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1 <?
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2 $pageCSS = array("http://tnsp.org/docs1.css", "luk.css");
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3 $pageCharset = "iso-8859-15";
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4 $luokkaDefault = "TTE9SNO";
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5
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5 $dataDir = "cache/";
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6 $classFile = "luokat.txt";
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7 $mapFile = "kartta.png";
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8 $roomFile = "luokkatilat.txt";
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9 $cacheFile = "coursecache.txt";
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10 $baseURI = "http://tnsp.org/luk/beta.php";
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11 $infoURI = "http://www.oamk.fi/opiskelijalle/rakenne/opinto-opas/koulutusohjelmat/?sivu=oj&kieli=FI&opas=2010-2011&vuosi=10S11K&koodi1=";
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12
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13 $showDays = 6;
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14 $dayNames = array("Maanantai", "Tiistai", "Keskiviikko", "Torstai", "Perjantai", "Lauantai", "Sunnuntai");
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15
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5
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16 // Include framework
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17 require "mcommon.inc.php";
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18 require "merrors.inc.php";
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19
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2
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20
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5
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21 // Helper functions
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22 function checkClassID(&$id)
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23 {
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24 global $luokkaDefault;
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25 if (!preg_match("#^[A-Z]{3}\d\S+#", $id)) {
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26 errorMsg("Virhe! Luokan täytyy olla muotoa <b>XXXnXXX</b>, käytetään vakioavoa <b>".$luokkaDefault."</b>.");
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27 $id = $luokkaDefault;
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28 return FALSE;
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29 } else
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30 return TRUE;
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31 }
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32
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33
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34 // Check given parameters
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35 if (isset($_GET["luokka"])) {
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36 $luokka = $_GET["luokka"];
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37 if (checkClassID($luokka)) {
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38 setcookie("lukluokka", $luokka, time() + 365*24*60*60); // expire in a year
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39 }
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40 } else
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41 if (isset($_COOKIE["lukluokka"])) {
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42 $luokka = $_COOKIE["lukluokka"];
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43 checkClassID($luokka);
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44 } else {
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45 errorMsg("Luokkaa ei asetettu, käytetään vakioarvoa <b>".$luokkaDefault."</b>.");
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46 $luokka = $luokkaDefault;
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47 }
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48
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49
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50 if (isset($_GET["tila"])) {
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51 $tila = $_GET["tila"];
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52 echo "Luokkatilan näyttömoodi ei vielä tuettu.<br />\n";
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53 exit;
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54
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55 $fp = @fopen($roomFile, "rb");
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56 if ($fp) {
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57 fclose($fp);
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58 }
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59 }
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60
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61
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62 function getHour($hour)
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63 {
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64 return "<br />".($hour + 8).":15 - ".($hour + 9).":00<br /><br />";
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65 }
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66
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67
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68 function matchCourse($id)
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69 {
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70 global $cache, $infoURI, $cacheDirty;
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71
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72 // Check if course exists in cache
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73 if (!isset($cache[$id])) {
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74 $cacheDirty = TRUE;
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75 // Not cached, try to fetch data
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76 $data = @file_get_contents($infoURI.$id);
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77 if ($data !== FALSE) {
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78 if (preg_match("#<td class=\"smallheadercell\"><strong>(.+?)\s+(\d+)\s*op\s*</strong></td>#", $data, $m)) {
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79 // Add data to cache
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80 $cache[$id] = array("desc" => $m[1], "op" => intval($m[2]));
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81 }
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82 }
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83 }
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84
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85 if (isset($cache[$id]))
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86 return "<a target=\"_blank\" title=\"".htmlentities($id." - ".$cache[$id]["op"]." op").
