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96 efrain 1 
<?php
2 
 
117 ariadna 3 
class block_cesa_course_rating extends block_base
4 
{
96 efrain 5 
 
6 
 
117 ariadna 7 
  public function init()
8 
  {
9 
    $this->title = get_string('pluginname', 'block_cesa_course_rating');
10 
  }
96 efrain 11 
 
117 ariadna 12 
  public function applicable_formats()
13 
  {
14 
 
15 
    return [
501 ariadna 16 
      'all' => true
117 ariadna 17 
    ];
18 
  }
19 
 
501 ariadna 20 
 
117 ariadna 21 
  function specialization()
22 
  {
501 ariadna 23 
    $this->title = get_string('pluginname', 'block_cesa_course_rating');
24 
    comment::init();
117 ariadna 25 
  }
96 efrain 26 
 
117 ariadna 27 
  function instance_allow_multiple()
28 
  {
29 
    return false;
30 
  }
96 efrain 31 
 
117 ariadna 32 
  public function html_attributes()
33 
  {
34 
    global $CFG;
35 
    $attributes = parent::html_attributes();
36 
 
37 
    /*
96 efrain 38 
      $ccn_mt = '';
39 
      $ccn_mb = '';
40 
      $ccn_pt = '';
41 
      $ccn_pb = '';
42 
      $ccn_css_class = '';
43 
 
44 
      if(!empty($this->config->ccn_margin_top)){
45 
          if($this->config->ccn_margin_top == '0') {
46 
              $ccn_mt = '';
47 
          } elseif($this->config->ccn_margin_top == 'zero') {
48 
              $ccn_mt = 'margin-top:0px;';
49 
          } else {
50 
              $ccn_mt = 'margin-top:'.$this->config->ccn_margin_top.'px;';
51 
          }
52 
      }
53 
      if(!empty($this->config->ccn_margin_bottom)){
54 
          $ccn_mb = 'margin-bottom:'.$this->config->ccn_margin_bottom.'px;';
55 
      } else {
56 
          $ccn_mb = '';
57 
      }
58 
      if(!empty($this->config->ccn_padding_top)){
59 
          $ccn_pt = 'padding-top:'.$this->config->ccn_padding_top.'px;';
60 
      } else {
61 
          $ccn_pt = '';
62 
      }
63 
      if(!empty($this->config->ccn_padding_bottom)){
64 
          $ccn_pb = 'padding-bottom:'.$this->config->ccn_padding_bottom.'px;';
65 
      } else {
66 
          $ccn_pb = '';
67 
      }
68 
      if(!empty($this->config->ccn_css_class)){
69 
          $ccn_css_class = $this->config->ccn_css_class;
70 
      } else {
71 
          $ccn_css_class = '';
72 
      }
73 
 
74 
 
75 
      $ccn_stylize = $ccn_mt . $ccn_mb . $ccn_pt . $ccn_pb;
76 
 
77 
 
78 
 
79 
 
80 
 
81 
      $attributes['ccn_style'] = $ccn_stylize;
82 
      // $attributes['class'] .= ' block_'. $this->name();
83 
      $attributes['class'] .= ' '. $ccn_css_class;
84 
      */
85 
 
86 
 
117 ariadna 87 
    return $attributes;
88 
  }
96 efrain 89 
 
117 ariadna 90 
  public function has_config()
91 
  {
92 
    return true;
93 
  }
96 efrain 94 
 
117 ariadna 95 
  public function get_content()
96 
  {
97 
    global $CFG, $COURSE;
96 efrain 98 
 
117 ariadna 99 
    if ($this->content !== null) {
100 
      // return $this->content;
101 
    }
96 efrain 102 
 
117 ariadna 103 
    $this->content = new stdClass;
96 efrain 104 
 
117 ariadna 105 
    if (!empty($this->config->title)) {
106 
      $this->content->title =  format_text($this->config->title, FORMAT_HTML, array('filter' => true));
107 
    } else {
108 
      $this->content->title = get_string('pluginname', 'block_cesa_course_rating');
109 
    }
96 efrain 110 
 
117 ariadna 111 
    $courseid = $COURSE->id;
112 
    $context = get_context_instance(CONTEXT_COURSE, $courseid);
96 efrain 113 
 
