The Travelsized Content Management System: setup/modules/discuss/code/discussForum.php Source File

00001 <?PHP
00006 class discussForum extends lockableClass
00007 {
00008         var $sectionID;      
00009         var $forumID;        
00010         var $globalID;       
00011         
00012         var $title;          
00013         var $description;    
00014         
00015         var $threads;        
00016         var $threadsCount;   
00017         
00018         var $moderators;     
00019         var $postLevel;      
00020         var $viewLevel;      
00021         
00022         var $lastChanged;    
00023         var $lastChangedBy;  
00024         var $isChanged;      
00025         var $parentSection;  
00026         var $thisForumURL;   
00027         
00034         function discussForum($sectionID, $forumID)
00035         {
00036                 global $discussContentDirectory;
00037                 $this->sectionID = $sectionID;
00038                 $this->forumID = $forumID;
00039                 $this->lockfile = "$discussContentDirectory/{$this->sectionID}/forums/{$this->forumID}/lock";
00040                 
00041                 if( $this->lock() )
00042                 {
00043                         $this->load();
00044                         if( isAllowed("modules_discuss_admin") && $_POST["discussForumEdit"]["sectionID"] == $sectionID && $_POST["discussForumEdit"]["forumID"] == $forumID && $_POST["save_forum"] )
00045                         {
00046                                 $this->title = stripslashes($_POST["discussForumEdit"]["title"]);
00047                                 $this->description = stripslashes($_POST["discussForumEdit"]["description"]);
00048                                 $this->postLevel = $_POST["discussForumEdit"]["postLevel"];
00049                                 $this->viewLevel = $_POST["discussForumEdit"]["viewLevel"];
00050                                 $this->save();
00051                         }
00052                         $this->unlock();
00053                 }
00054                 
00055                 $this->globalID = "discuss/$sectionID/$forumID";
00056                 $this->thisForumURL = globalIDtoURL($this->globalID);
00057         }
00058         
00062         function load()
00063         {
00064                 global $discussContentDirectory;
00065                 
00066                 if( file_exists( "$discussContentDirectory/{$this->sectionID}/forums/{$this->forumID}/options.php" ) )
00067                         include( "$discussContentDirectory/{$this->sectionID}/forums/{$this->forumID}/options.php" );
00068                 
00069                 $this->title = $forum_options["title"];
00070                 $this->moderators = $forum_options["moderators"];
00071                 $this->description = $forum_options["description"];
00072                 $this->postLevel = $forum_options["postLevel"];
00073                 $this->viewLevel = $forum_options["viewLevel"];
00074                 $this->lastChanged = $forum_options["lastChanged"];
00075                 $this->lastChangedBy = $forum_options["lastChangedBy"];
00076                 // Make sure we at least have something /resembling/ a post count... Even if there's not been any posts made yet
00077                 $this->threadsCount = ($forum_options["threadsCount"] > 0) ? $forum_options["threadsCount"] : 0;
00078         }
00079         
00080         function save()
00081         {
00082                 global $discussContentDirectory;
00083                 if( file_exists( "$discussContentDirectory/{$this->sectionID}/forums/{$this->forumID}/options.php" ) )
00084                         unlink( "$discussContentDirectory/{$this->sectionID}/forums/{$this->forumID}/options.php" );
00085                 
00086                 $forum_options["title"] = $this->title;
00087                 $forum_options["description"] = $this->description;
00088                 $forum_options["moderators"] = $this->moderators;
00089                 $forum_options["postLevel"] = $this->postLevel;
00090                 $forum_options["viewLevel"] = $this->viewLevel;
00091                 $forum_options["lastChanged"] = $this->lastChanged;
00092                 $forum_options["lastChangedBy"] = $this->lastChangedBy;
00093                 $forum_options["threadsCount"] = $this->threadsCount;
00094                 
00095                 file_put_contents( "$discussContentDirectory/{$this->sectionID}/forums/{$this->forumID}/options.php", array_export( $forum_options, "forum_options" ) );
00096         }
00097         
00101         function loadThreads()
00102         {
00103                 global $discussContentDirectory;
00104                 
00105                 $fPath = "$discussContentDirectory/{$this->sectionID}/forums/{$this->forumID}/threads";
00106                 
00107                 $this->threads = array();
00108                 if( is_dir( $fPath ) )
00109                 {
00110                         // The following snippet by web at fischenich dot org on the php.net manual
