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chamilo-lms
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Improving course teacher import by CSV see BT#6434

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1.9.x
jmontoya 12 years ago
parent f0fdff6573
commit ed22f3c140
1 changed files with 69 additions and 49 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 118
      main/admin/course_import.php

118
main/admin/course_import.php
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@ -24,17 +24,19 @@ function validate_data($courses) {
$coursecodes = array ();
foreach ($courses as $index => $course) {
$course['line'] = $index +1;
// 1. Check whether mandatory fields are set.
$mandatory_fields = array ('Code', 'Title', 'CourseCategory', 'Teacher');
$mandatory_fields = array ('Code', 'Title', 'CourseCategory');
foreach ($mandatory_fields as $key => $field) {
if (!isset($course[$field]) || strlen($course[$field]) == 0) {
$course['error'] = get_lang($field.'Mandatory');
$errors[] = $course;
}
}
// 2. Check current course code.
if (isset ($course['Code']) && strlen($course['Code']) != 0) {
// 2.1 Check whether code has been allready used by this CVS-file.
// 2.1 Check whether code has been already used by this CVS-file.
if (isset($coursecodes[$course['Code']])) {
$course['error'] = get_lang('CodeTwiceInFile');
$errors[] = $course;
@ -46,7 +48,7 @@ function validate_data($courses) {
}
// 2.3 Check whether course code has been occupied.
else {
$course_table = Database :: get_main_table(TABLE_MAIN_COURSE);
$course_table = Database::get_main_table(TABLE_MAIN_COURSE);
$sql = "SELECT * FROM $course_table WHERE code = '".Database::escape_string($course['Code'])."'";
$res = Database::query($sql);
if (Database::num_rows($res) > 0) {
@ -56,16 +58,27 @@ function validate_data($courses) {
}
$coursecodes[$course['Code']] = 1;
}
/*
// 3. Check whether teacher exists.
if (!UserManager::is_username_empty($course['Teacher'])) {
$teacher = UserManager::purify_username($course['Teacher'], $purification_option_for_usernames);
if (UserManager::is_username_available($teacher)) {
$course['error'] = get_lang('UnknownTeacher').' ('.$teacher.')';
$errors[] = $course;
$teacherList = getTeacherListInArray($course['Teacher']);
if (!empty($teacherList)) {
foreach ($teacherList as $teacher) {
$teacherInfo = api_get_user_info_from_username($teacher);
if (empty($teacherInfo)) {
$course['error'] = get_lang('UnknownTeacher').' ('.$teacher.')';
$errors[] = $course;
} else {
if ($teacherInfo['status'] != COURSEMANAGER) {
$course['error'] = get_lang('UserIsNotATeacher').' ('.$teacher.')';
$errors[] = $course;
}
}
}
}
*/
// 4. Check whether course category exists.
if (isset($course['CourseCategory']) && strlen($course['CourseCategory']) != 0) {
$category_table = Database :: get_main_table(TABLE_MAIN_CATEGORY);
@ -81,59 +94,64 @@ function validate_data($courses) {
return $errors;
}
function getTeacherListInArray($teachers)
{
if (!empty($teachers)) {
return explode('|', $teachers);
}
return array();
}
/**
* Saves imported data.
* @param array List of courses
*/
function save_data($courses) {
function save_data($courses) {
global $purification_option_for_usernames;
$user_table = Database::get_main_table(TABLE_MAIN_USER);
$msg = '';
foreach ($courses as $index => $course) {
$course_language = api_get_valid_language($course['Language']);
$titular = $uidCreator = $username = '';
// Get username from name (firstname lastname).
if (!UserManager::is_username_empty($course['Teacher'])) {
$teacher = UserManager::purify_username($course['Teacher'], $purification_option_for_usernames);
if (UserManager::is_username_available($teacher)) {
$sql = "SELECT username FROM $user_table WHERE ".(api_is_western_name_order(null, $course_language) ? "CONCAT(firstname,' ',lastname)" : "CONCAT(lastname,' ',firstname)")." = '{$course['Teacher']}' LIMIT 1";
$rs = Database::query($sql);