117 ariadna 114 
    $canRate = has_capability('block/cesa_course_rating:rate', $context);
115 
    if ($canRate == 1) {
116 
      $canRateClass = 'ccn-can-rate';
117 
    } else {
118 
      $canRateClass = 'ccn-cannot-rate';
119 
    }
96 efrain 120 
 
117 ariadna 121 
    $ccnSubmitRating = $this->submit_rating();
122 
    $this->content->text = '';
96 efrain 123 
 
117 ariadna 124 
    $ccnRating    = number_format($this->overall_rating($COURSE->id), 1);
96 efrain 125 
 
117 ariadna 126 
    $ccnStar      = '<li class="list-inline-item"><i class="fa fa-star"></i></li>';
127 
    $ccnStarHalf  = '<li class="list-inline-item"><i class="fa fa-star-half-o"></i></li>';
128 
    $ccnStarVoid  = '<li class="list-inline-item"><i class="fa fa-star-o"></i></li>';
96 efrain 129 
 
117 ariadna 130 
    if ($ccnRating == 5) {
131 
      $ccnStars = str_repeat($ccnStar, 5);
132 
    } elseif ($ccnRating == 4.5) {
133 
      $ccnStars = str_repeat($ccnStar, 4) . str_repeat($ccnStarHalf, 1);
134 
    } elseif ($ccnRating == 4) {
135 
      $ccnStars = str_repeat($ccnStar, 4) . str_repeat($ccnStarVoid, 1);
136 
    } elseif ($ccnRating == 3.5) {
137 
      $ccnStars = str_repeat($ccnStar, 3) . str_repeat($ccnStarHalf, 1) . str_repeat($ccnStarVoid, 1);
138 
    } elseif ($ccnRating == 3) {
139 
      $ccnStars = str_repeat($ccnStar, 3) . str_repeat($ccnStarVoid, 2);
140 
    } elseif ($ccnRating == 2.5) {
141 
      $ccnStars = str_repeat($ccnStar, 2) . str_repeat($ccnStarHalf, 1)  . str_repeat($ccnStarVoid, 2);
142 
    } elseif ($ccnRating == 2) {
143 
      $ccnStars = str_repeat($ccnStar, 2) . str_repeat($ccnStarVoid, 3);
144 
    } elseif ($ccnRating == 1.5) {
145 
      $ccnStars = str_repeat($ccnStar, 1) . str_repeat($ccnStarHalf, 1)  . str_repeat($ccnStarVoid, 3);
146 
    } elseif ($ccnRating == 0.5) {
147 
      $ccnStars = str_repeat($ccnStarHalf, 1) . str_repeat($ccnStarVoid, 4);
148 
    } else {
149 
      $ccnStars = str_repeat($ccnStarVoid, 5);
150 
    }
151 
 
152 
    $ccnFive = $this->get_specific_average($COURSE->id, 5);
153 
    $ccnFour = $this->get_specific_average($COURSE->id, 4);
154 
    $ccnThree = $this->get_specific_average($COURSE->id, 3);
155 
    $ccnTwo = $this->get_specific_average($COURSE->id, 2);
156 
    $ccnOne = $this->get_specific_average($COURSE->id, 1);
157 
 
