1 | <?php |
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2 | /* For licensing terms, see /license.txt */ |
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3 | |||
4 | /** |
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5 | * Class aicc |
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6 | * Defines the AICC class, which is meant to contain the aicc items (nuclear elements). |
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7 | * |
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8 | * @author Yannick Warnier <[email protected]> |
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9 | * @license GNU/GPL |
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10 | */ |
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11 | class aicc extends learnpath |
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12 | { |
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13 | public $config = []; |
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14 | // The configuration files might be multiple and might have |
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15 | // funny names. We need to keep the name of that file while we |
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16 | // install the content. |
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17 | public $config_basename = ''; |
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18 | public $config_files = []; |
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19 | public $config_exts = [ |
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20 | 'crs' => 0, // Course description file (mandatory) |
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21 | 'au' => 0, // Assignable Unit file (mandatory) |
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22 | 'des' => 0, // Descriptor file (mandatory) |
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23 | 'cst' => 0, // Course structure file (mandatory) |
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24 | 'ore' => 0, // Objectives relationshops file (optional) |
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25 | 'pre' => 0, // Prerequisites file (optional) |
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26 | 'cmp' => 0, // Completion Requirements file (optional) |
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27 | ]; |
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28 | public $aulist = []; |
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29 | public $au_order_list = []; |
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30 | public $au_order_list_new_id = []; |
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31 | public $deslist = []; |
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32 | public $cstlist = []; |
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33 | public $orelist = []; |
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34 | |||
35 | // Path between the scorm/ directory and the config files |
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36 | // e.g. maritime_nav/maritime_nav. |
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37 | // This is the path that will be used in the lp_path when importing a package. |
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38 | public $subdir = ''; |
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39 | // Keeps the zipfile safe for the object's life |
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40 | // so that we can use it if there is no title available. |
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41 | public $zipname = ''; |
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42 | // Keeps an index of the number of uses of the zipname so far. |
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43 | public $lastzipnameindex = 0; |
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44 | public $config_encoding = 'ISO-8859-1'; |
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45 | public $debug = 0; |
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46 | |||
47 | /** |
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48 | * Class constructor. Based on the parent constructor. |
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49 | * |
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50 | * @param string $course_code |
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51 | * @param int $resource_id Learnpath ID in DB |
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52 | * @param int $user_id |
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53 | */ |
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54 | public function __construct($course_code = null, $resource_id = null, $user_id = null) |
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55 | { |
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56 | if ($this->debug > 0) { |
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57 | error_log('In aicc::aicc()'); |
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58 | } |
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59 | if (!empty($course_code) && !empty($resource_id) && !empty($user_id)) { |
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60 | parent::__construct($course_code, $resource_id, $user_id); |
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61 | } |
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62 | } |
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63 | |||
64 | /** |
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65 | * Opens a resource. |
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66 | * |
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67 | * @param int Database ID of the resource |
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68 | */ |
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69 | public function open($id) |
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70 | { |
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71 | } |
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72 | |||
73 | /** |
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74 | * Parses a set of AICC config files and puts everything into the $config array. |
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75 | * |
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76 | * @param string Path to the config files dir on the system. |
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77 | * If not defined, uses the base path of the course's scorm dir |
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78 | * |
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79 | * @return array Structured array representing the config files' contents |
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80 | */ |
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81 | public function parse_config_files($dir = '') |
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82 | { |
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83 | if ($this->debug > 0) { |
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84 | error_log('New LP - In aicc::parse_config_files('.$dir.')', 0); |
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85 | } |
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86 | if (empty($dir)) { |
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87 | // Get the path of the AICC config files dir. |
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88 | $dir = $this->subdir; |
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89 | } |
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90 | if (is_dir($dir) && is_readable($dir)) { |
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91 | // Now go through all the config files one by one and parse everything into AICC objects. |
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92 | // The basename for the config files is stored in $this->config_basename. |
