| Total Complexity | 48 |
| Total Lines | 447 |
| Duplicated Lines | 0 % |
| Changes | 1 | ||
| Bugs | 0 | Features | 0 |
Complex classes like CourseExport often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use CourseExport, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 20 | class CourseExport |
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| 21 | { |
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| 22 | /** |
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| 23 | * @var object |
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| 24 | */ |
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| 25 | private $course; |
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| 26 | |||
| 27 | /** |
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| 28 | * @var array<string,mixed> |
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| 29 | */ |
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| 30 | private array $courseInfo; |
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| 31 | |||
| 32 | /** |
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| 33 | * @var array<int,array<string,mixed>> |
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| 34 | */ |
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| 35 | private array $activities; |
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| 36 | |||
| 37 | /** |
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| 38 | * @param array<int,array<string,mixed>>|null $activities |
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| 39 | * |
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| 40 | * @throws Exception |
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| 41 | */ |
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| 42 | public function __construct(object $course, ?array $activities = []) |
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| 43 | { |
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| 44 | $this->course = $course; |
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| 45 | $this->courseInfo = (array) (api_get_course_info($course->code) ?? []); |
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| 46 | |||
| 47 | if (empty($this->courseInfo)) { |
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| 48 | throw new Exception('Course not found.'); |
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| 49 | } |
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| 50 | |||
| 51 | $this->activities = $activities ?? []; |
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| 52 | } |
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| 53 | |||
| 54 | /** |
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| 55 | * Export the course-related files to the appropriate directory. |
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| 56 | */ |
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| 57 | public function exportCourse(string $exportDir): void |
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| 58 | { |
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| 59 | $courseDir = $exportDir.'/course'; |
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| 60 | if (!is_dir($courseDir)) { |
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| 61 | mkdir($courseDir, api_get_permissions_for_new_directories(), true); |
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| 62 | } |
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| 63 | |||
| 64 | $this->createCourseXml($courseDir); |
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| 65 | $this->createEnrolmentsXml($this->courseInfo['enrolments'] ?? [], $courseDir); |
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| 66 | $this->createInforefXml($courseDir); |
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| 67 | $this->createRolesXml($this->courseInfo['roles'] ?? [], $courseDir); |
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| 68 | $this->createCalendarXml($this->courseInfo['calendar'] ?? [], $courseDir); |
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| 69 | $this->createCommentsXml($this->courseInfo['comments'] ?? [], $courseDir); |
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| 70 | $this->createCompetenciesXml($this->courseInfo['competencies'] ?? [], $courseDir); |
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| 71 | $this->createCompletionDefaultsXml($this->courseInfo['completiondefaults'] ?? [], $courseDir); |
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| 72 | $this->createContentBankXml($this->courseInfo['contentbank'] ?? [], $courseDir); |
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| 73 | $this->createFiltersXml($this->courseInfo['filters'] ?? [], $courseDir); |
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| 74 | } |
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| 75 | |||
| 76 | /** |
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| 77 | * Create course.xml based on the course data. |
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| 78 | */ |
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| 79 | private function createCourseXml(string $destinationDir): void |
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| 80 | { |
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| 81 | $courseId = (int) ($this->courseInfo['real_id'] ?? 0); |
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| 82 | $contextId = (int) ($this->courseInfo['real_id'] ?? 1); |
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| 83 | $shortname = (string) ($this->courseInfo['code'] ?? 'Unknown Course'); |
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| 84 | $fullname = (string) ($this->courseInfo['title'] ?? 'Unknown Fullname'); |
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| 85 | $showgrades = (int) ($this->courseInfo['showgrades'] ?? 0); |
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| 86 | $startdate = (int) ($this->courseInfo['startdate'] ?? time()); |
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| 87 | $enddate = (int) ($this->courseInfo['enddate'] ?? (time() + 31536000)); |
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| 88 | $visible = (int) ($this->courseInfo['visible'] ?? 1); |
