Proyectos de Subversion Moodle

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1 efrain 1 
<?php
2 
defined('MOODLE_INTERNAL') || die();
3 
 
4 
use core_completion\progress;
5 
 
6 
global $CFG;
1130 efrain 7 
require_once $CFG->libdir . '/externallib.php';
1 efrain 8 
require_once $CFG->dirroot . '/course/classes/category.php';
9 
require_once $CFG->dirroot . '/blocks/moodleblock.class.php';
10 
require_once $CFG->dirroot . '/blocks/course_list/block_course_list.php';
11 
 
12 
class block_cursos_catalogo_ajax_external extends \external_api
13 
{
1052 ariadna 14 
 
1 efrain 15 
    public static function enrolar_usuario_cursos_catalogo_parameters()
16 
    {
17 
        return new \external_function_parameters([
1130 efrain 18 
            'courseid' => new \external_value(PARAM_INT, 'ID del curso', VALUE_DEFAULT, 0)
1 efrain 19 
        ]);
20 
    }
1052 ariadna 21 
 
1 efrain 22 
    public static function enrolar_usuario_cursos_catalogo($courseid)
23 
    {
24 
        global $USER, $DB, $CFG;
1052 ariadna 25 
 
1 efrain 26 
        $userid = $USER->id;
27 
        $course = get_course($courseid);
28 
        $enrol = false;
1052 ariadna 29 
 
1130 efrain 30 
        if (! $course) {
31 
            return json_encode([
32 
                'success' => false,
33 
                'data' => 'No existe el curso'
34 
            ]);
1 efrain 35 
        }
1052 ariadna 36 
 
1 efrain 37 
        $enrolmethod = 'self';
1052 ariadna 38 
 
1130 efrain 39 
        $instance = $DB->get_record('enrol', [
40 
            'courseid' => $course->id,
41 
            'enrol' => $enrolmethod,
42 
            'status' => 0
43 
        ]);
44 
        if (! $instance) {
45 
            return json_encode([
46 
                'success' => false,
47 
                'data' => 'El curso no permite auto inscribirse'
48 
            ]);
1 efrain 49 
        }
50 
 
1052 ariadna 51 
        try {
1130 efrain 52 
            $user = $DB->get_record('user', [
53 
                'id' => $userid
54 
            ]);
55 
            $role = $DB->get_record('role', array(
56 
                'archetype' => 'student'
57 
            ));
1052 ariadna 58 
            $context = context_course::instance($course->id);
59 
 
60 
            $context = context_course::instance($course->id);
61 
            if (is_enrolled($context, $user)) {
1130 efrain 62 
                return json_encode([
63 
                    'success' => true
64 
                ]);
1052 ariadna 65 
            } else {
66 
                $enrol = enrol_get_plugin($enrolmethod);
67 
                if ($enrol === null) {
68 
                    return false;
1 efrain 69 
                }
1052 ariadna 70 
                $instances = enrol_get_instances($course->id, true);
71 
                $manualinstance = null;
72 
                foreach ($instances as $instance) {
73 
                    if ($instance->name == $enrolmethod) {
74 
                        $manualinstance = $instance;
75 
                        break;
76 
                    }
1 efrain 77 
                }
1052 ariadna 78 
                if ($manualinstance !== null) {
79 
                    $instanceid = $enrol->add_default_instance($course);
80 
                    if ($instanceid === null) {
81 
                        $instanceid = $enrol->add_instance($course);
82 
                    }
1130 efrain 83 
                    $instance = $DB->get_record('enrol', array(
84 
                        'id' => $instanceid
85 
                    ));
1052 ariadna 86 
                }
87 
                $enrol->enrol_user($instance, $user->id, $role->id);
1 efrain 88 
            }
1052 ariadna 89 
 
1130 efrain 90 
            return json_encode([
91 
                'success' => true
92 
            ]);
1052 ariadna 93 
        } catch (\Exception $e) {
1 efrain 94 
            error_log($e->getTraceAsString());
1052 ariadna 95 
 
1130 efrain 96 
            return json_encode([
97 
                'success' => false,
98 
                'data' => $e->getMessage()
99 
            ]);
1 efrain 100 
        }
101 
    }
1052 ariadna 102 
 