00111                         if( $handle=opendir($fPath) )
00112                         {
00113                                 $filetlist = array();
00114                                 // Get file listing, sorted file filemtime and ID {
00115                                 while( $file = readdir( $handle ) )
00116                                 {
00117                                         if( substr($file, 0, 1) == '.' )
00118                                                 continue;
00119                                         
00120                                         // The position is the filemtime and the ID
00121                                         $position = filemtime( $fPath . '/' . $file ) . "." . substr( $file, 0, -4 );
00122                                         $filetlist[$position] = $file;
00123                                 }
00124                                 krsort($filetlist);
00125                                 // Get file listing, sorted file filemtime and ID }
00126                                 
00127                                 while( list($key, $val) = each($filetlist) )
00128                                         $this->threads[$key] = new discussThread( $this->sectionID, $this->forumID, substr( $val, 0, -4 ), &$this );
00129                         }
00130                 }
00131                 
00132                 if( $_POST["discussForumEdit"]["sectionID"] == $sectionID && $_POST["discussForumEdit"]["forumID"] == $forumID && $_REQUEST["discuss_deleteSuccess"] == "true" )
00133                 {
00134                         if( $this->lock() )
00135                         {
00136                                 $this->load();
00137                                 $this->threadsCount = count( $this->threads );
00138                                 $this->save();
00139                                 $this->unlock();
00140                         }
00141                 }
00142         }
00143         
00147         function isModerator()
00148         {
00149                 if( count( $this->moderators ) > 0 )
00150                         foreach( $this->moderators as $key => $value )
00151                                 if( $key == currentUser() )
00152                                         return true;
00153                 
00154                 // Admin can always moderate
00155                 if( isAllowed( currentUser(), "global_admin" ) )
00156                         return true;
00157                 
00158                 return false;
00159         }
00160         
00161         function userCanView()
00162         {
00163                 // Everybody can view, even anonymous users - no need to check further...
00164                 if( $this->viewLevel == 1 )
00165                         return true;
00166                 
00167                 // User is logged in, and only registered users can view...
00168                 if( isAuth() && $this->viewLevel == 2 )
00169                         return true;
00170                 
00171                 // User is moderator...
00172                 if( $this->isModerator() )
00173                         return true;
00174                 
00175                 // Admin can always view
00176                 if( isAllowed( currentUser(), "global_admin" ) )
00177                         return true;
00178                 
00179                 // Otherwise...
00180                 return false;
00181         }
00182         
00183         function userCanPost()
00184         {
00185                 // Everybody can post, even anonymous users - no need to check further...
00186                 if( $this->postLevel == 1 )
00187                         return true;
00188                 
00189                 // User is logged in, and only registered users can post...
00190                 if( isAuth() && $this->postLevel == 2 )
00191                         return true;
00192                 
00193                 // User is moderator...
00194                 if( $this->isModerator() )
00195                         return true;
00196                 
00197                 // Admin can always post
00198                 if( isAllowed( currentUser(), "global_admin" ) )
00199                         return true;
00200                 
00201                 // Otherwise...
00202                 return false;
00203         }
00204         
00208         function renderBlock()
00209         {
00210                 global $discuss_allowanceLevels;
00211                 
00212                 if( $this->userCanView() )
00213                 {
00214                         if( is_array( $this->moderators ) && count( $theModerators ) > 0 )
00215                         {
00216                                 foreach( $theModerators as $key3 => $value3 )
00217                                         $temp_moderators .= parse_page_data("%%$value3%%") . ", ";
00218                                 
00219                                 $temp_moderators = substr($temp_moderators, 0, -2); // Remove the last comma...