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93 | // Parse the Course Description File (.crs) - ini-type. |
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94 | $crs_file = $dir.'/'.$this->config_files['crs']; |
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95 | $crs_params = $this->parse_ini_file_quotes_safe($crs_file); |
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96 | if ($this->debug > 1) { |
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97 | error_log('New LP - In aicc::parse_config_files() - '.$crs_file.' has been parsed'); |
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98 | } |
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99 | |||
100 | // CRS distribute crs params into the aicc object. |
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101 | if (!empty($crs_params['course']['course_creator'])) { |
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102 | $this->course_creator = Database::escape_string($crs_params['course']['course_creator']); |
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103 | } |
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104 | if (!empty($crs_params['course']['course_id'])) { |
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105 | $this->course_id = Database::escape_string($crs_params['course']['course_id']); |
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106 | } |
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107 | if (!empty($crs_params['course']['course_system'])) { |
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108 | $this->course_system = $crs_params['course']['course_system']; |
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109 | } |
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110 | if (!empty($crs_params['course']['course_title'])) { |
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111 | $this->course_title = Database::escape_string($crs_params['course']['course_title']); |
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112 | } |
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113 | if (!empty($crs_params['course']['course_level'])) { |
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114 | $this->course_level = $crs_params['course']['course_level']; |
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115 | } |
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116 | if (!empty($crs_params['course']['max_fields_cst'])) { |
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117 | $this->course_max_fields_cst = $crs_params['course']['max_fields_cst']; |
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118 | } |
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119 | if (!empty($crs_params['course']['max_fields_ort'])) { |
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120 | $this->course_max_fields_ort = $crs_params['course']['max_fields_ort']; |
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121 | } |
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122 | if (!empty($crs_params['course']['total_aus'])) { |
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123 | $this->course_total_aus = $crs_params['course']['total_aus']; |
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124 | } |
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125 | if (!empty($crs_params['course']['total_blocks'])) { |
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126 | $this->course_total_blocks = $crs_params['course']['total_blocks']; |
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127 | } |
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128 | if (!empty($crs_params['course']['total_objectives'])) { |
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129 | $this->course_total_objectives = $crs_params['course']['total_objectives']; |
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130 | } |
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131 | if (!empty($crs_params['course']['total_complex_objectives'])) { |
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132 | $this->course_total_complex_objectives = $crs_params['course']['total_complex_objectives']; |
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133 | } |
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134 | if (!empty($crs_params['course']['version'])) { |
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135 | $this->course_version = $crs_params['course']['version']; |
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136 | } |
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137 | if (!empty($crs_params['course_description'])) { |
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138 | $this->course_description = Database::escape_string($crs_params['course_description']); |
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139 | } |
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140 | |||
141 | // Parse the Descriptor File (.des) - csv-type. |
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142 | $des_file = $dir.'/'.$this->config_files['des']; |
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143 | $des_params = $this->parse_csv_file($des_file); |
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144 | if ($this->debug > 1) { |
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145 | error_log('New LP - In aicc::parse_config_files() - '.$des_file.' has been parsed', 0); |
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146 | } |
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147 | // Distribute des params into the aicc object. |
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148 | foreach ($des_params as $des) { |
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149 | // One AU in AICC is equivalent to one SCO in SCORM (scormItem class). |
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150 | $oDes = new aiccResource('config', $des); |
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151 | $this->deslist[$oDes->identifier] = $oDes; |
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152 | } |
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153 | |||
154 | // Parse the Assignable Unit File (.au) - csv-type. |
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155 | $au_file = $dir.'/'.$this->config_files['au']; |
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156 | $au_params = $this->parse_csv_file($au_file); |
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157 | if ($this->debug > 1) { |
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158 | error_log('New LP - In aicc::parse_config_files() - '.$au_file.' has been parsed', 0); |
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159 | } |
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160 | // Distribute au params into the aicc object. |
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161 | foreach ($au_params as $au) { |
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162 | $oAu = new aiccItem('config', $au); |
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163 | $this->aulist[$oAu->identifier] = $oAu; |
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164 | $this->au_order_list[] = $oAu->identifier; |
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165 | } |
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166 | |||
167 | // Parse the Course Structure File (.cst) - csv-type. |
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168 | $cst_file = $dir.'/'.$this->config_files['cst']; |
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169 | $cst_params = $this->parse_csv_file($cst_file, ',', '"', true); |
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170 | if ($this->debug > 1) { |
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171 | error_log('New LP - In aicc::parse_config_files() - '.$cst_file.' has been parsed', 0); |