1 efrain 103 
    public static function enrolar_usuario_cursos_catalogo_returns()
104 
    {
105 
        return new \external_value(PARAM_RAW, 'The updated JSON output');
106 
    }
1052 ariadna 107 
 
1 efrain 108 
    public static function get_cursos_catalogo_parameters()
109 
    {
110 
        return new \external_function_parameters([
111 
            'category_id' => new \external_value(PARAM_INT, 'Categoría de los Cursos', VALUE_DEFAULT, 0),
1060 ariadna 112 
            'search_text' => new \external_value(PARAM_ALPHANUM, 'Palabra de busqueda', VALUE_DEFAULT, ' '),
1061 ariadna 113 
            'page' => new \external_value(PARAM_INT, 'Número de página', VALUE_DEFAULT, 1),
1130 efrain 114 
            'perpage' => new \external_value(PARAM_INT, 'Cursos por página', VALUE_DEFAULT, 10)
1 efrain 115 
        ]);
116 
    }
117 
 
1062 ariadna 118 
    public static function get_cursos_catalogo($category_id, $search_text, $page = 1, $perpage = 10)
1 efrain 119 
    {
1060 ariadna 120 
        global $USER, $DB, $CFG, $OUTPUT, $PAGE;
1 efrain 121 
 
1130 efrain 122 
        $params = self::validate_parameters(self::get_cursos_catalogo_parameters(), compact('category_id', 'search_text', 'page', 'perpage'));
1060 ariadna 123 
 
1061 ariadna 124 
        $page = max(1, $params['page']);
1127 efrain 125 
        $perpage = max(10, $params['perpage']);
1060 ariadna 126 
 
1 efrain 127 
        $userid = $USER->id;
1130 efrain 128 
        $url_noimage = $CFG->wwwroot . '/theme/' . $PAGE->theme->name . '/pix/coursenoimage.jpg';
1 efrain 129 
 
1060 ariadna 130 
        $is_admin = false;
131 
        $admins = get_admins();
132 
        foreach ($admins as $admin) {
133 
            if ($USER->id == $admin->id) {
134 
                $is_admin = true;
135 
                break;
136 
            }
137 
        }
1052 ariadna 138 
 
1060 ariadna 139 
        $all_categories = [];
1130 efrain 140 
        $records = $DB->get_records('course_categories', [
141 
            'visible' => 1
142 
        ], 'sortorder, name');
1060 ariadna 143 
        foreach ($records as $record) {
144 
            $all_categories[$record->id] = $record;
1 efrain 145 
        }
1052 ariadna 146 
 
1060 ariadna 147 
        $categories_ids = [];
148 
        $category_filter_active = false;
149 
        if ($category_id) {
150 
            $category_filter_active = true;
151 
 
1130 efrain 152 
            $recordLevel0 = $DB->get_record('course_categories', [
153 
                'id' => $category_id
154 
            ]);
1060 ariadna 155 
 
156 
            if ($recordLevel0) {
157 
                array_push($categories_ids, $recordLevel0->id);
158 
 
1130 efrain 159 
                $recordsLevel1 = $DB->get_records('course_categories', [
160 
                    'visible' => 1,
161 
                    'parent' => $recordLevel0->id
162 
                ]);
1060 ariadna 163 
 
164 
                foreach ($recordsLevel1 as $recordLevel1) {
165 
 
166 
                    array_push($categories_ids, $recordLevel1->id);
167 
 
1130 efrain 168 
                    $recordsLevel2 = $DB->get_records('course_categories', [
169 
                        'visible' => 1,
170 
                        'parent' => $recordLevel1->id
171 
                    ]);
1060 ariadna 172 
                    foreach ($recordsLevel2 as $recordLevel2) {
173 
                        array_push($categories_ids, $recordLevel2->id);
174 
 
1130 efrain 175 
                        $recordsLevel3 = $DB->get_records('course_categories', [
176 
                            'visible' => 2,
177 
                            'parent' => $recordLevel2->id
178 
                        ]);
1060 ariadna 179 
                        foreach ($recordsLevel3 as $recordLevel3) {
180 
                            array_push($categories_ids, $recordLevel3->id);
181 
                        }
182 
                    }
183 
                }
184 
            }
1 efrain 185 
        }
186 
 
