1 | <?php |
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2 | if (!defined('PHPWG_ROOT_PATH')) die('Hacking attempt!'); |
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3 | |
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4 | /* |
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5 | * Associates images to the category according to the filters |
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6 | * @param int category_id |
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7 | * @return array |
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8 | */ |
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9 | function smart_make_associations($cat_id) |
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10 | { |
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11 | $query = ' |
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12 | DELETE FROM '.IMAGE_CATEGORY_TABLE.' |
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13 | WHERE |
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14 | category_id = '.$cat_id.' |
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15 | AND smart = true |
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16 | ;'; |
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17 | pwg_query($query); |
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18 | |
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19 | $images = smart_get_pictures($cat_id); |
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20 | |
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21 | if (count($images) != 0) |
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22 | { |
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23 | foreach ($images as $img) |
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24 | { |
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25 | $datas[] = array( |
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26 | 'image_id' => $img, |
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27 | 'category_id' => $cat_id, |
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28 | 'smart' => true, |
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29 | ); |
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30 | } |
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31 | mass_inserts( |
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32 | IMAGE_CATEGORY_TABLE, |
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33 | array_keys($datas[0]), |
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34 | $datas, |
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35 | array('ignore'=>true) |
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36 | ); |
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37 | } |
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38 | |
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39 | // representant, try to not overwrite if still in images list |
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40 | $query = ' |
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41 | SELECT representative_picture_id |
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42 | FROM '.CATEGORIES_TABLE.' |
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43 | WHERE id = '.$cat_id.' |
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44 | ;'; |
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45 | list($rep_id) = pwg_db_fetch_row(pwg_query($query)); |
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46 | |
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47 | if ( !in_array($rep_id, $images) ) |
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48 | { |
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49 | include_once(PHPWG_ROOT_PATH.'admin/include/functions.php'); |
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50 | set_random_representant(array($cat_id)); |
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51 | } |
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52 | |
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53 | $query = ' |
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54 | UPDATE '.CATEGORIES_TABLE.' |
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55 | SET smart_update = NOW() |
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56 | WHERE id = '.$cat_id.' |
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57 | ;'; |
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58 | pwg_query($query); |
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59 | |
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60 | return $images; |
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61 | } |
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62 | |
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63 | |
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64 | /* |
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65 | * Make associations for all SmartAlbums |
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66 | * Called with invalidate_user_cache |
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67 | */ |
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68 | function smart_make_all_associations() |
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69 | { |
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70 | global $conf; |
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71 | |
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72 | if ( defined('SMART_NOT_UPDATE') OR !$conf['SmartAlbums']['update_on_upload'] ) return; |
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73 | |
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74 | // get categories with smart filters |
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75 | $query = ' |
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76 | SELECT DISTINCT id |
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77 | FROM '.CATEGORIES_TABLE.' AS c |
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78 | INNER JOIN '.CATEGORY_FILTERS_TABLE.' AS cf |
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79 | ON c.id = cf.category_id |
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80 | ;'; |
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81 | |
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82 | // regenerate photo list |
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83 | $smart_cats = array_from_query($query, 'id'); |
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84 | array_map('smart_make_associations', $smart_cats); |
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85 | } |
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86 | |
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87 | |
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88 | /* |
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89 | * Generates the list of images, according to the filters of the category |
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90 | * @param int category_id |
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91 | * @param array filters, if null => catch from db |
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92 | * @return array |
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93 | */ |
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94 | function smart_get_pictures($cat_id, $filters = null) |
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95 | { |
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96 | global $conf; |
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97 | |
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98 | /* get filters */ |
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99 | if ($filters === null) |
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100 | { |
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101 | $query = ' |
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102 | SELECT * |
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103 | FROM '.CATEGORY_FILTERS_TABLE.' |
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104 | WHERE category_id = '.$cat_id.' |
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105 | ORDER BY type ASC, cond ASC |
