/**
* Gets optional details for a resource, depending on resource settings.
*
* Result may include the file size and type if those settings are chosen,
* or blank if none.
*
* @param object $resource Resource table row (only property 'displayoptions' is used here)
* @param object $cm Course-module table row
* @return string Size and type or empty string if show options are not enabled
*/
function resource_get_optional_details($resource, $cm)
{
global $DB;
$details = '';
$options = empty($resource->displayoptions) ? array() : @unserialize($resource->displayoptions);
if (!empty($options['showsize']) || !empty($options['showtype']) || !empty($options['showdate'])) {
if (!array_key_exists('filedetails', $options)) {
$filedetails = resource_get_file_details($resource, $cm);
} else {
$filedetails = $options['filedetails'];
}
$size = '';
$type = '';
$date = '';
$langstring = '';
$infodisplayed = 0;
if (!empty($options['showsize'])) {
if (!empty($filedetails['size'])) {
$size = display_size($filedetails['size']);
$langstring .= 'size';
$infodisplayed += 1;
}
}
if (!empty($options['showtype'])) {
if (!empty($filedetails['type'])) {
$type = $filedetails['type'];
$langstring .= 'type';
$infodisplayed += 1;
}
}
if (!empty($options['showdate']) && (!empty($filedetails['modifieddate']) || !empty($filedetails['uploadeddate']))) {
if (!empty($filedetails['modifieddate'])) {
$date = get_string('modifieddate', 'mod_resource', userdate($filedetails['modifieddate'], get_string('strftimedatetimeshort', 'langconfig')));
} else {
if (!empty($filedetails['uploadeddate'])) {
$date = get_string('uploadeddate', 'mod_resource', userdate($filedetails['uploadeddate'], get_string('strftimedatetimeshort', 'langconfig')));
}
}
$langstring .= 'date';
$infodisplayed += 1;
}
if ($infodisplayed > 1) {
$details = get_string("resourcedetails_{$langstring}", 'resource', (object) array('size' => $size, 'type' => $type, 'date' => $date));
} else {
// Only one of size, type and date is set, so just append.
$details = $size . $type . $date;
}
}
return $details;
}
/**
* Given a course_module object, this function returns any
* "extra" information that may be needed when printing
* this activity in a course listing.
*
* See {@link get_array_of_activities()} in course/lib.php
*
* @param stdClass $coursemodule
* @return cached_cm_info info
*/
function resource_get_coursemodule_info($coursemodule)
{
global $CFG, $DB;
require_once "{$CFG->libdir}/filelib.php";
require_once "{$CFG->dirroot}/mod/resource/locallib.php";
require_once $CFG->libdir . '/completionlib.php';
$context = context_module::instance($coursemodule->id);
if (!($resource = $DB->get_record('resource', array('id' => $coursemodule->instance), 'id, name, display, displayoptions, tobemigrated, revision, intro, introformat'))) {
return NULL;
}
$info = new cached_cm_info();
$info->name = $resource->name;
if ($coursemodule->showdescription) {
// Convert intro to html. Do not filter cached version, filters run at display time.
$info->content = format_module_intro('resource', $resource, $coursemodule->id, false);
}
if ($resource->tobemigrated) {
$info->icon = 'i/invalid';
return $info;
}
$fs = get_file_storage();
$files = $fs->get_area_files($context->id, 'mod_resource', 'content', 0, 'sortorder DESC, id ASC', false);
// TODO: this is not very efficient!!
if (count($files) >= 1) {
$mainfile = reset($files);
$info->icon = file_file_icon($mainfile, 24);
$resource->mainfile = $mainfile->get_filename();
}
$display = resource_get_final_display_type($resource);
if ($display == RESOURCELIB_DISPLAY_POPUP) {
$fullurl = "{$CFG->wwwroot}/mod/resource/view.php?id={$coursemodule->id}&redirect=1";
$options = empty($resource->displayoptions) ? array() : unserialize($resource->displayoptions);
$width = empty($options['popupwidth']) ? 620 : $options['popupwidth'];
$height = empty($options['popupheight']) ? 450 : $options['popupheight'];
$wh = "width={$width},height={$height},toolbar=no,location=no,menubar=no,copyhistory=no,status=no,directories=no,scrollbars=yes,resizable=yes";
$info->onclick = "window.open('{$fullurl}', '', '{$wh}'); return false;";
} else {
if ($display == RESOURCELIB_DISPLAY_NEW) {
$fullurl = "{$CFG->wwwroot}/mod/resource/view.php?id={$coursemodule->id}&redirect=1";
$info->onclick = "window.open('{$fullurl}'); return false;";
}
}
// If any optional extra details are turned on, store in custom data,
// add some file details as well to be used later by resource_get_optional_details() without retriving.
// Do not store filedetails if this is a reference - they will still need to be retrieved every time.
if (($filedetails = resource_get_file_details($resource, $coursemodule)) && empty($filedetails['isref'])) {
$displayoptions = @unserialize($resource->displayoptions);
$displayoptions['filedetails'] = $filedetails;
$info->customdata = serialize($displayoptions);
} else {
$info->customdata = $resource->displayoptions;
}
return $info;
}