158 
    $this->content->text .= '
96 efrain 159 
        	<div class="cs_row_five">
160 
									<div class="student_feedback_container">
117 ariadna 161 
										<h4 data-ccn="title" class="aii_title">' . $this->content->title . '</h4>
96 efrain 162 
										<div class="s_feeback_content">
163 
									        <ul class="skills">
117 ariadna 164 
									        	<li class="list-inline-item">' . get_string('stars_5', 'block_cesa_course_rating') . '</li>
165 
									            <li class="list-inline-item progressbar1" data-width="' . $ccnFive . '" data-target="100">' . $ccnFive . '%</li>
96 efrain 166 
									        </ul>
167 
									        <ul class="skills">
117 ariadna 168 
									        	<li class="list-inline-item">' . get_string('stars_4', 'block_cesa_course_rating') . '</li>
169 
									            <li class="list-inline-item progressbar2" data-width="' . $ccnFour . '" data-target="100">' . $ccnFour . '%</li>
96 efrain 170 
									        </ul>
171 
									        <ul class="skills">
117 ariadna 172 
									        	<li class="list-inline-item">' . get_string('stars_3', 'block_cesa_course_rating') . '</li>
173 
									            <li class="list-inline-item progressbar3" data-width="' . $ccnThree . '" data-target="100">' . $ccnThree . '%</li>
96 efrain 174 
									        </ul>
175 
									        <ul class="skills">
117 ariadna 176 
									        	<li class="list-inline-item">' . get_string('stars_2', 'block_cesa_course_rating') . '</li>
177 
									            <li class="list-inline-item progressbar4" data-width="' . $ccnTwo . '" data-target="100">' . $ccnTwo . '%</li>
96 efrain 178 
									        </ul>
179 
									        <ul class="skills">
117 ariadna 180 
									        	<li class="list-inline-item">' . get_string('stars_1', 'block_cesa_course_rating') . '</li>
181 
									            <li class="list-inline-item progressbar5" data-width="' . $ccnOne . '" data-target="100">' . $ccnOne . '%</li>
96 efrain 182 
									        </ul>
183 
										</div>
117 ariadna 184 
										<div class="aii_average_review text-center ' . $canRateClass . '">
96 efrain 185 
											<div class="av_content">
117 ariadna 186 
												<h2>' . $ccnRating . '</h2>
96 efrain 187 
												<ul class="aii_rive_list mb0">
117 ariadna 188 
													' . $ccnStars . '
96 efrain 189 
												</ul>
117 ariadna 190 
												<p>' . $this->count_ratings($COURSE->id) . '</p>';
191 
    if ($canRate == 1) {
192 
      $this->content->text .= $ccnSubmitRating;
193 
    }
194 
    $this->content->text .= '
96 efrain 195 
											</div>
196 
										</div>
197 
									</div>
198 
								</div>';
117 ariadna 199 
    return $this->content;
200 
  }
96 efrain 201 
 
117 ariadna 202 
  public function overall_rating($courseID)
203 
  {
204 
    global $CFG, $DB;
205 
    $sql = "  SELECT AVG(rating) AS average
96 efrain 206 
                  FROM {block_cesa_course_rating}
207 
                  WHERE course = $courseID
208 
               ";
117 ariadna 209 
    $totalAverage = -1;
210 
    if ($getAverage = $DB->get_record_sql($sql)) {
211 
      $totalAverage = round($getAverage->average * 2) / 2;
96 efrain 212 
    }
117 ariadna 213 
    return $totalAverage;
214 
  }
96 efrain 215 
 
117 ariadna 216 
  public function count_ratings($courseID)
217 
  {
218 
    global $CFG, $DB;
219 
    $countRecords = $DB->count_records('block_cesa_course_rating', array('course' => $courseID));
220 
    $countRatings = '';
221 
    if ($countRecords > 0) {
222 
      $countRatings = get_string('rated_by', 'block_cesa_course_rating', $countRecords);
223 
    } else {
224 
      $countRatings = get_string('rated_by_none', 'block_cesa_course_rating');
96 efrain 225 
    }
117 ariadna 226 
    return $countRatings;
227 
  }
228 
  public function count_ratings_external($courseID)
229 
  {
230 
    global $CFG, $DB;
231 
    $countRecords = $DB->count_records('block_cesa_course_rating', array('course' => $courseID));
232 
    return $countRecords;
233 
  }
96 efrain 234 
 
117 ariadna 235 
  public function get_specific_average($courseID, $rating)
236 
  {
237 
    global $CFG, $DB;
238 
    $countOnlyRating        = $DB->count_records('block_cesa_course_rating', array('course' => $courseID, 'rating' => $rating));
239 
    $countExcludingRating   = $DB->count_records_sql(
240 
      "       SELECT COUNT(*)
96 efrain 241 
                FROM {block_cesa_course_rating}
242 
                WHERE course = $courseID
243 
                AND rating <> $rating
117 ariadna 244 
        "
245 
    );
96 efrain 246 
 
117 ariadna 247 
    $countTotal             = $DB->count_records('block_cesa_course_rating', array('course' => $courseID));
96 efrain 248 
 
