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efrain |
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<?php
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class block_cesa_course_rating extends block_base {
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public function init() {
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$this->title = get_string('pluginname', 'block_cesa_course_rating');
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}
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public function applicable_formats() {
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return [
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'all' => false,
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'my' => false,
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'admin' => false,
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'course' => false,
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'course-view' => true,
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'enrol' => true,
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];
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}
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function specialization() {
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global $CFG, $DB;
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if (empty($this->config)) {
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$this->instance->defaultregion = 'below-content';
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$this->instance->region = 'below-content';
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$DB->update_record('block_instances', $this->instance);
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$this->config->title = 'Students feedback';
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}
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}
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function instance_allow_multiple() {
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return false;
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}
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public function html_attributes() {
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global $CFG;
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$attributes = parent::html_attributes();
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/*
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$ccn_mt = '';
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$ccn_mb = '';
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$ccn_pt = '';
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$ccn_pb = '';
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$ccn_css_class = '';
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if(!empty($this->config->ccn_margin_top)){
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if($this->config->ccn_margin_top == '0') {
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$ccn_mt = '';
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} elseif($this->config->ccn_margin_top == 'zero') {
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$ccn_mt = 'margin-top:0px;';
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} else {
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$ccn_mt = 'margin-top:'.$this->config->ccn_margin_top.'px;';
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}
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}
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if(!empty($this->config->ccn_margin_bottom)){
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$ccn_mb = 'margin-bottom:'.$this->config->ccn_margin_bottom.'px;';
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} else {
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$ccn_mb = '';
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}
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if(!empty($this->config->ccn_padding_top)){
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$ccn_pt = 'padding-top:'.$this->config->ccn_padding_top.'px;';
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} else {
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$ccn_pt = '';
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}
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if(!empty($this->config->ccn_padding_bottom)){
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$ccn_pb = 'padding-bottom:'.$this->config->ccn_padding_bottom.'px;';
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} else {
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$ccn_pb = '';
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}
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if(!empty($this->config->ccn_css_class)){
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$ccn_css_class = $this->config->ccn_css_class;
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} else {
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$ccn_css_class = '';
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}
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$ccn_stylize = $ccn_mt . $ccn_mb . $ccn_pt . $ccn_pb;
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$attributes['ccn_style'] = $ccn_stylize;
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// $attributes['class'] .= ' block_'. $this->name();
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$attributes['class'] .= ' '. $ccn_css_class;
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*/
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return $attributes;
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}
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public function has_config() {
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return true;
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}
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public function get_content() {
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global $CFG, $COURSE;
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if ($this->content !== null) {
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// return $this->content;
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}
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$this->content = new stdClass;
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if(!empty($this->config->title)){$this->content->title = format_text($this->config->title, FORMAT_HTML, array('filter' => true));} else {$this->content->title = get_string('pluginname', 'block_cesa_course_rating');}
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$courseid = $COURSE->id;
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$context = get_context_instance(CONTEXT_COURSE, $courseid);
