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465 lines
18 KiB
465 lines
18 KiB
<?php if (!defined('PmWiki')) exit();
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/*
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Generate exercises based on wiki content and its structure
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exercises idea to implement (cf http://fabien.benetou.fr/Cookbook/Cognition#DailyExercisesFeed )
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random type is not implemented properly enough for score tracking
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e.g. highest score from random appear as other exercise
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after 1 random exercise, going back to the same type of the last picked exercise
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which of those group corresponds the graph visualization V, A, B or C?
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using groupnetworkvisualization.php
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what is the correct order for pages A, B and C on descending criteria i A>B>C? A>C>B? B>C>A? B>A>C? C>B>A? C>A>B?
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e.g. size, frequency update, last edition, ...
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what is the color hashing used in RevertedPIM for this group, color A, B or C?
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might require JS
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keyword or URL in pages
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definition of word and vice versa
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limited to pages with definitions (e.g. some languages)
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list lines with "* word = definition"
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split word and definition
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pick one and display the other with alternatives
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extend type=pagehasexpression
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difficulty parameter
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should be linked to the counter
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e.g. increasing the number of possibilities (at least 1 out of 5 pages instead of at least 1 out of 3)
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see the hall of fame to see which exercise are the easiest
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do a graph traversal rather than random jumps
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i.e. if pick randomly from the linked pages or from the group or from the the whole wiki of the previous page
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consider https://research.cc.gatech.edu/inc/game-forge
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improve parsing
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discard more pages
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structuring e.g. PmWiki. , RecentChanges, GroupFooter, GroupHeader, Template, ...
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page with just one line, especially markups, typically redirections
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support other interfaces
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e.g. http://www.cs.cmu.edu/~listen/ listed in Content/Education#SeeAlso
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Vimperator with predictable link numbers to go faster
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track time require for answering each question
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display a clock
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could improve excitment, e.g. answer the maximum number of questions correctly in X minutes
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implemented
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is word X from page A, B, C or D? (type=expressioninpage)
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does page A contains word X, Y or Z? (type=pagehasexpression)
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which of those page corresponds the updates visualization V, A, B or C? (type=historyvisualization)
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is page A linked to page B? (type=pagelink)
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*/
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$RecipeInfo['Exercises']['Version'] = '2015-16-08';
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SDV($HandleActions['Exercises'], 'Exercises');
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SDV($HandleAuth['Exercises'],'read');
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function Exercises($pagename, $auth){
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global $ScriptUrl, $FarmD;
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$type = $_GET["type"];
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$counter = (int) $_GET["counter"];
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$difficulty = (int) $_GET["difficulty"];
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list($group,$page) = explode(".",$pagename);
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$availableexercisetypes = array("pagelink", "expressioninpage", "pagehasexpression");
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if (file_exists($FarmD."/pub/visualization/edits_per_page/" ))
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//the pim_functions.php generated the PJS has been loaded before
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$availableexercisetypes[] = "historyvisualization";
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if ($type=="random" || $type=="") {
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$type= $availableexercisetypes[array_rand($availableexercisetypes)];
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$random=true;
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}
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$result = "";
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$verbatimresult = "";
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$n=3;
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// n should be based on $difficulty, e.g. n=2+$difficulty or n=2^$difficulty
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// it used to determine the number of false answers
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// it can be overwritten per each exercise
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$minlinelength = 20;
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// this could also be consider a difficulty, the shorter the harder
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// it can be overwritten per each exercise
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// tracking the current score