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172 | } |
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173 | // Distribute cst params into the aicc object. |
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174 | foreach ($cst_params as $cst) { |
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175 | $oCst = new aiccBlock('config', $cst); |
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176 | $this->cstlist[$oCst->identifier] = $oCst; |
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177 | } |
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178 | |||
179 | // Parse the Objectives Relationships File (.ore) - csv-type - if exists. |
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180 | // TODO: Implement these objectives. For now they're just parsed. |
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181 | if (!empty($this->config_files['ore'])) { |
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182 | $ore_file = $dir.'/'.$this->config_files['ore']; |
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183 | $ore_params = $this->parse_csv_file($ore_file, ',', '"', true); |
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184 | if ($this->debug > 1) { |
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185 | error_log('New LP - In aicc::parse_config_files() - '.$ore_file.' has been parsed', 0); |
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186 | } |
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187 | // Distribute ore params into the aicc object. |
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188 | foreach ($ore_params as $ore) { |
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189 | $oOre = new aiccObjective('config', $ore); |
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190 | $this->orelist[$oOre->identifier] = $oOre; |
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191 | } |
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192 | } |
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193 | |||
194 | // Parse the Prerequisites File (.pre) - csv-type - if exists. |
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195 | if (!empty($this->config_files['pre'])) { |
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196 | $pre_file = $dir.'/'.$this->config_files['pre']; |
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197 | $pre_params = $this->parse_csv_file($pre_file); |
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198 | if ($this->debug > 1) { |
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199 | error_log('New LP - In aicc::parse_config_files() - '.$pre_file.' has been parsed', 0); |
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200 | } |
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201 | // Distribute pre params into the aicc object. |
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202 | foreach ($pre_params as $pre) { |
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203 | // Place a constraint on the corresponding block or AU. |
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204 | if (in_array(api_strtolower($pre['structure_element']), array_keys($this->cstlist))) { |
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205 | // If this references a block element: |
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206 | $this->cstlist[api_strtolower($pre['structure_element'])]->prereq_string = api_strtolower($pre['prerequisite']); |
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207 | } |
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208 | if (in_array(api_strtolower($pre['structure_element']), array_keys($this->aulist))) { |
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209 | // If this references a block element: |
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210 | $this->aulist[api_strtolower($pre['structure_element'])]->prereq_string = api_strtolower($pre['prerequisite']); |
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211 | } |
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212 | } |
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213 | } |
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214 | |||
215 | // Parse the Completion Requirements File (.cmp) - csv-type - if exists. |
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216 | // TODO: Implement this set of requirements (needs database changes). |
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217 | if (!empty($this->config_files['cmp'])) { |
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218 | $cmp_file = $dir.'/'.$this->config_files['cmp']; |
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219 | $cmp_params = $this->parse_csv_file($cmp_file); |
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220 | if ($this->debug > 1) { |
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221 | error_log('New LP - In aicc::parse_config_files() - '.$cmp_file.' has been parsed', 0); |
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222 | } |
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223 | // Distribute cmp params into the aicc object. |
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224 | foreach ($cmp_params as $cmp) { |
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225 | //$oCmp = new aiccCompletionRequirements('config', $cmp); |
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226 | //$this->cmplist[$oCmp->identifier] =& $oCmp; |
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227 | } |
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228 | } |
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229 | } |
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230 | |||
231 | return $this->config; |
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232 | } |
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233 | |||
234 | /** |
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235 | * Import the aicc object (as a result from the parse_config_files function) into the database structure. |
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236 | * |
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237 | * @param string $course_code |
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238 | * |
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239 | * @return bool Returns -1 on error |
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240 | */ |
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241 | public function import_aicc($course_code) |
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242 | { |
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243 | $courseInfo = api_get_course_info($course_code); |
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244 | $course_id = $courseInfo['real_id']; |
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245 | |||
246 | if (empty($course_id)) { |
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247 | return false; |
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248 | } |
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249 | |||
250 | if ($this->debug > 0) { |
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251 | error_log('New LP - In aicc::import_aicc('.$course_code.')', 0); |
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252 | } |
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253 | |||
254 | $new_lp = Database::get_course_table(TABLE_LP_MAIN); |
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255 | $new_lp_item = Database::get_course_table(TABLE_LP_ITEM); |
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256 | $get_max = "SELECT MAX(display_order) FROM $new_lp WHERE c_id = $course_id"; |
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257 | $res_max = Database::query($get_max); |
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258 | if (Database::num_rows($res_max) < 1) { |
