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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Prediction models list page.
*
* @package tool_analytics
* @copyright 2016 David Monllao {@link http://www.davidmonllao.com}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
namespace tool_analytics\output;
defined('MOODLE_INTERNAL') || die();
/**
* Shows tool_analytics models list.
*
* @package tool_analytics
* @copyright 2016 David Monllao {@link http://www.davidmonllao.com}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class models_list implements \renderable, \templatable {
/**
* models
*
* @var \core_analytics\model[]
*/
protected $models = array();
/**
* __construct
*
* @param \core_analytics\model[] $models
* @return void
*/
public function __construct($models) {
$this->models = $models;
}
/**
* Exports the data.
*
* @param \renderer_base $output
* @return \stdClass
*/
public function export_for_template(\renderer_base $output) {
global $PAGE;
$data = new \stdClass();
$newmodelmenu = new \action_menu();
$newmodelmenu->set_menu_trigger(get_string('newmodel', 'tool_analytics'), 'btn btn-default');
$newmodelmenu->set_alignment(\action_menu::TL, \action_menu::BL);
$newmodelmenu->add(new \action_menu_link(
new \moodle_url('/admin/tool/analytics/createmodel.php'),
new \pix_icon('i/edit', ''),
get_string('createmodel', 'tool_analytics'),
false
));
$newmodelmenu->add(new \action_menu_link(
new \moodle_url('/admin/tool/analytics/importmodel.php'),
new \pix_icon('i/import', ''),
get_string('importmodel', 'tool_analytics'),
false
));
$newmodelmenu->add(new \action_menu_link(
new \moodle_url('/admin/tool/analytics/restoredefault.php'),
new \pix_icon('i/reload', ''),
get_string('restoredefault', 'tool_analytics'),
false
));
$data->newmodelmenu = $newmodelmenu->export_for_template($output);
$onlycli = get_config('analytics', 'onlycli');
if ($onlycli === false) {
// Default applied if no config found.
$onlycli = 1;
}
// Evaluation options.
$timesplittingmethods = [
['id' => 'all', 'text' => get_string('alltimesplittingmethods', 'tool_analytics')],
];
foreach (\core_analytics\manager::get_time_splitting_methods_for_evaluation(true) as $timesplitting) {
$timesplittingmethods[] = [
'id' => \tool_analytics\output\helper::class_to_option($timesplitting->get_id()),
'text' => $timesplitting->get_name()->out(),
];
}
$data->models = array();
foreach ($this->models as $model) {
$modeldata = $model->export($output);
// Check if there is a help icon for the target to show.
$identifier = $modeldata->target->get_identifier();
$component = $modeldata->target->get_component();
if (get_string_manager()->string_exists($identifier . '_help', $component)) {
$helpicon = new \help_icon($identifier, $component);
$modeldata->targethelp = $helpicon->export_for_template($output);
} else {
// We really want to encourage developers to add help to their targets.
debugging("The target '{$modeldata->target}' should include a '{$identifier}_help' string to
describe its purpose.", DEBUG_DEVELOPER);
}
// Check if there is a help icon for the indicators to show.
if (!empty($modeldata->indicators)) {
$indicators = array();
foreach ($modeldata->indicators as $ind) {
// Create the indicator with the details we want for the context.
$indicator = new \stdClass();
$indicator->name = $ind->out();
$identifier = $ind->get_identifier();
$component = $ind->get_component();
if (get_string_manager()->string_exists($identifier . '_help', $component)) {
$helpicon = new \help_icon($identifier, $component);
$indicator->help = $helpicon->export_for_template($output);
} else {
// We really want to encourage developers to add help to their indicators.
debugging("The indicator '{$ind}' should include a '{$identifier}_help' string to
describe its purpose.", DEBUG_DEVELOPER);
}
$indicators[] = $indicator;
}
$modeldata->indicators = $indicators;
}
$modeldata->indicatorsnum = count($modeldata->indicators);
// Check if there is a help icon for the time splitting method.
if (!empty($modeldata->timesplitting)) {
$identifier = $modeldata->timesplitting->get_identifier();
$component = $modeldata->timesplitting->get_component();
if (get_string_manager()->string_exists($identifier . '_help', $component)) {
$helpicon = new \help_icon($identifier, $component);
$modeldata->timesplittinghelp = $helpicon->export_for_template($output);
} else {
// We really want to encourage developers to add help to their time splitting methods.
debugging("The time splitting method '{$modeldata->timesplitting}' should include a '{$identifier}_help'
string to describe its purpose.", DEBUG_DEVELOPER);
}
} else {
$helpicon = new \help_icon('timesplittingnotdefined', 'tool_analytics');
$modeldata->timesplittinghelp = $helpicon->export_for_template($output);
}
// Has this model generated predictions?.