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$counterparam = "";
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if ( $counter > 0) {
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$counterparam = "counter=$counter&";
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}
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if ($group == "AllPages"){
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// equivalent to getting ALL pages
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$pages = ListPages();
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} else {
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$pages = ListPages("/$group\./e");
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}
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//randomly pick a page in the possible pages
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$sourcepage = $pages[array_rand($pages)];
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unset($pages[array_search($sourcepage,$pages)]);
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switch ($type){
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case "pagelink":
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$content = ReadPage($sourcepage,READPAGE_CURRENT);
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$links = $content["targets"];
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$links_array = explode(",",$links);
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//note that count($links_array)<1) was not used since explode returned an array with en empty value
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while (($links_array[0]=="") && (count($pages)>0)) {
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$sourcepage = $pages[array_rand($pages)];
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unset($pages[array_search($sourcepage,$pages)]);
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$content = ReadPage($sourcepage,READPAGE_CURRENT);
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$links = $content["targets"];
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$links_array = explode(",",$links);
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}
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if ($links_array[0]=="") {
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$result .= "Unfortunately it seems no suitable page has been found for this game. ";
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$result .= "Try in another group or [[AllPages/AllPages?action=Exercises&type=$type&counter=$counter|in the entire wiki]].";
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break;
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}
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//randomly pick a page amongst the linked pages
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$answers[] = $links_array[array_rand($links_array)];
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unset($pages[array_search($answers[0],$links_array)]);
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unset($pages[array_search($answers[0],$pages)]);
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//randomly pick n-1 others pages which may not be amongst the list of linked page
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for ($i=1;$i<$n;$i++) {
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$answers[] = $pages[array_rand($pages)];
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unset($pages[array_search($answers[$i],$pages)]);
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}
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//display
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$result .="Is page [[$sourcepage]] linked to ";
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// there should now be at least 1 needle in the haystack, the first one
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// note that there might be more but this is not a problem as long as the question is stated clearly.
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shuffle($answers);
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for ($i=0;$i<count($answers);$i++) {
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if ( $i == count($answers) -1 )
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$result .= " or ";
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$currentpage = $answers[$i];
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//display the groupname everytime only if using AllPages
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if ($group != "AllPages")
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list($currentgroup,$currentpage) = explode(".",$answers[$i]);
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$result .="[[$pagename?action=ExercisesCheck&".$counterparam
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."type=$type&source=$sourcepage&answer=".$answers[$i]."|".$currentpage."]], ";
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}
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$result .="? ";
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$result .="\n\nClick on the answer.";
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break;
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case "historyvisualization":
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$processingpath = "$ScriptUrl/pub/libraries/processing.js";
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$processinglib = "<script src=\"$processingpath\" type=\"text/javascript\"></script>";
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$processingfile = "$ScriptUrl/pub/visualization/edits_per_page/$sourcepage.pjs";
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// TODO if it does not exist, pick another page, adapt code above
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$answers[] = $sourcepage;
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//randomly pick n-1 others pages which may not be amongst the list of linked page
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for ($i=1;$i<$n;$i++) {
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$answers[] = $pages[array_rand($pages)];
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unset($pages[array_search($answers[$i],$pages)]);
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}
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//display
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$historyvisualization = $processinglib.'<canvas data-src="'.$processingfile.'"></canvas>';
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$verbatimresult = $historyvisualization;
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$result .="Which of those page corresponds the updates visualization:";
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// note that there might be more than 1 correct answer but this is not a problem as long as the question is stated clearly.
