WSCMCourse::nada() - Code Metrics - Inspection of "Messages: Fix query, allow user search, fix receiv..." - chamilo/chamilo-lms - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( f10e67...52beba )

by Julito

created 2021-07-09 10:41 UTC

WSCMCourse::nada() A

↳ Parent: WSCMCourse

Complexity

Conditions	2
Paths	2

Size

Total Lines	7
Code Lines	3

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	2
eloc	3
nc	2
nop	2
dl	0
loc	7
rs	10
c	0
b	0
f	0

<?php

/* For licensing terms, see /license.txt */

require_once __DIR__.'/../inc/global.inc.php';
require_once __DIR__.'/cm_webservice.php';

/**
 * Web services available for the Course module. This class extends the WS class.
 */
class WSCMCourse extends WSCM
{
    /**
     * Deletes a course.
     *
     * @param string API secret key
     * @param string Course id field name
     * @param string Course id value
     */
    public function DeleteCourse(
        $secret_key,
        $course_id_field_name,
        $course_id_value
    ) {
        $verifKey = $this->verifyKey($secret_key);
        if ($verifKey instanceof WSError) {
            $this->handleError($verifKey);
        } else {
            $result = $this->deleteCourseHelper(
                $course_id_field_name,
                $course_id_value
            );
            if ($result instanceof WSError) {

                $this->handleError($result);
            }
        }
    }

    /**
     * Deletes multiple courses.
     *
     * @param string API secret key
     * @param array Array of courses with elements of the form
     * array('course_id_field_name' => 'name_of_field', 'course_id_value' => 'value')
     *
     * @return array Array with elements like
     *               array('course_id_value' => 'value', 'result' => array('code' => 0, 'message' => 'Operation was successful')).
     *               Note that if the result array contains a code different
     *               than 0, an error occured
     */
    public function DeleteCourses($secret_key, $courses)
    {
        $verifKey = $this->verifyKey($secret_key);
        if ($verifKey instanceof WSError) {
            $this->handleError($verifKey);
        } else {
            $results = [];
            foreach ($courses as $course) {
                $result_tmp = [];
                $result_op = $this->deleteCourseHelper($course['course_id_field_name'], $course['course_id_value']);
                $result_tmp['course_id_value'] = $course['course_id_value'];
                if ($result_op instanceof WSCMError) {
                    // Return the error in the results
                    $result_tmp['result'] = $result_op->toArray();
                } else {
                    $result_tmp['result'] = $this->getSuccessfulResult();
                }
                $results[] = $result_tmp;
            }

            return $results;
        }
    }

    /**
     * Creates a course.
     *
     * @param string API secret key
     * @param string Title
     * @param string Category code
     * @param string Wanted code. If it's not defined, it will be generated automatically
     * @param string Tutor name
     * @param string Course admin user id field name
     * @param string Course admin user id value
     * @param string Course language
     * @param string Course id field name
     * @param string Course id value
     * @param array Course extra fields
     *
     * @return int Course id generated
     */
    public function CreateCourse(
        $secret_key,
        $title,
        $category_code,
        $wanted_code,
        $tutor_name,
        $course_admin_user_id_field_name,
        $course_admin_user_id_value,
        $language,
        $course_id_field_name,
        $course_id_value,
        $extras
    ) {
        // First, verify the secret key
        $verifKey = $this->verifyKey($secret_key);
        if ($verifKey instanceof WSError) {
            $this->handleError($verifKey);
        } else {
            $result = $this->createCourseHelper(
                $title,
                $category_code,
                $wanted_code,
                $tutor_name,
                $course_admin_user_id_field_name,
                $course_admin_user_id_value,
                $language,
                $course_id_field_name,
                $course_id_value,
                $extras
            );
            if ($result instanceof WSError) {
                $this->handleError($result);
            } else {
                return $result;
            }
        }
    }

    /**
     * Create multiple courses.
     *
     * @param string API secret key
     * @param array Courses to be created, with elements following the structure presented in CreateCourse
     *
     * @return array Array with elements of the form
     *               array('course_id_value' => 'original value sent', 'course_id_generated' => 'value_generated', 'result' => array('code' => 0, 'message' => 'Operation was successful'))
     */
    public function CreateCourses($secret_key, $courses)
    {
        // First, verify the secret key
        $verifKey = $this->verifyKey($secret_key);
        if ($verifKey instanceof WSCMError) {
            $this->handleError($verifKey);
        } else {
            $results = [];
            foreach ($courses as $course) {
                $result_tmp = [];
                //reinitialize variables just in case
                $title = $category_code = $wanted_code = $tutor_name = $course_admin_user_id_field_name = $course_admin_user_id_value = $language = $course_id_field_name = $course_id_value = $extras = null;
                extract($course);
                $result = $this->createCourseHelper(
                    $title,
                    $category_code,
                    $wanted_code,
                    $tutor_name,
                    $course_admin_user_id_field_name,
                    $course_admin_user_id_value,
                    $language,
                    $course_id_field_name,
                    $course_id_value,
                    $extras
                );
                if ($result instanceof WSCMError) {
                    $result_tmp['result'] = $result->toArray();
                    $result_tmp['course_id_value'] = $course_id_value;
                    $result_tmp['course_id_generated'] = 0;
                } else {
                    $result_tmp['result'] = $this->getSuccessfulResult();
                    $result_tmp['course_id_value'] = $course_id_value;
                    $result_tmp['course_id_generated'] = $result;
                }
                $results[] = $result_tmp;
            }