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$canRate = has_capability('block/cesa_course_rating:rate', $context);
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if($canRate == 1) {
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$canRateClass = 'ccn-can-rate';
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} else {
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$canRateClass = 'ccn-cannot-rate';
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}
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$ccnSubmitRating = $this->submit_rating();
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$this->content->text = '';
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$ccnRating = number_format($this->overall_rating($COURSE->id), 1);
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$ccnStar = '<li class="list-inline-item"><i class="fa fa-star"></i></li>';
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$ccnStarHalf = '<li class="list-inline-item"><i class="fa fa-star-half-o"></i></li>';
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$ccnStarVoid = '<li class="list-inline-item"><i class="fa fa-star-o"></i></li>';
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if($ccnRating == 5) {
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$ccnStars = str_repeat($ccnStar, 5);
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} elseif($ccnRating == 4.5) {
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$ccnStars = str_repeat($ccnStar, 4) . str_repeat($ccnStarHalf, 1);
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} elseif($ccnRating == 4) {
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$ccnStars = str_repeat($ccnStar, 4) . str_repeat($ccnStarVoid, 1);
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} elseif($ccnRating == 3.5) {
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$ccnStars = str_repeat($ccnStar, 3) . str_repeat($ccnStarHalf, 1) . str_repeat($ccnStarVoid, 1);
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} elseif($ccnRating == 3) {
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$ccnStars = str_repeat($ccnStar, 3) . str_repeat($ccnStarVoid, 2);
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} elseif($ccnRating == 2.5) {
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$ccnStars = str_repeat($ccnStar, 2) . str_repeat($ccnStarHalf, 1) . str_repeat($ccnStarVoid, 2);
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} elseif($ccnRating == 2) {
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$ccnStars = str_repeat($ccnStar, 2) . str_repeat($ccnStarVoid, 3);
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} elseif($ccnRating == 1.5) {
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$ccnStars = str_repeat($ccnStar, 1) . str_repeat($ccnStarHalf, 1) . str_repeat($ccnStarVoid, 3);
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} elseif($ccnRating == 0.5) {
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$ccnStars = str_repeat($ccnStarHalf, 1) . str_repeat($ccnStarVoid, 4);
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} else {
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$ccnStars = str_repeat($ccnStarVoid, 5);
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}
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$ccnFive = $this->get_specific_average($COURSE->id, 5);
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$ccnFour = $this->get_specific_average($COURSE->id, 4);
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$ccnThree = $this->get_specific_average($COURSE->id, 3);
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$ccnTwo = $this->get_specific_average($COURSE->id, 2);
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$ccnOne = $this->get_specific_average($COURSE->id, 1);
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$this->content->text .= '
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<div class="cs_row_five">
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<div class="student_feedback_container">
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<h4 data-ccn="title" class="aii_title">'.$this->content->title.'</h4>
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<div class="s_feeback_content">
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<ul class="skills">
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<li class="list-inline-item">'.get_string('stars_5', 'block_cesa_course_rating').'</li>
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<li class="list-inline-item progressbar1" data-width="'.$ccnFive.'" data-target="100">'.$ccnFive.'%</li>
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</ul>
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<ul class="skills">
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<li class="list-inline-item">'.get_string('stars_4', 'block_cesa_course_rating').'</li>
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<li class="list-inline-item progressbar2" data-width="'.$ccnFour.'" data-target="100">'.$ccnFour.'%</li>
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</ul>
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<ul class="skills">
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<li class="list-inline-item">'.get_string('stars_3', 'block_cesa_course_rating').'</li>
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<li class="list-inline-item progressbar3" data-width="'.$ccnThree.'" data-target="100">'.$ccnThree.'%</li>
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</ul>
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<ul class="skills">
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<li class="list-inline-item">'.get_string('stars_2', 'block_cesa_course_rating').'</li>
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<li class="list-inline-item progressbar4" data-width="'.$ccnTwo.'" data-target="100">'.$ccnTwo.'%</li>
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</ul>
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<ul class="skills">
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<li class="list-inline-item">'.get_string('stars_1', 'block_cesa_course_rating').'</li>
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<li class="list-inline-item progressbar5" data-width="'.$ccnOne.'" data-target="100">'.$ccnOne.'%</li>
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</ul>
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</div>
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<div class="aii_average_review text-center '.$canRateClass.'">
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<div class="av_content">
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<h2>'.$ccnRating.'</h2>
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<ul class="aii_rive_list mb0">
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'.$ccnStars.'