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shuffle($answers);
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for ($i=0;$i<count($answers);$i++) {
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if ( $i == count($answers) -1 )
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$result .= " or ";
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//display the groupname everytime only if using AllPages
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$currentpage = $answers[$i];
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if ($group != "AllPages")
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list($currentgroup,$currentpage) = explode(".",$answers[$i]);
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$result .="[[$pagename?action=ExercisesCheck&".$counterparam
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."type=$type&source=$sourcepage&answer=".md5($answers[$i])."|".$currentpage."]], ";
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}
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$result .="? ";
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$result .="\n\nClick on the answer.";
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break;
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case "pagehasexpression":
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$content = ReadPage($sourcepage,READPAGE_CURRENT);
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$text = $content["text"];
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$lines = explode("\n",$text);
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$pickedline = $lines[array_rand($lines)];
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unset($lines[array_search($pickedline,$lines)]);
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//should be better parsed! e.g. remove markups
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//pregreplace("/(:.*:)/","",$pickedline);
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while (( strlen($pickedline) < $minlinelength ) && ( count($lines) > 0 ) ) {
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$pickedline = $lines[array_rand($lines)];
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//pregreplace("/(:.*:)/","",$pickedline);
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unset($lines[array_search($pickedline,$lines)]);
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}
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$actualanswer = $pickedline;
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$answers[] = $pickedline;
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for ($i=1;$i<$n;$i++) {
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$otherpage = $pages[array_rand($lines)];
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$otherpage = $pages[array_rand($pages)];
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unset($pages[array_search($otherpage,$pages)]);
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$content = ReadPage($otherpage,READPAGE_CURRENT);
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$text = $content["text"];
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$lines = explode("\n",$text);
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$pickedline = $lines[array_rand($lines)];
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unset($lines[array_search($pickedline,$lines)]);
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while (( strlen($pickedline) < $minlinelength ) && ( count($lines) > 0 ) ) {
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$pickedline = $lines[array_rand($lines)];
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unset($lines[array_search($pickedline,$lines)]);
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}
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$answers[] = $pickedline;
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}
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//display
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$result .= "Does the page [[$sourcepage]] has expression ";
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shuffle($answers);
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for ($i=0;$i<$n;$i++) {
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if ($answers[$i]==$actualanswer)
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$hashedanswer = md5($sourcepage);
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else
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$hashedanswer = md5($answers[$i]);
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// hashing the answer, NOT the page, but only used to hide so should not be problematic
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$result .="\n* [[$pagename?action=ExercisesCheck&".$counterparam
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."type=$type&source=$sourcepage&answer=$hashedanswer|$i]] [@".$answers[$i]."@] ";
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}
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$result .="\n\nClick on the answer.";
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break;
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case "expressioninpage":
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$content = ReadPage($sourcepage,READPAGE_CURRENT);
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$text = $content["text"];
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$lines = explode("\n",$text);
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$pickedline = $lines[array_rand($lines)];
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unset($lines[array_search($pickedline,$lines)]);
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while (( strlen($pickedline) < $minlinelength ) && ( count($lines) > 0 ) ) {
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$pickedline = $lines[array_rand($lines)];
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unset($lines[array_search($pickedline,$lines)]);
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}
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$answers[] = $sourcepage;
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//randomly pick n-1 others pages which may not be amongst the list of linked page
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for ($i=1;$i<$n;$i++) {
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$otherpage = $pages[array_rand($pages)];
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unset($pages[array_search($otherpage,$pages)]);
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$answers[] = $otherpage;
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}
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//display
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$result .= "Does the page expression \n* [@$pickedline@] \n\nbelongs to ";
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// there should now be at least 1 needle in the haystack, the first one
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// note that there might be more but this is not a problem as long as the question is stated clearly.
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shuffle($answers);
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for ($i=0;$i<$n;$i++) {
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$hashedanswer = md5($answers[$i]);
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if ( $i == count($answers) -1 )
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$result .= " or ";
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$result .="[[$pagename?action=ExercisesCheck&".$counterparam
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."type=$type&source=$sourcepage&answer=$hashedanswer|".$answers[$i]."]], ";
