@ -482,14 +482,19 @@ function browseCourseCategories()
/**
* @param string $category_code
* @param string $searchTerm
* @return int
*/
function countCoursesInCategory($category_code="")
function countCoursesInCategory($category_code="", $searchTerm = '' )
{
global $_configuration;
$tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
$TABLE_COURSE_FIELD = Database :: get_main_table(TABLE_MAIN_COURSE_FIELD);
$TABLE_COURSE_FIELD_VALUE = Database :: get_main_table(TABLE_MAIN_COURSE_FIELD_VALUES);
$categoryCode = Database::escape_string($category_code);
$searchTerm = Database::escape_string($searchTerm);
$categoryFilter = '';
$searchFilter = '';
// get course list auto-register
$sql = "SELECT course_code
@ -509,7 +514,7 @@ function countCoursesInCategory($category_code="")
if (!empty($special_course_list)) {
$without_special_courses = ' AND course.code NOT IN (' . implode(',', $special_course_list) . ')';
}
if (isset($_configuration['course_catalog_hide_private'])) {
if ($_configuration['course_catalog_hide_private'] == true) {
$courseInfo = api_get_course_info();
@ -517,8 +522,25 @@ function countCoursesInCategory($category_code="")
$visibilityCondition = ' AND course.visibility < > 1';
}
}
if ($categoryCode == 'ALL') {
// Nothing to do
} elseif ($categoryCode == 'NONE') {
$categoryFilter = ' AND category_code = "" ';
} else {
$categoryFilter = ' AND category_code = "' . $categoryCode . '" ';
}
if (!empty($searchTerm)) {
$searchFilter = ' AND (code LIKE "%' . $searchTerm . '%"
OR title LIKE "%' . $searchTerm . '%"
OR tutor_name LIKE "%' . $searchTerm . '%") ';
}
$sql = "SELECT * FROM $tbl_course
WHERE visibility != '0' AND visibility != '4' AND category_code" . "='" . $category_code . "'" . $without_special_courses. $visibilityCondition;
WHERE visibility != '0' AND visibility != '4'".
$categoryFilter . $searchFilter .
$without_special_courses . $visibilityCondition;
// Showing only the courses of the current portal access_url_id.
if (api_is_multiple_url_enabled()) {
@ -526,9 +548,11 @@ function countCoursesInCategory($category_code="")
if ($url_access_id != -1) {
$tbl_url_rel_course = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
$sql = "SELECT * FROM $tbl_course as course
INNER JOIN $tbl_url_rel_course as url_rel_course
ON (url_rel_course.course_code=course.code)
WHERE access_url_id = $url_access_id AND course.visibility != '0' AND course.visibility != '4' AND category_code" . "='" . $category_code . "'" . $without_special_courses. $visibilityCondition;
INNER JOIN $tbl_url_rel_course as url_rel_course
ON (url_rel_course.course_code=course.code)
WHERE access_url_id = $url_access_id AND course.visibility != '0'
AND course.visibility != '4' AND category_code" . "='" . $category_code . "'" .
$searchTerm . $without_special_courses. $visibilityCondition;
}
}
return Database::num_rows(Database::query($sql));
@ -537,9 +561,11 @@ function countCoursesInCategory($category_code="")
/**
* @param string $category_code
* @param string $random_value
* @param array $limit will be used if $random_value is not set.
* This array should contains 'start' and 'length' keys
* @return array
*/
function browseCoursesInCategory($category_code, $random_value = null)
function browseCoursesInCategory($category_code, $random_value = null, $limit = array() )
{
global $_configuration;
$tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
@ -613,14 +639,15 @@ function browseCoursesInCategory($category_code, $random_value = null)
}
$sql = "SELECT * FROM $tbl_course WHERE id IN($id_in)";
} else {
$limitFilter = getLimitFilterFromArray($limit);
$category_code = Database::escape_string($category_code);
if (empty($category_code) || $category_code == "ALL") {
$sql = "SELECT * FROM $tbl_course WHERE 1=1 $without_special_courses $visibilityCondition ORDER BY title ";
$sql = "SELECT * FROM $tbl_course WHERE 1=1 $without_special_courses $visibilityCondition ORDER BY title $limitFilter ";
} else {
if ($category_code == 'NONE') {
$category_code = '';
}
$sql = "SELECT * FROM $tbl_course WHERE category_code='$category_code' $without_special_courses $visibilityCondition ORDER BY title ";
$sql = "SELECT * FROM $tbl_course WHERE category_code='$category_code' $without_special_courses $visibilityCondition ORDER BY title $limitFilter ";
}
//showing only the courses of the current Chamilo access_url_id
@ -631,12 +658,12 @@ function browseCoursesInCategory($category_code, $random_value = null)
$sql = "SELECT * FROM $tbl_course as course INNER JOIN $tbl_url_rel_course as url_rel_course
ON (url_rel_course.course_code=course.code)
WHERE access_url_id = $url_access_id AND category_code='$category_code' $without_special_courses $visibilityCondition
ORDER BY title";
ORDER BY title $limitFilter ";
} else{
$sql = "SELECT * FROM $tbl_course as course INNER JOIN $tbl_url_rel_course as url_rel_course
ON (url_rel_course.course_code=course.code)
WHERE access_url_id = $url_access_id $without_special_courses $visibilityCondition
ORDER BY title";
ORDER BY title $limitFilter ";
}
}
@ -787,6 +814,237 @@ function searchCategoryById($list)
return Database::store_result($result, 'ASSOC');
}
/**
* Return an array with pagination data: 'start', 'current', 'length'
* @return array
*/
function getLimitArray()
{
$pageCurrent = isset($_REQUEST['pageCurrent']) ?