            return $results;
        }
    }

    /**
     * Edits a course.
     *
     * @param string API secret key
     * @param string Course id field name
     * @param string Course id value
     * @param string Title
     * @param string Category code
     * @param string Department name
     * @param string Department url
     * @param string Course language
     * @param int Visibility
     * @param int Subscribe (0 = denied, 1 = allowed)
     * @param int Unsubscribe (0 = denied, 1 = allowed)
     * @param string Visual code
     * @param array Course extra fields
     */
    public function EditCourse(
        $secret_key,
        $course_id_field_name,
        $course_id_value,
        $title,
        $category_code,
        $department_name,
        $department_url,
        $language,
        $visibility,
        $subscribe,
        $unsubscribe,
        $visual_code,
        $extras
    ) {
        $verifKey = $this->verifyKey($secret_key);
        if ($verifKey instanceof WSCMError) {
            $this->handleError($verifKey);
        } else {
            $result = $this->editCourseHelper(
                $course_id_field_name,
                $course_id_value,
                $title,
                $category_code,
                $department_name,
                $department_url,
                $language,
                $visibility,
                $subscribe,
                $unsubscribe,
                $visual_code,
                $extras
            );
            if ($result instanceof WSCMError) {
                $this->handleError($result);
            }
        }
    }

    /**
     * List courses.
     *
     * @param string API secret key
     * @param string Course id field name. Use "chamilo_course_id" to use internal id
     *
     * @return array An array with elements of the form
     *               ('id' => 'Course internal id', 'code' => 'Course code', 'title' => 'Course title', 'language' => 'Course language', 'visibility' => 'Course visibility',
     *               'category_name' => 'Name of the category of the course', 'number_students' => 'Number of students in the course', 'external_course_id' => 'External course id')
     */
    public function ListCourses($secret_key, $course_id_field_name)
    {
        $verifKey = $this->verifyKey($secret_key);
        if ($verifKey instanceof WSError) {
            $this->handleError($verifKey);
        } else {
            $courses_result = [];
            $category_names = [];

            $courses = CourseManager::get_courses_list();
            foreach ($courses as $course) {
                $course_tmp = [];
                $course_tmp['id'] = $course['id'];
                $course_tmp['code'] = $course['code'];
                $course_tmp['title'] = $course['title'];
                $course_tmp['language'] = $course['course_language'];
                $course_tmp['visibility'] = $course['visibility'];

                // Determining category name
                if ($category_names[$course['category_code']]) {
                    $course_tmp['category_name'] = $category_names[$course['category_code']];
                } else {
                    $category = CourseManager::get_course_category($course['category_code']);
                    $category_names[$course['category_code']] = $category['name'];
                    $course_tmp['category_name'] = $category['name'];
                }

                // Determining number of students registered in course
                $user_list = CourseManager::get_user_list_from_course_code($course['code']);
                $course_tmp['number_students'] = count($user_list);

                // Determining external course id
                $course_tmp['external_course_id'] = CourseManager::get_course_extra_field_value($course_id_field_name, $course['code']);
                $courses_result[] = $course_tmp;
            }

            return $courses_result;
        }
    }

    /**
     * Subscribe user to a course.
     *
     * @param string API secret key
     * @param string Course id field name. Use "chamilo_course_id" to use internal id
     * @param string course id value
     * @param string User id field name. Use "chamilo_user_id" to use internal id
     * @param string User id value
     * @param int Status (1 = Teacher, 5 = Student)
     */
    public function SubscribeUserToCourse(
        $secret_key,
        $course_id_field_name,
        $course_id_value,
        $user_id_field_name,
        $user_id_value,
        $status
    ) {
        $verifKey = $this->verifyKey($secret_key);
        if ($verifKey instanceof WSError) {
            $this->handleError($verifKey);
        } else {
            $result = $this->changeUserSubscription(
                $course_id_field_name,
                $course_id_value,
                $user_id_field_name,
                $user_id_value,
                1,
                $status
            );
            if ($result instanceof WSError) {
                $this->handleError($result);
            }
        }
    }

    /**
     * Unsusbscribe user from course.
     *
     * @param string API secret key
     * @param string Course id field name. Use "chamilo_course_id" to use internal id
     * @param string course id value
     * @param string User id field name. Use "chamilo_user_id" to use internal id
     * @param string User id value
     */
    public function UnsubscribeUserFromCourse(
        $secret_key,
        $course_id_field_name,
        $course_id_value,
        $user_id_field_name,
        $user_id_value
    ) {
        $verifKey = $this->verifyKey($secret_key);
        if ($verifKey instanceof WSError) {
            $this->handleError($verifKey);
        } else {
            $result = $this->changeUserSubscription(
                $course_id_field_name,
                $course_id_value,
                $user_id_field_name,
                $user_id_value,
                0
            );
            if ($result instanceof WSError) {
                $this->handleError($result);
            }
        }
    }