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| 89 | $enablecompletion = (int) ($this->courseInfo['enablecompletion'] ?? 0); |
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| 90 | |||
| 91 | $xmlContent = '<?xml version="1.0" encoding="UTF-8"?>'.PHP_EOL; |
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| 92 | $xmlContent .= '<course id="'.$courseId.'" contextid="'.$contextId.'">'.PHP_EOL; |
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| 93 | $xmlContent .= ' <shortname>'.htmlspecialchars($shortname).'</shortname>'.PHP_EOL; |
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| 94 | $xmlContent .= ' <fullname>'.htmlspecialchars($fullname).'</fullname>'.PHP_EOL; |
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| 95 | $xmlContent .= ' <idnumber></idnumber>'.PHP_EOL; |
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| 96 | $xmlContent .= ' <summary></summary>'.PHP_EOL; |
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| 97 | $xmlContent .= ' <summaryformat>1</summaryformat>'.PHP_EOL; |
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| 98 | $xmlContent .= ' <format>topics</format>'.PHP_EOL; |
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| 99 | $xmlContent .= ' <showgrades>'.$showgrades.'</showgrades>'.PHP_EOL; |
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| 100 | $xmlContent .= ' <newsitems>5</newsitems>'.PHP_EOL; |
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| 101 | $xmlContent .= ' <startdate>'.$startdate.'</startdate>'.PHP_EOL; |
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| 102 | $xmlContent .= ' <enddate>'.$enddate.'</enddate>'.PHP_EOL; |
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| 103 | $xmlContent .= ' <marker>0</marker>'.PHP_EOL; |
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| 104 | $xmlContent .= ' <maxbytes>0</maxbytes>'.PHP_EOL; |
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| 105 | $xmlContent .= ' <legacyfiles>0</legacyfiles>'.PHP_EOL; |
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| 106 | $xmlContent .= ' <showreports>0</showreports>'.PHP_EOL; |
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| 107 | $xmlContent .= ' <visible>'.$visible.'</visible>'.PHP_EOL; |
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| 108 | $xmlContent .= ' <groupmode>0</groupmode>'.PHP_EOL; |
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| 109 | $xmlContent .= ' <groupmodeforce>0</groupmodeforce>'.PHP_EOL; |
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| 110 | $xmlContent .= ' <defaultgroupingid>0</defaultgroupingid>'.PHP_EOL; |
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| 111 | $xmlContent .= ' <lang></lang>'.PHP_EOL; |
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| 112 | $xmlContent .= ' <theme></theme>'.PHP_EOL; |
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| 113 | $xmlContent .= ' <timecreated>'.time().'</timecreated>'.PHP_EOL; |
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| 114 | $xmlContent .= ' <timemodified>'.time().'</timemodified>'.PHP_EOL; |
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| 115 | $xmlContent .= ' <requested>0</requested>'.PHP_EOL; |
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| 116 | $xmlContent .= ' <showactivitydates>1</showactivitydates>'.PHP_EOL; |
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| 117 | $xmlContent .= ' <showcompletionconditions>1</showcompletionconditions>'.PHP_EOL; |
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| 118 | $xmlContent .= ' <enablecompletion>'.$enablecompletion.'</enablecompletion>'.PHP_EOL; |
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| 119 | $xmlContent .= ' <completionnotify>0</completionnotify>'.PHP_EOL; |
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| 120 | $xmlContent .= ' <category id="1">'.PHP_EOL; |
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| 121 | $xmlContent .= ' <name>Miscellaneous</name>'.PHP_EOL; |
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| 122 | $xmlContent .= ' <description>$@NULL@$</description>'.PHP_EOL; |
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| 123 | $xmlContent .= ' </category>'.PHP_EOL; |
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| 124 | $xmlContent .= ' <tags>'.PHP_EOL; |
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| 125 | $xmlContent .= ' </tags>'.PHP_EOL; |
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| 126 | $xmlContent .= ' <customfields>'.PHP_EOL; |
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| 127 | $xmlContent .= ' </customfields>'.PHP_EOL; |
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| 128 | $xmlContent .= ' <courseformatoptions>'.PHP_EOL; |
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| 129 | $xmlContent .= ' <courseformatoption>'.PHP_EOL; |
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| 130 | $xmlContent .= ' <format>topics</format>'.PHP_EOL; |
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| 131 | $xmlContent .= ' <sectionid>0</sectionid>'.PHP_EOL; |
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| 132 | $xmlContent .= ' <name>hiddensections</name>'.PHP_EOL; |
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| 133 | $xmlContent .= ' <value>0</value>'.PHP_EOL; |
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| 134 | $xmlContent .= ' </courseformatoption>'.PHP_EOL; |
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| 135 | $xmlContent .= ' <courseformatoption>'.PHP_EOL; |
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| 136 | $xmlContent .= ' <format>topics</format>'.PHP_EOL; |
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| 137 | $xmlContent .= ' <sectionid>0</sectionid>'.PHP_EOL; |
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| 138 | $xmlContent .= ' <name>coursedisplay</name>'.PHP_EOL; |
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| 139 | $xmlContent .= ' <value>0</value>'.PHP_EOL; |
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| 140 | $xmlContent .= ' </courseformatoption>'.PHP_EOL; |
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| 141 | $xmlContent .= ' </courseformatoptions>'.PHP_EOL; |