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</ul>
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<p>'.$this->count_ratings($COURSE->id).'</p>';
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if($canRate == 1){
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$this->content->text .= $ccnSubmitRating;
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}
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$this->content->text .='
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</div>
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</div>
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</div>
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</div>';
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return $this->content;
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}
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public function overall_rating($courseID) {
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global $CFG, $DB;
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$sql = " SELECT AVG(rating) AS average
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FROM {block_cesa_course_rating}
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WHERE course = $courseID
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";
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$totalAverage = -1;
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if ($getAverage = $DB->get_record_sql($sql)) {
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$totalAverage = round($getAverage->average * 2) / 2;
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}
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return $totalAverage;
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}
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public function count_ratings($courseID) {
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global $CFG, $DB;
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$countRecords = $DB->count_records('block_cesa_course_rating', array('course'=>$courseID));
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$countRatings = '';
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if ($countRecords > 0) {
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$countRatings = get_string ('rated_by', 'block_cesa_course_rating', $countRecords);
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} else {
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$countRatings = get_string ('rated_by_none', 'block_cesa_course_rating');
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}
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return $countRatings;
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}
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public function count_ratings_external($courseID) {
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global $CFG, $DB;
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$countRecords = $DB->count_records('block_cesa_course_rating', array('course'=>$courseID));
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return $countRecords;
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}
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public function get_specific_average($courseID, $rating) {
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global $CFG, $DB;
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$countOnlyRating = $DB->count_records('block_cesa_course_rating', array('course'=>$courseID, 'rating'=>$rating));
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$countExcludingRating = $DB->count_records_sql(
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" SELECT COUNT(*)
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FROM {block_cesa_course_rating}
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WHERE course = $courseID
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AND rating <> $rating
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");
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$countTotal = $DB->count_records('block_cesa_course_rating', array('course'=>$courseID));
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if($countTotal == 0) {
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$result = '0';
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} else {
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$result = $countOnlyRating / $countTotal * 100;
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}
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return $result;
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}
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public function submit_rating() {
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global $CFG, $COURSE;
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$courseid = $COURSE->id;
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$context = get_context_instance(CONTEXT_COURSE, $courseid);
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$ccnStar = '<span class="fa fa-star"></span>';
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$return = '<form id="ccn-star-rate" method="post" action="'.$CFG->wwwroot.'/blocks/cesa_course_rating/rate_course.php">
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<input name="id" type="hidden" value="'.$courseid.'" />
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<div class="ccn-star-rate-inner">';
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for ($i = 5; $i >= 1; $i--) {
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$printCcnStar = str_repeat($ccnStar, $i);
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$return .=' <input required type="radio" id="stars-'.$i.'" name="rating" value="'.$i.'" /><label for="stars-'.$i.'"></label>';
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}
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$return .= ' </div>
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<button class="btn btn-primary" type="submit">'.get_string('rate_course', 'block_cesa_course_rating').'</button>
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</form>';
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return $return;
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}
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public function external_star_rating($courseID) {
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$ccnStar = '<li class="list-inline-item"><i class="fa fa-star"></i></li>';
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$ccnStarHalf = '<li class="list-inline-item"><i class="fa fa-star-half-o"></i></li>';
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$ccnStarVoid = '<li class="list-inline-item"><i class="fa fa-star-o"></i></li>';
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$ccnRating = $this->overall_rating($courseID);
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if($ccnRating == 5) {
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$ccnStars = str_repeat($ccnStar, 5);
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} elseif($ccnRating == 4.5) {
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$ccnStars = str_repeat($ccnStar, 4) . str_repeat($ccnStarHalf, 1);
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} elseif($ccnRating == 4) {
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$ccnStars = str_repeat($ccnStar, 4) . str_repeat($ccnStarVoid, 1);
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} elseif($ccnRating == 3.5) {
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$ccnStars = str_repeat($ccnStar, 3) . str_repeat($ccnStarHalf, 1) . str_repeat($ccnStarVoid, 1);
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} elseif($ccnRating == 3) {
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$ccnStars = str_repeat($ccnStar, 3) . str_repeat($ccnStarVoid, 2);
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} elseif($ccnRating == 2.5) {
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$ccnStars = str_repeat($ccnStar, 2) . str_repeat($ccnStarHalf, 1) . str_repeat($ccnStarVoid, 2);
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} elseif($ccnRating == 2) {
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$ccnStars = str_repeat($ccnStar, 2) . str_repeat($ccnStarVoid, 3);
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} elseif($ccnRating == 1.5) {
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$ccnStars = str_repeat($ccnStar, 1) . str_repeat($ccnStarHalf, 1) . str_repeat($ccnStarVoid, 3);
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} elseif($ccnRating == 0.5) {
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$ccnStars = str_repeat($ccnStarHalf, 1) . str_repeat($ccnStarVoid, 4);
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} else {
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$ccnStars = str_repeat($ccnStarVoid, 5);
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}
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$return = '<div class="ccn-external-stars">'.$ccnStars.'<li class="list-inline-item"><span>('.$this->count_ratings_external($courseID).')</span></li></div>';
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return $return;
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}
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}
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