....................................../////.===Shadow-Here===./////................................................ > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < ------------------------------------------------------------------------------------------------------------------- /////////////////////////////////////////////////////////////////////////////////////////////////////////////////// RIFF¤ WEBPVP8 ˜ ðÑ *ôô>‘HŸK¥¤"§£±¨àð enü¹%½_F‘åè¿2ºQú³íªú`N¿­3ÿƒügµJžaÿ¯ÿ°~¼ÎùnúîÞÖô•òíôÁÉß®Sm¥Ü/ ‡ó˜f£Ùà<˜„xëJ¢Ù€SO3x<ªÔ©4¿+ç¶A`q@Ì“Úñè™ÍÿJÌ´ª-˜ÆtÊÛL]Ïq*‘Ý”ì#ŸÌÏãY]@ê`¿ /ªfkØB4·®£ó z—Üw¥Pxù–ÞLШKÇN¾AkÙTf½è'‰g gÆv›Øuh~ a˜Z— ïj*á¥t d£“uÒ ¨`K˜¹ßþ]b>˜]_ÏÔ6W—è2r4x•íÖ…"ƒÖNîä!¦å Ú}ýxGøÌ —@ ;ÆÚŠ=ɾ1ý8lªË¥ô ^yf®Œ¢u&2©nÙÇ›ñÂñŒ³ aPo['½»øFùà­+4ê“$!lövlüÞ=;N®3ð‚õ›DÉKòÞ>ÄÍ ¥ˆuߤ#ˆ$6ù™¥îŠ‡y’ÍB¼ çxÛ;X"WL£R÷͝*ó-¶Zu}º.s¸sšXqù–DþÿvªhüïwyŸ ¯é³lÀ:KCûÄ£Ëá\…­ ~—ýóî ¼ûûÜTÓüÇy…ŽÆvc»¾×U ñ¸žþоP÷¦ó:Ò¨¨5;Ð#&#ÖúñläÿÁœ GxÉ­/ñ‡áQðìYÉtÒwŽ¼GÔ´zàÒò ð*ëzƒ•4~H]Ø‹f ñÓÈñ`NåWçs'ÆÏW^ø¹!XžµmQ5ÃËoLœÎ: ÞËÍ¥J ù…î èo£ßPÎñ¶ž8.Œ]ʵ~5›ÙË-ù*8ÙÖß±~ ©¹rÓê‚j¶d¸{^Q'˜±Crß ÚH—#¥¥QlÀ×ëã‡DÜ«èî þ&Çæžî;ŽÏºò6ÒLÃXy&ZŒ'j‚¢Ù€IßÚù+–MGi‰*jE€‘JcÜ ÓÌ EÏÚj]o˜ Þr <¾U ûŪæÍ/šÝH¥˜b”¼ ÁñßX GP›ï2›4WŠÏà×£…íÓk†¦H·ÅíMh–*nó÷à]ÁjCº€b7<ب‹¨5車bp2:Á[UªM„QŒçiNMa#<5›áËó¸HýÊ"…×Éw¹¦ì2º–x<›»a±¸3Weü®FÝ⑱ö–î–³|LPÈ~çð~Çå‡|º kD¢µÏàÆAI %1À% ¹Ò – ”ϝS¦‰4&¶£°à Öý”û_Ò Áw°A«Å€?mÇÛgHÉ/8)á¾ÛìáöŽP í¨PŸNÙµº¦‡§Ùš"ÿ«>+ªÕ`Ê÷‡‚ß Õû˜þãÇ-PÍ.¾XV‘€ dÜ"þ4¹ ±Oú‘©t¥¦FªÄÃÄ•b‚znýu½—#cDs˜ÃiÑOˆñ×QO=*IAÊ,¶ŽZƒ;‡wøXè%EÐk:F±Ú” .