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| 142 | $xmlContent .= '</course>'; |
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| 143 | |||
| 144 | file_put_contents($destinationDir.'/course.xml', $xmlContent); |
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| 145 | } |
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| 146 | |||
| 147 | /** |
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| 148 | * Create enrolments.xml based on the course data. |
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| 149 | * |
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| 150 | * @param array<int,array<string,mixed>> $enrolmentsData |
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| 151 | */ |
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| 152 | private function createEnrolmentsXml(array $enrolmentsData, string $destinationDir): void |
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| 153 | { |
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| 154 | $xmlContent = '<?xml version="1.0" encoding="UTF-8"?>'.PHP_EOL; |
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| 155 | $xmlContent .= '<enrolments>'.PHP_EOL; |
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| 156 | foreach ($enrolmentsData as $enrol) { |
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| 157 | $id = (int) ($enrol['id'] ?? 0); |
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| 158 | $type = (string) ($enrol['type'] ?? 'manual'); |
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| 159 | $status = (int) ($enrol['status'] ?? 1); |
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| 160 | |||
| 161 | $xmlContent .= ' <enrol id="'.$id.'">'.PHP_EOL; |
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| 162 | $xmlContent .= ' <enrol>'.htmlspecialchars($type).'</enrol>'.PHP_EOL; |
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| 163 | $xmlContent .= ' <status>'.$status.'</status>'.PHP_EOL; |
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| 164 | $xmlContent .= ' </enrol>'.PHP_EOL; |
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| 165 | } |
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| 166 | $xmlContent .= '</enrolments>'; |
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| 167 | |||
| 168 | file_put_contents($destinationDir.'/enrolments.xml', $xmlContent); |
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| 169 | } |
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| 170 | |||
| 171 | /** |
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| 172 | * Creates the inforef.xml file with question category references and a basic role ref. |
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| 173 | */ |
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| 174 | private function createInforefXml(string $destinationDir): void |
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| 175 | { |
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| 176 | $xmlContent = '<?xml version="1.0" encoding="UTF-8"?>'.PHP_EOL; |
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| 177 | $xmlContent .= '<inforef>'.PHP_EOL; |
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| 178 | |||
| 179 | // Gather unique question category ids from quiz activities |
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| 180 | $questionCategories = []; |
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| 181 | foreach ($this->activities as $activity) { |
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| 182 | if (($activity['modulename'] ?? '') === 'quiz') { |
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| 183 | $quizExport = new QuizExport($this->course); |
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| 184 | $quizData = $quizExport->getData((int) $activity['id'], (int) $activity['sectionid']); |
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| 185 | |||
| 186 | foreach ($quizData['questions'] as $question) { |
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| 187 | $categoryId = (int) $question['questioncategoryid']; |
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| 188 | if (!\in_array($categoryId, $questionCategories, true)) { |
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| 189 | $questionCategories[] = $categoryId; |
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| 190 | } |
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| 191 | } |
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| 192 | } |
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| 193 | } |
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| 194 | |||
| 195 | if (!empty($questionCategories)) { |
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| 196 | $xmlContent .= ' <question_categoryref>'.PHP_EOL; |
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| 197 | foreach ($questionCategories as $categoryId) { |
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| 198 | $xmlContent .= ' <question_category>'.PHP_EOL; |
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| 199 | $xmlContent .= ' <id>'.$categoryId.'</id>'.PHP_EOL; |
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| 200 | $xmlContent .= ' </question_category>'.PHP_EOL; |
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| 201 | } |
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| 202 | $xmlContent .= ' </question_categoryref>'.PHP_EOL; |
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| 203 | } |
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| 204 | |||
| 205 | // Add a minimal role reference (student) |
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| 206 | $xmlContent .= ' <roleref>'.PHP_EOL; |
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| 207 | $xmlContent .= ' <role>'.PHP_EOL; |
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| 208 | $xmlContent .= ' <id>5</id>'.PHP_EOL; |
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| 209 | $xmlContent .= ' </role>'.PHP_EOL; |
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| 210 | $xmlContent .= ' </roleref>'.PHP_EOL; |
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| 211 | |||
| 212 | $xmlContent .= '</inforef>'.PHP_EOL; |
