = $this->DiscussionModel->GetForeignID($ForeignID, $ForeignType);
            }
        }
        // If no discussion record was found, but foreign id was provided, create it now
        if (!$Discussion && $ForeignID != '' && $ForeignType != '') {
            if ($ForeignName == '' || $ForeignBody == '') {
                $PageInfo = FetchPageInfo($ForeignUrl);
                if (!$PageInfo['Exception']) {
                    $ForeignName = $PageInfo['Title'];
                    $ForeignBody = Wrap(Anchor($ForeignName, $ForeignUrl), 'strong') . "\n" . '<br />' . Wrap(Anchor($ForeignUrl, $ForeignUrl), 'small') . "\n" . Wrap($PageInfo['Description'], 'p');
                    if (count($PageInfo['Images']) > 0) {
                        $ForeignBody = Anchor(Img($PageInfo['Images'][0], array('alt' => $ForeignName, 'class' => 'Thumbnail')), $ForeignUrl) . "\n" . $ForeignBody;
                    }
                }
            }
            $Body = $ForeignBody;
            if ($Body == '' && $ForeignUrl != '') {
                $Body = $ForeignUrl;
            }
            if ($Body == '') {
                $Body = T('This discussion is related to an undefined foriegn content source.');
            }
            // Validate the CategoryID for inserting
            if (!is_numeric($CategoryID)) {
                $CategoryID = C('Vanilla.Embed.DefaultCategoryID', 0);
                if ($CategoryID <= 0) {
                    // No default category defined, so grab the first non-root category and use that.
                    try {
                        $CategoryID = $this->DiscussionModel->SQL->Select('CategoryID')->From('Category')->Where('CategoryID >', 0)->Get()->FirstRow()->CategoryID;
                    } catch (Exception $ex) {
                        // No categories in the db? default to 0
                        $CategoryID = 0;
                    }
                }
            }
            $SystemUserID = Gdn::UserModel()->GetSystemUserID();
            $DiscussionID = $this->DiscussionModel->SQL->Insert('Discussion', array('InsertUserID' => $SystemUserID, 'DateInserted' => Gdn_Format::ToDateTime(), 'UpdateUserID' => $SystemUserID, 'DateUpdated' => Gdn_Format::ToDateTime(), 'CategoryID' => $CategoryID == '' ? NULL : $CategoryID, 'ForeignID' => $ForeignID, 'Type' => $ForeignType, 'Name' => $ForeignName == '' ? T('Undefined foreign content') : $ForeignName, 'Body' => $Body, 'Attributes' => serialize(array('ForeignUrl' => $ForeignUrl))));
            $ValidationResults = $this->DiscussionModel->ValidationResults();
            if (count($ValidationResults) == 0 && $DiscussionID > 0) {
                $Discussion = $this->DiscussionModel->GetID($DiscussionID);
                // Update the category discussion count
                if ($CategoryID > 0) {
                    $this->DiscussionModel->UpdateDiscussionCount($CategoryID, $DiscussionID);
                }
            }
        }
        // If no discussion was found, 404
        if (!$Discussion) {
            $this->Render('FileNotFound', 'HomeController', 'Dashboard');
            return;
        }
        $this->SetData('Discussion', $Discussion, TRUE);
        $this->SetData('DiscussionID', $Discussion->DiscussionID, TRUE);
        $this->Title($this->Discussion->Name);
        // Actual number of comments, excluding the discussion itself
        $ActualResponses = $this->Discussion->CountComments - 1;
        // Define the query offset & limit
//.........这里部分代码省略.........

 /**
  * Create or update a comment.
  *
  * @since 2.0.0
  * @access public
  *
  * @param int $DiscussionID Unique ID to add the comment to. If blank, this method will throw an error.
  */
 public function Comment($DiscussionID = '')
 {
     // Get $DiscussionID from RequestArgs if valid
     if ($DiscussionID == '' && count($this->RequestArgs)) {
         if (is_numeric($this->RequestArgs[0])) {
             $DiscussionID = $this->RequestArgs[0];
         }
     }
     // If invalid $DiscussionID, get from form.
     $this->Form->SetModel($this->CommentModel);
     $DiscussionID = is_numeric($DiscussionID) ? $DiscussionID : $this->Form->GetFormValue('DiscussionID', 0);
     // Set discussion data
     $this->DiscussionID = $DiscussionID;
     $this->Discussion = $Discussion = $this->DiscussionModel->GetID($DiscussionID);
     // Is this an embedded comment being posted to a discussion that doesn't exist yet?
     $vanilla_type = $this->Form->GetFormValue('vanilla_type', '');
     $vanilla_url = $this->Form->GetFormValue('vanilla_url', '');
     $vanilla_category_id = $this->Form->GetFormValue('vanilla_category_id', '');
     $Attributes = array('ForeignUrl' => $vanilla_url);
     $vanilla_identifier = $this->Form->GetFormValue('vanilla_identifier', '');
     // Only allow vanilla identifiers of 32 chars or less - md5 if larger
     if (strlen($vanilla_identifier) > 32) {
         $Attributes['vanilla_identifier'] = $vanilla_identifier;
         $vanilla_identifier = md5($vanilla_identifier);
     }
     if (!$Discussion && $vanilla_url != '' && $vanilla_identifier != '') {
         $Discussion = $Discussion = $this->DiscussionModel->GetForeignID($vanilla_identifier, $vanilla_type);
         if ($Discussion) {
             $this->DiscussionID = $DiscussionID = $Discussion->DiscussionID;
             $this->Form->SetValue('DiscussionID', $DiscussionID);
         }
     }
     // If so, create it!
     if (!$Discussion && $vanilla_url != '' && $vanilla_identifier != '') {
         // Add these values back to the form if they exist!