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106 | ;'; |
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107 | $result = pwg_query($query); |
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108 | |
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109 | if (!pwg_db_num_rows($result)) return array(); |
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110 | |
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111 | $filters = array(); |
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112 | while ($row = pwg_db_fetch_assoc($result)) |
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113 | { |
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114 | $filters[] = array( |
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115 | 'type' => $row['type'], |
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116 | 'cond' => $row['cond'], |
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117 | 'value' => $row['value'], |
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118 | ); |
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119 | } |
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120 | } |
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121 | else if (!count($filters)) |
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122 | { |
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123 | return array(); |
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124 | } |
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125 | |
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126 | $mode = 'and'; |
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127 | |
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128 | /* build constrains */ |
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129 | ## generate 'join', 'where' arrays and 'limit' string to create the SQL query |
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130 | ## inspired by PicsEngine 3 by Michael Villar |
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131 | $i_tags = 1; |
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132 | foreach ($filters as $filter) |
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133 | { |
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134 | switch ($filter['type']) |
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135 | { |
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136 | // tags |
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137 | case 'tags': |
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138 | { |
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139 | switch ($filter['cond']) |
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140 | { |
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141 | // search images which have all tags |
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142 | case 'all': |
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143 | { |
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144 | $tags_arr = explode(',', $filter['value']); |
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145 | foreach($tags_arr as $value) |
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146 | { |
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147 | $join[] = IMAGE_TAG_TABLE.' AS it'.$i_tags.' ON i.id = it'.$i_tags.'.image_id'; |
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148 | $where[] = 'it'.$i_tags.'.tag_id = '.$value; |
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149 | $i_tags++; |
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150 | } |
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151 | |
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152 | break; |
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153 | } |
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154 | // search images which tags are in the list |
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155 | case 'one': |
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156 | { |
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157 | $join[] = IMAGE_TAG_TABLE.' AS it'.$i_tags.' ON i.id = it'.$i_tags.'.image_id'; |
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158 | $where[] = 'it'.$i_tags.'.tag_id IN ('.$filter['value'].')'; |
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159 | $i_tags++; |
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160 | |
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161 | break; |
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162 | } |
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163 | // exclude images which tags are in the list |
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164 | case 'none': |
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165 | { |
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166 | $sub_query = ' |
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167 | SELECT it'.$i_tags.'.image_id |
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168 | FROM '.IMAGE_TAG_TABLE.' AS it'.$i_tags.' |
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169 | WHERE |
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170 | it'.$i_tags.'.image_id = i.id AND |
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171 | it'.$i_tags.'.tag_id IN ('.$filter['value'].') |
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172 | GROUP BY it'.$i_tags.'.image_id |
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173 | '; |
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174 | $join[] = IMAGE_TAG_TABLE.' AS it'.$i_tags.' ON i.id = it'.$i_tags.'.image_id'; |
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175 | $where[] = 'NOT EXISTS ('.$sub_query.')'; |
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176 | $i_tags++; |
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177 | |
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178 | break; |
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179 | } |
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180 | // exclude images which tags are not in the list and search images which have all tags |
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181 | case 'only': |
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182 | { |
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183 | $sub_query = ' |
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184 | SELECT it'.$i_tags.'.image_id |
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185 | FROM '.IMAGE_TAG_TABLE.' AS it'.$i_tags.' |
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186 | WHERE |
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187 | it'.$i_tags.'.image_id = i.id AND |
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188 | it'.$i_tags.'.tag_id NOT IN ('.$filter['value'].') |
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189 | GROUP BY it'.$i_tags.'.image_id |
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190 | '; |
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191 | $join[] = IMAGE_TAG_TABLE.' AS it'.$i_tags.' ON i.id = it'.$i_tags.'.image_id'; |
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192 | $where[] = 'NOT EXISTS ('.$sub_query.')'; |
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193 | $i_tags++; |
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194 | |
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195 | $tags_arr = explode(',', $filter['value']); |
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196 | foreach($tags_arr as $value) |
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197 | { |
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198 | $join[] = IMAGE_TAG_TABLE.' AS it'.$i_tags.' ON i.id = it'.$i_tags.'.image_id'; |
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199 | $where[] = 'it'.$i_tags.'.tag_id = '.$value; |
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200 | $i_tags++; |
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201 | } |
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202 | |
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203 | break; |
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204 | } |
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205 | } |
