1 | <?php |
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2 | // +-----------------------------------------------------------------------+ |
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3 | // | functions_metadata.php | |
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4 | // +-----------------------------------------------------------------------+ |
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5 | // | application : PhpWebGallery <http://phpwebgallery.net> | |
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6 | // | branch : BSF (Best So Far) | |
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7 | // +-----------------------------------------------------------------------+ |
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8 | // | file : $RCSfile$ |
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9 | // | last update : $Date: 2004-10-09 10:04:23 +0000 (Sat, 09 Oct 2004) $ |
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10 | // | last modifier : $Author: z0rglub $ |
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11 | // | revision : $Revision: 562 $ |
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12 | // +-----------------------------------------------------------------------+ |
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13 | // | This program is free software; you can redistribute it and/or modify | |
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14 | // | it under the terms of the GNU General Public License as published by | |
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15 | // | the Free Software Foundation | |
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16 | // | | |
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17 | // | This program is distributed in the hope that it will be useful, but | |
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18 | // | WITHOUT ANY WARRANTY; without even the implied warranty of | |
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19 | // | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
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20 | // | General Public License for more details. | |
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21 | // | | |
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22 | // | You should have received a copy of the GNU General Public License | |
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23 | // | along with this program; if not, write to the Free Software | |
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24 | // | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, | |
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25 | // | USA. | |
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26 | // +-----------------------------------------------------------------------+ |
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27 | |
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28 | include_once(PHPWG_ROOT_PATH.'/include/functions_metadata.inc.php'); |
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29 | |
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30 | function get_sync_iptc_data($file) |
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31 | { |
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32 | $map = array( |
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33 | 'keywords' => '2#025', |
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34 | 'date_creation' => '2#055', |
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35 | 'author' => '2#122', |
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36 | 'name' => '2#085', |
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37 | 'comment' => '2#120' |
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38 | ); |
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39 | $datefields = array('date_creation', 'date_available'); |
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40 | |
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41 | $iptc = get_iptc_data($file, $map); |
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42 | |
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43 | foreach ($iptc as $pwg_key => $value) |
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44 | { |
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45 | if (in_array($pwg_key, $datefields)) |
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46 | { |
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47 | if ( preg_match('/(\d{4})(\d{2})(\d{2})/', $value, $matches)) |
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48 | { |
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49 | $iptc[$pwg_key] = $matches[1].'-'.$matches[2].'-'.$matches[3]; |
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50 | } |
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51 | } |
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52 | } |
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53 | |
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54 | if (isset($iptc['keywords'])) |
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55 | { |
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56 | // keywords separator is the comma, nothing else. Allowed characters in |
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57 | // keywords : [A-Za-z0-9], "-" and "_". All other characters will be |
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58 | // considered as separators |
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59 | $iptc['keywords'] = preg_replace('/[^\w-]+/', ',', $iptc['keywords']); |
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60 | $iptc['keywords'] = preg_replace('/^,+|,+$/', '', $iptc['keywords']); |
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61 | } |
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62 | |
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63 | return $iptc; |
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64 | } |
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65 | |
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66 | function update_metadata($files) |
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67 | { |
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68 | global $conf; |
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69 | |
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70 | $inserts = array(); |
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71 | |
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72 | foreach ($files as $id => $file) |
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73 | { |
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74 | $insert = array(); |
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75 | $insert['id'] = $id; |
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76 | $insert['filesize'] = floor(filesize($file)/1024); |
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77 | |
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78 | if ($image_size = @getimagesize($file)) |
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79 | { |
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80 | $insert['width'] = $image_size[0]; |
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81 | $insert['height'] = $image_size[1]; |
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82 | } |
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83 | |
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84 | if ($conf['use_exif']) |
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85 | { |
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86 | if ($exif = @read_exif_data($file)) |
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87 | { |
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88 | if (isset($exif['DateTime'])) |
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89 | { |
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90 | preg_match('/^(\d{4}).(\d{2}).(\d{2})/' |
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91 | ,$exif['DateTime'] |
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92 | ,$matches); |
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93 | $insert['date_creation'] = |
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94 | "'".$matches[1].'-'.$matches[2].'-'.$matches[3]."'"; |
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95 | } |
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96 | } |
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97 | } |
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98 | |
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99 | if ($conf['use_iptc']) |
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100 | { |
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101 | $iptc = get_sync_iptc_data($file); |
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102 | if (count($iptc) > 0) |
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103 | { |
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104 | foreach (array_keys($iptc) as $key) |