Ѽ+Áu&Ç`."pÈÉw o&¿dE6‘’EqTuK@Ì¥ã™À(Êk(h‰,H}RÀIXÛš3µ1©_OqÚÒJAñ$ÊÙÜ;D3çŒ[þùœh¬Ã³™ö6ç†NY".Ú‰ï[ªŸŒ '²Ð öø_¨ÂÉ9u鶳ÒŠõTàîMØ#û¯gN‡bÙ놚X„ö …ÉeüÌ^J ‹€.œ$Æ)βÄeæW#óüßĺŸ€ ÀzwV 9oä»f4V*uB «Ë†¹ì¯žR霓æHXa=&“I4K;¯ç‹h×·"UŠ~<•â•ªVêª&ÍSÃÆÅ?ÔqÎ*mTM ˜›µwêd#[C¡©§‘D<©àb†–ÁœøvH/,í:¯( ²£|4-„Æövv„Yͼ™^Á$ˆ„¢Û[6yB.åH*V¨æ?$=˜Ñ€•î¦ñ·­(VlŸ‘ nÀt8W÷´Bûba?q9ú¶Xƒl«ÿ\ù¶’þòUÐj/õ¢Ìµ³g$ƒÎR!¸»|Oߍë’BhîÚÑ¢ñåŒJ„®„£2Ð3•ô02Nt…!£Í]Ïc½Qÿ?ˆ<&ÃA¾Ú,JˆijÌ#5yz„‰Î|ÊŽ5QÏ:‹ÐaóVÔxW—CpeÏzÐïíçôÿÅ_[hãsÐ_/ŽTÝ?BîˆííV$<¿i>²F¬_Eß¿ †bÊŒº­ÿ®Z H“C}”¬,Mp ý/Bá£w>˜YV°aƒúh+cŠ- r/[%|üUMHäQ°X»|û/@|°¥Ð !BÔ Ç¢Ä©š+Õì D«7ìN¶ŽðÔ " ƶ’ÖçtA‰Û×}{tþz­¾GÍ›k¹OEJR$ Â׃ «ëÁ"oÉôž$oUK(Ä)Ãz³Ê-‹êN[Ò3Œñbï8P 4ƒ×q¢bo|?<ÛX¬òÄÍ°L–±›(™ûG?ýË©ÚÄ–ÂDØÐ_Ç¡ô ¾–ÄÏø ×e8Ë©$ÄF¹Å‹ì[©óìl:F¾f´‹‹Xì²ï®\¬ôùƒ ÿat¥óèÒùHß0äe‚;ü×h:ÆWðHž=Ã8骣"kœ'Y?³}Tûè€>?0l›e1Lòñ„aæKÆw…hÖŠùW…ÈÆÄ0ši·›[pcwËþñiêíY/~-Á5˜!¿†A›™Mÿþ(±“t@â“ö2­´TG5yé]çå僳 .·ÍïçÝ7UÚ±Ð/Nè»,_Ï ùdj7\ï Wì4›„»c¸àešg#ÒÊ⥭áØo5‘?ÌdÝô¯ ¹kzsƒ=´#ëÉK›Ø´±-¥eW?‡çßtòTã…$Ý+qÿ±ƒ÷_3Ô¥í÷:æ–ž<·Ö‡‰Å¢ š‡%Ô—utÌÈìðžgÖÀz²À—ï÷Óîäõ{K'´È÷³yaÏÁjƒô}ž§®æÊydÕÈë5¯èˆõvÕ©ã*çD„ “z„Ó‡^^xÂ3M§A´JG‚öï 3W'ˆ.OvXè¡ÊÕª?5º7†˜(˜Ç¶#çê’¶!ÌdZK§æ 0fãaN]òY³RV ™î$®K2R¨`W!1Ôó\;Ý ýB%qæK•&ÓÈe9È0êI±žeŸß -ú@žQr¦ ö4»M¼Áè¹µmw 9 EÆE_°2ó„ŸXKWÁ×Hóì^´²GѝF©óäR†¦‰ç"V»eØ<3ùd3ÿÚ¤Žú“Gi" —‘_ÙËÎ~Üö¯¥½Î»üŸEÚŽåmÞþí ;ÞólËΦMzA"Âf(´òá;Éï(/7½ûñÌ­cïÕçлþÝz¾-ÍvÑ“pH­–ðÓj$¸Äû¤‚‘ãUBË-n“2åPkS5&‹Â|+g^œ®Ì͆d!OïäîU«c;{Û!ÅŽ«ëZ9Ókóˆ]¯ƒ›né `ÇÒ+tÆš (ØKá¾—=3œ®•vuMñg²\ï Ec€ 05±d™‡×iÇ×›UúvÌ¢£Èþ¡ÕØô¶ßÎA"ß±#Ö²ˆÊŸ¦*Ä~ij|àø.