$user = Database::fetch_object($rs);
$username = $user->username;
} else {
$username = $teacher;
$username = '';
$teachers = getTeacherListInArray($course['Teacher']);
$teacherList = array();
$creatorId = api_get_user_id();
if (!empty($teachers)) {
foreach ($teachers as $teacher) {
$teacherInfo = api_get_user_info_from_username($teacher);
if (!empty($teacherInfo)) {
$teacherList[] = $teacherInfo;
}
}
}
// Get name and uid creator from username.
if (!empty($username)) {
$sql = "SELECT user_id, ".(api_is_western_name_order(null, $course_language) ? "CONCAT(firstname,' ',lastname)" : "CONCAT(lastname,' ',firstname)")." AS name FROM $user_table WHERE username = '".Database::escape_string(UserManager::purify_username($username, $purification_option_for_usernames))."'";
$res = Database::query($sql);
$teacher = Database::fetch_object($res);
$titular = $teacher->name;
$uidCreator = $teacher->user_id;
} else {
$titular = $course['Teacher'];
$uidCreator = 1;
}
$params = array();
$params['title'] = $course['Title'];
$params['wanted_code'] = $course['Code'];
$params['tutor_name'] = $titular;
$params['course_category'] = $course['CourseCategory'];
$params['wanted_code'] = $course['Code'];
$params['tutor_name'] = null;
$params['course_category'] = $course['CourseCategory'];
$params['course_language'] = $course_language;
$params['user_id'] = $uidCreator;
$params['user_id'] = $creatorId;
$course_info = CourseManager::create_course($params);
if (!empty($course_info)) {
$msg .= '<a href="'.api_get_path(WEB_COURSE_PATH).$course_info['directory'].'/">'.$course_info['title'].'</a> '.get_lang('Created').'<br />';
if (!empty($teacherList)) {
foreach ($teacherList as $teacher) {
CourseManager::add_user_to_course($teacher['user_id'], $course_info['code'], COURSEMANAGER);
}
}
$msg .= '<a href="'.api_get_path(WEB_COURSE_PATH).$course_info['directory'].'/">
'.$course_info['title'].'</a> '.get_lang('Created').'<br />';
}
}
if (!empty($msg)) {
Display::display_normal_message($msg, false);
}
@ -145,7 +163,7 @@ function save_data($courses) {
* @return array All course-information read from the file
*/
function parse_csv_data($file) {
$courses = Import :: csv_to_array($file);
$courses = Import::csv_to_array($file);
return $courses;
}
@ -185,7 +203,7 @@ if ($_POST['formSent']) {
if (!in_array($ext_import_file, $allowed_file_mimetype)) {
Display :: display_error_message(get_lang('YouMustImportAFileAccordingToSelectedOption'));
} else {
$courses = parse_csv_data($_FILES['import_file']['tmp_name']);
$courses = parse_csv_data($_FILES['import_file']['tmp_name']);
$errors = validate_data($courses);
if (count($errors) == 0) {
save_data($courses);
@ -198,7 +216,7 @@ if (count($errors) != 0) {
$error_message = '<ul>';
foreach ($errors as $index => $error_course) {
$error_message .= '<li>'.get_lang('Line').' '.$error_course['line'].': <strong>'.$error_course['error'].'</strong>: ';
$error_message .= $error_course['Code'].' '.$error_course['Title'];
$error_message .= get_lang('Course').': '.$error_course['Title'].' ('.$error_course['Code'].')';
$error_message .= '</li>';
}
$error_message .= '</ul>';
@ -213,7 +231,7 @@ if (count($errors) != 0) {
<input type="file" name="import_file"/>
</div>
</div>
<div class="control-group ">
<div class="control-group">
<div class="control">
<button type="submit" class="save" value="<?php echo get_lang('Import'); ?>"><?php echo get_lang('Import'); ?></button>
</div>
@ -225,8 +243,10 @@ if (count($errors) != 0) {
<blockquote>
<pre>
<strong>Code</strong>;<strong>Title</strong>;<strong>CourseCategory</strong>;<strong>Teacher</strong>;Language
BIO0015;Biology;BIO;username;english
<strong>Code</strong>;<strong>Title</strong>;<strong>CourseCategory</strong>;Teacher;Language
BIO0015;Biology;BIO;teacher1;english
BIO0016;Maths;MATH;teacher2|teacher3;english
BIO0017;Language;LANG;;english
</pre>
</blockquote>

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