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Code Issues Projects Releases Wiki Activity

MDL-59779 analytics: Reduce community of inquiry indicators db queries

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This commit is contained in:
David Monllao 2017-08-10 11:07:23 +02:00
parent 05c3727674
commit fbc889a268
11 changed files with 118 additions and 2 deletions
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16
analytics/classes/local/indicator/base.php
View File

@ -121,6 +121,22 @@ abstract class base extends \core_analytics\calculable {
return self::MIN_VALUE;
}
/**
* Hook to allow indicators to pre-fill data that is shared accross time range calculations.
*
* Useful to fill analysable-dependant data that does not depend on the time ranges. Use
* instance vars to cache data that can be re-used across samples calculations but changes
* between time ranges (indicator instances are reset between time ranges to avoid unexpected
* problems).
*
* You are also responsible of emptying previous analysable caches.
*
* @param \core_analytics\analysable $analysable
* @return void
*/
public function fill_per_analysable_caches(\core_analytics\analysable $analysable) {
}
/**
* Calculates the indicator.
*

29
analytics/classes/local/indicator/community_of_inquiry_activity.php
View File

@ -60,6 +60,20 @@ abstract class community_of_inquiry_activity extends linear {
*/
const INDICATOR_SOCIAL = "social";
/**
* Fetch the course grades of this activity type instances.
*
* @param \core_analytics\analysable $analysable
* @return void
*/
public function fill_per_analysable_caches(\core_analytics\analysable $analysable) {
// Better to check it, we can not be 100% it will be a \core_analytics\course object.
if ($analysable instanceof \core_analytics\course) {
$this->fetch_student_grades($analysable);
}
}
/**
* Returns the activity type. No point in changing this class in children classes.
*
@ -396,8 +410,8 @@ abstract class community_of_inquiry_activity extends linear {
}
if ($this->grades === null) {
$courseactivities = $this->course->get_all_activities($this->get_activity_type());
$this->grades = $this->course->get_student_grades($courseactivities);
// Even if this is probably already filled during fill_per_analysable_caches.
$this->fetch_student_grades($this->course);
}
if ($cm = $this->retrieve('cm', $sampleid)) {
@ -645,6 +659,17 @@ abstract class community_of_inquiry_activity extends linear {
throw new \coding_exception("Indicator type is invalid.");
}
/**
* Gets the course student grades.
*
* @param \core_analytics\course $course
* @return void
*/
protected function fetch_student_grades(\core_analytics\course $course) {
$courseactivities = $course->get_all_activities($this->get_activity_type());
$this->grades = $course->get_student_grades($courseactivities);
}
/**
* Defines indicator type.
*

3
analytics/classes/local/time_splitting/base.php
View File

@ -201,6 +201,9 @@ abstract class base {
// Fill the dataset samples with indicators data.
foreach ($indicators as $indicator) {
// Hook to allow indicators to store analysable-dependant data.
$indicator->fill_per_analysable_caches($this->analysable);
// Per-range calculations.
foreach ($ranges as $rangeindex => $range) {

9
mod/book/classes/analytics/indicator/activity_base.php
View File

@ -34,4 +34,13 @@ defined('MOODLE_INTERNAL') || die();
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
abstract class activity_base extends \core_analytics\local\indicator\community_of_inquiry_activity {
/**
* No need to fetch grades for resources.
*
* @param \core_analytics\course $course
* @return void
*/
public function fetch_student_grades(\core_analytics\course $course) {
}
}

9
mod/folder/classes/analytics/indicator/activity_base.php
View File

@ -34,4 +34,13 @@ defined('MOODLE_INTERNAL') || die();
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
abstract class activity_base extends \core_analytics\local\indicator\community_of_inquiry_activity {
/**
* No need to fetch grades for resources.
*
* @param \core_analytics\course $course
* @return void
*/
public function fetch_student_grades(\core_analytics\course $course) {
}
}

9
mod/imscp/classes/analytics/indicator/activity_base.php
View File

@ -34,4 +34,13 @@ defined('MOODLE_INTERNAL') || die();
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
abstract class activity_base extends \core_analytics\local\indicator\community_of_inquiry_activity {
/**
* No need to fetch grades for resources.
*
* @param \core_analytics\course $course
* @return void
*/
public function fetch_student_grades(\core_analytics\course $course) {
}
}

9
mod/label/classes/analytics/indicator/activity_base.php
View File

@ -34,4 +34,13 @@ defined('MOODLE_INTERNAL') || die();
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
abstract class activity_base extends \core_analytics\local\indicator\community_of_inquiry_activity {
/**
* No need to fetch grades for resources.
*
* @param \core_analytics\course $course
* @return void
*/
public function fetch_student_grades(\core_analytics\course $course) {
}
}

9
mod/page/classes/analytics/indicator/activity_base.php
View File

@ -34,4 +34,13 @@ defined('MOODLE_INTERNAL') || die();
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
abstract class activity_base extends \core_analytics\local\indicator\community_of_inquiry_activity {
/**
* No need to fetch grades for resources.
*
* @param \core_analytics\course $course
* @return void
*/
public function fetch_student_grades(\core_analytics\course $course) {
}
}

9
mod/resource/classes/analytics/indicator/activity_base.php
View File

@ -34,4 +34,13 @@ defined('MOODLE_INTERNAL') || die();
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
abstract class activity_base extends \core_analytics\local\indicator\community_of_inquiry_activity {
/**
* No need to fetch grades for resources.
*
* @param \core_analytics\course $course
* @return void
*/
public function fetch_student_grades(\core_analytics\course $course) {
}
}

9
mod/survey/classes/analytics/indicator/activity_base.php
View File

@ -34,4 +34,13 @@ defined('MOODLE_INTERNAL') || die();
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
abstract class activity_base extends \core_analytics\local\indicator\community_of_inquiry_activity {
/**
* No need to fetch grades.
*
* @param \core_analytics\course $course
* @return void
*/
public function fetch_student_grades(\core_analytics\course $course) {
}
}

9
mod/url/classes/analytics/indicator/activity_base.php
View File

@ -34,4 +34,13 @@ defined('MOODLE_INTERNAL') || die();
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
abstract class activity_base extends \core_analytics\local\indicator\community_of_inquiry_activity {
/**
* No need to fetch grades for resources.
*
* @param \core_analytics\course $course
* @return void
*/
public function fetch_student_grades(\core_analytics\course $course) {
}
}