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105 | { |
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106 | $insert[$key] = "'".addslashes($iptc[$key])."'"; |
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107 | } |
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108 | } |
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109 | } |
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110 | |
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111 | $insert['date_metadata_update'] = CURRENT_DATE; |
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112 | |
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113 | array_push($inserts, $insert); |
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114 | } |
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115 | |
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116 | if (count($inserts) > 0) |
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117 | { |
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118 | $dbfields = array( |
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119 | 'id','filesize','width','height','name','author','comment' |
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120 | ,'date_creation','keywords','date_metadata_update' |
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121 | ); |
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122 | |
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123 | // depending on the MySQL version, we use the multi table update or N |
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124 | // update queries |
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125 | $query = 'SELECT VERSION() AS version;'; |
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126 | $row = mysql_fetch_array(mysql_query($query)); |
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127 | if (version_compare($row['version'],'4.0.4') < 0) |
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128 | { |
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129 | // MySQL is prior to version 4.0.4, multi table update feature is not |
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130 | // available |
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131 | echo 'MySQL is prior to version 4.0.4, multi table update feature is not available<br />'; |
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132 | foreach ($inserts as $insert) |
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133 | { |
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134 | $query = ' |
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135 | UPDATE '.IMAGES_TABLE.' |
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136 | SET '; |
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137 | foreach (array_diff(array_keys($insert),array('id')) as $num => $key) |
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138 | { |
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139 | if ($num > 1) |
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140 | { |
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141 | $query.= ', '; |
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142 | } |
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143 | $query.= $key.' = '.$insert[$key]; |
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144 | } |
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145 | $query.= ' |
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146 | WHERE id = '.$insert['id'].' |
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147 | ;'; |
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148 | // echo '<pre>'.$query.'</pre>'; |
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149 | mysql_query($query); |
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150 | } |
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151 | } |
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152 | else |
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153 | { |
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154 | // creation of the temporary table |
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155 | $query = ' |
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156 | DESCRIBE '.IMAGES_TABLE.' |
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157 | ;'; |
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158 | $result = mysql_query($query); |
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159 | $columns = array(); |
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160 | while ($row = mysql_fetch_array($result)) |
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161 | { |
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162 | if (in_array($row['Field'], $dbfields)) |
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163 | { |
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164 | $column = $row['Field']; |
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165 | $column.= ' '.$row['Type']; |
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166 | if (!isset($row['Null']) or $row['Null'] == '') |
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167 | { |
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168 | $column.= ' NOT NULL'; |
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169 | } |
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170 | if (isset($row['Default'])) |
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171 | { |
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172 | $column.= " default '".$row['Default']."'"; |
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173 | } |
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174 | array_push($columns, $column); |
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175 | } |
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176 | } |
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177 | $query = ' |
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178 | CREATE TEMPORARY TABLE '.IMAGE_METADATA_TABLE.' |
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179 | ( |
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180 | '.implode(",\n", $columns).', |
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181 | PRIMARY KEY (id) |
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182 | ) |
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183 | ;'; |
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184 | // echo '<pre>'.$query.'</pre>'; |
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185 | mysql_query($query); |
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186 | // inserts all found pictures |
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187 | $query = ' |
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188 | INSERT INTO '.IMAGE_METADATA_TABLE.' |
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189 | ('.implode(',', $dbfields).') |
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190 | VALUES |
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191 | '; |
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192 | foreach ($inserts as $insert_id => $insert) |
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193 | { |
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194 | $query.= ' |
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195 | '; |
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196 | if ($insert_id > 0) |
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197 | { |
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198 | $query.= ','; |
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199 | } |
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200 | $query.= '('; |
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201 | foreach ($dbfields as $field_id => $dbfield) |
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202 | { |
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203 | if ($field_id > 0) |
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204 | { |
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205 | $query.= ','; |
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206 | } |
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207 | |
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208 | if (!isset($insert[$dbfield]) or $insert[$dbfield] == '') |
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209 | { |
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210 | $query.= 'NULL'; |
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211 | } |
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212 | else |
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213 | { |
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214 | $query.= $insert[$dbfield]; |
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215 | } |
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216 | } |
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217 | $query.=')'; |
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218 | } |
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219 | $query.= ' |
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220 | ;'; |