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259 | $dsp = 1; |
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260 | } else { |
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261 | $row = Database::fetch_array($res_max); |
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262 | $dsp = $row[0] + 1; |
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263 | } |
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264 | |||
265 | $this->config_encoding = "ISO-8859-1"; // TODO: We may apply detection for this value, see the function api_detect_encoding(). |
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266 | |||
267 | $sql = "INSERT INTO $new_lp (c_id, lp_type, name, ref, description, path, force_commit, default_view_mod, default_encoding, js_lib, content_maker,display_order)". |
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268 | "VALUES ". |
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269 | "($course_id, 3, '".$this->course_title."', '".$this->course_id."','".$this->course_description."',". |
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270 | "'".$this->subdir."', 0, 'embedded', '".$this->config_encoding."',". |
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271 | "'aicc_api.php','".$this->course_creator."',$dsp)"; |
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272 | if ($this->debug > 2) { |
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273 | error_log('New LP - In import_aicc(), inserting path: '.$sql, 0); |
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274 | } |
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275 | Database::query($sql); |
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276 | $lp_id = Database::insert_id(); |
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277 | |||
278 | if ($lp_id) { |
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279 | $sql = "UPDATE $new_lp SET id = iid WHERE iid = $lp_id"; |
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280 | Database::query($sql); |
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281 | |||
282 | $this->lp_id = $lp_id; |
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283 | |||
284 | api_item_property_update( |
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285 | $courseInfo, |
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286 | TOOL_LEARNPATH, |
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287 | $this->lp_id, |
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288 | 'LearnpathAdded', |
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289 | api_get_user_id() |
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290 | ); |
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291 | |||
292 | api_item_property_update( |
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293 | $courseInfo, |
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294 | TOOL_LEARNPATH, |
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295 | $this->lp_id, |
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296 | 'visible', |
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297 | api_get_user_id() |
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298 | ); |
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299 | } |
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300 | |||
301 | $previous = 0; |
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302 | foreach ($this->aulist as $identifier => $dummy) { |
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303 | $oAu = &$this->aulist[$identifier]; |
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304 | //echo "Item ".$oAu->identifier; |
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305 | $field_add = ''; |
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306 | $value_add = ''; |
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307 | if (!empty($oAu->masteryscore)) { |
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308 | $field_add = 'mastery_score, '; |
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309 | $value_add = $oAu->masteryscore.','; |
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310 | } |
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311 | $title = $oAu->identifier; |
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312 | if (is_object($this->deslist[$identifier])) { |
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313 | $title = $this->deslist[$identifier]->title; |
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314 | } |
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315 | $path = $oAu->path; |
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316 | //$max_score = $oAu->max_score // TODO: Check if special constraint exists for this item. |
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317 | //$min_score = $oAu->min_score // TODO: Check if special constraint exists for this item. |
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318 | $parent = 0; // TODO: Deal with the parent. |
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319 | $previous = 0; |
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320 | $prereq = $oAu->prereq_string; |
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321 | $sql_item = "INSERT INTO $new_lp_item (c_id, lp_id,item_type,ref,title, path,min_score,max_score, $field_add parent_item_id,previous_item_id,next_item_id, prerequisite,display_order,parameters) ". |
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322 | "VALUES ". |
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323 | "($course_id, $lp_id, 'au','".$oAu->identifier."','".$title."',". |
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324 | "'$path',0,100, $value_add". |
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325 | "$parent, $previous, 0, ". |
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326 | "'$prereq', 0,'".(!empty($oAu->parameters) ? Database::escape_string($oAu->parameters) : '')."'". |
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327 | ")"; |
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328 | Database::query($sql_item); |
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329 | if ($this->debug > 1) { |
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330 | error_log('New LP - In aicc::import_aicc() - inserting item : '.$sql_item.' : ', 0); |
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331 | } |
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332 | $item_id = Database::insert_id(); |
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333 | |||
334 | if ($item_id) { |
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335 | $sql = "UPDATE $new_lp_item SET id = iid WHERE iid = $lp_id"; |
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336 | Database::query($sql); |
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337 | } |
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338 | |||
339 | // Now update previous item to change next_item_id. |
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340 | if (0 != $previous) { |
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341 | $upd = "UPDATE $new_lp_item SET next_item_id = $item_id WHERE c_id = $course_id AND id = $previous"; |
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342 | Database::query($upd); |
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343 | // Update the previous item id. |
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344 | } |
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345 | $previous = $item_id; |
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346 | } |
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347 | } |
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348 | |||
349 | /** |