    /**
     * Returns the descriptions of a course, along with their id.
     *
     * @param string API secret key
     * @param string Course id field name
     * @param string Course id value
     *
     * @return array Returns an array with elements of the form
     *               array('course_desc_id' => 1, 'course_desc_title' => 'Title', 'course_desc_content' => 'Content')
     */
    public function GetCourseDescriptions(
        $secret_key,
        $course_id_field_name,
        $course_id_value
    ) {
        $verifKey = $this->verifyKey($secret_key);
        if ($verifKey instanceof WSError) {
            $this->handleError($verifKey);
        } else {
            $course_id = $this->getCourseId($course_id_field_name, $course_id_value);
            if ($course_id instanceof WSError) {
                return $course_id;
            } else {
                // Course exists, get its descriptions
                $descriptions = CourseDescription::get_descriptions($course_id);
                $results = [];
                foreach ($descriptions as $description) {
                    $results[] = ['course_desc_id' => $description->get_description_type(),
                        'course_desc_title' => $description->get_title(),
                        'course_desc_content' => $description->get_content(), ];
                }

                return $results;
            }
        }
    }

    /**
     * Edit course description.
     *
     * @param string API secret key
     * @param string Course id field name
     * @param string Course id value
     * @param int Category id from course description
     * @param string Description title
     * @param string Course description content
     */
    public function EditCourseDescription(
        $secret_key,
        $course_id_field_name,
        $course_id_value,
        $course_desc_id,
        $course_desc_title,
        $course_desc_content
    ) {
        $verifKey = $this->verifyKey($secret_key);
        if ($verifKey instanceof WSError) {
            $this->handleError($verifKey);
        } else {
            $course_id = $this->getCourseId($course_id_field_name, $course_id_value);
            if ($course_id instanceof WSError) {
                return $course_id;
            } else {
                // Create the new course description
                $cd = new CourseDescription();
                $cd->set_description_type($course_desc_id);
                $cd->set_title($course_desc_title);
                $cd->set_content($course_desc_content);
                $cd->set_session_id(0);

                // Get course info
                $course_info = CourseManager::get_course_information(
                    CourseManager::get_course_code_from_course_id($course_id)
                );
                // Check if this course description exists
                $descriptions = CourseDescription::get_descriptions($course_id);
                $exists = false;
                foreach ($descriptions as $description) {
                    if ($description->get_description_type() == $course_desc_id) {
                        $exists = true;
                    }
                }
                $cd->set_course_id($course_info['real_id']);
                if (!$exists) {
                    $cd->set_progress(0);
                    $cd->insert();
                } else {
                    $cd->update();
                }
            }
        }
    }

    /*public function unreadMessage($username, $password)
    {
        if ("valid" == $this->verifyUserPass($username, $password)) {
            $table_message = Database::get_main_table(TABLE_MESSAGE);
            $user_id = UserManager::get_user_id_from_username($username);
            $condition_msg_status = ' msg_status = 1 ';

            $sql_query = "SELECT COUNT(*) as number_messages
                          FROM $table_message
                          WHERE $condition_msg_status AND user_receiver_id=".$user_id;

            $sql_result = Database::query($sql_query);
            $result = Database::fetch_array($sql_result);

            return $result['number_messages'];
        }

        return "0";
    }

    public function get_message_data($username, $password)
    {
        if ("valid" == $this->verifyUserPass($username, $password)) {
            $user_id = get_user_id_from_username($username);
        }
    }*/

    public function nada($username, $password)
    {
        if ("valid" == $this->verifyUserPass($username, $password)) {
            return $username.$password;
        }

        return $username;
    }

    /**
     * Deletes a course (helper method).
     *
     * @param string Course id field name
     * @param string Course id value
     *
     * @return mixed True if the course was successfully deleted, WSError otherwise
     */
    protected function deleteCourseHelper(
        $course_id_field_name,
        $course_id_value
    ) {
        $course_id = $this->getCourseId(
            $course_id_field_name,
            $course_id_value
        );
        if ($course_id instanceof WSCMError) {
            return $course_id;
        } else {
            $course_code = CourseManager::get_course_code_from_course_id(
                $course_id
            );
            CourseManager::delete_course($course_code);

            return true;
        }
    }

    /**
     * Creates a course (helper method).
     *
     * @param string Title
     * @param string Category code
     * @param string Wanted code. If it's not defined, it will be generated automatically
     * @param string Tutor name
     * @param string Course admin user id field name
     * @param string Course admin user id value
     * @param string Course language
     * @param string Course id field name
     * @param string Course id value
     * @param array Course extra fields
     *
     * @return mixed Generated id if creation was successful, WSError otherwise
     */
    protected function createCourseHelper(
        $title,
        $category_code,
        $wanted_code,
        $tutor_name,
        $course_admin_user_id_field_name,
        $course_admin_user_id_value,
        $language,
        $course_id_field_name,
        $course_id_value,
        $extras
    ) {
        // Add the original course id field name and value to the extra fields if needed
        $extras_associative = [];
        if ("chamilo_course_id" != $course_id_field_name) {
            $extras_associative[$course_id_field_name] = $course_id_value;
        }
        foreach ($extras as $extra) {
            $extras_associative[$extra['field_name']] = $extra['field_value'];
        }
        $course_admin_id = $this->getUserId($course_admin_user_id_field_name, $course_admin_user_id_value);
        if ($course_admin_id instanceof WSError) {
            return $course_admin_id;
        }
        if ('' == $wanted_code) {
            $wanted_code = CourseManager::generate_course_code($title);
        }
        $result = create_course(
            $wanted_code,
            $title,
            $tutor_name,
            $category_code,
            $language,
            $course_admin_id,
            $this->_configuration['db_prefix'],
            0
        );
        if (!$result) {
            return new WSError(202, 'There was an error creating the course');
        } else {
            // Update extra fields
            foreach ($extras_associative as $fname => $fvalue) {
                CourseManager::update_course_extra_field_value($result, $fname, $fvalue);
            }
            // Get course id
            $course_info = CourseManager::get_course_information($result);