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| 213 | |||
| 214 | file_put_contents($destinationDir.'/inforef.xml', $xmlContent); |
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| 215 | } |
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| 216 | |||
| 217 | /** |
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| 218 | * Creates the roles.xml file. |
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| 219 | * |
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| 220 | * @param array<int,array<string,mixed>> $rolesData |
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| 221 | */ |
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| 222 | private function createRolesXml(array $rolesData, string $destinationDir): void |
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| 223 | { |
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| 224 | $xmlContent = '<?xml version="1.0" encoding="UTF-8"?>'.PHP_EOL; |
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| 225 | $xmlContent .= '<roles>'.PHP_EOL; |
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| 226 | foreach ($rolesData as $role) { |
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| 227 | $roleName = (string) ($role['name'] ?? 'Student'); |
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| 228 | $xmlContent .= ' <role>'.PHP_EOL; |
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| 229 | $xmlContent .= ' <name>'.htmlspecialchars($roleName).'</name>'.PHP_EOL; |
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| 230 | $xmlContent .= ' </role>'.PHP_EOL; |
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| 231 | } |
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| 232 | $xmlContent .= '</roles>'; |
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| 233 | |||
| 234 | file_put_contents($destinationDir.'/roles.xml', $xmlContent); |
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| 235 | } |
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| 236 | |||
| 237 | /** |
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| 238 | * Always writes course/calendar.xml (Moodle expects it). |
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| 239 | * Priority: |
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| 240 | * 1) Events pushed by the builder into $this->course->resources (truth source). |
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| 241 | * 2) Fallback to $calendarData (legacy optional). |
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| 242 | * 3) Minimal stub if none. |
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| 243 | * |
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| 244 | * @param array<int,array<string,mixed>> $calendarData |
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| 245 | */ |
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| 246 | private function createCalendarXml(array $calendarData, string $destinationDir): void |
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| 247 | { |
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| 248 | $builderEvents = $this->collectCalendarEvents(); |
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| 249 | |||
| 250 | if (!empty($builderEvents)) { |
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| 251 | $xml = '<?xml version="1.0" encoding="UTF-8"?>' . PHP_EOL; |
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| 252 | $xml .= '<calendar>' . PHP_EOL; |
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| 253 | |||
| 254 | foreach ($builderEvents as $ev) { |
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| 255 | // Builder fields: iid, title, content, startDate, endDate, firstPath, firstName, firstSize, firstComment, allDay |
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| 256 | $title = (string) ($ev->title ?? 'Event'); |
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| 257 | $content = (string) ($ev->content ?? ''); |
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| 258 | $start = $this->toTimestamp((string)($ev->startDate ?? ''), time()); |
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| 259 | $end = $this->toTimestamp((string)($ev->endDate ?? ''), 0); |
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| 260 | $allday = (int) ($ev->allDay ?? 0); |
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| 261 | |||
| 262 | $duration = 0; |
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| 263 | if ($end > 0 && $end > $start) { |
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| 264 | $duration = $end - $start; |
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| 265 | } |
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| 266 | |||
| 267 | // Keep a Moodle-restore-friendly minimal shape |
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| 268 | $xml .= " <event>" . PHP_EOL; |
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| 269 | $xml .= ' <name>'.htmlspecialchars($title, ENT_QUOTES | ENT_SUBSTITUTE, 'UTF-8').'</name>' . PHP_EOL; |
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| 270 | $xml .= ' <description><![CDATA['.$content.']]></description>' . PHP_EOL; |
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| 271 | $xml .= ' <format>1</format>' . PHP_EOL; // HTML |
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| 272 | $xml .= ' <eventtype>course</eventtype>' . PHP_EOL; |
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| 273 | $xml .= ' <timestart>'.$start.'</timestart>' . PHP_EOL; |
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| 274 | $xml .= ' <duration>'.$duration.'</duration>' . PHP_EOL; |
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| 275 | $xml .= ' <visible>1</visible>' . PHP_EOL; |
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| 276 | $xml .= ' <allday>'.$allday.'</allday>' . PHP_EOL; |
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| 277 | $xml .= ' <repeatid>0</repeatid>' . PHP_EOL; |
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| 278 | $xml .= ' <uuid>$@NULL@$</uuid>' . PHP_EOL; |
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| 279 | $xml .= " </event>" . PHP_EOL; |