-¼'»Ú¥£h ofº¦‡VsR=N½„Î v˜Z*SÌ{=jÑB‹tê…;’HžH¯8–îDù8ñ¢|Q•bÛçš–‹m³“ê¨ åÏ^m¬Žãþ©ïêO‡½6] µÆ„Ooòü ²x}N¦Ë3ïé¿»€›HA˜m%çÞ/¿í7Fø“‹léUk)É°Œµ8Q8›:ÀŠeT*šõ~ôڝG6 ¢}`ùH­–”¡k ‰P1>š†®9z11!X wKfmÁ¦xÑ,N1Q”–æB¶M…ÒÃv6SMˆhU¬ÊPŽï‘öj=·CŒ¯u¹ƒVIЃsx4’ömÛýc塶7ßŠß 57^\wÒÐÆ k§h,Œý î«q^R½3]J¸ÇðN ‚çU¬ôº^Áì} ³f©Õœ§ˆã:FÄÈ‚é(€™?àýÓüè1Gô£¼éj‚OÅñ  #>×—ßtà 0G¥Åa뀐kßhc™À_ÉñÞ#±)GD" YîäË-ÿÙ̪ ¹™a¯´¢E\ÝÒö‚;™„ë]_ p8‰o¡ñ+^÷ 3‘'dT4œŽ ðVë½° :¬víÑ«£tßÚS-3¶“þ2 †üüʨòrš¹M{É_¤`Û¨0ìjœøJ‡:÷ÃáZ˜†@GP&œÑDGÏs¡þ¦þDGú‘1Yá9Ôþ¼ ûø…§÷8&–ÜÑnÄ_m®^üÆ`;ÉVÁJ£?â€-ßê}suÍ2sõA NÌúA磸‘îÿÚ»ƒìö·á¿±tÑÐ"Tÿü˜[@/äj¬€uüªìù¥Ý˜á8Ý´sõj 8@rˆð äþZÇD®ÿUÏ2ùôõrBzÆÏÞž>Ì™xœ“ wiÎ×7_… ¸ \#€MɁV¶¥üÕÿPÔ9Z‡ø§É8#H:ƒ5ÀÝå9ÍIŒ5åKÙŠ÷qÄ>1AÈøžj"µÂд/ªnÀ qªã}"iŸBå˜ÓÛŽ¦…&ݧ;G@—³b¯“•"´4í¨ôM¨åñC‹ïùÉó¯ÓsSH2Ý@ßáM‡ˆKÀªÛUeø/4\gnm¥‹ŸŒ qÄ b9ÞwÒNÏ_4Ég³ú=܆‚´ •â¥õeíþkjz>éÚyU«Íӝ݃6"8/ø{=Ô¢»G¥ äUw°W«,ô—¿ãㆅү¢³xŠUû™yŒ (øSópÐ 9\åTâ»—*oG$/×ÍT†Y¿1¤Þ¢_‡ ¼ „±ÍçèSaÓ 3ÛMÁBkxs‰’R/¡¤ˆÙçª(*õ„üXÌ´ƒ E§´¬EF"Ù”R/ÐNyÆÂ^°?™6¡œïJ·±$§?º>ÖüœcNÌù¯G ‹ñ2ŠBB„^·úìaz¨k:#¨Æ¨8LÎõލ£^§S&cŒÐU€ü(‡F±Š¼&P>8ÙÁ ‰ p5?0ÊƃZl¸aô š¼¡}gÿ¶zÆC²¹¬ÎÖG*HB¡O<º2#ñŒAƒ–¡B˜´É$¥›É:FÀÔx¾u?XÜÏÓvN©RS{2ʈãk9rmP¼Qq̳ è¼ÐFׄ^¡Öì fE“F4A…!ì/…¦Lƒ… … $%´¾yã@CI¬ á—3PþBÏNÿ<ý°4Ü ËÃ#ØÍ~âW«rEñw‹eùMMHß²`¬Öó½íf³:‹k˜¯÷}Z!ã¿<¥,\#öµÀ¯aÒNÆIé,Ћ–lŽ#Àæ9ÀÒS·I’½-Ïp Äz¤Š Â* ­íÄ9­< h>׍3ZkËU¹§˜ŒŠ±f­’¤º³Q ÏB?‹#µíÃ¥®@(Gs«†vI¥Mµ‹Á©e~2ú³ÁP4ìÕi‚²Ê^ö@-DþÓàlÜOÍ]n"µã:žpsŽ¢:! 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Current File : /var/www/html/formation/lib/filebrowser/file_info_context_coursecat.php
<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.