00220                         }
00221                         else
00222                                 $temp_moderators = i18n("No moderators assigned to this forum");
00223                         
00224                         $temp_postlevel = $discuss_allowanceLevels[$this->postLevel];
00225                         $temp_viewlevel = $discuss_allowanceLevels[$this->viewLevel];
00226                         
00227                         $data = "
00228                                         <div class=\"discuss_forumHeader\">
00229                                                 <a href=\"" . globalIDtoURL($this->globalID) . "\" class=\"discuss_forumHeader\">
00230                                                 <span class=\"discuss_forumLink\">" . i18n("Go") . " &raquo; </span>
00231                                                 <span class=\"discuss_forumTitle\">{$this->title}</span>
00232                                                 <span class=\"discuss_forumDescription\">{$this->description}</span></a>
00233                                                 <span class=\"discuss_forumNumberOfThreads\">" . i18n("Number of threads: ##0##", array($this->threadsCount) ) . "</span>
00234                                                 <span class=\"discuss_forumLastChanged\">" . i18n("Last changed by ##0## on ##1##", array( parse_profilelinks("%%" . $this->lastChangedBy . "%%"), formatTime($this->lastChanged) ) ) . "</span>";
00235                         
00236                         // Check wether the user wants to show the details or not...
00237                         if( getUserInfo( currentUser(), "discuss_verboseListings" ) != 1 )
00238                         {
00239                                 $data .= "
00240                                                 <span class=\"discuss_forumModerators\">" . i18n("Moderators") . ": $temp_moderators</span>
00241                                                 <span class=\"discuss_forumLevels\">" . i18n("##0## can post new threads and ##1## can view existing threads in the forum.", array( $temp_postlevel, $temp_viewlevel ) ) . "</span>";
00242                         }
00243                         
00244                         $data.= "</div>";
00245                                 
00246                 
00247                         return $data;
00248                 }
00249         }
00250         
00254         function renderNewThread()
00255         {
00256                 global $discuss_options, $discuss_defaultoptions;
00257                 // If the thread is to be previewed, do this, and fill the editing fields with the data
00258                 if( $_REQUEST["discuss_preview"] )
00259                 {
00260                         $thread_data["title"] = stripslashes($_POST["discussEdit"]["title"]);
00261                         $thread_data["description"] = stripslashes($_POST["discussEdit"]["description"]);
00262                         $thread_data["content"] = stripslashes($_POST["discussEdit"]["content"]);
00263                         $thread_data["viewLevel"] = $_POST["discussEdit"]["viewLevel"];
00264                         $thread_data["replyLevel"] = $_POST["discussEdit"]["replyLevel"];
00265                         $thread_data["editLevel"] = $_POST["discussEdit"]["editLevel"];
00266                         if( $this->isModerator() )
00267                                 $thread_data["isSticky"] = $_POST["discussEdit"]["isSticky"] ? 1 : 0;
00268                         else
00269                                 $thread_data["isSticky"] = false;
00270                 }
00271                 else
00272                 {
00273                         $thread_data["title"] = i18n("The thread's title");
00274                         $thread_data["description"] = ""; // This is optional
00275                         $thread_data["content"] = i18n("Enter your post's content here.") . "\n---\n" . getUserInfo(currentUser(), "signature", "" );
00276                         $thread_data["isSticky"] = false;
00277                         $thread_data["viewLevel"] = getUserInfo( currentUser(), "discuss_viewLevel", $discuss_defaultoptions["user"]["viewLevel"] );
00278                         $thread_data["replyLevel"] = getUserInfo( currentUser(), "discuss_replyLevel", $discuss_defaultoptions["user"]["replyLevel"] );
00279                         $thread_data["editLevel"] = getUserInfo( currentUser(), "discuss_editLevel", $discuss_defaultoptions["user"]["editLevel"] );
00280                 }
00281                 $thread_data["owner"] = currentUser();
00282                 
00283                 // If the thread is to be published, do this and redirect to showing it...