$predictioncontexts = $model->get_predictions_contexts();
// Model predictions list.
if (!$model->is_enabled()) {
$modeldata->noinsights = get_string('disabledmodel', 'analytics');
} else if ($model->uses_insights()) {
if ($predictioncontexts) {
foreach ($predictioncontexts as $contextid => $unused) {
// We prepare this to be used as single_select template options.
$context = \context::instance_by_id($contextid);
// Special name for system level predictions as showing "System is not visually nice".
if ($contextid == SYSCONTEXTID) {
$contextname = get_string('allpredictions', 'tool_analytics');
} else {
$contextname = shorten_text($context->get_context_name(true, true), 90);
}
$predictioncontexts[$contextid] = $contextname;
}
\core_collator::asort($predictioncontexts);
if (!empty($predictioncontexts)) {
$url = new \moodle_url('/report/insights/insights.php', array('modelid' => $model->get_id()));
$singleselect = new \single_select($url, 'contextid', $predictioncontexts);
$modeldata->insights = $singleselect->export_for_template($output);
}
}
if (empty($modeldata->insights)) {
if ($model->any_prediction_obtained()) {
$modeldata->noinsights = get_string('noinsights', 'analytics');
} else {
$modeldata->noinsights = get_string('nopredictionsyet', 'analytics');
}
}
} else {
$modeldata->noinsights = get_string('noinsightsmodel', 'analytics');
}
// Actions.
$actionsmenu = new \action_menu();
$actionsmenu->set_menu_trigger(get_string('actions'));
$actionsmenu->set_owner_selector('model-actions-' . $model->get_id());
$actionsmenu->set_alignment(\action_menu::TL, \action_menu::BL);
$urlparams = ['id' => $model->get_id(), 'sesskey' => sesskey()];
// Get predictions.
if (!$onlycli && $modeldata->enabled && !empty($modeldata->timesplitting)) {
$urlparams['action'] = 'getpredictions';
$url = new \moodle_url('model.php', $urlparams);
$icon = new \action_menu_link_secondary($url, new \pix_icon('i/notifications',
get_string('getpredictions', 'tool_analytics')), get_string('getpredictions', 'tool_analytics'));
$actionsmenu->add($icon);
}
// Evaluate machine-learning-based models.
if (!$onlycli && $model->get_indicators() && !$model->is_static()) {
// Extra is_trained call as trained_locally returns false if the model has not been trained yet.
$trainedonlyexternally = !$model->trained_locally() && $model->is_trained();
$actionid = 'evaluate-' . $model->get_id();
$modeltimesplittingmethods = $timesplittingmethods;
// Include the current time-splitting method as the default selection method the model already have one.
if ($model->get_model_obj()->timesplitting) {
$currenttimesplitting = ['id' => 'current', 'text' => get_string('currenttimesplitting', 'tool_analytics')];
array_unshift($modeltimesplittingmethods, $currenttimesplitting);
}
$evaluateparams = [$actionid, $trainedonlyexternally, $modeltimesplittingmethods];
$PAGE->requires->js_call_amd('tool_analytics/model', 'selectEvaluationOptions', $evaluateparams);
$urlparams['action'] = 'evaluate';
$url = new \moodle_url('model.php', $urlparams);
$icon = new \action_menu_link_secondary($url, new \pix_icon('i/calc', get_string('evaluate', 'tool_analytics')),
get_string('evaluate', 'tool_analytics'), ['data-action-id' => $actionid]);
$actionsmenu->add($icon);
}
// Machine-learning-based models evaluation log.
if (!$model->is_static() && $model->get_logs()) {
$urlparams['action'] = 'log';
$url = new \moodle_url('model.php', $urlparams);
$icon = new \action_menu_link_secondary($url, new \pix_icon('i/report', get_string('viewlog', 'tool_analytics')),
get_string('viewlog', 'tool_analytics'));
$actionsmenu->add($icon);
}
// Edit model.