1130 efrain 187 
        $course_ids = [];
188 
        $course_category_ids = [];
189 
        $courseAvailableForAutoRol = [];
1060 ariadna 190 
 
191 
        if ($is_admin) {
1130 efrain 192 
            $mycourses = get_courses(); // get_courses_search($searchterms, $sort, $page, $perpage, $total_courses);
1060 ariadna 193 
        } else {
1130 efrain 194 
            $mycourses = enrol_get_users_courses($USER->id);
195 
            $courses_with_autoenrol = $DB->get_records('enrol', [
196 
                'enrol' => 'self',
197 
                'status' => 0
198 
            ]);
199 
            foreach ($courses_with_autoenrol as $course_with_autoenrol) {
1127 efrain 200 
                $course = get_course($course_with_autoenrol->courseid);
201 
                array_push($mycourses, $course);
1130 efrain 202 
 
1127 efrain 203 
                array_push($courseAvailableForAutoRol, $course->id);
204 
            }
1 efrain 205 
        }
1130 efrain 206 
 
207 
        $mycourses = array_filter($mycourses, function ($course) use ($search_text, $category_filter_active, $categories_ids) {
208 
            if (! $course->visible) {
1127 efrain 209 
                return false;
1060 ariadna 210 
            }
1130 efrain 211 
 
1060 ariadna 212 
            if ($search_text) {
213 
                if (stripos($course->fullname, $search_text) === false) {
1127 efrain 214 
                    return false;
1060 ariadna 215 
                }
216 
            }
1130 efrain 217 
 
1060 ariadna 218 
            if ($category_filter_active) {
1130 efrain 219 
                if (! in_array($course->category, $categories_ids)) {
1127 efrain 220 
                    return false;
1060 ariadna 221 
                }
222 
            }
1130 efrain 223 
 
1127 efrain 224 
            return true;
225 
        });
1130 efrain 226 
 
227 
        usort($mycourses, function ($a, $b) {
1133 ariadna 228 
 
229 
            if ($a->timecreated == $b->timecreated) {
1132 efrain 230 
                return $a->fullname <=> $b->fullname;
1133 ariadna 231 
            } else {
232 
                return $a->timecreated > $b->timecreated ? -1 : 1;
1131 efrain 233 
            }
1130 efrain 234 
        });
235 
 
1129 efrain 236 
        /*
1130 efrain 237 
         * $searchterms = array();
238 
         * $sort = "c.sortorder DESC";
1129 efrain 239 
         */
1130 efrain 240 
 
1129 efrain 241 
        $total_courses = count($mycourses);
242 
        $total_pages = ceil($total_courses / $perpage);
1130 efrain 243 
        if ($total_pages * $perpage < $total_courses) {
1133 ariadna 244 
            $total_pages++;
1129 efrain 245 
        }
1130 efrain 246 
 
1129 efrain 247 
        $page = isset($page) ? max(1, min($page, $total_pages)) : 1;
1130 efrain 248 
 
1129 efrain 249 
        $max_links = 3;
250 
        $start_page = max(1, $page - floor($max_links / 2));
251 
        $end_page = min($total_pages, $start_page + $max_links - 1);
1130 efrain 252 
 
1129 efrain 253 
        if ($end_page - $start_page + 1 < $max_links) {
254 
            $start_page = max(1, $end_page - $max_links + 1);
255 
        }
1130 efrain 256 
 
257 
        $start = $page == 1 ? 0 : ($page - 1) * $perpage;
1129 efrain 258 
        $mycourses = array_slice($mycourses, $start, $perpage);
1060 ariadna 259 
 
260 
        $courses = [];
1128 efrain 261 
        /*
1130 efrain 262 
         * foreach ($course_ids as $course_id) {
263 
         * $course = get_course($course_id);
264 
         */
1060 ariadna 265 
 
1130 efrain 266 
        foreach ($mycourses as $course) {
267 
 
1060 ariadna 268 
            if ($course instanceof stdClass) {
269 
                $coreCourseList = new core_course_list_element($course);
270 
            }
271 
 
