Thank only possible for writer topic

jackmaessen · December 2014

I have a question about this plugin. I am trying to find a solution that only the topic writer can thank for a comment.

So in his own topic, he is the only one who can thank on comment of other comment writers.

I think there should be added something in this piece of code (class.thankfullpeople.plugin.php):

if ($AllowThank) {
                        static $LocalizedThankButtonText;
                        if ($LocalizedThankButtonText === Null) $LocalizedThankButtonText = T('ThankCommentOption', T('Thank'));
                        $ThankUrl = 'plugin/thankfor/'.strtolower($Type).'/'.$ObjectID.'?Target='.$Sender->SelfUrl;
                        $Option = '<span class="Thank">'.Anchor($LocalizedThankButtonText, $ThankUrl).'</span>';
                        echo $Option;
                        //$Sender->Options .= $Option;

I just don't know how to catch the topic writer only

R_J · December 2014

I don't know the source, but you would have to
a) not show the possibility to thank any more for all discussions
b) show possibility to thank and allow thanking only to discussion author by checking everytime it is displayed and thanks are written to db

$DiscussionID = $Sender['EventArguments']['Comment']->DiscussionID;
$Discussion = DiscussionModel::GetByID($DiscussionID);
$DiscussionUserID = $Discussion->InsertUserID;
if ($Session->UserID != $DiscussionUserID) return

(This code is not tested and simply a draft for you to find your way, young Jedi)

jackmaessen · December 2014

this is the complete function in which the text Thank is parsed in the meta

public function DiscussionController_AfterCommentMeta_Handler($Sender) {
                $EventArguments =& $Sender->EventArguments;
                $Type = $EventArguments['Type'];
                $Object = $EventArguments['Object'];
                //$Session = Gdn::Session();
                $SessionUserID = $this->Session->UserID;
                if ($SessionUserID <= 0 || $Object->InsertUserID == $SessionUserID) return;

                if (!self::IsThankable($Type)) return;



                static $AllowTakeBack;
                if (is_null($AllowTakeBack)) $AllowTakeBack = C('Plugins.ThankfulPeople.AllowTakeBack', False);
                $AllowThank = True;

                switch ($Type) {
                        case 'Discussion': {
                                $DiscussionID = $ObjectID = $Object->DiscussionID;
                                if (array_key_exists($SessionUserID, $this->DiscussionData)) $AllowThank = False;
                                break;
                        }
                        case 'Comment': {
                                $CommentID = $ObjectID = $Object->CommentID;
                                if (array_key_exists($CommentID, $this->ThankForComment) && in_array($SessionUserID, $this->ThankForComment[$CommentID])) $AllowThank = False;
                                break;
                        }
                }


                if ($AllowThank) {
                        static $LocalizedThankButtonText;

                        if ($LocalizedThankButtonText === Null) $LocalizedThankButtonText = T('ThankCommentOption', T('Thank'));
                        $ThankUrl = 'plugin/thankfor/'.strtolower($Type).'/'.$ObjectID.'?Target='.$Sender->SelfUrl;
                        $Option = '<span class="Thank">'.Anchor($LocalizedThankButtonText, $ThankUrl).'</span>';
                        echo $Option;
                        //$Sender->Options .= $Option;
                } elseif ($AllowTakeBack) {
                        // Allow unthank
                        static $LocalizedUnThankButtonText;
                        if (is_null($LocalizedUnThankButtonText)) $LocalizedUnThankButtonText = T('UnThankCommentOption', T('Unthank'));
                        $UnThankUrl = 'plugin/unthankfor/'.strtolower($Type).'/'.$ObjectID.'?Target='.$Sender->SelfUrl;
                        $Option = '<span class="UnThank">'.Anchor($LocalizedUnThankButtonText, $UnThankUrl).'</span>';
                        echo $Option;
                        //$Sender->Options .= $Option;
                }
        }

R_J · December 2014

While you are looking at changing the plugin, you could even improve your version

Look at that: https://github.com/vanilla/vanilla/blob/2.1/applications/vanilla/views/discussion/helper_functions.php#L126-128
Replace function "AfterCommentMeta" by "CommentInfo" so that it will work with Vanilla 2.3

Then look at what useful information is in the EventArguments: https://github.com/vanilla/vanilla/blob/2.1/applications/vanilla/views/discussion/helper_functions.php#L66-74

$Type will now always be "Comment" and $Object is the Comment.

    public function DiscussionController_CommentInfo_Handler($Sender) {
        $Comment = $Sender->EventArguments['Comment'];
        $Type = 'Comment';
        $CommentID = $Comment->CommentID;

        $Discussion = DiscussionModel::GetID($CommentID);
        // maybe you must use $DiscussionModel = new DiscussionModel(); $Discussion = $DiscussionModel->GetID... instead
        $DiscussionUserID = $Discussion->InsertUserID;
        $SessionUserID = $this->Session->UserID;
        // here's what you wanted to achieve:
        if ($SessionUserID <> $DiscussionUserID || $Comment->InsertUserID == $SessionUserID) {
            return;
        }
        if (!self::IsThankable($Type)) {
            return;
        }
        static $AllowTakeBack;
        if (is_null($AllowTakeBack)) {
            $AllowTakeBack = C('Plugins.ThankfulPeople.AllowTakeBack', False);
        }
        $AllowThank = True;

        if (array_key_exists($CommentID, $this->ThankForComment) && in_array($SessionUserID, $this->ThankForComment[$CommentID])) {
            $AllowThank = False;
        }
        if ($AllowThank) {
            static $LocalizedThankButtonText;
            if ($LocalizedThankButtonText === Null) {
                $LocalizedThankButtonText = T('ThankCommentOption', T('Thank'));
            }
            $ThankUrl = 'plugin/thankfor/'.strtolower($Type).'/'.$CommentID.'?Target='.$Sender->SelfUrl;
            $Option = '<span class="Thank">'.Anchor($LocalizedThankButtonText, $ThankUrl).'</span>';
            echo $Option;
        } elseif ($AllowTakeBack) {
            // Allow unthank
            static $LocalizedUnThankButtonText;
            if (is_null($LocalizedUnThankButtonText)) {
                $LocalizedUnThankButtonText = T('UnThankCommentOption', T('Unthank'));
            }
            $UnThankUrl = 'plugin/unthankfor/'.strtolower($Type).'/'.$CommentID.'?Target='.$Sender->SelfUrl;
            $Option = '<span class="UnThank">'.Anchor($LocalizedUnThankButtonText, $UnThankUrl).'</span>';
            echo $Option;
        }
    }

Line 31 and 40 tell me that there are functions PluginController_ThankFor_Create and PluginController_UnThankFor_Create exist which do the real job. You have to do the check here again, otherwise people could simply write yourforum/plugin/thankfor/comment/100 in their address bar in order to thank for any comment.

Thank only possible for writer topic

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