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206 | |
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207 | break; |
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208 | } |
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209 | |
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210 | // date |
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211 | case 'date': |
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212 | { |
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213 | switch ($filter['cond']) |
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214 | { |
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215 | case 'the_post': |
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216 | $where[] = 'date_available BETWEEN "'.$filter['value'].' 00:00:00" AND "'.$filter['value'].' 23:59:59"'; |
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217 | break; |
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218 | case 'before_post': |
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219 | $where[] = 'date_available < "'.$filter['value'].' 00:00:00"'; |
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220 | break; |
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221 | case 'after_post': |
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222 | $where[] = 'date_available > "'.$filter['value'].' 23:59:59"'; |
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223 | break; |
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224 | case 'the_taken': |
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225 | $where[] = 'date_creation BETWEEN "'.$filter['value'].' 00:00:00" AND "'.$filter['value'].' 23:59:59"'; |
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226 | break; |
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227 | case 'before_taken': |
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228 | $where[] = 'date_creation < "'.$filter['value'].' 00:00:00"'; |
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229 | break; |
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230 | case 'after_taken': |
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231 | $where[] = 'date_creation > "'.$filter['value'].' 23:59:59"'; |
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232 | break; |
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233 | } |
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234 | |
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235 | break; |
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236 | } |
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237 | |
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238 | // name |
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239 | case 'name': |
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240 | { |
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241 | switch ($filter['cond']) |
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242 | { |
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243 | case 'contain': |
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244 | $where[] = 'name LIKE "%'.$filter['value'].'%"'; |
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245 | break; |
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246 | case 'begin': |
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247 | $where[] = 'name LIKE "'.$filter['value'].'%"'; |
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248 | break; |
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249 | case 'end': |
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250 | $where[] = 'name LIKE "%'.$filter['value'].'"'; |
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251 | break; |
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252 | case 'not_contain': |
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253 | $where[] = 'name NOT LIKE "%'.$filter['value'].'%"'; |
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254 | break; |
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255 | case 'not_begin': |
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256 | $where[] = 'name NOT LIKE "'.$filter['value'].'%"'; |
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257 | break; |
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258 | case 'not_end': |
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259 | $where[] = 'name NOT LIKE "%'.$filter['value'].'"'; |
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260 | break; |
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261 | case 'regex': |
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262 | $where[] = 'name REGEXP "'.$filter['value'].'"'; |
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263 | break; |
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264 | } |
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265 | |
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266 | break; |
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267 | } |
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268 | |
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269 | // album |
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270 | case 'album': |
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271 | { |
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272 | switch ($filter['cond']) |
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273 | { |
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274 | // search images existing in all albums |
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275 | case 'all': |
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276 | { |
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277 | $albums_arr = explode(',', $filter['value']); |
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278 | foreach($albums_arr as $value) |
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279 | { |
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280 | $sub_query = ' |
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281 | SELECT image_id |
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282 | FROM '.IMAGE_CATEGORY_TABLE.' |
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283 | WHERE category_id = '.$value.' |
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284 | '; |
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285 | $where[] = 'i.id IN ('.$sub_query.')'; |
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286 | } |
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287 | |
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288 | break; |
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289 | } |
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290 | // search images existing in one of these albums |
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291 | case 'one': |
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292 | { |
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293 | $sub_query = ' |
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294 | SELECT image_id |
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295 | FROM '.IMAGE_CATEGORY_TABLE.' |
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296 | WHERE category_id IN('.$filter['value'].') |
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297 | '; |
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298 | $where[] = 'i.id IN ('.$sub_query.')'; |
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299 | |
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300 | break; |
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301 | } |
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302 | // exclude images existing in one of these albums |
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303 | case 'none': |
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304 | { |
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305 | $sub_query = ' |
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306 | SELECT image_id |
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307 | FROM '.IMAGE_CATEGORY_TABLE.' |
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308 | WHERE category_id IN('.$filter['value'].') |