1130 efrain 272 
            if (! in_array($course->category, $course_category_ids)) {
1060 ariadna 273 
                array_push($course_category_ids, $course->category);
274 
            }
275 
 
276 
            $image = $url_noimage;
277 
            foreach ($coreCourseList->get_course_overviewfiles() as $file) {
278 
                $isimage = $file->is_valid_image();
1130 efrain 279 
                $image = file_encode_url("{$CFG->wwwroot}/pluginfile.php", '/' . $file->get_contextid() . '/' . $file->get_component() . '/' . $file->get_filearea() . $file->get_filepath() . $file->get_filename(), ! $isimage);
280 
                if (! $isimage) {
1060 ariadna 281 
                    $image = $url_noimage;
282 
                }
283 
            }
284 
 
285 
            $lastaccess = null;
1078 ariadna 286 
            $sql = "select timecreated from {logstore_standard_log} where courseid = :courseid and userid = :userid order by id limit {$perpage}";
1130 efrain 287 
            $params_a = [
288 
                'courseid' => $course->id,
289 
                'userid' => $userid
290 
            ];
291 
            $timecreated = $DB->get_field_sql($sql, $params_a);
1060 ariadna 292 
            if ($timecreated) {
293 
 
294 
                $lastaccess = date('d/m/Y h:i a', $timecreated);
295 
            }
296 
 
297 
            $first_section = 0;
1130 efrain 298 
            $sections = $DB->get_records('course_sections', [
299 
                'course' => $course->id
300 
            ], 'section desc', 'id,name,section,sequence,visible');
1060 ariadna 301 
 
302 
            foreach ($sections as $section) {
1130 efrain 303 
                if (! empty($section->section)) {
1060 ariadna 304 
                    $first_section = $section->id;
305 
                    break;
306 
                }
307 
            }
1190 ariadna 308 
 
309 
 
310 
 
1191 ariadna 311 
            $course_context = context_course::instance($course->id);
1060 ariadna 312 
            $roles = get_user_roles($course_context, $USER->id, true);
313 
 
1199 ariadna 314 
            if (has_capability('moodle/course:manageactivities', $course_context, $USER->id) || has_capability('moodle/course:viewhiddenactivities', $course_context, $USER->id)) {
1168 efrain 315 
                $editurl = $CFG->wwwroot . '/course/view.php?id=' . $course->id . '&notifyeditingon=1';
1190 ariadna 316 
 
1168 efrain 317 
                //$editurl = $CFG->wwwroot . '/course/edit.php?id=' . $course->id;} else {
1060 ariadna 318 
                $editurl = '';
319 
            }
320 
 
321 
            $modules = get_fast_modinfo($course->id)->get_cms();
322 
 
1190 ariadna 323 
 
324 
 
1147 efrain 325 
            $viewurl = '';
1190 ariadna 326 
            foreach ($modules as $module) {
1156 efrain 327 
                if (!$module->uservisible || $module->is_stealth() || empty($module->url)) {
1060 ariadna 328 
                    continue;
329 
                }
1190 ariadna 330 
 
1156 efrain 331 
                $viewurl = new moodle_url($module->url, array(
332 
                    'forceview' => 1
333 
                ));
334 
                break;
1060 ariadna 335 
            }
1190 ariadna 336 
 
1060 ariadna 337 
            $summary = trim(strip_tags($course->summary));
338 
 
339 
            if (empty($summary)) {
340 
                $summary = '<p></p>';
341 
            } else if (strlen($summary) > 80) {
342 
 
1130 efrain 343 
                $summary = substr($summary, 0, 80) . '...';
1060 ariadna 344 
            }
345 
 
346 
            if (empty($editurl) && in_array($course->id, $courseAvailableForAutoRol)) {
347 
                $autoenrol = 'yes';
348 
            } else {
349 
                $autoenrol = '';
350 
            }
351 
 
352 
            $category = $all_categories[$course->category];
353 
            if ($category->parent) {
354 
                $categoryParent = $all_categories[$category->parent];
355 
                if ($categoryParent) {
356 
                    $categoryName = $categoryParent->name . ' / ' . $category->name;
357 
                } else {
358 
                    $categoryName = $category->name;
359 
                }
360 
            } else {
1130 efrain 361 
                $categoryName = $category->name;
1060 ariadna 362 
            }
363 
            if (strlen($categoryName) > 40) {
364 
 