/**
 * Utility class for browsing of curse category files.
 *
 * @package    core_files
 * @copyright  2008 Petr Skoda (http://skodak.org)
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

defined('MOODLE_INTERNAL') || die();

/**
 * Represents a course category context in the tree navigated by {@link file_browser}.
 *
 * @package    core_files
 * @copyright  2008 Petr Skoda (http://skodak.org)
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
class file_info_context_coursecat extends file_info {
    /** @var stdClass Category object */
    protected $category;

    /**
     * Constructor
     *
     * @param file_browser $browser file browser instance
     * @param stdClass $context context object
     * @param stdClass $category category object
     */
    public function __construct($browser, $context, $category) {
        parent::__construct($browser, $context);
        $this->category = $category;
    }

    /**
     * Return information about this specific context level
     *
     * @param string $component component
     * @param string $filearea file area
     * @param int $itemid item ID
     * @param string $filepath file path
     * @param string $filename file name
     * @return fileinfo|null
     */
    public function get_file_info($component, $filearea, $itemid, $filepath, $filename) {
        global $DB;

        if (!core_course_category::can_view_category($this->category)) {
            if (empty($component)) {
                // we can not list the category contents, so try parent, or top system
                if ($this->category->parent and $pc = $DB->get_record('course_categories', array('id'=>$this->category->parent))) {
                    $parent = context_coursecat::instance($pc->id, IGNORE_MISSING);
                    return $this->browser->get_file_info($parent);
                } else {
                    return $this->browser->get_file_info();
                }
            }
            return null;
        }

        if (empty($component)) {
            return $this;
        }

        $methodname = "get_area_{$component}_{$filearea}";
        if (method_exists($this, $methodname)) {
            return $this->$methodname($itemid, $filepath, $filename);
        }

        return null;
    }

    /**
     * Return a file from course category description area
     *
     * @param int $itemid item ID
     * @param string $filepath file path
     * @param string $filename file name
     * @return fileinfo|null
     */
    protected function get_area_coursecat_description($itemid, $filepath, $filename) {
        global $CFG;

        if (!$this->category->id) {
            // No coursecat description area for "system".
            return null;
        }
        if (!core_course_category::can_view_category($this->category)) {
            return null;
        }
        if (!has_capability('moodle/category:manage', $this->context)) {
            return null;
        }

        if (is_null($itemid)) {
            return $this;
        }

        $fs = get_file_storage();

        $filepath = is_null($filepath) ? '/' : $filepath;
        $filename = is_null($filename) ? '.' : $filename;
        $urlbase = $CFG->wwwroot.'/pluginfile.php';
        if (!$storedfile = $fs->get_file($this->context->id, 'coursecat', 'description', 0, $filepath, $filename)) {
            if ($filepath === '/' and $filename === '.') {
                $storedfile = new virtual_root_file($this->context->id, 'coursecat', 'description', 0);
            } else {
                // not found
                return null;
            }
        }

        return new file_info_stored($this->browser, $this->context, $storedfile, $urlbase, get_string('areacategoryintro', 'repository'), false, true, true, false);
    }

    /**
     * Returns localised visible name.
     *
     * @return string
     */
    public function get_visible_name() {
        return format_string($this->category->name, true, array('context'=>$this->context));
    }

    /**
     * Whether or not new files or directories can be added
     *
     * @return bool
     */
    public function is_writable() {
        return false;
    }

    /**
     * Whether or not this is a directory
     *
     * @return bool
     */
    public function is_directory() {
        return true;
    }

    /**
     * Returns list of children.
     *
     * @return array of file_info instances
     */
    public function get_children() {
        $children = array();

        if ($child = $this->get_area_coursecat_description(0, '/', '.')) {
            $children[] = $child;
        }

        list($coursecats, $hiddencats) = $this->get_categories();
        foreach ($coursecats as $category) {
            $context = context_coursecat::instance($category->id);
            $children[] = new self($this->browser, $context, $category);
        }

        $courses = $this->get_courses($hiddencats);
        foreach ($courses as $course) {
            $children[] = $this->get_child_course($course);
        }

        return array_filter($children);
    }

    /**
     * List of courses in this category and in hidden subcategories
     *
     * @param array $hiddencats list of categories that are hidden from current user and returned by {@link get_categories()}
     * @return array list of courses
     */
    protected function get_courses($hiddencats) {
        global $DB, $CFG;
        require_once($CFG->libdir.'/modinfolib.php');

        // Let's retrieve only minimum number of fields from course table -
        // what is needed to check access or call get_fast_modinfo().
        $coursefields = array_merge(['id', 'visible', 'sortorder'], \course_modinfo::$cachedfields);
        $fields = 'c.' . join(',c.', $coursefields) . ', ' .
            \context_helper::get_preload_record_columns_sql('ctx');

