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131 lines
4.1 KiB
131 lines
4.1 KiB
<?php
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# generate exercises based on wiki content and its structure
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#
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# still to implement (cf http://fabien.benetou.fr/Cookbook/Cognition#DailyExercisesFeed )
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# is word X from page A, B, C or D?
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# does page A contains word X, Y or Z?
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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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# which of those page corresponds the updates visualization V, A, B or C?
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# keyword or URL in pages
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# page linked to other page
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# implemented
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# is page A linked to page B?
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# consider a 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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$RecipeInfo['Exercises']['Version'] = '2011-12-08';
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$HandleActions['Exercises'] = 'Exercises';
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$HandleAuth['Exercises'] = 'read';
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function Exercises($pagename, $auth){
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$exercisetype="pagelink";
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list($group,$page) = explode(".",$pagename);
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// the pattern should be improve, e.g. remove PmWiki. , RecentChanges, GroupFooter, GroupHeader, Template, ...
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if ($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 = $pages[rand(0,count($pages))];
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// -1?
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$content = ReadPage($sourcepage,READPAGE_CURRENT);
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//$text = $content["text"];
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// to use later on for expression exercises
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$links = $content["targets"];
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$links_array = explode(",",$links);
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//$answers = array();
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//consider pilling up potential in $answers[]
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//randomly pick a page amongst the linked pages
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$pageA = $links_array[rand(0,count($links_array)-1)];
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unset($pages[array_search($pageA,$links_array)]);
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unset($pages[array_search($pageA,$pages)]);
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//randomly pick 2 others pages which are not amongst the list of linked page
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$pageB = $pages[rand(0,count($pages)-1)];
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unset($pages[array_search($pageB,$pages)]);
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$pageC = $pages[rand(0,count($pages)-1)];
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unset($pages[array_search($pageC,$pages)]);
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//display
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$result .="Is page [[$sourcepage]] linked to ";
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$counter = (int) $_GET["counter"];
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$counterparam = "";
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if ( $counter > 0) {
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$counterparam = "counter=$counter&";
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}
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$answers = array ($pageA,$pageB,$pageC);
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shuffle($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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$result .= " or ";
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$result .="[[$pagename?action=ExercisesCheck&".$counterparam."type=$exercisetype&source=$sourcepage&answer=".$answers[$i]."|".$answers[$i]."]],";
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}
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$result .="? ";
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$renderedresult = MarkupToHTML($pagename, $result);
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print $renderedresult;
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//$text = RetrieveAuthSection($pagename,$auth);
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//$content = MarkupToHTML($pagename, $text);
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//print $content;
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}
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$HandleActions['ExercisesCheck'] = 'ExercisesCheck';
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$HandleAuth['ExercisesCheck'] = 'read';
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function ExercisesCheck($pagename, $auth){
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$type = $_GET["type"];
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// assuming pagelink
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$sourcepage = $_GET["source"];
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$answer = $_GET["answer"];
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$counter = (int) $_GET["counter"];
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list($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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$content = ReadPage($sourcepage,READPAGE_CURRENT);
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$links = $content["targets"];
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$links_array = explode(",",$links);
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if ( in_array($answer,$links_array) ) {
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$result .="Excellent! [[$sourcepage]] is indeed linked to [[$answer]]. ";
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$result .="Note that $links also are. ";
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if ( $counter > 0) {
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$counter++;
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$result .="See if you can [[$pagename?action=Exercises&counter=$counter|solve yet another one]]. ";
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} else {
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$result .="See if you can [[$pagename?action=Exercises&counter=1|solve yet another one]]. ";
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}
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} else {
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$result .="No, [[$sourcepage]] is not linked to [[$answer]] ";
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$result .="but $links are. ";
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$result .="Try to redeem yourself by [[$pagename?action=Exercises|trying another time]]. ";
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}
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$renderedresult = MarkupToHTML($pagename, $result);
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print $renderedresult;
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//$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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?>
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