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309 | '; |
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310 | $where[] = 'i.id NOT IN ('.$sub_query.')'; |
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311 | |
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312 | break; |
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313 | } |
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314 | // exclude images existing on other albums, and search images existing in all albums |
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315 | case 'only': |
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316 | { |
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317 | $sub_query = ' |
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318 | SELECT image_id |
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319 | FROM '.IMAGE_CATEGORY_TABLE.' |
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320 | WHERE category_id NOT IN('.$filter['value'].') |
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321 | '; |
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322 | $where[] = 'i.id NOT IN ('.$sub_query.')'; |
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323 | |
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324 | $albums_arr = explode(',', $filter['value']); |
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325 | foreach($albums_arr as $value) |
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326 | { |
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327 | $sub_query = ' |
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328 | SELECT image_id |
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329 | FROM '.IMAGE_CATEGORY_TABLE.' |
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330 | WHERE category_id = '.$value.' |
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331 | '; |
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332 | $where[] = 'i.id IN ('.$sub_query.')'; |
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333 | } |
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334 | |
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335 | break; |
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336 | } |
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337 | } |
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338 | |
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339 | break; |
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340 | } |
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341 | |
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342 | // dimensions |
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343 | case 'dimensions': |
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344 | { |
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345 | $filter['value'] = explode(',', $filter['value']); |
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346 | |
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347 | switch ($filter['cond']) |
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348 | { |
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349 | case 'width': |
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350 | $where[] = 'width >= '.$filter['value'][0].' AND width <= '.$filter['value'][1]; |
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351 | break; |
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352 | case 'height': |
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353 | $where[] = 'height >= '.$filter['value'][0].' AND height <= '.$filter['value'][1]; |
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354 | break; |
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355 | case 'ratio': |
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356 | $where[] = 'width/height >= '.$filter['value'][0].' AND width/height < '.($filter['value'][1]+0.01); |
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357 | break; |
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358 | } |
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359 | } |
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360 | |
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361 | // author |
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362 | case 'author': |
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363 | { |
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364 | switch ($filter['cond']) |
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365 | { |
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366 | case 'is': |
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367 | if ($filter['value'] != 'NULL') $filter['value'] = '"'.$filter['value'].'"'; |
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368 | $where[] = 'author = '.$filter['value'].''; |
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369 | break; |
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370 | case 'not_is': |
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371 | if ($filter['value'] != 'NULL') $filter['value'] = '"'.$filter['value'].'"'; |
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372 | $where[] = 'author != '.$filter['value'].''; |
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373 | break; |
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374 | case 'in': |
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375 | $filter['value'] = '"'.str_replace(',', '","', $filter['value']).'"'; |
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376 | $where[] = 'author IN('.$filter['value'].')'; |
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377 | break; |
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378 | case 'not_in': |
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379 | $filter['value'] = '"'.str_replace(',', '","', $filter['value']).'"'; |
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380 | $where[] = 'author NOT IN('.$filter['value'].')'; |
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381 | break; |
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382 | case 'regex': |
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383 | $where[] = 'author REGEXP "'.$filter['value'].'"'; |
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384 | break; |
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385 | } |
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386 | |
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387 | break; |
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388 | } |
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389 | |
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390 | // hit |
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391 | case 'hit': |
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392 | { |
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393 | switch ($filter['cond']) |
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394 | { |
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395 | case 'less': |
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396 | $where[] = 'hit < '.$filter['value'].''; |
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397 | break; |
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398 | case 'more': |
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399 | $where[] = 'hit >= '.$filter['value'].''; |
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400 | break; |
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401 | } |
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402 | |
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403 | break; |
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404 | } |
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405 | |
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406 | // rating_score |
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407 | case 'rating_score': |
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408 | { |
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409 | switch ($filter['cond']) |
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410 | { |
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411 | case 'less': |