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350 | * Intermediate to import_package only to allow import from local zip files. |
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351 | * |
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352 | * @param string Path to the zip file, from the dokeos sys root |
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353 | * @param string Current path (optional) |
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354 | * |
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355 | * @return string Absolute path to the AICC description files or empty string on error |
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356 | */ |
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357 | public function import_local_package($file_path, $current_dir = '') |
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358 | { |
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359 | // TODO: Prepare info as given by the $_FILES[''] vector. |
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360 | $file_info = []; |
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361 | $file_info['tmp_name'] = $file_path; |
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362 | $file_info['name'] = basename($file_path); |
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363 | // Call the normal import_package function. |
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364 | return $this->import_package($file_info, $current_dir); |
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365 | } |
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366 | |||
367 | /** |
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368 | * Imports a zip file (presumably AICC) into the Chamilo structure. |
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369 | * |
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370 | * @param string Zip file info as given by $_FILES['userFile'] |
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371 | * |
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372 | * @return string Absolute path to the AICC config files directory or empty string on error |
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373 | */ |
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374 | public function import_package($zip_file_info, $current_dir = '') |
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375 | { |
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376 | if ($this->debug > 0) { |
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377 | error_log('In aicc::import_package('.print_r($zip_file_info, true).',"'.$current_dir.'") method', 0); |
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378 | } |
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379 | //ini_set('error_log', 'E_ALL'); |
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380 | $maxFilledSpace = 1000000000; |
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381 | $zip_file_path = $zip_file_info['tmp_name']; |
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382 | $zip_file_name = $zip_file_info['name']; |
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383 | |||
384 | if ($this->debug > 0) { |
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385 | error_log( |
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386 | 'New LP - aicc::import_package() - Zip file path = '.$zip_file_path.', zip file name = '.$zip_file_name, |
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387 | 0 |
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388 | ); |
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389 | } |
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390 | $course_rel_dir = api_get_course_path().'/scorm'; // Scorm dir web path starting from /courses |
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391 | $course_sys_dir = api_get_path(SYS_COURSE_PATH).$course_rel_dir; // The absolute system path of this course. |
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392 | $current_dir = api_replace_dangerous_char(trim($current_dir)); // Current dir we are in, inside scorm/ |
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393 | if ($this->debug > 0) { |
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394 | error_log('New LP - aicc::import_package() - Current_dir = '.$current_dir, 0); |
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395 | } |
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396 | |||
397 | //$uploaded_filename = $_FILES['userFile']['name']; |
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398 | // Get the name of the zip file without the extension. |
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399 | if ($this->debug > 0) { |
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400 | error_log('New LP - aicc::import_package() - Received zip file name: '.$zip_file_path, 0); |
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401 | } |
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402 | $file_info = pathinfo($zip_file_name); |
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403 | $filename = $file_info['basename']; |
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404 | $extension = $file_info['extension']; |
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405 | $file_base_name = str_replace('.'.$extension, '', $filename); // Filename without its extension. |
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406 | $this->zipname = $file_base_name; // Save for later in case we don't have a title. |
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407 | |||
408 | if ($this->debug > 0) { |
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409 | error_log('New LP - aicc::import_package() - Base file name is : '.$file_base_name, 0); |
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410 | } |
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411 | $new_dir = api_replace_dangerous_char(trim($file_base_name)); |
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412 | $this->subdir = $new_dir; |
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413 | if ($this->debug > 0) { |
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414 | error_log('New LP - aicc::import_package() - Subdir is first set to : '.$this->subdir, 0); |
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415 | } |
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416 | |||
417 | /* |
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418 | if (check_name_exist($course_sys_dir.$current_dir.'/'.$new_dir)) { |
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419 | $dialogBox = get_lang('FileExists'); |
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420 | $stopping_error = true; |
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421 | } |
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422 | */ |
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423 | $zipFile = new PclZip($zip_file_path); |
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424 | // Check the zip content (real size and file extension). |
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425 | $zipContentArray = $zipFile->listContent(); |
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426 | |||
427 | $package_type = ''; // The type of the package. Should be 'aicc' after the next few lines. |
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428 | $package = ''; // The basename of the config files (if 'courses.crs' => 'courses'). |
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429 | $at_root = false; // Check if the config files are at zip root. |
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430 | $config_dir = ''; // The directory in which the config files are. May remain empty. |
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431 | $files_found = []; |
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432 | $subdir_isset = false; |