intval($_GET['pageCurrent']) :
1;
$pageLength = isset($_REQUEST['pageLength']) ?
intval($_GET['pageLength']) :
10;
return array(
'start' => ($pageCurrent - 1) * $pageLength,
'current' => $pageCurrent,
'length' => $pageLength,
);
}
/**
* Return LIMIT to filter SQL query
* @param array $limit
* @return string
*/
function getLimitFilterFromArray($limit)
{
$limitFilter = '';
if (!empty($limit) & & is_array($limit)) {
$limitStart = isset($limit['start']) ? $limit['start'] : 0;
$limitLength = isset($limit['length']) ? $limit['length'] : 10;
$limitFilter = 'LIMIT ' . $limitStart . ', ' . $limitLength;
}
return $limitFilter;
}
/**
* Get Pagination HTML div
* @param $pageCurrent
* @param $pageLength
* @param $pageTotal
* @return string
*/
function getCataloguePagination($pageCurrent, $pageLength, $pageTotal)
{
$pageDiv = '';
if (1 === $pageCurrent) {
$pageAnchor = Display::tag(
'a',
'< '
);
$pageAnchorFirst = Display::tag(
'a',
'< < '
);
$pageItemAttributes = array(
'class' => 'disabled'
);
} else {
$pageAnchor = Display::tag(
'a',
'< ',
array(
'href' => getCourseCategoryUrl(
$pageCurrent - 1,
$pageLength
),
)
);
$pageAnchorFirst = Display::tag(
'a',
'< < ',
array(
'href' => getCourseCategoryUrl(
1,
$pageLength
),
)
);
$pageItemAttributes = array();
}
$pageDiv .= Display::tag(
'li',
$pageAnchorFirst,
$pageItemAttributes
);
$pageDiv .= Display::tag(
'li',
$pageAnchor,
$pageItemAttributes
);
for (
$i = max(1, $pageCurrent - 3);
$i < = min($pageTotal, $pageCurrent + 3);
$i++
) {
$pageUrl = getCourseCategoryUrl(
$i,
$pageLength
);
if ($i === $pageCurrent) {
$pageAnchor = Display::tag(
'a',
$i
);
$pageItemAttributes = array(
'class' => 'active'
);
} else {
$pageAnchor = Display::tag(
'a',
$i,
array(
'href' => $pageUrl,
)
);
$pageItemAttributes = array();
}
$pageDiv .= Display::tag(
'li',
$pageAnchor,
$pageItemAttributes
);
}
if ($pageTotal == $pageCurrent) {
$pageAnchor = Display::tag(
'a',
'>'
);
$pageAnchorLast = Display::tag(
'a',
'>>'
);
$pageItemAttributes = array(
'class' => 'disabled'
);
} else {
$pageAnchor = Display::tag(
'a',
'>',
array(
'href' => getCourseCategoryUrl(
$pageCurrent + 1,
$pageLength
),
)
);
$pageAnchorLast = Display::tag(
'a',
'>>',
array(
'href' => getCourseCategoryUrl(
$pageTotal,
$pageLength
),
)
);
$pageItemAttributes = array();
}
$pageDiv .= Display::tag(
'li',
$pageAnchor,
$pageItemAttributes
);
$pageDiv .= Display::tag(
'li',
$pageAnchorLast,
$pageItemAttributes
);
$pageDiv = Display::div(
Display::tag(
'ul',
$pageDiv
),
array(
'class' => 'pagination pagination-centered',
)
);
return $pageDiv;
}
/**
* Return URL to course catalog
* @param $pageCurrent
* @param $pageLength
* @param null $categoryCode
* @param null $hiddenLinks
* @param null $action
* @return null|string
*/
function getCourseCategoryUrl(
$pageCurrent,
$pageLength,
$categoryCode = null,
$hiddenLinks = null,
$action = null
)
{
$action = isset($action) ? Security::remove_XSS($action) :
Security::remove_XSS($_REQUEST['action']);
$pageUrl = api_get_self() .
'?action=' . $action .
'& category_code=' . (
isset($categoryCode) ? $categoryCode :
Security::remove_XSS($_REQUEST['category_code'])
) .
'& hidden_links=' . (
isset($hiddenLinks) ? $hiddenLinks :
Security::remove_XSS($_REQUEST['hidden_links'])
).
'& pageCurrent=' . $pageCurrent .
'& pageLength=' . $pageLength
;
switch ($action) {
case 'subscribe' :
$pageUrl .=
'& search_term=' . $_REQUEST['search_term'] .
'& search_course=1' .
'& sec_token=' . $_SESSION['sec_token'];
break;
case 'display_courses' :
// No break
default :
break;
}
return $pageUrl;
}
/**
CREATE TABLE IF NOT EXISTS access_url_rel_course_category (access_url_id int unsigned NOT NULL, course_category_id int unsigned NOT NULL, PRIMARY KEY (access_url_id, course_category_id));
*/
Daniel Barreto
11 years ago