        // First statement uses only category.
        $sql1 = "SELECT $fields
                   FROM {course} c
                   JOIN {context} ctx ON (ctx.instanceid = c.id) AND (ctx.contextlevel = :contextlevel1)
                  WHERE c.category = :categoryid";

        $params = ['categoryid' => $this->category->id, 'contextlevel1' => CONTEXT_COURSE];

        if (empty($hiddencats)) {
            return $DB->get_records_sql($sql1, $params);
        }

        // Second statement uses only context paths.
        $orcond = [];
        foreach ($hiddencats as $category) {
            $catcontext = context_coursecat::instance($category->id);

            // Case- and accent-sensitive search is not necessary for paths.
            // If we do without it, this will lead to an enormous performance boost on large scale tables.
            $orcond[] = $DB->sql_like('path', ':path' . $category->id, false, false);

            $params['path' . $category->id] = $catcontext->path . '/%';
        }

        $sql2 = "SELECT $fields
                   FROM {course} c
                   JOIN {context} ctx ON (ctx.instanceid = c.id) AND (ctx.contextlevel = :contextlevel2)
                  WHERE (" . implode(' OR ', $orcond) . ")";

        $params['contextlevel2'] = CONTEXT_COURSE;

        // Combine with UNION.
        $sql = "SELECT *
                  FROM (($sql1) UNION ($sql2)) d
              ORDER BY d.sortorder";

        return $DB->get_records_sql($sql, $params);
    }

    /**
     * Finds accessible and non-accessible direct subcategories
     *
     * @return array [$coursecats, $hiddencats] - child categories that are visible to the current user and not visible
     */
    protected function get_categories() {
        global $DB;
        $fields = 'c.*, ' . context_helper::get_preload_record_columns_sql('ctx');
        $coursecats = $DB->get_records_sql('SELECT ' . $fields . ' FROM {course_categories} c
                LEFT JOIN {context} ctx ON (ctx.instanceid = c.id AND ctx.contextlevel = :contextlevel)
                WHERE c.parent = :parent ORDER BY c.sortorder',
            array('parent' => $this->category->id, 'contextlevel' => CONTEXT_COURSECAT));

        $hiddencats = [];

        foreach ($coursecats as $id => &$category) {
            context_helper::preload_from_record($category);
            if (!core_course_category::can_view_category($category)) {
                $hiddencats[$id] = $coursecats[$id];
                unset($coursecats[$id]);
            }
        }
        return [$coursecats, $hiddencats];
    }

    /**
     * Returns the file info element for a given course or null if course is not accessible
     *
     * @param stdClass $course may contain context fields for preloading
     * @return file_info_context_course|null
     */
    protected function get_child_course($course) {
        context_helper::preload_from_record($course);
        $context = context_course::instance($course->id);
        $child = new file_info_context_course($this->browser, $context, $course);
        return $child->get_file_info(null, null, null, null, null);
    }

    /**
     * Returns the number of children which are either files matching the specified extensions
     * or folders containing at least one such file.
     *
     * @param string|array $extensions, for example '*' or array('.gif','.jpg')
     * @param int $limit stop counting after at least $limit non-empty children are found
     * @return int
     */
    public function count_non_empty_children($extensions = '*', $limit = 1) {
        $cnt = 0;
        if ($child = $this->get_area_coursecat_description(0, '/', '.')) {
            $cnt += $child->count_non_empty_children($extensions) ? 1 : 0;
            if ($cnt >= $limit) {
                return $cnt;
            }
        }

        list($coursecats, $hiddencats) = $this->get_categories();
        foreach ($coursecats as $category) {
            $context = context_coursecat::instance($category->id);
            $child = new file_info_context_coursecat($this->browser, $context, $category);
            $cnt += $child->count_non_empty_children($extensions) ? 1 : 0;
            if ($cnt >= $limit) {
                return $cnt;
            }
        }

        $courses = $this->get_courses($hiddencats);
        foreach ($courses as $course) {
            if ($child = $this->get_child_course($course)) {
                $cnt += $child->count_non_empty_children($extensions) ? 1 : 0;
                if ($cnt >= $limit) {
                    return $cnt;
                }
            }
        }

        return $cnt;
    }

    /**
     * Returns parent file_info instance
     *
     * @return file_info|null fileinfo instance or null for root directory
     */
    public function get_parent() {
        $parent = $this->context->get_parent_context();
        return $this->browser->get_file_info($parent);
    }
}

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