||
433 | // The following loop should be stopped as soon as we found the right config files (.crs, .au, .des and .cst). |
||
434 | $realFileSize = 0; |
||
435 | foreach ($zipContentArray as $thisContent) { |
||
436 | if (preg_match('~.(php.*|phtml)$~i', $thisContent['filename'])) { |
||
437 | // If a php file is found, do not authorize (security risk). |
||
438 | if ($this->debug > 1) { |
||
439 | error_log( |
||
440 | 'New LP - aicc::import_package() - Found unauthorized file: '.$thisContent['filename'] |
||
441 | ); |
||
442 | } |
||
443 | Display::addFlash( |
||
444 | Display::return_message(get_lang('ZipNoPhp')) |
||
445 | ); |
||
446 | |||
447 | return false; |
||
448 | } elseif (preg_match('?.*/aicc/$?', $thisContent['filename'])) { |
||
449 | // If a directory named 'aicc' is found, package type = aicc, but continue, |
||
450 | // because we need to find the right AICC files; |
||
451 | if ($this->debug > 1) { |
||
452 | error_log('New LP - aicc::import_package() - Found aicc directory: '.$thisContent['filename']); |
||
453 | } |
||
454 | $package_type = 'aicc'; |
||
455 | } else { |
||
456 | // else, look for one of the files we're searching for (something.crs case insensitive). |
||
457 | $res = []; |
||
458 | if (preg_match('?^(.*)\.(crs|au|des|cst|ore|pre|cmp)$?i', $thisContent['filename'], $res)) { |
||
459 | if ($this->debug > 1) { |
||
460 | error_log( |
||
461 | 'New LP - aicc::import_package() - Found AICC config file: '.$thisContent['filename'].'. Now splitting: '.$res[1].' and '.$res[2] |
||
462 | ); |
||
463 | } |
||
464 | if ($thisContent['filename'] == basename($thisContent['filename'])) { |
||
465 | if ($this->debug > 2) { |
||
466 | error_log('New LP - aicc::import_package() - '.$thisContent['filename'].' is at root level', 0); |
||
467 | } |
||
468 | $at_root = true; |
||
469 | if (!is_array($files_found[$res[1]])) { |
||
470 | $files_found[$res[1]] = $this->config_exts; // Initialise list of expected extensions (defined in class definition). |
||
471 | } |
||
472 | $files_found[$res[1]][api_strtolower($res[2])] = $thisContent['filename']; |
||
473 | $subdir_isset = true; |
||
474 | } else { |
||
475 | if (!$subdir_isset) { |
||
476 | if (preg_match('?^.*/aicc$?i', dirname($thisContent['filename']))) { |
||
477 | //echo "Cutting subdir<br/>"; |
||
478 | $this->subdir .= '/'.substr(dirname($thisContent['filename']), 0, -5); |
||
479 | } else { |
||
480 | //echo "Not cutting subdir<br/>"; |
||
481 | $this->subdir .= '/'.dirname($thisContent['filename']); |
||
482 | } |
||
483 | $subdir_isset = true; |
||
484 | } |
||
485 | if ($this->debug > 2) { |
||
486 | error_log('New LP - aicc::import_package() - '.$thisContent['filename'].' is not at root level - recording subdir '.$this->subdir, 0); |
||
487 | } |
||
488 | $config_dir = dirname($thisContent['filename']); // Just the relative directory inside scorm/ |
||
489 | if (!is_array($files_found[basename($res[1])])) { |
||
490 | $files_found[basename($res[1])] = $this->config_exts; |
||
491 | } |
||
492 | $files_found[basename($res[1])][api_strtolower($res[2])] = basename($thisContent['filename']); |
||
493 | } |
||
494 | $package_type = 'aicc'; |
||
495 | } else { |
||
496 | if ($this->debug > 3) { |
||
497 | error_log('New LP - aicc::import_package() - File '.$thisContent['filename'].' didnt match any check', 0); |
||
498 | } |
||
499 | } |
||
500 | } |
||
501 | $realFileSize += $thisContent['size']; |
||
502 | } |
||
503 | if ($this->debug > 2) { |
||
504 | error_log('New LP - aicc::import_package() - $files_found: '.print_r($files_found, true), 0); |
||
505 | } |
||
506 | if ($this->debug > 1) { |
||
507 | error_log('New LP - aicc::import_package() - Package type is now '.$package_type, 0); |
||
508 | } |
||
509 | $mandatory = false; |
||
510 | foreach ($files_found as $file_name => $file_exts) { |
||
511 | $temp = ( |
||
512 | !empty($files_found[$file_name]['crs']) |
||
513 | && !empty($files_found[$file_name]['au']) |
||
514 | && !empty($files_found[$file_name]['des']) |
||
515 | && !empty($files_found[$file_name]['cst']) |
||
516 | ); |
||
517 | if ($temp) { |
||
518 | if ($this->debug > 1) { |
||
519 | error_log('New LP - aicc::import_package() - Found all config files for '.$file_name, 0); |
||
520 | } |
||
521 | $mandatory = true; |
||
522 | $package = $file_name; |
||
523 | // Store base config file name for reuse in parse_config_files(). |
||
524 | $this->config_basename = $file_name; |
||
525 | // Store filenames for reuse in parse_config_files(). |
||
526 | $this->config_files = $files_found[$file_name]; |
||
527 | // Get out, we only want one config files set. |
||
528 | break; |
||
529 | } |
||
530 | } |
||
531 | |||
532 | if ($package_type == '' || !$mandatory) { |
||
533 | Display::addFlash( |
||
534 | Display::return_message(get_lang('FileError')) |
||
535 | ); |
||
536 | |||
537 | return false; |
||
538 | } |
||
539 | |||
540 | if (!enough_size($realFileSize, $course_sys_dir, $maxFilledSpace)) { |
||
541 | Display::addFlash( |
||
542 | Display::return_message(get_lang('NoSpace')) |
||
543 | ); |
||
544 | |||
545 | return false; |
||
546 | } |
||
547 | |||
548 | // It happens on Linux that $new_dir sometimes doesn't start with '/' |
||
549 | if ($new_dir[0] != '/') { |
||
550 | $new_dir = '/'.$new_dir; |
||
551 | } |
||
552 | // Cut trailing slash. |
||
553 | if ($new_dir[strlen($new_dir) - 1] == '/') { |
||
554 | $new_dir = substr($new_dir, 0, -1); |
||
555 | } |
||
556 | |||
557 | /* Uncompressing phase */ |
||
558 | |||
559 | /* |
||
560 | We need to process each individual file in the zip archive to |
||
561 | - add it to the database |
||
562 | - parse & change relative html links |
||
563 | - make sure the filenames are secure (filter funny characters or php extensions) |
||
564 | */ |
||
565 | if (is_dir($course_sys_dir.$new_dir) || |
||
566 | @mkdir($course_sys_dir.$new_dir, api_get_permissions_for_new_directories()) |
||
567 | ) { |
||
568 | // PHP method - slower... |
||
569 | if ($this->debug >= 1) { |
||
570 | error_log('New LP - Changing dir to '.$course_sys_dir.$new_dir, 0); |
||
571 | } |
||
572 | chdir($course_sys_dir.$new_dir); |
||
573 | $zipFile->extract( |
||
574 | PCLZIP_CB_PRE_EXTRACT, |
||
575 | 'clean_up_files_in_zip' |
||
576 | ); |
||
577 | } else { |
||
578 | return ''; |
||
579 | } |
||
580 | |||
581 | return $course_sys_dir.$new_dir.$config_dir; |
||
582 | } |
||
583 | |||
584 | /** |
||
585 | * Sets the proximity setting in the database. |
||
586 | * |
||
587 | * @param string $proxy Proximity setting |
||
588 | * |
||
589 | * @return bool |
||
590 | */ |
||
591 | public function set_proximity($proxy = '') |
||
592 | { |
||
593 | $course_id = api_get_course_int_id(); |
||
594 | if ($this->debug > 0) { |
||
595 | error_log('In aicc::set_proximity('.$proxy.') method', 0); |
||
596 | } |
||
597 | $lp = $this->get_id(); |
||
598 | if ($lp != 0) { |
||
599 | $tbl_lp = Database::get_course_table(TABLE_LP_MAIN); |
||
600 | $sql = "UPDATE $tbl_lp SET content_local = '$proxy' WHERE c_id = ".$course_id." id = ".$lp; |
||
601 | Database::query($sql); |
||
602 | |||
603 | return true; |
||
604 | } else { |
||
605 | return false; |
||
606 | } |
||
607 | } |
||
608 | |||
609 | /** |
||
610 | * Sets the theme setting in the database. |
||
611 | * |
||
612 | * @param string Theme setting |
||
613 | * |
||
614 | * @return bool |
||
615 | */ |
||
616 | public function set_theme($theme = '') |
||
617 | { |
||
618 | $course_id = api_get_course_int_id(); |
||
619 | if ($this->debug > 0) { |
||
620 | error_log('In aicc::set_theme('.$theme.') method', 0); |
||
621 | } |
||
622 | $lp = $this->get_id(); |
||
623 | if ($lp != 0) { |
||
624 | $tbl_lp = Database::get_course_table(TABLE_LP_MAIN); |
||
625 | $sql = "UPDATE $tbl_lp SET theme = '$theme' WHERE c_id = ".$course_id." id = ".$lp; |
||
626 | $res = Database::query($sql); |