            return $course_info['real_id'];
        }
    }

    /**
     * Edits a course (helper method).
     *
     * @param string Course id field name
     * @param string Course id value
     * @param string Title
     * @param string Category code
     * @param string Department name
     * @param string Department url
     * @param string Course language
     * @param int Visibility
     * @param int Subscribe (0 = denied, 1 = allowed)
     * @param int Unsubscribe (0 = denied, 1 = allowed)
     * @param string Visual code
     * @param array Course extra fields
     *
     * @return mixed True in case of success, WSError otherwise
     */
    protected function editCourseHelper(
        $course_id_field_name,
        $course_id_value,
        $title,
        $category_code,
        $department_name,
        $department_url,
        $language,
        $visibility,
        $subscribe,
        $unsubscribe,
        $visual_code,
        $extras
    ) {
        $course_id = $this->getCourseId($course_id_field_name, $course_id_value);
        if ($course_id instanceof WSCMError) {
            return $course_id;
        } else {
            $attributes = [];
            if (!empty($title)) {
                $attributes['title'] = $title;
            }
            if (!empty($category_code)) {
                $attributes['category_code'] = $category_code;
            }
            if (!empty($department_name)) {
                $attributes['department_name'] = $department_name;
            }
            if (!empty($department_url)) {
                $attributes['department_url'] = $department_url;
            }
            if (!empty($language)) {
                $attributes['course_language'] = $language;
            }
            if ('' != $visibility) {
                $attributes['visibility'] = (int) $visibility;
            }
            if ('' != $subscribe) {
                $attributes['subscribe'] = (int) $subscribe;
            }
            if ('' != $unsubscribe) {
                $attributes['unsubscribe'] = (int) $unsubscribe;
            }
            if (!empty($visual_code)) {
                $attributes['visual_code'] = $visual_code;
            }
            if (!empty($attributes)) {
                CourseManager::update_attributes($course_id, $attributes);
            }
            if (!empty($extras)) {
                $course_code = CourseManager::get_course_code_from_course_id($course_id);
                $extras_associative = [];
                foreach ($extras as $extra) {
                    $extras_associative[$extra['field_name']] = $extra['field_value'];
                }
                foreach ($extras_associative as $fname => $fvalue) {
                    CourseManager::update_extra_field_value($course_code, $fname, $fvalue);
                }
            }

            return true;
        }
    }

    /**
     * Subscribe or unsubscribe user to a course (helper method).
     *
     * @param string Course id field name. Use "chamilo_course_id" to use internal id
     * @param string course id value
     * @param string User id field name. Use "chamilo_user_id" to use internal id
     * @param string User id value
     * @param int Set to 1 to subscribe, 0 to unsubscribe
     * @param int Status (STUDENT or TEACHER) Used for subscription only
     *
     * @return mixed True if subscription or unsubscription was successful, false otherwise
     */
    protected function changeUserSubscription(
        $course_id_field_name,
        $course_id_value,
        $user_id_field_name,
        $user_id_value,
        $state,
        $status = STUDENT
    ) {
        $course_id = $this->getCourseId($course_id_field_name, $course_id_value);
        if ($course_id instanceof WSError) {
            return $course_id;
        } else {
            $user_id = $this->getUserId($user_id_field_name, $user_id_value);
            if ($user_id instanceof WSError) {
                return $user_id;
            } else {
                $course_code = CourseManager::get_course_code_from_course_id($course_id);
                if (0 == $state) {
                    // Unsubscribe user
                    CourseManager::unsubscribe_user($user_id, $course_code);

                    return true;
                } else {
                    // Subscribe user
                    if (CourseManager::subscribeUser($user_id, $course_id, $status)) {
                        return true;
                    } else {
                        return new WSError(203, 'An error occurred subscribing to this course');
                    }
                }
            }
        }
    }
}