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412 | $where[] = 'rating_score < '.$filter['value'].''; |
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413 | break; |
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414 | case 'more': |
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415 | $where[] = 'rating_score >= '.$filter['value'].''; |
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416 | break; |
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417 | } |
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418 | |
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419 | break; |
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420 | } |
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421 | |
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422 | // level |
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423 | case 'level': |
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424 | { |
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425 | $where[] = 'level = '.$filter['value'].''; |
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426 | break; |
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427 | } |
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428 | |
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429 | // limit |
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430 | case 'limit': |
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431 | { |
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432 | $limit = '0, '.$filter['value']; |
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433 | break; |
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434 | } |
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435 | |
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436 | // mode |
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437 | case 'mode': |
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438 | { |
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439 | $mode = $filter['value']; |
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440 | break; |
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441 | } |
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442 | } |
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443 | } |
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444 | |
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445 | /* bluid query */ |
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446 | $MainQuery = ' |
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447 | SELECT i.id |
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448 | FROM '.IMAGES_TABLE.' AS i'; |
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449 | |
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450 | if (isset($join)) |
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451 | { |
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452 | $MainQuery.= ' |
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453 | LEFT JOIN '.implode("\n LEFT JOIN ", $join); |
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454 | } |
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455 | if (isset($where)) |
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456 | { |
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457 | $MainQuery.= ' |
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458 | WHERE |
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459 | '.implode("\n ".$mode." ", $where); |
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460 | } |
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461 | |
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462 | $MainQuery.= ' |
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463 | GROUP BY i.id |
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464 | '.$conf['order_by'].' |
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465 | '.(isset($limit) ? "LIMIT ".$limit : null).' |
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466 | ;'; |
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467 | |
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468 | if (defined('SMART_DEBUG')) |
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469 | { |
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470 | file_put_contents(SMART_PATH.'dump_filters.txt', print_r($filters, true)); |
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471 | file_put_contents(SMART_PATH.'dump_query.sql', $MainQuery); |
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472 | } |
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473 | |
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474 | return array_from_query($MainQuery, 'id'); |
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475 | } |
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476 | |
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477 | |
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478 | /** |
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479 | * Check if the filter is proper |
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480 | * @param array filter |
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481 | * @return array or false |
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482 | */ |
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483 | function smart_check_filter($filter) |
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484 | { |
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485 | global $page, $limit_is_set, $level_is_set; |
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486 | $error = false; |
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487 | |
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488 | if (!isset($limit_is_set)) $limit_is_set = false; |
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489 | if (!isset($level_is_set)) $level_is_set = false; |
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490 | |
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491 | switch ($filter['type']) |
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492 | { |
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493 | # tags |
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494 | case 'tags': |
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495 | { |
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496 | if ($filter['value'] == null) |
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497 | { |
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498 | $error = true; |
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499 | array_push($page['errors'], l10n('No tag selected')); |
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500 | } |
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501 | else |
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502 | { |
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503 | $filter['value'] = implode(',', get_tag_ids($filter['value'])); |
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504 | } |
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505 | break; |
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506 | } |
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507 | # date |
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508 | case 'date': |
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509 | { |
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510 | if (!preg_match('#([0-9]{4})-([0-9]{2})-([0-9]{2})#', $filter['value'])) |
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511 | { |
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512 | $error = true; |
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513 | array_push($page['errors'], l10n('Date string is malformed')); |
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514 | } |
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515 | break; |
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516 | } |
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517 | # name |
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518 | case 'name': |
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519 | { |