         $this->Form->AddHidden('vanilla_identifier', $vanilla_identifier);
         $this->Form->AddHidden('vanilla_type', $vanilla_type);
         $this->Form->AddHidden('vanilla_url', $vanilla_url);
         $this->Form->AddHidden('vanilla_category_id', $vanilla_category_id);
         $PageInfo = FetchPageInfo($vanilla_url);
         if (!($Title = $this->Form->GetFormValue('Name'))) {
             $Title = GetValue('Title', $PageInfo, '');
             if ($Title == '') {
                 $Title = T('Undefined discussion subject.');
             }
         }
         $Description = GetValue('Description', $PageInfo, '');
         $Images = GetValue('Images', $PageInfo, array());
         $LinkText = T('EmbededDiscussionLinkText', 'Read the full story here');
         if (!$Description && count($Images) == 0) {
             $Body = FormatString('<p><a href="{Url}">{LinkText}</a></p>', array('Url' => $vanilla_url, 'LinkText' => $LinkText));
         } else {
             $Body = FormatString('
         <div class="EmbeddedContent">{Image}<strong>{Title}</strong>
            <p>{Excerpt}</p>
            <p><a href="{Url}">{LinkText}</a></p>
            <div class="ClearFix"></div>
         </div>', array('Title' => $Title, 'Excerpt' => $Description, 'Image' => count($Images) > 0 ? Img(GetValue(0, $Images), array('class' => 'LeftAlign')) : '', 'Url' => $vanilla_url, 'LinkText' => $LinkText));
         }
         if ($Body == '') {
             $Body = $vanilla_url;
         }
         if ($Body == '') {
             $Body = T('Undefined discussion body.');
         }
         // Validate the CategoryID for inserting.
         $Category = CategoryModel::Categories($vanilla_category_id);
         if (!$Category) {
             $vanilla_category_id = C('Vanilla.Embed.DefaultCategoryID', 0);
             if ($vanilla_category_id <= 0) {
                 // No default category defined, so grab the first non-root category and use that.
                 $vanilla_category_id = $this->DiscussionModel->SQL->Select('CategoryID')->From('Category')->Where('CategoryID >', 0)->Get()->FirstRow()->CategoryID;
                 // No categories in the db? default to 0
                 if (!$vanilla_category_id) {
                     $vanilla_category_id = 0;
                 }
             }
         } else {
             $vanilla_category_id = $Category['CategoryID'];
         }
         $EmbedUserID = C('Garden.Embed.UserID');
         if ($EmbedUserID) {
             $EmbedUser = Gdn::UserModel()->GetID($EmbedUserID);
         }
         if (!$EmbedUserID || !$EmbedUser) {
             $EmbedUserID = Gdn::UserModel()->GetSystemUserID();
         }
         $EmbeddedDiscussionData = array('InsertUserID' => $EmbedUserID, 'DateInserted' => Gdn_Format::ToDateTime(), 'DateUpdated' => Gdn_Format::ToDateTime(), 'CategoryID' => $vanilla_category_id, 'ForeignID' => $vanilla_identifier, 'Type' => $vanilla_type, 'Name' => $Title, 'Body' => $Body, 'Format' => 'Html', 'Attributes' => serialize($Attributes));
         $this->EventArguments['Discussion'] = $EmbeddedDiscussionData;
         $this->FireEvent('BeforeEmbedDiscussion');
         $DiscussionID = $this->DiscussionModel->SQL->Insert('Discussion', $EmbeddedDiscussionData);
         $ValidationResults = $this->DiscussionModel->ValidationResults();
//.........这里部分代码省略.........

 public function FetchPageInfo($Url)
 {
     $PageInfo = FetchPageInfo($Url);
     $Title = GetValue('Title', $PageInfo, '');
     if ($Title == '') {
         $Title = FormatString(T('Undefined discussion subject.'), array('Url' => $Url));
     } else {
         if ($Strip = C('Vanilla.Embed.StripPrefix')) {
             $Title = StringBeginsWith($Title, $Strip, TRUE, TRUE);
         }
         if ($Strip = C('Vanilla.Embed.StripSuffix')) {
             $Title = StringEndsWith($Title, $Strip, TRUE, TRUE);
         }
     }
     $Title = trim($Title);
     $Description = GetValue('Description', $PageInfo, '');
     $Images = GetValue('Images', $PageInfo, array());
     $Body = FormatString(T('EmbeddedDiscussionFormat'), array('Title' => $Title, 'Excerpt' => $Description, 'Image' => count($Images) > 0 ? Img(GetValue(0, $Images), array('class' => 'LeftAlign')) : '', 'Url' => $Url));
     if ($Body == '') {
         $Body = $ForeignUrl;
     }
     if ($Body == '') {
         $Body = FormatString(T('EmbeddedNoBodyFormat.'), array('Url' => $Url));
     }
     $Result = array('Name' => $Title, 'Body' => $Body, 'Format' => 'Html');
     return $Result;
 }