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87 "\" href=\"".htmlentities($infoURI.$id)."\">".htmlentities($cache[$id]["desc"])."</a>";
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88 else
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89 return htmlentities($id);
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90 }
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91
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92
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93 function matchClass($matches)
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94 {
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95 global $baseURI;
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96 return "<b><a href=\"".$baseURI."?tila=".$matches[1]."\">".$matches[1]."</a></b> ".$matches[2];
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97 }
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98
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99
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100 // Global cache for course data
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101 $cache = array();
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102 $cacheDirty = FALSE;
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103
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104
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105 // Try to read cachefile, if we can get file lock on it
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106 $fp = @fopen($cacheFile, "rb");
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107 if ($fp) {
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108 if (flock($fp, LOCK_SH)) {
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109 require($cacheFile);
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110 flock($fp, LOCK_UN);
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111 }
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112 fclose($fp);
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113 }
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114
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115 $fp = @fopen($classFile, "rb");
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116 $classes = array();
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117 if ($fp) {
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118 if (flock($fp, LOCK_SH)) {
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119 while (!feof($fp)) {
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120 $str = trim(fgets($fp, 128));
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121 if ($str[0] != "#" && strlen($str) > 2)
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122 $classes[] = $str;
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123 }
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124 flock($fp, LOCK_UN);
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125 }
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126 fclose($fp);
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127 }
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128
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129
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130 if (!file_exists($dataDir.$luokka.".data")) {
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131 errorMsg("Luokan ".htmlentities($luokka)." datatiedostoa ei löytynyt!");
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132 $haveData = FALSE;
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133 } else {
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134 require($dataDir.$luokka.".data");
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135 $haveData = isset($classDefs);
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136 }
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137
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138
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139 function printHourInfo($dayHours, $showDays)
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140 {
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141 $out = " <tr>\n <td>Tunteja (<b>ryhmä</b>)</td>\n";
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142 for ($day = 0; $day < $showDays; $day++) {
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143 $out .= " <td>".$dayHours[$day]["total"]."h (<b>".$dayHours[$day]["grouped"]."h</b>)</td>\n";
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144 }
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145 return $out." </tr>\n";
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146 }
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147
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148
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149 if ($haveData) {
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150 $totalHours = 0;
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151 $totalGrouped = 0;
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152 $dayHours = array();
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153 for ($day = 0; $day < $showDays; $day++)
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154 $dayHours[$day]["total"] = $dayHours[$day]["grouped"] = 0;
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155
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156 foreach ($classDefs as $id => $data) {
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157 $h = $data["hours"];
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158
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159 $totalHours += $h;
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160 $dayHours[$data["day"]]["total"] += $h;
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161
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162 if (!$data["grouped"]) {
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163 $totalGrouped += $h;
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164 $dayHours[$data["day"]]["grouped"] += $h;
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165 }
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166 }
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167
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168 for ($day = $showDays - 1; $day >= 0; $day--) {
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169 if ($dayHours[$day]["total"] == 0)
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170 $showDays--;
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171 else
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172 break;
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173 }
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174
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175
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176 // Create the timetable table
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177 $out =
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178 "<p>".join("; ", $classInfo["general"])."</p>\n".
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179 "<table class=\"timetable\">".
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180 " <tr>\n <th></th>\n";
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181 for ($day = 0; $day < $showDays; $day++) {
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182 $out .= " <th class=\"days\">".$dayNames[$day]."</th>\n";
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183 }
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184 $out .= " </tr>\n";
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185
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186 for ($hour = 0; $hour < $classInfo["maxhours"]; $hour++) {
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187 $out .= " <tr>\n".