1			<?php
2
3			/* For licensing terms, see /license.txt */
4
5			require_once __DIR__.'/../inc/global.inc.php';
6			require_once __DIR__.'/cm_webservice.php';
7
8			/**
9			* Web services available for the Course module. This class extends the WS class.
10			*/
11			class WSCMCourse extends WSCM
12			{
13			/**
14			* Deletes a course.
15			*
16			* @param string API secret key
17			* @param string Course id field name
18			* @param string Course id value
19			*/
20			public function DeleteCourse(
21			$secret_key,
22			$course_id_field_name,
23			$course_id_value
24			) {
25			$verifKey = $this->verifyKey($secret_key);
26			if ($verifKey instanceof WSError) {
27			$this->handleError($verifKey);
28			} else {
29			$result = $this->deleteCourseHelper(
30			$course_id_field_name,
31			$course_id_value
32			);
33			if ($result instanceof WSError) {
			0 ignored issues – show introduced 2019-11-27 07:28 UTC by Report Bug Copy Issue Report `$result` is never a sub-type of `WSError`. Loading history...
34			$this->handleError($result);
35			}
36			}
37			}
38
39			/**
40			* Deletes multiple courses.
41			*
42			* @param string API secret key
43			* @param array Array of courses with elements of the form
44			* array('course_id_field_name' => 'name_of_field', 'course_id_value' => 'value')
45			*
46			* @return array Array with elements like
47			* array('course_id_value' => 'value', 'result' => array('code' => 0, 'message' => 'Operation was successful')).
48			* Note that if the result array contains a code different
49			* than 0, an error occured
50			*/
51			public function DeleteCourses($secret_key, $courses)
52			{
53			$verifKey = $this->verifyKey($secret_key);
54			if ($verifKey instanceof WSError) {
55			$this->handleError($verifKey);
56			} else {
57			$results = [];
58			foreach ($courses as $course) {
59			$result_tmp = [];
60			$result_op = $this->deleteCourseHelper($course['course_id_field_name'], $course['course_id_value']);
61			$result_tmp['course_id_value'] = $course['course_id_value'];
62			if ($result_op instanceof WSCMError) {
63			// Return the error in the results
64			$result_tmp['result'] = $result_op->toArray();
65			} else {
66			$result_tmp['result'] = $this->getSuccessfulResult();
67			}
68			$results[] = $result_tmp;
69			}
70
71			return $results;
72			}
73			}
74
75			/**
76			* Creates a course.
77			*
78			* @param string API secret key
79			* @param string Title
80			* @param string Category code
81			* @param string Wanted code. If it's not defined, it will be generated automatically
82			* @param string Tutor name
83			* @param string Course admin user id field name
84			* @param string Course admin user id value
85			* @param string Course language
86			* @param string Course id field name
87			* @param string Course id value
88			* @param array Course extra fields
89			*
90			* @return int Course id generated
91			*/
92			public function CreateCourse(
93			$secret_key,
94			$title,
95			$category_code,
96			$wanted_code,
97			$tutor_name,
98			$course_admin_user_id_field_name,
99			$course_admin_user_id_value,
100			$language,
101			$course_id_field_name,
102			$course_id_value,
103			$extras
104			) {
105			// First, verify the secret key
106			$verifKey = $this->verifyKey($secret_key);
107			if ($verifKey instanceof WSError) {
108			$this->handleError($verifKey);
109			} else {
110			$result = $this->createCourseHelper(
111			$title,
112			$category_code,
113			$wanted_code,
114			$tutor_name,
115			$course_admin_user_id_field_name,
116			$course_admin_user_id_value,
117			$language,
118			$course_id_field_name,
119			$course_id_value,
120			$extras
121			);
122			if ($result instanceof WSError) {
123			$this->handleError($result);
124			} else {
125			return $result;
126			}
127			}
128			}
129
130			/**
131			* Create multiple courses.
132			*
133			* @param string API secret key
134			* @param array Courses to be created, with elements following the structure presented in CreateCourse
135			*
136			* @return array Array with elements of the form
137			* array('course_id_value' => 'original value sent', 'course_id_generated' => 'value_generated', 'result' => array('code' => 0, 'message' => 'Operation was successful'))
138			*/
139			public function CreateCourses($secret_key, $courses)
140			{
141			// First, verify the secret key
142			$verifKey = $this->verifyKey($secret_key);
143			if ($verifKey instanceof WSCMError) {
144			$this->handleError($verifKey);
145			} else {
146			$results = [];
147			foreach ($courses as $course) {
148			$result_tmp = [];
149			//reinitialize variables just in case
150			$title = $category_code = $wanted_code = $tutor_name = $course_admin_user_id_field_name = $course_admin_user_id_value = $language = $course_id_field_name = $course_id_value = $extras = null;
151			extract($course);
152			$result = $this->createCourseHelper(
153			$title,
154			$category_code,
155			$wanted_code,
156			$tutor_name,
157			$course_admin_user_id_field_name,
158			$course_admin_user_id_value,
159			$language,
160			$course_id_field_name,
161			$course_id_value,
162			$extras
163			);
164			if ($result instanceof WSCMError) {
165			$result_tmp['result'] = $result->toArray();
166			$result_tmp['course_id_value'] = $course_id_value;
167			$result_tmp['course_id_generated'] = 0;
168			} else {
169			$result_tmp['result'] = $this->getSuccessfulResult();
170			$result_tmp['course_id_value'] = $course_id_value;
171			$result_tmp['course_id_generated'] = $result;
172			}
173			$results[] = $result_tmp;
174			}
175