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}
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$result .="?\n\nClick on the answer.";
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// explode content by line "%0a" or word " "
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break;
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default:
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$result .= "Exercise type unknown.";
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}
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unset($availableexercisetypes[array_search($type,$availableexercisetypes)]);
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if (count($availableexercisetypes) > 0) {
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$result .= "\n\nTry other types of exercises:";
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foreach ($availableexercisetypes as $e) {
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$result .= " [[$pagename?action=Exercises&type=$e|$e]],";
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}
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$result .= " or a [[$pagename?action=Exercises&type=random|random]] one.";
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if ( $counter > 0) {
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$result .= " (note that it resets the counter)";
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}
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}
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$result .= "\n\n%center%[-Generated by [[http://fabien.benetou.fr/MemoryRecalls/ImprovingPIM#PIMBasedExercises|PIM Based Exercises]].-]%%";
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$renderedresult = MarkupToHTML($pagename, $result);
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print "<html>".$verbatimresult.$renderedresult."</html>";
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//$text = RetrieveAuthSection($pagename,$auth);
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//$content = MarkupToHTML($pagename, $text);
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//print $content;
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}
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SDV($HandleActions['ExercisesCheck'], 'ExercisesCheck');
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SDV($HandleAuth['ExercisesCheck'],'read');
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function ExercisesCheck($pagename, $auth){
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global $ScriptUrl, $FarmD, $Author;
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$activityfile = $FarmD."/wiki.d/.exercisesscores";
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$type = $_GET["type"];
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$sourcepage = $_GET["source"];
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$answer = $_GET["answer"];
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$counter = 0;
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if ( isset($_GET["counter"]) )
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$counter = (int) $_GET["counter"];
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$score_lower_threshold = 3;
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// this could also be a value relative to the top score if there is one
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list($group,$page) = explode(".",$pagename);
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if ($group == "AllPages"){
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// equivalent to getting ALL pages
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$pages = ListPages();
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} else {
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$pages = ListPages("/$group\./e");
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}
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$result = "";
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$verbatimresult = "";
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switch ($type) {
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case "pagelink":
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$content = ReadPage($sourcepage,READPAGE_CURRENT);
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$links = $content["targets"];
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$links_array = explode(",",$links);
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$formattedlinks = implode(", ",$links_array);
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if ( in_array($answer,$links_array) ) {
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$result .="Excellent! [[$sourcepage]] is indeed linked to [[$answer]]. ";
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$result .="Note that $formattedlinks also are. ";
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if ( $counter > 0) {
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$counter++;
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$result .="\n\nSee if you can [[$pagename?action=Exercises&type=$type&counter=$counter|solve yet another one]]. ";
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} else {
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$result .="\n\nSee if you can [[$pagename?action=Exercises&type=$type&counter=1|solve yet another one]]. ";
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}
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} else {
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$result .="No, [[$sourcepage]] is not linked to [[$answer]] ";
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$result .="but $formattedlinks are. ";
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if ($counter > 0){
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$result .="\nIt means you are losing your $counter points.";
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// $halloffame = ExercisesResults();
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// to add to $verbatimresult to motivate playing again
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}
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$result .="\n\nTry to redeem yourself by [[$pagename?action=Exercises&type=$type|trying another time]]. ";
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}
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break;
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case "historyvisualization":
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if ( md5($sourcepage) === $answer ) {
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$result .="Excellent! [[$sourcepage]] indeed has that history of editions.";
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if ( $counter > 0) {
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$counter++;
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$result .="\n\nSee if you can [[$pagename?action=Exercises&type=$type&counter=$counter|solve yet another one]]. ";
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} else {
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$result .="\n\nSee if you can [[$pagename?action=Exercises&type=$type&counter=1|solve yet another one]]. ";
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}
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} else {
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$result .="No, it was the visualization of [[$sourcepage]] history of editions.";
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// display it again
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if ($counter > 0) $result .="\nIt means you are losing your $counter points.";