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188 " <th class=\"hours\">".getHour($hour)."</th>\n";
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189 for ($day = 0; $day < $showDays; $day++) {
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190 if (isset($classHourTable[$hour][$day])) {
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191 $h = $classHourTable[$hour][$day];
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192
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193 if ($h < 1) {
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194 if ($h == 0) {
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195 $n = 0;
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196 for ($i = $hour; $i < $classInfo["maxhours"]; $i++)
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197 if ($classHourTable[$i][$day] == $h) {
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198 $classHourTable[$i][$day] = -1;
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199 $n++;
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200 } else
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201 break;
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202 $out .= " <td rowspan=\"".$n."\" class=\"clnothing\"></td>\n";
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203 }
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204 } else
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205 if (isset($classDefs[$h])) {
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206 if (!isset($classDefs[$h]["done"])) {
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207 $classDefs[$h]["done"] = true;
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208 $i = $classDefs[$h];
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209 $d = $classDefs[$h]["data"];
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210
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211 $isSplit = preg_match("/^[A-Z]\d{6}$/", $d[1]);
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212
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213 $out .= " <td rowspan=\"".$i["hours"].
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214 "\" class=\"".($isSplit || $i["grouped"] ? "clgrouped" : "clnormal")."\">";
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215
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216 if ($isSplit) {
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217 $out .= "<table>".
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218 "<tr><td>".matchCourse($d[0])."</td><td>".matchCourse($d[1])."</td></tr>";
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219 for ($j = 2; $j < count($d); $j += 2)
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220 $out .= "<tr><td>".htmlentities($d[$j])."</td><td>".(isset($d[$j+1]) ? htmlentities($d[$j+1]) : "")."</td></tr>";
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221 $out .= "</table>";
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222 } else {
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223 $out .= matchCourse($d[0])."<br />";
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224 for ($j = 1; $j < count($d); $j++)
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225 $out .= htmlentities($d[$j])."<br />";
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226 }
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227 $out .= "<div class=\"nhours\"><span>".$i["hours"]."h</span></div></td>\n";
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228 }
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229 } else
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230 errorMsg("Internal error cell $hour / $day : hour id $h does not exist!");
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231 } else
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232 errorMsg("Internal error, cell $hour / $day does not exist.");
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233 }
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234 $out .= " </tr>\n";
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235 }
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236
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237 $out .= printHourInfo($dayHours, $showDays).
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238 "</table>";
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239
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240 } // haveData
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241
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242
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243 $pageTitle = $haveData ? $luokka." / ".join("; ", $classInfo["info"]) : $luokka;
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244 printPageHeader($pageTitle);
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245 echo "<h1>".$pageTitle."</h1>\n";
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246
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247 echo "<form action=\"".$baseURI."\" method=\"get\">\n".
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248 " <select name=\"luokka\">\n";
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249
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250 foreach ($classes as $class) {
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251 echo " <option value=\"".$class."\">".htmlentities($class)."</option>\n";
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252 }
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253 echo " </select>\n <input type=\"submit\" value=\" Vaihda \" />\n</form>\n";
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254
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255 // Show error messages
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256 if ($errorSet) {
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257 echo "<ul>\n";
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258 foreach ($errorMsgs as $msg)
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259 echo "<li>$msg</li>\n";
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260 echo "</ul>\n";
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261 }
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262
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263 echo $out;
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264
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265 printPageFooter();
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266
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267
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268 // Dump the course data cache, but only if it has changed
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269 if ($cacheDirty) {
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270 // First try append mode
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271 $fp = @fopen($cacheFile, "rb+");
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272
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273 // If file didn't exist, try write mode
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274 if (!$fp)
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275 $fp = @fopen($cacheFile, "wb");
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276
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277 if ($fp) {
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278 // Use locking to prevent concurrent access and dump data
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279 if (flock($fp, LOCK_EX)) {
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280 ftruncate($fp, 0);
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281 fwrite($fp, "<?\n\$cache = array(\n");
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282 foreach ($cache as $id => $data) {
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283 fwrite($fp, " \"".addslashes($id)."\" => array(\"desc\" => \"".
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284 addslashes($data["desc"])."\", \"op\" => ".$data["op"]."),\n");
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285 }
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286 fwrite($fp, ");\n?>");
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287 }
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288 fclose($fp);
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289 }
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290 }
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291
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292 ?> |