176			return $results;
177			}
178			}
179
180			/**
181			* Edits a course.
182			*
183			* @param string API secret key
184			* @param string Course id field name
185			* @param string Course id value
186			* @param string Title
187			* @param string Category code
188			* @param string Department name
189			* @param string Department url
190			* @param string Course language
191			* @param int Visibility
192			* @param int Subscribe (0 = denied, 1 = allowed)
193			* @param int Unsubscribe (0 = denied, 1 = allowed)
194			* @param string Visual code
195			* @param array Course extra fields
196			*/
197			public function EditCourse(
198			$secret_key,
199			$course_id_field_name,
200			$course_id_value,
201			$title,
202			$category_code,
203			$department_name,
204			$department_url,
205			$language,
206			$visibility,
207			$subscribe,
208			$unsubscribe,
209			$visual_code,
210			$extras
211			) {
212			$verifKey = $this->verifyKey($secret_key);
213			if ($verifKey instanceof WSCMError) {
214			$this->handleError($verifKey);
215			} else {
216			$result = $this->editCourseHelper(
217			$course_id_field_name,
218			$course_id_value,
219			$title,
220			$category_code,
221			$department_name,
222			$department_url,
223			$language,
224			$visibility,
225			$subscribe,
226			$unsubscribe,
227			$visual_code,
228			$extras
229			);
230			if ($result instanceof WSCMError) {
231			$this->handleError($result);
232			}
233			}
234			}
235
236			/**
237			* List courses.
238			*
239			* @param string API secret key
240			* @param string Course id field name. Use "chamilo_course_id" to use internal id
241			*
242			* @return array An array with elements of the form
243			* ('id' => 'Course internal id', 'code' => 'Course code', 'title' => 'Course title', 'language' => 'Course language', 'visibility' => 'Course visibility',
244			* 'category_name' => 'Name of the category of the course', 'number_students' => 'Number of students in the course', 'external_course_id' => 'External course id')
245			*/
246			public function ListCourses($secret_key, $course_id_field_name)
247			{
248			$verifKey = $this->verifyKey($secret_key);
249			if ($verifKey instanceof WSError) {
250			$this->handleError($verifKey);
251			} else {
252			$courses_result = [];
253			$category_names = [];
254
255			$courses = CourseManager::get_courses_list();
256			foreach ($courses as $course) {
257			$course_tmp = [];
258			$course_tmp['id'] = $course['id'];
259			$course_tmp['code'] = $course['code'];
260			$course_tmp['title'] = $course['title'];
261			$course_tmp['language'] = $course['course_language'];
262			$course_tmp['visibility'] = $course['visibility'];
263
264			// Determining category name
265			if ($category_names[$course['category_code']]) {
266			$course_tmp['category_name'] = $category_names[$course['category_code']];
267			} else {
268			$category = CourseManager::get_course_category($course['category_code']);
269			$category_names[$course['category_code']] = $category['name'];
270			$course_tmp['category_name'] = $category['name'];
271			}
272
273			// Determining number of students registered in course
274			$user_list = CourseManager::get_user_list_from_course_code($course['code']);
275			$course_tmp['number_students'] = count($user_list);
276
277			// Determining external course id
278			$course_tmp['external_course_id'] = CourseManager::get_course_extra_field_value($course_id_field_name, $course['code']);
279			$courses_result[] = $course_tmp;
280			}
281
282			return $courses_result;
283			}
284			}
285
286			/**
287			* Subscribe user to a course.
288			*
289			* @param string API secret key
290			* @param string Course id field name. Use "chamilo_course_id" to use internal id
291			* @param string course id value
292			* @param string User id field name. Use "chamilo_user_id" to use internal id
293			* @param string User id value
294			* @param int Status (1 = Teacher, 5 = Student)
295			*/
296			public function SubscribeUserToCourse(
297			$secret_key,
298			$course_id_field_name,
299			$course_id_value,
300			$user_id_field_name,
301			$user_id_value,
302			$status
303			) {
304			$verifKey = $this->verifyKey($secret_key);
305			if ($verifKey instanceof WSError) {
306			$this->handleError($verifKey);
307			} else {
308			$result = $this->changeUserSubscription(
309			$course_id_field_name,
310			$course_id_value,
311			$user_id_field_name,
312			$user_id_value,
313			1,
314			$status
315			);
316			if ($result instanceof WSError) {
317			$this->handleError($result);
318			}
319			}
320			}
321
322			/**
323			* Unsusbscribe user from course.
324			*
325			* @param string API secret key
326			* @param string Course id field name. Use "chamilo_course_id" to use internal id
327			* @param string course id value
328			* @param string User id field name. Use "chamilo_user_id" to use internal id
329			* @param string User id value
330			*/
331			public function UnsubscribeUserFromCourse(
332			$secret_key,
333			$course_id_field_name,
334			$course_id_value,
335			$user_id_field_name,
336			$user_id_value
337			) {
338			$verifKey = $this->verifyKey($secret_key);
339			if ($verifKey instanceof WSError) {
340			$this->handleError($verifKey);
341			} else {
342			$result = $this->changeUserSubscription(
343			$course_id_field_name,
344			$course_id_value,
345			$user_id_field_name,
346			$user_id_value,
347			0
348			);
349			if ($result instanceof WSError) {
350			$this->handleError($result);
351			}
352			}
353			}
354
355			/**
356			* Returns the descriptions of a course, along with their id.