||
627 | |||
628 | return true; |
||
629 | } else { |
||
630 | return false; |
||
631 | } |
||
632 | } |
||
633 | |||
634 | /** |
||
635 | * Sets the image LP in the database. |
||
636 | * |
||
637 | * @param string $preview_image Theme setting |
||
638 | * |
||
639 | * @return bool |
||
640 | */ |
||
641 | public function set_preview_image($preview_image = '') |
||
642 | { |
||
643 | $course_id = api_get_course_int_id(); |
||
644 | if ($this->debug > 0) { |
||
645 | error_log('In aicc::set_preview_image('.$preview_image.') method', 0); |
||
646 | } |
||
647 | $lp = $this->get_id(); |
||
648 | if ($lp != 0) { |
||
649 | $tbl_lp = Database::get_course_table(TABLE_LP_MAIN); |
||
650 | $sql = "UPDATE $tbl_lp SET preview_image = '$preview_image' |
||
651 | WHERE c_id = ".$course_id." id = ".$lp; |
||
652 | Database::query($sql); |
||
653 | |||
654 | return true; |
||
655 | } else { |
||
656 | return false; |
||
657 | } |
||
658 | } |
||
659 | |||
660 | /** |
||
661 | * Sets the Author LP in the database. |
||
662 | * |
||
663 | * @param string $author |
||
664 | * |
||
665 | * @return true |
||
666 | */ |
||
667 | public function set_author($author = '') |
||
668 | { |
||
669 | $course_id = api_get_course_int_id(); |
||
670 | $lp = $this->get_id(); |
||
671 | if ($lp != 0) { |
||
672 | $tbl_lp = Database::get_course_table(TABLE_LP_MAIN); |
||
673 | $sql = "UPDATE $tbl_lp SET author = '$author' |
||
674 | WHERE c_id = ".$course_id." id = ".$lp; |
||
675 | Database::query($sql); |
||
676 | |||
677 | return true; |
||
678 | } |
||
679 | |||
680 | return false; |
||
681 | } |
||
682 | |||
683 | /** |
||
684 | * Sets the content maker setting in the database. |
||
685 | * |
||
686 | * @param string $maker |
||
687 | * |
||
688 | * @return bool |
||
689 | */ |
||
690 | public function set_maker($maker = '') |
||
691 | { |
||
692 | $course_id = api_get_course_int_id(); |
||
693 | if ($this->debug > 0) { |
||
694 | error_log('In aicc::set_maker method('.$maker.')', 0); |
||
695 | } |
||
696 | $lp = $this->get_id(); |
||
697 | if ($lp != 0) { |
||
698 | $tbl_lp = Database::get_course_table(TABLE_LP_MAIN); |
||
699 | $sql = "UPDATE $tbl_lp SET content_maker = '$maker' |
||
700 | WHERE c_id = ".$course_id." id = ".$lp; |
||
701 | Database::query($sql); |
||
702 | |||
703 | return true; |
||
704 | } else { |
||
705 | return false; |
||
706 | } |
||
707 | } |
||
708 | |||
709 | /** |
||
710 | * Exports the current AICC object's files as a zip. Excerpts taken from learnpath_functions.inc.php::exportpath(). |
||
711 | * |
||
712 | * @param int Learnpath ID (optional, taken from object context if not defined) |
||
713 | * |
||
714 | * @return bool |
||
715 | */ |
||
716 | public function export_zip($lp_id = null) |
||
717 | { |
||
718 | if ($this->debug > 0) { |
||
719 | error_log('In aicc::export_zip method('.$lp_id.')', 0); |
||
720 | } |
||
721 | if (empty($lp_id)) { |
||
722 | if (!is_object($this)) { |
||
723 | return false; |
||
724 | } else { |
||
725 | $id = $this->get_id(); |
||
726 | if (empty($id)) { |
||
727 | return false; |
||
728 | } else { |
||
729 | $lp_id = $this->get_id(); |
||
730 | } |
||
731 | } |
||
732 | } |
||
733 | // Zip everything that is in the corresponding scorm dir. |
||
734 | // Write the zip file somewhere (might be too big to return). |
||
735 | $course_id = api_get_course_int_id(); |
||
736 | $tbl_lp = Database::get_course_table(TABLE_LP_MAIN); |
||
737 | $_course = api_get_course_info(api_get_course_id()); |
||
738 | |||
739 | $sql = "SELECT * FROM $tbl_lp WHERE iid= $lp_id"; |
||
740 | $result = Database::query($sql); |
||
741 | $row = Database::fetch_array($result); |
||
742 | $LPname = $row['path']; |
||
743 | $list = explode('/', $LPname); |
||
744 | $LPnamesafe = $list[0]; |
||
745 | //$zipfoldername = '/tmp'; |
||
746 | //$zipfoldername = '../../courses/'.$_course['directory'].'/temp/'.$LPnamesafe; |
||
747 | $zipfoldername = api_get_path(SYS_COURSE_PATH).$_course['directory'].'/temp/'.$LPnamesafe; |
||
748 | $scormfoldername = api_get_path(SYS_COURSE_PATH).$_course['directory'].'/scorm/'.$LPnamesafe; |
||
749 | $zipfilename = $zipfoldername.'/'.$LPnamesafe.'.zip'; |
||
750 | |||
751 | // Get a temporary dir for creating the zip file. |
||
752 | removeDir($zipfoldername); //make sure the temp dir is cleared |
||
753 | mkdir($zipfoldername, api_get_permissions_for_new_directories()); |
||
754 | |||
755 | // Create zipfile of given directory. |
||
756 | $zip_folder = new PclZip($zipfilename); |
||
757 | $zip_folder->create($scormfoldername.'/', PCLZIP_OPT_REMOVE_PATH, $scormfoldername.'/'); |
||
0 ignored issues
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|||
758 | |||
759 | //this file sending implies removing the default mime-type from php.ini |
||
760 | DocumentManager::file_send_for_download($zipfilename, true); |
||
761 | |||
762 | // Delete the temporary zip file and directory in fileManage.lib.php |
||
763 | my_delete($zipfilename); |
||
764 | my_delete($zipfoldername); |
||
765 | |||
766 | return true; |
||
767 | } |
||
768 | |||
769 | /** |
||
770 | * Gets a resource's path if available, otherwise return empty string. |
||
771 | * |
||
772 | * @param string Resource ID as used in resource array |
||
773 | * |
||
774 | * @return string The resource's path as declared in config file course.crs |
||
775 | */ |
||
776 | public function get_res_path($id) |
||
777 | { |
||
778 | if ($this->debug > 0) { |
||
779 | error_log('In aicc::get_res_path('.$id.') method', 0); |
||
780 | } |
||
781 | $path = ''; |
||
782 | if (isset($this->resources[$id])) { |
||
0 ignored issues
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|
|||
783 | $oRes = &$this->resources[$id]; |
||
784 | $path = @$oRes->get_path(); |
||
785 | } |
||
786 | |||
787 | return $path; |
||
788 | } |
||
789 | |||
790 | /** |
||
791 | * Gets a resource's type if available, otherwise return empty string. |
||
792 | * |
||
793 | * @param string Resource ID as used in resource array |
||
794 | * |
||
795 | * @return string The resource's type as declared in the assignable unit (.au) file |
||
796 | */ |
||
797 | public function get_res_type($id) |
||
798 | { |
||
799 | if ($this->debug > 0) { |
||
800 | error_log('In aicc::get_res_type('.$id.') method', 0); |
||
801 | } |
||
802 | $type = ''; |
||
803 | if (isset($this->resources[$id])) { |
||
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|
|||
804 | $oRes = &$this->resources[$id]; |
||
805 | $temptype = $oRes->get_scorm_type(); |
||
806 | if (!empty($temptype)) { |
||
807 | $type = $temptype; |
||
808 | } |
||
809 | } |
||
810 | |||
811 | return $type; |
||
812 | } |
||
813 | |||
814 | /** |
||
815 | * Gets the default organisation's title. |
||
816 | * |
||
817 | * @return string The organization's title |
||
818 | */ |
||
819 | public function get_title() |
||
820 | { |
||
821 | if ($this->debug > 0) { |
||
822 | error_log('In aicc::get_title() method', 0); |
||
823 | } |
||
824 | $title = ''; |
||
825 | if (isset($this->config['organizations']['default'])) { |
||
826 | $title = $this->organizations[$this->config['organizations']['default']]->get_name(); |
||
0 ignored issues
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|
|||
827 | } elseif (count($this->organizations) == 1) { |
||
828 | // This will only get one title but so we don't need to know the index. |
||
829 | foreach ($this->organizations as $id => $value) { |
||
830 | $title = $this->organizations[$id]->get_name(); |
||
831 | break; |
||
832 | } |
||
833 | } |
||
834 | |||
835 | return $title; |
||
836 | } |
||
837 | |||
838 | /** |
||
839 | * TODO: Implement this function to restore items data from a set of AICC config files, |
||
840 | * updating the existing table... This will prove very useful in case initial data |
||
841 | * from config files were not imported well enough. |
||
842 | */ |
||