00284                 if( $_POST["discuss_saveThread"] )
00285                 {
00286                         $timestamp = time();
00287                         
00288                         $discuss_options["counters"]["thread"]++;
00289                         $newThreadID = $discuss_options["counters"]["thread"];
00290                         discuss_saveOptions();
00291                         
00292                         $newThreadKey = $timestamp . "." . $newThreadID;
00293                         
00294                         if( $this->lock() )
00295                         {
00296                                 $this->load();
00297                                 $this->threads[$newThreadKey] = new discussThread($this->sectionID, $this->forumID);
00298                                 $this->threads[$newThreadKey]->parentForum = &$this;
00299                                 
00300                                 if( isAuth() )
00301                                         $this->threads[$newThreadKey]->owner = stripslashes($_POST["discussEdit"]["owner"]);
00302                                 else
00303                                         $this->threads[$newThreadKey]->owner = i18n("Anonymous user");
00304                                 
00305                                 $this->threads[$newThreadKey]->threadID = $newThreadID;
00306                                 $this->threads[$newThreadKey]->makeFilename();
00307                                 $this->threads[$newThreadKey]->created = $timestamp;
00308                                 $this->threads[$newThreadKey]->title = stripslashes($_POST["discussEdit"]["title"]);
00309                                 $this->threads[$newThreadKey]->description = stripslashes($_POST["discussEdit"]["description"]);
00310                                 $this->threads[$newThreadKey]->content = stripslashes($_POST["discussEdit"]["content"]);
00311                                 $this->threads[$newThreadKey]->viewLevel = $_POST["discussEdit"]["viewLevel"];
00312                                 $this->threads[$newThreadKey]->replyLevel = $_POST["discussEdit"]["replyLevel"];
00313                                 $this->threads[$newThreadKey]->editLevel = $_POST["discussEdit"]["editLevel"];
00314                                 $this->threads[$newThreadKey]->lastReplyBy = $this->threads[$newThreadKey]->owner;
00315                                 $this->threads[$newThreadKey]->lastChangedBy = $this->threads[$newThreadKey]->owner;
00316                                 $this->threads[$newThreadKey]->replies = array();
00317                                 $this->threads[$newThreadKey]->repliesCount = 0;
00318                                 $this->threads[$newThreadKey]->lastChanged = $this->threads[$newThreadKey]->created;
00319                                 $this->threads[$newThreadKey]->newThread = true;
00320                                 
00321                                 if( $this->isModerator() )
00322                                         $this->threads[$newThreadKey]->isSticky = $_POST["discussEdit"]["isSticky"] ? 1 : 0;
00323                                 else
00324                                         $this->threads[$newThreadKey]->isSticky = false;
00325                                 
00326                                 $this->threads[$newThreadKey]->save(true);
00327                                 
00328                                 $this->threadsCount++;
00329                                 $this->save();
00330                                 $this->unlock();
00331                                 
00332                                 header("Location: " . globalIDtoURL("discuss/" . $this->sectionID . "/" . $this->forumID . "/" . $newThreadID) );
00333                         }
00334                         else
00335                                 die( renderInformationBox( i18n("Timeout error!"), i18n("Too many people are attempting to create a new thread in the forum. Please try again.") ) );
00336                         return true;
00337                 }
00338                 
00339                 // Otherwise, simply show the editing box
00340                 return discussThread::renderThreadEditor($thread_data, $this);
00341         }
00342         
00346         function render()
00347         {
00348                 global $subscriptions;
00349                 
00350                 if( $this->userCanView() )
00351                 {
00352                         if( $_REQUEST["discuss_sectionID"] == $this->sectionID && $_REQUEST["discuss_forumID"] == $this->forumID && isset( $_REQUEST["discuss_threadID"] ) ) // Is there a thread to be shown?