357			*
358			* @param string API secret key
359			* @param string Course id field name
360			* @param string Course id value
361			*
362			* @return array Returns an array with elements of the form
363			* array('course_desc_id' => 1, 'course_desc_title' => 'Title', 'course_desc_content' => 'Content')
364			*/
365			public function GetCourseDescriptions(
366			$secret_key,
367			$course_id_field_name,
368			$course_id_value
369			) {
370			$verifKey = $this->verifyKey($secret_key);
371			if ($verifKey instanceof WSError) {
372			$this->handleError($verifKey);
373			} else {
374			$course_id = $this->getCourseId($course_id_field_name, $course_id_value);
375			if ($course_id instanceof WSError) {
376			return $course_id;
377			} else {
378			// Course exists, get its descriptions
379			$descriptions = CourseDescription::get_descriptions($course_id);
380			$results = [];
381			foreach ($descriptions as $description) {
382			$results[] = ['course_desc_id' => $description->get_description_type(),
383			'course_desc_title' => $description->get_title(),
384			'course_desc_content' => $description->get_content(), ];
385			}
386
387			return $results;
388			}
389			}
390			}
391
392			/**
393			* Edit course description.
394			*
395			* @param string API secret key
396			* @param string Course id field name
397			* @param string Course id value
398			* @param int Category id from course description
399			* @param string Description title
400			* @param string Course description content
401			*/
402			public function EditCourseDescription(
403			$secret_key,
404			$course_id_field_name,
405			$course_id_value,
406			$course_desc_id,
407			$course_desc_title,
408			$course_desc_content
409			) {
410			$verifKey = $this->verifyKey($secret_key);
411			if ($verifKey instanceof WSError) {
412			$this->handleError($verifKey);
413			} else {
414			$course_id = $this->getCourseId($course_id_field_name, $course_id_value);
415			if ($course_id instanceof WSError) {
416			return $course_id;
417			} else {
418			// Create the new course description
419			$cd = new CourseDescription();
420			$cd->set_description_type($course_desc_id);
421			$cd->set_title($course_desc_title);
422			$cd->set_content($course_desc_content);
423			$cd->set_session_id(0);
424
425			// Get course info
426			$course_info = CourseManager::get_course_information(
427			CourseManager::get_course_code_from_course_id($course_id)
428			);
429			// Check if this course description exists
430			$descriptions = CourseDescription::get_descriptions($course_id);
431			$exists = false;
432			foreach ($descriptions as $description) {
433			if ($description->get_description_type() == $course_desc_id) {
434			$exists = true;
435			}
436			}
437			$cd->set_course_id($course_info['real_id']);
438			if (!$exists) {
439			$cd->set_progress(0);
440			$cd->insert();
441			} else {
442			$cd->update();
443			}
444			}
445			}
446			}
447
448			/*public function unreadMessage($username, $password)
449			{
450			if ("valid" == $this->verifyUserPass($username, $password)) {
451			$table_message = Database::get_main_table(TABLE_MESSAGE);
452			$user_id = UserManager::get_user_id_from_username($username);
453			$condition_msg_status = ' msg_status = 1 ';
454
455			$sql_query = "SELECT COUNT(*) as number_messages
456			FROM $table_message
457			WHERE $condition_msg_status AND user_receiver_id=".$user_id;
458
459			$sql_result = Database::query($sql_query);
460			$result = Database::fetch_array($sql_result);
461
462			return $result['number_messages'];
463			}
464
465			return "0";
466			}
467
468			public function get_message_data($username, $password)
469			{
470			if ("valid" == $this->verifyUserPass($username, $password)) {
471			$user_id = get_user_id_from_username($username);
472			}
473			}*/
474
475			public function nada($username, $password)
476			{
477			if ("valid" == $this->verifyUserPass($username, $password)) {
478			return $username.$password;
479			}
480
481			return $username;
482			}
483
484			/**
485			* Deletes a course (helper method).
486			*
487			* @param string Course id field name
488			* @param string Course id value
489			*
490			* @return mixed True if the course was successfully deleted, WSError otherwise
491			*/
492			protected function deleteCourseHelper(
493			$course_id_field_name,
494			$course_id_value
495			) {
496			$course_id = $this->getCourseId(
497			$course_id_field_name,
498			$course_id_value
499			);
500			if ($course_id instanceof WSCMError) {
501			return $course_id;
502			} else {
503			$course_code = CourseManager::get_course_code_from_course_id(
504			$course_id
505			);
506			CourseManager::delete_course($course_code);
507
508			return true;
509			}
510			}
511
512			/**
513			* Creates a course (helper method).
514			*
515			* @param string Title
516			* @param string Category code
517			* @param string Wanted code. If it's not defined, it will be generated automatically
518			* @param string Tutor name
519			* @param string Course admin user id field name
520			* @param string Course admin user id value
521			* @param string Course language
522			* @param string Course id field name
523			* @param string Course id value
524			* @param array Course extra fields
525			*
526			* @return mixed Generated id if creation was successful, WSError otherwise
527			*/
528			protected function createCourseHelper(
529			$title,
530			$category_code,
531			$wanted_code,
532			$tutor_name,
533			$course_admin_user_id_field_name,
534			$course_admin_user_id_value,