843 | public function reimport_aicc() |
||
844 | { |
||
845 | if ($this->debug > 0) { |
||
846 | error_log('In aicc::reimport_aicc() method', 0); |
||
847 | } |
||
848 | //query current items list |
||
849 | //get the identifiers |
||
850 | //parse the config files |
||
851 | //match both |
||
852 | //update DB accordingly |
||
853 | return true; |
||
854 | } |
||
855 | |||
856 | /** |
||
857 | * Static function to parse AICC ini files. |
||
858 | * Based on work by sinedeo at gmail dot com published on php.net (parse_ini_file()). |
||
859 | * |
||
860 | * @param string File path |
||
861 | * |
||
862 | * @return array Structured array |
||
863 | */ |
||
864 | public function parse_ini_file_quotes_safe($f) |
||
865 | { |
||
866 | $null = ''; |
||
867 | $r = $null; |
||
868 | $sec = $null; |
||
869 | $f = @file_get_contents($f); |
||
870 | $f = api_convert_encoding($f, api_get_system_encoding(), $this->config_encoding); |
||
871 | $f = preg_split('/\r?\n/', $f); |
||
872 | for ($i = 0; $i < @count($f); $i++) { |
||
873 | $newsec = 0; |
||
874 | $w = @trim($f[$i]); |
||
875 | if (substr($w, 0, 1) == ';') { |
||
876 | // Ignore comment lines |
||
877 | continue; |
||
878 | } |
||
879 | if ($w) { |
||
880 | if ((!$r) or ($sec)) { |
||
881 | if ((@substr($w, 0, 1) == '[') and (@substr($w, -1, 1)) == ']') { |
||
882 | $sec = @substr($w, 1, @strlen($w) - 2); |
||
883 | $newsec = 1; |
||
884 | } |
||
885 | } |
||
886 | if (!$newsec) { |
||
887 | $w = @explode('=', $w); |
||
888 | $k = @trim($w[0]); |
||
889 | unset($w[0]); |
||
890 | $v = @trim(@implode('=', $w)); |
||
891 | if ((@substr($v, 0, 1) == "\"") and (@substr($v, -1, 1) == "\"")) { |
||
892 | $v = @substr($v, 1, @strlen($v) - 2); |
||
893 | } |
||
894 | if ($sec) { |
||
895 | if (api_strtolower($sec) == 'course_description') { // A special case. |
||
896 | $r[api_strtolower($sec)] = $k; |
||
897 | } else { |
||
898 | $r[api_strtolower($sec)][api_strtolower($k)] = $v; |
||
899 | } |
||
900 | } else { |
||
901 | $r[api_strtolower($k)] = $v; |
||
902 | } |
||
903 | } |
||
904 | } |
||
905 | } |
||
906 | |||
907 | return $r; |
||
908 | } |
||
909 | |||
910 | /** |
||
911 | * Static function to parse AICC ini strings. |
||
912 | * Based on work by sinedeo at gmail dot com published on php.net (parse_ini_file()). |
||
913 | * |
||
914 | * @param string INI File string |
||
915 | * @param array List of names of sections that should be considered |
||
916 | * as containing only hard string data (no variables), provided in lower case |
||
917 | * |
||
918 | * @return array Structured array |
||
919 | */ |
||
920 | public function parse_ini_string_quotes_safe($s, $pure_strings = []) |
||
921 | { |
||
922 | $null = ''; |
||
923 | $r = $null; |
||
924 | $sec = $null; |
||
925 | $s = api_convert_encoding($s, api_get_system_encoding(), $this->config_encoding); |
||
926 | //$f = split("\r\n", $s); |
||
927 | $f = preg_split('/\r?\n/', $s); |
||
928 | for ($i = 0; $i < @count($f); $i++) { |
||
929 | $newsec = 0; |
||
930 | $w = @trim($f[$i]); |
||
931 | if (substr($w, 0, 1) == ';') { |
||
932 | // Ignore comment lines |
||
933 | continue; |
||
934 | } |
||
935 | if ($w) { |
||
936 | if ((!$r) or ($sec)) { |
||
937 | if ((@substr($w, 0, 1) == '[') and (@substr($w, -1, 1)) == ']') { |
||
938 | $sec = @substr($w, 1, @strlen($w) - 2); |
||
939 | $pure_data = 0; |
||
940 | if (in_array(api_strtolower($sec), $pure_strings)) { |
||
941 | // This section can only be considered as pure string data (until the next section). |
||
942 | $pure_data = 1; |
||
943 | $r[api_strtolower($sec)] = ''; |
||
944 | } |
||
945 | $newsec = 1; |
||
946 | } |
||
947 | } |
||
948 | if (!$newsec) { |
||
949 | $w = @explode('=', $w); |
||
950 | $k = @trim($w[0]); |
||
951 | unset($w[0]); |
||
952 | $v = @trim(@implode('=', $w)); |
||
953 | if ((@substr($v, 0, 1) == "\"") and (@substr($v, -1, 1) == "\"")) { |
||
954 | $v = @substr($v, 1, @strlen($v) - 2); |
||
955 | } |
||
956 | if ($sec) { |
||
957 | if ($pure_data) { |
||
0 ignored issues
–
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Comprehensibility
Best Practice
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|
|||
958 | $r[api_strtolower($sec)] .= $f[$i]; |
||
959 | } else { |
||
960 | if (api_strtolower($sec) == 'course_description') { // A special case. |
||
961 | $r[api_strtolower($sec)] = $k; |
||
962 | } else { |
||
963 | $r[api_strtolower($sec)][api_strtolower($k)] = $v; |
||
964 | } |
||
965 | } |
||
966 | } else { |
||
967 | $r[api_strtolower($k)] = $v; |
||
968 | } |
||
969 | } |
||
970 | } |
||
971 | } |
||
972 | |||
973 | return $r; |
||
974 | } |
||
975 | |||
976 | /** |
||
977 | * Static function that parses CSV files into simple arrays, based on a function |
||
978 | * by spam at cyber-space dot nl published on php.net (fgetcsv()). |
||
979 | * |
||
980 | * @param string Filepath |
||
981 | * @param string CSV delimiter |
||
982 | * @param string CSV enclosure |
||
983 | * @param bool Might one field name happen more than once on the same line? (then split by comma in the values) |
||
984 | * |
||
985 | * @return array Simple structured array |
||
986 | */ |
||
987 | public function parse_csv_file($f, $delim = ',', $enclosure = '"', $multiples = false) |
||
988 | { |
||
989 | $data = @file_get_contents($f); |
||
990 | $data = api_convert_encoding($data, api_get_system_encoding(), $this->config_encoding); |
||
991 | $enclosed = false; |
||
992 | $fldcount = 0; |
||
993 | $linecount = 0; |
||
994 | $fldval = ''; |
||
995 | for ($i = 0; $i < strlen($data); $i++) { |
||
996 | $chr = $data[$i]; |
||
997 | switch ($chr) { |
||
998 | case $enclosure: |
||
999 | if ($enclosed && $data[$i + 1] == $enclosure) { |
||
1000 | $fldval .= $chr; |
||
1001 | $i++; // Skip the next character. |
||
1002 | } else { |
||
1003 | $enclosed = !$enclosed; |
||
1004 | } |
||
1005 | break; |
||
1006 | case $delim: |
||
1007 | if (!$enclosed) { |
||
1008 | $ret_array[$linecount][$fldcount++] = $fldval; |
||
1009 | $fldval = ''; |
||
1010 | } else { |
||
1011 | $fldval .= $chr; |
||
1012 | } |
||
1013 | break; |
||
1014 | case "\r": |
||
1015 | if (!$enclosed && $data[$i + 1] == "\n") { |
||
1016 | break; |
||
1017 | } |
||
1018 | // no break |
||
1019 | case "\n": |
||
1020 | if (!$enclosed) { |
||
1021 | $ret_array[$linecount++][$fldcount] = $fldval; |
||
1022 | $fldcount = 0; |
||
1023 | $fldval = ''; |
||
1024 | } else { |
||
1025 | $fldval .= $chr; |
||
1026 | } |
||
1027 | break; |
||
1028 | case "\\r": |
||
1029 | if (!$enclosed && $data[$i + 1] == "\\n") { |
||
1030 | break; |
||
1031 | } |
||
1032 | // no break |
||
1033 | case "\\n": |
||
1034 | if (!$enclosed) { |
||
1035 | $ret_array[$linecount++][$fldcount] = $fldval; |
||
1036 | $fldcount = 0; |
||
1037 | $fldval = ''; |
||
1038 | } else { |
||
1039 | $fldval .= $chr; |
||
1040 | } |
||
1041 | break; |
||
1042 | default: |
||
1043 | $fldval .= $chr; |
||
1044 | } |
||
1045 | } |
||
1046 | if ($fldval) { |
||
1047 | $ret_array[$linecount][$fldcount] = $fldval; |
||
1048 | } |
||
1049 | // Transform the array to use the first line as titles. |
||
1050 | $titles = []; |
||
1051 | $ret_ret_array = []; |
||
1052 | foreach ($ret_array as $line_idx => $line) { |
||
0 ignored issues
–
show
Comprehensibility
Best Practice
introduced
by
|
|||
1053 | if ($line_idx == 0) { |
||
1054 | $titles = $line; |
||
1055 | } else { |
||
1056 | $ret_ret_array[$line_idx] = []; |
||
1057 | foreach ($line as $idx => $val) { |
||
1058 | if ($multiples && !empty($ret_ret_array[$line_idx][api_strtolower($titles[$idx])])) { |
||
1059 | $ret_ret_array[$line_idx][api_strtolower($titles[$idx])] .= ','.$val; |
||
1060 | } else { |
||
1061 | $ret_ret_array[$line_idx][api_strtolower($titles[$idx])] = $val; |
||
1062 | } |
||
1063 | } |
||
1064 | } |
||
1065 | } |
||
1066 | |||
1067 | return $ret_ret_array; |
||
1068 | } |
||
1069 | } |
||
1070 |