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