535			$language,
536			$course_id_field_name,
537			$course_id_value,
538			$extras
539			) {
540			// Add the original course id field name and value to the extra fields if needed
541			$extras_associative = [];
542			if ("chamilo_course_id" != $course_id_field_name) {
543			$extras_associative[$course_id_field_name] = $course_id_value;
544			}
545			foreach ($extras as $extra) {
546			$extras_associative[$extra['field_name']] = $extra['field_value'];
547			}
548			$course_admin_id = $this->getUserId($course_admin_user_id_field_name, $course_admin_user_id_value);
549			if ($course_admin_id instanceof WSError) {
550			return $course_admin_id;
551			}
552			if ('' == $wanted_code) {
553			$wanted_code = CourseManager::generate_course_code($title);
554			}
555			$result = create_course(
556			$wanted_code,
557			$title,
558			$tutor_name,
559			$category_code,
560			$language,
561			$course_admin_id,
562			$this->_configuration['db_prefix'],
563			0
564			);
565			if (!$result) {
566			return new WSError(202, 'There was an error creating the course');
567			} else {
568			// Update extra fields
569			foreach ($extras_associative as $fname => $fvalue) {
570			CourseManager::update_course_extra_field_value($result, $fname, $fvalue);
571			}
572			// Get course id
573			$course_info = CourseManager::get_course_information($result);
574
575			return $course_info['real_id'];
576			}
577			}
578
579			/**
580			* Edits a course (helper method).
581			*
582			* @param string Course id field name
583			* @param string Course id value
584			* @param string Title
585			* @param string Category code
586			* @param string Department name
587			* @param string Department url
588			* @param string Course language
589			* @param int Visibility
590			* @param int Subscribe (0 = denied, 1 = allowed)
591			* @param int Unsubscribe (0 = denied, 1 = allowed)
592			* @param string Visual code
593			* @param array Course extra fields
594			*
595			* @return mixed True in case of success, WSError otherwise
596			*/
597			protected function editCourseHelper(
598			$course_id_field_name,
599			$course_id_value,
600			$title,
601			$category_code,
602			$department_name,
603			$department_url,
604			$language,
605			$visibility,
606			$subscribe,
607			$unsubscribe,
608			$visual_code,
609			$extras
610			) {
611			$course_id = $this->getCourseId($course_id_field_name, $course_id_value);
612			if ($course_id instanceof WSCMError) {
613			return $course_id;
614			} else {
615			$attributes = [];
616			if (!empty($title)) {
617			$attributes['title'] = $title;
618			}
619			if (!empty($category_code)) {
620			$attributes['category_code'] = $category_code;
621			}
622			if (!empty($department_name)) {
623			$attributes['department_name'] = $department_name;
624			}
625			if (!empty($department_url)) {
626			$attributes['department_url'] = $department_url;
627			}
628			if (!empty($language)) {
629			$attributes['course_language'] = $language;
630			}
631			if ('' != $visibility) {
632			$attributes['visibility'] = (int) $visibility;
633			}
634			if ('' != $subscribe) {
635			$attributes['subscribe'] = (int) $subscribe;
636			}
637			if ('' != $unsubscribe) {
638			$attributes['unsubscribe'] = (int) $unsubscribe;
639			}
640			if (!empty($visual_code)) {
641			$attributes['visual_code'] = $visual_code;
642			}
643			if (!empty($attributes)) {
644			CourseManager::update_attributes($course_id, $attributes);
645			}
646			if (!empty($extras)) {
647			$course_code = CourseManager::get_course_code_from_course_id($course_id);
648			$extras_associative = [];
649			foreach ($extras as $extra) {
650			$extras_associative[$extra['field_name']] = $extra['field_value'];
651			}
652			foreach ($extras_associative as $fname => $fvalue) {
653			CourseManager::update_extra_field_value($course_code, $fname, $fvalue);
654			}
655			}
656
657			return true;
658			}
659			}
660
661			/**
662			* Subscribe or unsubscribe user to a course (helper method).
663			*
664			* @param string Course id field name. Use "chamilo_course_id" to use internal id
665			* @param string course id value
666			* @param string User id field name. Use "chamilo_user_id" to use internal id
667			* @param string User id value
668			* @param int Set to 1 to subscribe, 0 to unsubscribe
669			* @param int Status (STUDENT or TEACHER) Used for subscription only
670			*
671			* @return mixed True if subscription or unsubscription was successful, false otherwise
672			*/
673			protected function changeUserSubscription(
674			$course_id_field_name,
675			$course_id_value,
676			$user_id_field_name,
677			$user_id_value,
678			$state,
679			$status = STUDENT
680			) {
681			$course_id = $this->getCourseId($course_id_field_name, $course_id_value);
682			if ($course_id instanceof WSError) {
683			return $course_id;
684			} else {
685			$user_id = $this->getUserId($user_id_field_name, $user_id_value);
686			if ($user_id instanceof WSError) {
687			return $user_id;
688			} else {
689			$course_code = CourseManager::get_course_code_from_course_id($course_id);
690			if (0 == $state) {
691			// Unsubscribe user
692			CourseManager::unsubscribe_user($user_id, $course_code);
693
694			return true;
695			} else {
696			// Subscribe user
697			if (CourseManager::subscribeUser($user_id, $course_id, $status)) {
698			return true;
699			} else {
700			return new WSError(203, 'An error occurred subscribing to this course');
701			}
702			}
703			}
704			}
705			}
706			}
707

chamilo / chamilo-lms

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