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221 | // echo '<pre>'.$query.'</pre>'; |
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222 | mysql_query($query); |
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223 | // update of images table by joining with temporary table |
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224 | $query = ' |
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225 | UPDATE '.IMAGES_TABLE.' AS images, '.IMAGE_METADATA_TABLE.' as metadata |
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226 | SET '.implode("\n , ", |
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227 | array_map( |
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228 | create_function('$s', 'return "images.$s = metadata.$s";') |
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229 | , array_diff($dbfields, array('id')))).' |
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230 | WHERE images.id = metadata.id |
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231 | ;'; |
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232 | echo '<pre>'.$query.'</pre>'; |
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233 | mysql_query($query); |
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234 | } |
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235 | } |
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236 | } |
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237 | |
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238 | /** |
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239 | * returns an array associating element id (images.id) with its complete |
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240 | * path in the filesystem |
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241 | * |
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242 | * @param int id_uppercat |
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243 | * @param boolean recursive ? |
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244 | * @param boolean only newly added files ? |
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245 | * @return array |
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246 | */ |
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247 | function get_filelist($category_id = '', $recursive = false, $only_new = false) |
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248 | { |
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249 | $files = array(); |
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250 | |
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251 | $query = ' |
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252 | SELECT id, dir |
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253 | FROM '.CATEGORIES_TABLE.' |
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254 | ;'; |
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255 | $result = mysql_query($query); |
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256 | $cat_dirs = array(); |
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257 | while ($row = mysql_fetch_array($result)) |
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258 | { |
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259 | $cat_dirs[$row['id']] = $row['dir']; |
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260 | } |
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261 | |
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262 | // filling $uppercats_array : to each category id the uppercats list is |
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263 | // associated |
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264 | $uppercats_array = array(); |
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265 | |
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266 | $query = ' |
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267 | SELECT id, uppercats |
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268 | FROM '.CATEGORIES_TABLE; |
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269 | if (is_numeric($category_id)) |
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270 | { |
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271 | if ($recursive) |
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272 | { |
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273 | $query.= ' |
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274 | WHERE uppercats REGEXP \'(^|,)'.$category_id.'(,|$)\' |
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275 | '; |
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276 | } |
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277 | else |
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278 | { |
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279 | $query.= ' |
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280 | WHERE id = '.$category_id.' |
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281 | '; |
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282 | } |
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283 | } |
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284 | $query.= ' |
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285 | ;'; |
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286 | $result = mysql_query($query); |
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287 | while ($row = mysql_fetch_array($result)) |
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288 | { |
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289 | $uppercats_array[$row['id']] = $row['uppercats']; |
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290 | } |
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291 | |
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292 | $query = ' |
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293 | SELECT galleries_url |
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294 | FROM '.SITES_TABLE.' |
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295 | WHERE id = 1 |
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296 | '; |
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297 | $row = mysql_fetch_array(mysql_query($query)); |
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298 | $basedir = $row['galleries_url']; |
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299 | |
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300 | // filling $cat_fulldirs |
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301 | $cat_fulldirs = array(); |
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302 | foreach ($uppercats_array as $cat_id => $uppercats) |
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303 | { |
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304 | $uppercats = str_replace(',', '/', $uppercats); |
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305 | $cat_fulldirs[$cat_id] = $basedir.preg_replace('/(\d+)/e', |
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306 | "\$cat_dirs['$1']", |
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307 | $uppercats); |
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308 | } |
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309 | |
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310 | $query = ' |
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311 | SELECT id, file, storage_category_id |
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312 | FROM '.IMAGES_TABLE.' |
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313 | WHERE storage_category_id IN ('.implode(',' |
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314 | ,array_keys($uppercats_array)).')'; |
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315 | if ($only_new) |
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316 | { |
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317 | $query.= ' |
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318 | AND date_metadata_update IS NULL |
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319 | '; |
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320 | } |
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321 | $query.= ' |
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322 | ;'; |
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323 | $result = mysql_query($query); |
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324 | while ($row = mysql_fetch_array($result)) |
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325 | { |
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326 | $files[$row['id']] |
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327 | = $cat_fulldirs[$row['storage_category_id']].'/'.$row['file']; |
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328 | } |
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329 | |
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330 | return $files; |
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331 | } |
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332 | ?> |
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