1 | <?php |
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2 | // +-----------------------------------------------------------------------+ |
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3 | // | Piwigo - a PHP based picture gallery | |
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4 | // +-----------------------------------------------------------------------+ |
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5 | // | Copyright(C) 2008-2009 Piwigo Team http://piwigo.org | |
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6 | // | Copyright(C) 2003-2008 PhpWebGallery Team http://phpwebgallery.net | |
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7 | // | Copyright(C) 2002-2003 Pierrick LE GALL http://le-gall.net/pierrick | |
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8 | // +-----------------------------------------------------------------------+ |
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9 | // | This program is free software; you can redistribute it and/or modify | |
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10 | // | it under the terms of the GNU General Public License as published by | |
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11 | // | the Free Software Foundation | |
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12 | // | | |
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13 | // | This program is distributed in the hope that it will be useful, but | |
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14 | // | WITHOUT ANY WARRANTY; without even the implied warranty of | |
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15 | // | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
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16 | // | General Public License for more details. | |
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17 | // | | |
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18 | // | You should have received a copy of the GNU General Public License | |
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19 | // | along with this program; if not, write to the Free Software | |
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20 | // | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, | |
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21 | // | USA. | |
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22 | // +-----------------------------------------------------------------------+ |
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23 | |
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24 | define('PHPWG_ROOT_PATH','./'); |
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25 | include_once(PHPWG_ROOT_PATH.'include/common.inc.php'); |
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26 | include_once(PHPWG_ROOT_PATH.'include/functions_notification.inc.php'); |
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27 | |
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28 | // +-----------------------------------------------------------------------+ |
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29 | // | functions | |
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30 | // +-----------------------------------------------------------------------+ |
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31 | |
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32 | /** |
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33 | * creates a Unix timestamp (number of seconds since 1970-01-01 00:00:00 |
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34 | * GMT) from a MySQL datetime format (2005-07-14 23:01:37) |
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35 | * |
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36 | * @param string mysql datetime format |
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37 | * @return int timestamp |
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38 | */ |
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39 | function mysqldt_to_ts($mysqldt) |
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40 | { |
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41 | $date = explode_mysqldt($mysqldt); |
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42 | return mktime($date['hour'], $date['minute'], $date['second'], |
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43 | $date['month'], $date['day'], $date['year']); |
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44 | } |
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45 | |
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46 | /** |
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47 | * creates an ISO 8601 format date (2003-01-20T18:05:41+04:00) from Unix |
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48 | * timestamp (number of seconds since 1970-01-01 00:00:00 GMT) |
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49 | * |
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50 | * function copied from Dotclear project http://dotclear.net |
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51 | * |
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52 | * @param int timestamp |
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53 | * @return string ISO 8601 date format |
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54 | */ |
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55 | function ts_to_iso8601($ts) |
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56 | { |
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57 | $tz = date('O',$ts); |
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58 | $tz = substr($tz, 0, -2).':'.substr($tz, -2); |
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59 | return date('Y-m-d\\TH:i:s',$ts).$tz; |
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60 | } |
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61 | |
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62 | // +-----------------------------------------------------------------------+ |
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63 | // | initialization | |
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64 | // +-----------------------------------------------------------------------+ |
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65 | |
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66 | check_input_parameter('feed', $_GET, false, '/^[0-9a-z]{50}$/i'); |
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67 | |
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68 | $feed_id= isset($_GET['feed']) ? $_GET['feed'] : ''; |
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69 | $image_only=isset($_GET['image_only']); |
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70 | |
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71 | // echo '<pre>'.generate_key(50).'</pre>'; |
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72 | if ( !empty($feed_id) ) |
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73 | { |
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74 | $query = ' |
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75 | SELECT user_id, |
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76 | last_check |
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77 | FROM '.USER_FEED_TABLE.' |
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78 | WHERE id = \''.$feed_id.'\' |
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79 | ;'; |
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80 | $feed_row = mysql_fetch_assoc(pwg_query($query)); |
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81 | if ( empty($feed_row) ) |
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82 | { |
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83 | page_not_found('Unknown/missing feed identifier'); |
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84 | } |
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85 | if ($feed_row['user_id']!=$user['id']) |
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86 | { // new user |
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87 | $user = build_user( $feed_row['user_id'], true ); |
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88 | } |
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89 | } |
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90 | else |
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91 | { |
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92 | $image_only = true; |
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93 | if (!is_a_guest()) |
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94 | {// auto session was created - so switch to guest |
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95 | $user = build_user( $conf['guest_id'], true ); |
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96 | } |
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97 | } |
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98 | |