00353                         {
00354                                 $theThread = new discussThread( $this->sectionID, $this->forumID, $_REQUEST["discuss_threadID"], &$this );
00355                                 return $theThread->render();
00356                         }
00357                         else if( $_REQUEST["discuss_sectionID"] == $this->sectionID && $_REQUEST["discuss_forumID"] == $this->forumID && isset( $_REQUEST["discuss_newThread"] ) ) // Are we going to create a new thread?
00358                         {
00359                                 return "<span
00360                                                 class=\"discuss_Breadcrumbs\">
00361                                                         " . i18n("You are here:") . "
00362                                                         <a href=\"" . globalIDtoURL("discuss") . "\" class=\"discuss_forumBreadcrumbsToTop\">" . i18n("Forum home") . "</a> &raquo;
00363                                                         <a href=\"" . globalIDtoURL($this->globalID) . "\" class=\"discuss_forumBreadcrumbsForum\">{$this->title}</a> &raquo;
00364                                                         " . i18n("New thread") . "
00365                                                         </span><span
00366                                                 class=\"discuss_Navigator\">&nbsp;
00367                                                 $rendered_navigator
00368                                         </span>" . $this->renderNewThread();
00369                         }
00370                         else if( ! isset( $_REQUEST["discuss_threadID"] ) ) // Unless we're showing some thread in another forum, render the forum proper...
00371                         {
00372                                 // Show forum header (title, description, navigator if paginated, breadcrumbs)
00373                                 if( true ) // Navigator is rendered when...
00374                                 {
00375                                         $rendered_navigator = "";
00376                                 }
00377                                 
00378                                 if( $this->userCanPost() )
00379                                         $postControl = "
00380                                                 <span class=\"discuss_forumAddThread\"><a href=\"" . thisPageURL( false, true, array( "discuss_newThread" => "true" ) ) . "\" class=\"command discuss_forumNewThread\">[" . i18n("New thread") . "]</a></span>";
00381                                 
00382                                 $rendered_content = "<span
00383                                                 class=\"discuss_Breadcrumbs\">
00384                                                         " . i18n("You are here:") . "
00385                                                         <a href=\"" . globalIDtoURL("discuss") . "\" class=\"discuss_forumBreadcrumbsToTop\">" . i18n("Forum home") . "</a> &raquo;
00386                                                         {$this->title}
00387                                                         </span><span
00388                                                 class=\"discuss_Navigator\">&nbsp;
00389                                                 $rendered_navigator
00390                                         </span>
00391                                         <div class=\"discuss_forumHeader\"><span
00392                                                 class=\"discuss_forumTitle\">{$this->title}</span><span
00393                                                 class=\"discuss_forumDescription\">{$this->description}
00394                                         </span></div>
00395                                         <div class=\"discuss_forumCommands\">
00396                                                 " . $subscriptions->renderSubscribeControl( $this->globalID, false, " discussSubscribeControl" ) . "$postControl
00397                                         </div>";
00398                                 // Render threads in whatever limit imposed by pagination
00399                                 if( $this->threadsCount > 0 )
00400                                 {
00401                                         /*$keyBegin = 0;
00402                                         $keyEnd = endKey($this->threads);
00403                                         for( $i = $keyBegin; $i <= $keyEnd; $i++ )*/
00404                                         foreach( $this->threads as $i => $thread )
00405                                                 $rendered_content .= $this->threads[$i]->renderBlock();
00406                                 }
00407                                 else if( $this->userCanPost() )
00408                                         $rendered_content .= renderInformationBox(
00409                                                         i18n("This forum is empty"),
00410                                                         i18n("This is where you would see the threads, if this forum contained any. If you want to be the first person to create a thread in here, ##0##please click here##1## and start filling out the form!", array( "<a href=\"" . thisPageURL( false, true, array( "discuss_newThread" => "true" ) ) . "\">", "</a>" ) )
00411                                                 );
00412                                 else
00413                                         $rendered_content .= renderInformationBox( i18n("This forum is empty"), i18n("This is where you would see the threads, if this forum contained any.") );
00414                                 
00415                                 return $rendered_content;
00416                         }
00417                 }
00418                 else
00419                         return "";
00420         }
00421 }
00422 ?>