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520 | if (empty($filter['value'])) |
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521 | { |
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522 | $error = true; |
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523 | array_push($page['errors'], l10n('Name is empty')); |
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524 | } |
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525 | else if ( $filter['cond']=='regex' and @preg_match('/'.$filter['value'].'/', null)===false ) |
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526 | { |
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527 | $error = true; |
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528 | array_push($page['errors'], l10n('Regex is malformed')); |
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529 | } |
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530 | break; |
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531 | } |
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532 | # album |
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533 | case 'album': |
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534 | { |
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535 | if (@$filter['value'] == null) |
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536 | { |
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537 | $error = true; |
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538 | array_push($page['errors'], l10n('No album selected')); |
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539 | } |
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540 | else |
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541 | { |
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542 | $filter['value'] = implode(',', $filter['value']); |
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543 | } |
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544 | break; |
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545 | } |
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546 | # dimensions |
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547 | case 'dimensions': |
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548 | { |
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549 | if ( empty($filter['value']['min']) or empty($filter['value']['max']) ) |
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550 | { |
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551 | $error = true; |
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552 | } |
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553 | else |
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554 | { |
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555 | $filter['value'] = $filter['value']['min'].','.$filter['value']['max']; |
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556 | } |
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557 | break; |
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558 | } |
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559 | # author |
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560 | case 'author': |
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561 | { |
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562 | if (empty($filter['value'])) |
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563 | { |
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564 | $error = true; |
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565 | array_push($page['errors'], l10n('Author is empty')); |
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566 | } |
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567 | else if ( $filter['cond']=='regex' and @preg_match('/'.$filter['value'].'/', null)===false ) |
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568 | { |
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569 | $error = true; |
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570 | array_push($page['errors'], l10n('Regex is malformed')); |
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571 | } |
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572 | else |
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573 | { |
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574 | $filter['value'] = preg_replace('#([ ]?),([ ]?)#', ',', $filter['value']); |
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575 | } |
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576 | break; |
---|
577 | } |
---|
578 | # hit |
---|
579 | case 'hit': |
---|
580 | { |
---|
581 | if (!preg_match('#([0-9]{1,})#', $filter['value'])) |
---|
582 | { |
---|
583 | $error = true; |
---|
584 | array_push($page['errors'], l10n('Hits must be an integer')); |
---|
585 | } |
---|
586 | break; |
---|
587 | } |
---|
588 | # rating_score |
---|
589 | case 'rating_score': |
---|
590 | { |
---|
591 | if (!preg_match('#([0-9]{1,})#', $filter['value'])) |
---|
592 | { |
---|
593 | $error = true; |
---|
594 | array_push($page['errors'], l10n('Rating score must be an integer')); |
---|
595 | } |
---|
596 | break; |
---|
597 | } |
---|
598 | # level |
---|
599 | case 'level': |
---|
600 | { |
---|
601 | if ($level_is_set == true) // only one level is allowed, first is saved |
---|
602 | { |
---|
603 | $error = true; |
---|
604 | array_push($page['errors'], l10n('You can\'t use more than one level filter')); |
---|
605 | } |
---|
606 | else |
---|
607 | { |
---|
608 | $filter['cond'] = 'level'; |
---|
609 | $level_is_set = true; |
---|
610 | } |
---|
611 | break; |
---|
612 | } |
---|
613 | # limit |
---|
614 | case 'limit': |
---|
615 | { |
---|
616 | if ($limit_is_set == true) // only one limit is allowed, first is saved |
---|
617 | { |
---|
618 | $error = true; |
---|
619 | array_push($page['errors'], l10n('You can\'t use more than one limit filter')); |
---|
620 | } |
---|
621 | else if (!preg_match('#([0-9]{1,})#', $filter['value'])) |
---|
622 | { |
---|
623 | $error = true; |
---|
624 | array_push($page['errors'], l10n('Limit must be an integer')); |
---|
625 | } |
---|
626 | else |
---|
627 | { |
---|
628 | $filter['cond'] = 'level'; |
---|
629 | $limit_is_set = true; |
---|
630 | } |
---|
631 | break; |
---|
632 | } |
---|
633 | # mode |
---|
634 | case 'mode': |
---|
635 | { |
---|
636 | $filter['cond'] = 'mode'; |
---|
637 | break; |
---|
638 | } |
---|
639 | |
---|
640 | default: |
---|
641 | { |
---|
642 | $error = true; |
---|
643 | break; |
---|
644 | } |
---|
645 | } |
---|
646 | |
---|
647 | |
---|
648 | if ($error == false) |
---|
649 | { |
---|
650 | return $filter; |
---|
651 | } |
---|
652 | else |
---|
653 | { |
---|
654 | return false; |
---|
655 | } |
---|
656 | } |
---|
657 | |
---|
658 | |
---|
659 | /** |
---|
660 | * clean table when categories are deleted |
---|
661 | */ |
---|
662 | function smart_delete_categories($ids) |
---|
663 | { |
---|
664 | $query = ' |
---|
665 | DELETE FROM '.CATEGORY_FILTERS_TABLE.' |
---|
666 | WHERE category_id IN('.implode(',', $ids).') |
---|
667 | ;'; |
---|
668 | pwg_query($query); |
---|
669 | } |
---|
670 | |
---|
671 | /** |
---|
672 | * update images list periodically |
---|
673 | */ |
---|
674 | function smart_periodic_update() |
---|
675 | { |
---|
676 | global $conf; |
---|
677 | |
---|
678 | // we only search for old albums every hour, nevermind which user is connected |
---|
679 | if ($conf['SmartAlbums']['last_update'] > time() - 3600) return; |
---|
680 | |
---|
681 | $conf['SmartAlbums']['last_update'] = time(); |
---|
682 | conf_update_param('SmartAlbums', serialize($conf['SmartAlbums'])); |
---|
683 | |
---|
684 | // get categories with smart filters |
---|
685 | $query = ' |
---|
686 | SELECT DISTINCT id |
---|
687 | FROM '.CATEGORIES_TABLE.' AS c |
---|
688 | INNER JOIN '.CATEGORY_FILTERS_TABLE.' AS cf |
---|
689 | ON c.id = cf.category_id |
---|
690 | WHERE smart_update < DATE_SUB(NOW(), INTERVAL '.$conf['SmartAlbums']['update_timeout'].' DAY) |
---|
691 | ;'; |
---|
692 | |
---|
693 | // regenerate photo list |
---|
694 | $smart_cats = array_from_query($query, 'id'); |
---|
695 | array_map('smart_make_associations', $smart_cats); |
---|
696 | } |
---|
697 | |
---|
698 | ?> |
---|