1130 efrain 365 
                $categoryName = substr($categoryName, 0, 40) . '...';
1060 ariadna 366 
            }
367 
 
368 
            // echo '<pre>';
369 
            // echo '$categoryName = ' . $categoryName . ' $course->category = ' . $course->category;
370 
            // echo '</pre>';
371 
 
372 
            array_push($courses, [
373 
                'courseid' => $course->id,
374 
                'coursecategory' => $categoryName,
375 
                'courseimage' => $image,
376 
                'enddate' => $course->enddate,
377 
                'fullname' => $course->fullname,
378 
                'fullnamedisplay' => get_course_display_name_for_list($course),
379 
                'hidden' => false,
1059 ariadna 380 
                'id' => $course->id,
1060 ariadna 381 
                'idnumber' => $course->idnumber,
382 
                'isfavourite' => false,
1058 ariadna 383 
                'shortname' => $course->shortname,
1060 ariadna 384 
                'showshortname' => false,
1058 ariadna 385 
                'startdate' => $course->startdate,
1130 efrain 386 
                'summary' => $summary,
1060 ariadna 387 
                'summaryformat' => $course->summaryformat,
388 
                'timeaccess' => $lastaccess,
1147 efrain 389 
                'viewurl' => $viewurl,
1060 ariadna 390 
                'editurl' => $editurl,
391 
                'autoenrol' => $autoenrol,
1130 efrain 392 
                'visible' => true
1060 ariadna 393 
            ]);
1 efrain 394 
        }
395 
 
1113 ariadna 396 
        $categories = [];
1061 ariadna 397 
 
1060 ariadna 398 
        foreach ($course_category_ids as $course_category_id) {
399 
            $category = $all_categories[$course_category_id];
400 
            if ($category) {
1130 efrain 401 
                array_push($categories, [
402 
                    'id' => $category->id,
403 
                    'name' => $category->name
404 
                ]);
1060 ariadna 405 
            }
406 
        }
407 
 
1084 ariadna 408 
        // Crear el array de navegación con el rango dinámico
1061 ariadna 409 
        $pagination = [
410 
            'current_page' => $page,
411 
            'total_pages' => $total_pages,
412 
            'has_previous' => $page > 1,
413 
            'has_next' => $page < $total_pages,
414 
            'previous_page' => $page > 1 ? $page - 1 : null,
1084 ariadna 415 
            'next_page' => $page < $total_pages ? $page + 1 : null,
416 
            'pages' => array_map(function ($p) use ($page) {
417 
                return [
418 
                    'number' => $p,
419 
                    'is_current' => $p === $page
420 
                ];
421 
            }, range($start_page, $end_page))
1061 ariadna 422 
        ];
1060 ariadna 423 
 
1084 ariadna 424 
        // Preparar los datos para la plantilla
1061 ariadna 425 
        $data = [
1113 ariadna 426 
            'courses' => $courses,
1061 ariadna 427 
            'pagination' => $pagination
1058 ariadna 428 
        ];
1060 ariadna 429 
 
430 
        $cards = $OUTPUT->render_from_template('block_cursos_catalogo_ajax/cards', $data);
431 
 
432 
        $data = [
433 
            'categories' => $categories
434 
        ];
435 
 
436 
        $badges = $OUTPUT->render_from_template('block_cursos_catalogo_ajax/badges', $data);
437 
 
1130 efrain 438 
        return json_encode([
439 
            'success' => true,
440 
            'search_text' => $search_text,
441 
            'category_id' => $category_id,
442 
            'cards' => $cards,
1190 ariadna 443 
            'badges' => $badges,
1147 efrain 444 
            'courses' => $courses
1130 efrain 445 
        ]);
1 efrain 446 
    }
447 
 
448 
    public static function get_cursos_catalogo_returns()
449 
    {
1060 ariadna 450 
        return new \external_value(PARAM_RAW, 'The updated JSON output');
1 efrain 451 
    }
452 
}