$urlparams['action'] = 'edit';
$url = new \moodle_url('model.php', $urlparams);
$icon = new \action_menu_link_secondary($url, new \pix_icon('t/edit', get_string('edit')), get_string('edit'));
$actionsmenu->add($icon);
// Enable / disable.
if ($model->is_enabled() || !empty($modeldata->timesplitting)) {
// If there is no timesplitting method set, the model can not be enabled.
if ($model->is_enabled()) {
$action = 'disable';
$text = get_string('disable');
$icontype = 't/block';
} else {
$action = 'enable';
$text = get_string('enable');
$icontype = 'i/checked';
}
$urlparams['action'] = $action;
$url = new \moodle_url('model.php', $urlparams);
$icon = new \action_menu_link_secondary($url, new \pix_icon($icontype, $text), $text);
$actionsmenu->add($icon);
}
// Export.
if (!$model->is_static()) {
$fullysetup = $model->get_indicators() && !empty($modeldata->timesplitting);
$istrained = $model->is_trained();
if ($fullysetup || $istrained) {
$url = new \moodle_url('model.php', $urlparams);
// Clear the previous action param from the URL, we will set it in JS.
$url->remove_params('action');
$actionid = 'export-' . $model->get_id();
$PAGE->requires->js_call_amd('tool_analytics/model', 'selectExportOptions',
[$actionid, $istrained]);
$icon = new \action_menu_link_secondary($url, new \pix_icon('i/export',
get_string('export', 'tool_analytics')), get_string('export', 'tool_analytics'),
['data-action-id' => $actionid]);
$actionsmenu->add($icon);
}
}
// Invalid analysables.
$analyser = $model->get_analyser(['notimesplitting' => true]);
if (!$analyser instanceof \core_analytics\local\analyser\sitewide) {
$urlparams['action'] = 'invalidanalysables';
$url = new \moodle_url('model.php', $urlparams);
$pix = new \pix_icon('i/report', get_string('invalidanalysables', 'tool_analytics'));
$icon = new \action_menu_link_secondary($url, $pix, get_string('invalidanalysables', 'tool_analytics'));
$actionsmenu->add($icon);
}
// Clear model.
if (!empty($predictioncontexts) || $model->is_trained()) {
$actionid = 'clear-' . $model->get_id();
$PAGE->requires->js_call_amd('tool_analytics/model', 'confirmAction', [$actionid, 'clear']);
$urlparams['action'] = 'clear';
$url = new \moodle_url('model.php', $urlparams);
$icon = new \action_menu_link_secondary($url, new \pix_icon('e/cleanup_messy_code',
get_string('clearpredictions', 'tool_analytics')), get_string('clearpredictions', 'tool_analytics'),
['data-action-id' => $actionid]);
$actionsmenu->add($icon);
}
// Delete model.
$actionid = 'delete-' . $model->get_id();
$PAGE->requires->js_call_amd('tool_analytics/model', 'confirmAction', [$actionid, 'delete']);
$urlparams['action'] = 'delete';
$url = new \moodle_url('model.php', $urlparams);
$icon = new \action_menu_link_secondary($url, new \pix_icon('t/delete',
get_string('delete', 'tool_analytics')), get_string('delete', 'tool_analytics'),
['data-action-id' => $actionid]);
$actionsmenu->add($icon);
$modeldata->actions = $actionsmenu->export_for_template($output);
$data->models[] = $modeldata;
}
if (!$onlycli) {
$data->warnings = array(
(object)array('message' => get_string('bettercli', 'tool_analytics'), 'closebutton' => true)
);
} else {
$url = new \moodle_url('/admin/settings.php', array('section' => 'analyticssettings'),
'id_s_analytics_onlycli');
$langstrid = 'clievaluationandpredictionsnoadmin';
if (is_siteadmin()) {
$langstrid = 'clievaluationandpredictions';
}
$data->infos = array(
(object)array('message' => get_string($langstrid, 'tool_analytics', $url->out()),
'closebutton' => true)
);
}
return $data;
}
}