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| 280 | } |
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| 281 | |||
| 282 | $xml .= '</calendar>' . PHP_EOL; |
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| 283 | file_put_contents($destinationDir . '/calendar.xml', $xml); |
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| 284 | return; |
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| 285 | } |
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| 286 | |||
| 287 | if (!empty($calendarData)) { |
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| 288 | $xml = '<?xml version="1.0" encoding="UTF-8"?>' . PHP_EOL; |
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| 289 | $xml .= '<calendar>' . PHP_EOL; |
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| 290 | |||
| 291 | foreach ($calendarData as $e) { |
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| 292 | $name = htmlspecialchars((string)($e['name'] ?? 'Event'), ENT_QUOTES | ENT_SUBSTITUTE, 'UTF-8'); |
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| 293 | $timestart = (int)($e['timestart'] ?? time()); |
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| 294 | $duration = (int)($e['duration'] ?? 0); |
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| 295 | |||
| 296 | $xml .= " <event>" . PHP_EOL; |
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| 297 | $xml .= " <name>{$name}</name>" . PHP_EOL; |
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| 298 | $xml .= " <timestart>{$timestart}</timestart>" . PHP_EOL; |
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| 299 | $xml .= " <duration>{$duration}</duration>" . PHP_EOL; |
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| 300 | $xml .= " </event>" . PHP_EOL; |
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| 301 | } |
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| 302 | |||
| 303 | $xml .= '</calendar>' . PHP_EOL; |
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| 304 | file_put_contents($destinationDir . '/calendar.xml', $xml); |
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| 305 | return; |
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| 306 | } |
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| 307 | |||
| 308 | $xml = '<?xml version="1.0" encoding="UTF-8"?>' . PHP_EOL; |
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| 309 | $xml .= '<calendar/>' . PHP_EOL; |
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| 310 | file_put_contents($destinationDir . '/calendar.xml', $xml); |
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| 311 | } |
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| 312 | |||
| 313 | /** |
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| 314 | * Creates the comments.xml file. |
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| 315 | * |
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| 316 | * @param array<int,array<string,mixed>> $commentsData |
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| 317 | */ |
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| 318 | private function createCommentsXml(array $commentsData, string $destinationDir): void |
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| 319 | { |
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| 320 | $xmlContent = '<?xml version="1.0" encoding="UTF-8"?>'.PHP_EOL; |
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| 321 | $xmlContent .= '<comments>'.PHP_EOL; |
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| 322 | foreach ($commentsData as $comment) { |
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| 323 | $content = (string) ($comment['content'] ?? 'No comment'); |
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| 324 | $author = (string) ($comment['author'] ?? 'Anonymous'); |
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| 325 | |||
| 326 | $xmlContent .= ' <comment>'.PHP_EOL; |
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| 327 | $xmlContent .= ' <content>'.htmlspecialchars($content).'</content>'.PHP_EOL; |
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| 328 | $xmlContent .= ' <author>'.htmlspecialchars($author).'</author>'.PHP_EOL; |
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| 329 | $xmlContent .= ' </comment>'.PHP_EOL; |
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| 330 | } |
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| 331 | $xmlContent .= '</comments>'; |
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| 332 | |||
| 333 | file_put_contents($destinationDir.'/comments.xml', $xmlContent); |
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| 334 | } |
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| 335 | |||
| 336 | /** |
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| 337 | * Creates the competencies.xml file. |
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| 338 | * |
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| 339 | * @param array<int,array<string,mixed>> $competenciesData |
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| 340 | */ |
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| 341 | private function createCompetenciesXml(array $competenciesData, string $destinationDir): void |
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| 342 | { |
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| 343 | $xmlContent = '<?xml version="1.0" encoding="UTF-8"?>'.PHP_EOL; |
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| 344 | $xmlContent .= '<competencies>'.PHP_EOL; |
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| 345 | foreach ($competenciesData as $competency) { |
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| 346 | $name = (string) ($competency['name'] ?? 'Competency'); |
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| 347 | $xmlContent .= ' <competency>'.PHP_EOL; |
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| 348 | $xmlContent .= ' <name>'.htmlspecialchars($name).'</name>'.PHP_EOL; |
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| 349 | $xmlContent .= ' </competency>'.PHP_EOL; |
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| 350 | } |
