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