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$result .="\n\nTry to redeem yourself by [[$pagename?action=Exercises&type=$type|trying another time]]. ";
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}
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break;
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case "pagehasexpression":
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// XXX does not work
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if ( md5($sourcepage) === $answer ) {
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$result .="Excellent! [[$sourcepage]] indeed has that expression.";
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if ( $counter > 0) {
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$counter++;
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$result .="\n\nSee if you can [[$pagename?action=Exercises&type=$type&counter=$counter|solve yet another one]]. ";
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} else {
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$result .="\n\nSee if you can [[$pagename?action=Exercises&type=$type&counter=1|solve yet another one]]. ";
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}
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} else {
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$result .="No, it was the expression of [[$sourcepage]].";
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// display it again
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if ($counter > 0) $result .="\nIt means you are losing your $counter points.";
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$result .="\n\nTry to redeem yourself by [[$pagename?action=Exercises&type=$type|trying another time]]. ";
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}
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break;
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case "expressioninpage":
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if ( md5($sourcepage) === $answer ) {
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$result .="Excellent! that expression did come from [[$sourcepage]].";
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if ( $counter > 0) {
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$counter++;
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$result .="\n\nSee if you can [[$pagename?action=Exercises&type=$type&counter=$counter|solve yet another one]]. ";
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} else {
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$result .="\n\nSee if you can [[$pagename?action=Exercises&type=$type&counter=1|solve yet another one]]. ";
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}
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} else {
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$result .="No, [[$sourcepage]] was the page that expression came from.";
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// display it again
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if ($counter > 0) $result .="\nIt means you are losing your $counter points.";
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$result .="\n\nTry to redeem yourself by [[$pagename?action=Exercises&type=$type|trying another time]]. ";
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}
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break;
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default:
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$result .= "Exercise type unknown, this most likely indicate that the checking for the solution has not yet been implemented, please consider notifying the author. For now try [[$pagename?action=Exercises&type=random|a random type of exercise]].";
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}
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$result .= "\n\n%center%[-Generated by [[http://fabien.benetou.fr/MemoryRecalls/ImprovingPIM#PIMBasedExercises|PIM Based Exercises]].-]%%";
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$renderedresult = MarkupToHTML($pagename, $result);
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print $renderedresult.$verbatimresult;
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if ( ( isset($Author) ) && ( $counter > $score_lower_threshold ) ) {
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$score = "$counter,$Author,$type,".time()."\n";
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$write_result = file_put_contents($activityfile,$score, FILE_APPEND | LOCK_EX);
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if ($write_result < 1)
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print "There seems to be an error updating the score file, please check that $activityfile has write permission for httpd.";
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}
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}
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Markup("exercisesresults", "directives", "/\(:exercisesresults:\)/", ExercisesResults());
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# markup to display results
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# default to all participant, not just the currently logged in user
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# hall of fame could be useful in collaborative learning wikis
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# consider first sparklines for visuals
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# remove failed before top score, try to group sessions and avoid results for the same
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function ExercisesResults(){
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global $ScriptUrl, $FarmD, $Author;
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$availableexercisetypes = array("pagelink", "expressioninpage", "pagehasexpression", "historyvisualization");
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$activityfile = $FarmD."/wiki.d/.exercisesscores";
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if (file_exists($activityfile)) {
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$raw_scores = file_get_contents($activityfile);
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$allscores = explode("\n",$raw_scores);
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rsort($allscores,SORT_NUMERIC);
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//dirty, but array_filter with an lambda to test for current exercise didn't work
|
|
foreach ($allscores as $score ) {
|
|
list($counter,$author,$type,$time) = explode(",",$score);
|
|
if ($counter.$author.$type.$time != "")
|
|
$structuredanswers[] = array("counter"=>$counter,"author"=>$author,"type"=>$type,"time"=>$time);
|
|
}
|
|
// could instead filter by exercise and sort by highest score, listing the top3 score per per exercise
|
|
$past_scores .= "<table><tr>";
|
|
foreach ($availableexercisetypes as $exercisetype){
|
|
$past_scores .= "<td><a href=\"?action=Exercises&type=$exercisetype\">$exercisetype</a></td>";
|
|
}
|
|
$past_scores .= "</tr><tr>";
|
|
foreach ($availableexercisetypes as $exercisetype){
|
|
$past_scores .= "<td valign=\"top\">";
|
|
$answers_added = 1;
|
|
foreach ($structuredanswers as $sa){
|
|
if ($sa["type"]==$exercisetype && $answers_added<4){
|
|
$past_scores .= "".$sa["counter"]." done by ".$sa["author"]." (".date("H:m m/d/y",$sa["time"]).")<br/>";
|
|
$answers_added++;
|
|
}
|
|
}
|
|
$past_scores .= "</td>";
|
|
}
|
|
$past_scores .= "</tr></table>";
|
|
} else {
|
|
$past_scores = "Currently no scores have been recorded. Consider starting an exercise first";
|
|
// print "Go above the minimum threshold of good answers while being logged in.";
|
|
// removed for now since the threshold is at 1
|
|
}
|
|
return $past_scores;
|
|
}
|
|
|
|
?>
|
|
|