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| 351 | $xmlContent .= '</competencies>'; |
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| 352 | |||
| 353 | file_put_contents($destinationDir.'/competencies.xml', $xmlContent); |
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| 354 | } |
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| 355 | |||
| 356 | /** |
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| 357 | * Creates the completiondefaults.xml file. |
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| 358 | * |
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| 359 | * @param array<int,array<string,mixed>> $completionData |
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| 360 | */ |
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| 361 | private function createCompletionDefaultsXml(array $completionData, string $destinationDir): void |
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| 362 | { |
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| 363 | $xmlContent = '<?xml version="1.0" encoding="UTF-8"?>'.PHP_EOL; |
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| 364 | $xmlContent .= '<completiondefaults>'.PHP_EOL; |
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| 365 | foreach ($completionData as $completion) { |
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| 366 | $completionState = (int) ($completion['state'] ?? 0); |
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| 367 | $xmlContent .= ' <completion>'.PHP_EOL; |
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| 368 | $xmlContent .= ' <completionstate>'.$completionState.'</completionstate>'.PHP_EOL; |
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| 369 | $xmlContent .= ' </completion>'.PHP_EOL; |
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| 370 | } |
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| 371 | $xmlContent .= '</completiondefaults>'; |
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| 372 | |||
| 373 | file_put_contents($destinationDir.'/completiondefaults.xml', $xmlContent); |
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| 374 | } |
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| 375 | |||
| 376 | /** |
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| 377 | * Creates the contentbank.xml file. |
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| 378 | * |
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| 379 | * @param array<int,array<string,mixed>> $contentBankData |
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| 380 | */ |
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| 381 | private function createContentBankXml(array $contentBankData, string $destinationDir): void |
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| 393 | } |
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| 394 | |||
| 395 | /** |
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| 396 | * Creates the filters.xml file. |
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| 397 | * |
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| 398 | * @param array<int,array<string,mixed>> $filtersData |
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| 399 | */ |
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| 400 | private function createFiltersXml(array $filtersData, string $destinationDir): void |
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| 401 | { |
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| 402 | $xmlContent = '<?xml version="1.0" encoding="UTF-8"?>'.PHP_EOL; |
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| 403 | $xmlContent .= '<filters>'.PHP_EOL; |
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| 404 | foreach ($filtersData as $filter) { |
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| 405 | $filterName = (string) ($filter['name'] ?? 'filter_example'); |
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| 406 | $active = (int) ($filter['active'] ?? 1); |
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| 407 | |||
| 408 | $xmlContent .= ' <filter>'.PHP_EOL; |
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| 409 | $xmlContent .= ' <filtername>'.htmlspecialchars($filterName).'</filtername>'.PHP_EOL; |
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| 410 | $xmlContent .= ' <active>'.$active.'</active>'.PHP_EOL; |
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| 411 | $xmlContent .= ' </filter>'.PHP_EOL; |
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| 412 | } |
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| 413 | $xmlContent .= '</filters>'; |
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| 414 | |||
| 415 | file_put_contents($destinationDir.'/filters.xml', $xmlContent); |
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| 416 | } |
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| 417 | |||
| 418 | /** |
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| 419 | * Gather CalendarEvent objects pushed by the builder into $this->course->resources. |
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| 420 | * We DO NOT invent types; we rely on the builder's CalendarEvent class in the same namespace. |
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| 421 | * |
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| 422 | * @return CalendarEvent[] // from Builder namespace |
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| 423 | */ |
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| 424 | private function collectCalendarEvents(): array |
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| 456 | } |
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| 457 | |||
| 458 | /** |
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| 459 | * Convert a date-string ('Y-m-d H:i:s') or numeric to timestamp with fallback. |
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| 460 | */ |
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| 461 | private function toTimestamp(string $value, int $fallback): int |
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| 467 | } |
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| 468 | } |
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| 469 |