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99 | // Check the status now after the user has been loaded |
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100 | check_status(ACCESS_GUEST); |
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101 | |
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102 | list($dbnow) = mysql_fetch_row(pwg_query('SELECT NOW();')); |
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103 | |
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104 | include_once(PHPWG_ROOT_PATH.'include/feedcreator.class.php'); |
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105 | |
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106 | set_make_full_url(); |
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107 | |
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108 | $rss = new UniversalFeedCreator(); |
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109 | $rss->encoding=get_pwg_charset(); |
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110 | $rss->title = $conf['gallery_title']; |
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111 | $rss->title.= ' (as '.$user['username'].')'; |
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112 | |
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113 | $rss->link = $conf['gallery_url']; |
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114 | |
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115 | // +-----------------------------------------------------------------------+ |
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116 | // | Feed creation | |
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117 | // +-----------------------------------------------------------------------+ |
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118 | |
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119 | $news = array(); |
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120 | if (!$image_only) |
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121 | { |
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122 | $news = news($feed_row['last_check'], $dbnow, true, true); |
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123 | |
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124 | if (count($news) > 0) |
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125 | { |
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126 | $item = new FeedItem(); |
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127 | $item->title = sprintf(l10n('New on %s'), format_date($dbnow) ); |
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128 | $item->link = $conf['gallery_url']; |
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129 | |
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130 | // content creation |
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131 | $item->description = '<ul>'; |
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132 | foreach ($news as $line) |
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133 | { |
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134 | $item->description.= '<li>'.$line.'</li>'; |
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135 | } |
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136 | $item->description.= '</ul>'; |
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137 | $item->descriptionHtmlSyndicated = true; |
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138 | |
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139 | $item->date = mysqldt_to_ts($dbnow); |
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140 | $item->author = $conf['rss_feed_author']; |
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141 | $item->guid= sprintf('%s', $dbnow);; |
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142 | |
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143 | $rss->addItem($item); |
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144 | |
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145 | $query = ' |
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146 | UPDATE '.USER_FEED_TABLE.' |
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147 | SET last_check = \''.$dbnow.'\' |
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148 | WHERE id = \''.$feed_id.'\' |
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149 | ;'; |
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150 | pwg_query($query); |
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151 | } |
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152 | } |
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153 | |
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154 | if ( !empty($feed_id) and empty($news) ) |
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155 | {// update the last check from time to time to avoid deletion by maintenance tasks |
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156 | if ( !isset($feed_row['last_check']) |
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157 | or time()-mysqldt_to_ts($feed_row['last_check']) > 30*24*3600 ) |
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158 | { |
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159 | $query = ' |
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160 | UPDATE '.USER_FEED_TABLE.' |
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161 | SET last_check = DATE_ADD(\''.$dbnow.'\', INTERVAL -15 DAY ) |
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162 | WHERE id = \''.$feed_id.'\' |
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163 | ;'; |
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164 | pwg_query($query); |
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165 | } |
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166 | } |
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167 | |
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168 | $dates = get_recent_post_dates_array($conf['recent_post_dates']['RSS']); |
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169 | |
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170 | foreach($dates as $date_detail) |
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171 | { // for each recent post date we create a feed item |
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172 | $item = new FeedItem(); |
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173 | $date = $date_detail['date_available']; |
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174 | $item->title = get_title_recent_post_date($date_detail); |
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175 | $item->link = make_index_url( |
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176 | array( |
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177 | 'chronology_field' => 'posted', |
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178 | 'chronology_style'=> 'monthly', |
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179 | 'chronology_view' => 'calendar', |
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180 | 'chronology_date' => explode('-', substr($date,0,10) ) |
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181 | ) |
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182 | ); |
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183 | |
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184 | $item->description .= |
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185 | '<a href="'.make_index_url().'">'.$conf['gallery_title'].'</a><br/> '; |
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186 | |
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187 | $item->description .= get_html_description_recent_post_date($date_detail); |
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188 | |
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189 | $item->descriptionHtmlSyndicated = true; |
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190 | |
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191 | $item->date = mysqldt_to_ts($date); |
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192 | $item->author = $conf['rss_feed_author']; |
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193 | $item->guid= sprintf('%s', 'pics-'.$date);; |
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194 | |
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195 | $rss->addItem($item); |
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196 | } |
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197 | |
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198 | $fileName= $conf['local_data_dir'].'/tmp'; |
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199 | mkgetdir($fileName); // just in case |
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200 | $fileName.='/feed.xml'; |
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201 | // send XML feed |
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202 | echo $rss->saveFeed('RSS2.0', $fileName, true); |
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203 | ?> |
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