117 ariadna 249 
    if ($countTotal == 0) {
250 
      $result = '0';
251 
    } else {
252 
      $result = $countOnlyRating / $countTotal * 100;
96 efrain 253 
    }
117 ariadna 254 
    return $result;
255 
  }
96 efrain 256 
 
117 ariadna 257 
  public function submit_rating()
258 
  {
96 efrain 259 
 
117 ariadna 260 
    global $CFG, $COURSE;
96 efrain 261 
 
117 ariadna 262 
    $courseid = $COURSE->id;
263 
    $context = get_context_instance(CONTEXT_COURSE, $courseid);
96 efrain 264 
 
117 ariadna 265 
    $ccnStar =  '<span class="fa fa-star"></span>';
266 
    $return =   '<form id="ccn-star-rate" method="post" action="' . $CFG->wwwroot . '/blocks/cesa_course_rating/rate_course.php">
267 
                    <input name="id" type="hidden" value="' . $courseid . '" />
96 efrain 268 
                    <div class="ccn-star-rate-inner">';
117 ariadna 269 
    for ($i = 5; $i >= 1; $i--) {
270 
      $printCcnStar = str_repeat($ccnStar, $i);
271 
      $return .= '    <input required type="radio" id="stars-' . $i . '" name="rating" value="' . $i . '" /><label for="stars-' . $i . '"></label>';
272 
    }
273 
    $return .= '  </div>
274 
                    <button class="btn btn-primary" type="submit">' . get_string('rate_course', 'block_cesa_course_rating') . '</button>
96 efrain 275 
                  </form>';
117 ariadna 276 
    return $return;
277 
  }
96 efrain 278 
 
117 ariadna 279 
  public function external_star_rating($courseID)
280 
  {
96 efrain 281 
 
117 ariadna 282 
    $ccnStar      = '<li class="list-inline-item"><i class="fa fa-star"></i></li>';
283 
    $ccnStarHalf  = '<li class="list-inline-item"><i class="fa fa-star-half-o"></i></li>';
284 
    $ccnStarVoid  = '<li class="list-inline-item"><i class="fa fa-star-o"></i></li>';
285 
    $ccnRating    = $this->overall_rating($courseID);
96 efrain 286 
 
117 ariadna 287 
    if ($ccnRating == 5) {
288 
      $ccnStars = str_repeat($ccnStar, 5);
289 
    } elseif ($ccnRating == 4.5) {
290 
      $ccnStars = str_repeat($ccnStar, 4) . str_repeat($ccnStarHalf, 1);
291 
    } elseif ($ccnRating == 4) {
292 
      $ccnStars = str_repeat($ccnStar, 4) . str_repeat($ccnStarVoid, 1);
293 
    } elseif ($ccnRating == 3.5) {
294 
      $ccnStars = str_repeat($ccnStar, 3) . str_repeat($ccnStarHalf, 1) . str_repeat($ccnStarVoid, 1);
295 
    } elseif ($ccnRating == 3) {
296 
      $ccnStars = str_repeat($ccnStar, 3) . str_repeat($ccnStarVoid, 2);
297 
    } elseif ($ccnRating == 2.5) {
298 
      $ccnStars = str_repeat($ccnStar, 2) . str_repeat($ccnStarHalf, 1)  . str_repeat($ccnStarVoid, 2);
299 
    } elseif ($ccnRating == 2) {
300 
      $ccnStars = str_repeat($ccnStar, 2) . str_repeat($ccnStarVoid, 3);
301 
    } elseif ($ccnRating == 1.5) {
302 
      $ccnStars = str_repeat($ccnStar, 1) . str_repeat($ccnStarHalf, 1)  . str_repeat($ccnStarVoid, 3);
303 
    } elseif ($ccnRating == 0.5) {
304 
      $ccnStars = str_repeat($ccnStarHalf, 1) . str_repeat($ccnStarVoid, 4);
305 
    } else {
306 
      $ccnStars = str_repeat($ccnStarVoid, 5);
96 efrain 307 
    }
308 
 
117 ariadna 309 
    $return = '<div class="ccn-external-stars">' . $ccnStars . '<li class="list-inline-item"><span>(' . $this->count_ratings_external($courseID) . ')</span></li></div>';
310 
    return $return;
311 
  }
96 efrain 312 
}