1 | <?php |
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2 | // +-----------------------------------------------------------------------+ |
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3 | // | Piwigo - a PHP based photo gallery | |
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4 | // +-----------------------------------------------------------------------+ |
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5 | // | Copyright(C) 2008-2014 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 | /** |
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25 | * API method |
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26 | * Returns a list of tags |
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27 | * @param mixed[] $params |
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28 | * @option bool sort_by_counter |
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29 | */ |
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30 | function ws_tags_getList($params, &$service) |
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31 | { |
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32 | $tags = get_available_tags(); |
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33 | if ($params['sort_by_counter']) |
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34 | { |
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35 | usort($tags, create_function('$a,$b', 'return -$a["counter"]+$b["counter"];') ); |
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36 | } |
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37 | else |
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38 | { |
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39 | usort($tags, 'tag_alpha_compare'); |
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40 | } |
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41 | |
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42 | for ($i=0; $i<count($tags); $i++) |
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43 | { |
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44 | $tags[$i]['id'] = (int)$tags[$i]['id']; |
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45 | $tags[$i]['counter'] = (int)$tags[$i]['counter']; |
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46 | $tags[$i]['url'] = make_index_url( |
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47 | array( |
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48 | 'section'=>'tags', |
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49 | 'tags'=>array($tags[$i]) |
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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 | return array( |
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55 | 'tags' => new PwgNamedArray( |
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56 | $tags, |
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57 | 'tag', |
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58 | ws_std_get_tag_xml_attributes() |
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59 | ) |
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60 | ); |
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61 | } |
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62 | |
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63 | /** |
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64 | * API method |
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65 | * Returns the list of tags as you can see them in administration |
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66 | * @param mixed[] $params |
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67 | * |
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68 | * Only admin can run this method and permissions are not taken into |
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69 | * account. |
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70 | */ |
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71 | function ws_tags_getAdminList($params, &$service) |
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72 | { |
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73 | return array( |
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74 | 'tags' => new PwgNamedArray( |
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75 | get_all_tags(), |
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76 | 'tag', |
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77 | ws_std_get_tag_xml_attributes() |
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78 | ) |
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79 | ); |
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80 | } |
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81 | |
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82 | /** |
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83 | * API method |
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84 | * Returns a list of images for tags |
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85 | * @param mixed[] $params |
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86 | * @option int[] tag_id (optional) |
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87 | * @option string[] tag_url_name (optional) |
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88 | * @option string[] tag_name (optional) |
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89 | * @option bool tag_mode_and |
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90 | * @option int per_page |
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91 | * @option int page |
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92 | * @option string order |
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93 | */ |
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94 | function ws_tags_getImages($params, &$service) |
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95 | { |
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96 | // first build all the tag_ids we are interested in |
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97 | $tags = find_tags($params['tag_id'], $params['tag_url_name'], $params['tag_name']); |
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98 | $tags_by_id = array(); |
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99 | foreach ($tags as $tag) |
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100 | { |
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101 | $tags['id'] = (int)$tag['id']; |
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102 | $tags_by_id[ $tag['id'] ] = $tag; |
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103 | } |
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104 | unset($tags); |
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105 | $tag_ids = array_keys($tags_by_id); |
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106 | |
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107 | $where_clauses = ws_std_image_sql_filter($params); |
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108 | if (!empty($where_clauses)) |
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109 | { |
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110 | $where_clauses = implode(' AND ', $where_clauses); |
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111 | } |
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112 | |
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113 | $order_by = ws_std_image_sql_order($params, 'i.'); |
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114 | if (!empty($order_by)) |
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115 | { |
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116 | $order_by = 'ORDER BY '.$order_by; |
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117 | } |
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118 | $image_ids = get_image_ids_for_tags( |
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119 | $tag_ids, |
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120 | $params['tag_mode_and'] ? 'AND' : 'OR', |
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121 | $where_clauses, |
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122 | $order_by |
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123 | ); |
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124 | |
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125 | $count_set = count($image_ids); |
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126 | $image_ids = array_slice($image_ids, $params['per_page']*$params['page'], $params['per_page'] ); |
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127 | |
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128 | $image_tag_map = array(); |
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129 | // build list of image ids with associated tags per image |
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130 | if (!empty($image_ids) and !$params['tag_mode_and']) |
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131 | { |
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132 | $query = ' |
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133 | SELECT image_id, GROUP_CONCAT(tag_id) AS tag_ids |
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134 | FROM '. IMAGE_TAG_TABLE .' |
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135 | WHERE tag_id IN ('. implode(',', $tag_ids) .') |
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136 | AND image_id IN ('. implode(',', $image_ids) .') |
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137 | GROUP BY image_id |
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138 | ;'; |
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139 | $result = pwg_query($query); |
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140 | |
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141 | while ($row = pwg_db_fetch_assoc($result)) |
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142 | { |
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143 | $row['image_id'] = (int)$row['image_id']; |
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144 | $image_tag_map[ $row['image_id'] ] = explode(',', $row['tag_ids']); |
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145 | } |
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146 | } |
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147 | |
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148 | $images = array(); |
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149 | if (!empty($image_ids)) |
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150 | { |
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151 | $rank_of = array_flip($image_ids); |
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152 | |
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153 | $query = ' |
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154 | SELECT * |
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155 | FROM '. IMAGES_TABLE .' |
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156 | WHERE id IN ('. implode(',',$image_ids) .') |
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157 | ;'; |
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158 | $result = pwg_query($query); |
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159 | |
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160 | while ($row = pwg_db_fetch_assoc($result)) |
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161 | { |
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162 | $image = array(); |
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163 | $image['rank'] = $rank_of[ $row['id'] ]; |
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164 | |
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165 | foreach (array('id', 'width', 'height', 'hit') as $k) |
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166 | { |
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167 | if (isset($row[$k])) |
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168 | { |
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169 | $image[$k] = (int)$row[$k]; |
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170 | } |
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171 | } |
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172 | foreach (array('file', 'name', 'comment', 'date_creation', 'date_available') as $k) |
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173 | { |
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174 | $image[$k] = $row[$k]; |
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175 | } |
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176 | $image = array_merge( $image, ws_std_get_urls($row) ); |
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177 | |
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178 | $image_tag_ids = ($params['tag_mode_and']) ? $tag_ids : $image_tag_map[$image['id']]; |
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179 | $image_tags = array(); |
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180 | foreach ($image_tag_ids as $tag_id) |
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181 | { |
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182 | $url = make_index_url( |
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183 | array( |
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184 | 'section'=>'tags', |
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185 | 'tags'=> array($tags_by_id[$tag_id]) |
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186 | ) |
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187 | ); |
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188 | $page_url = make_picture_url( |
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189 | array( |
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190 | 'section'=>'tags', |
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191 | 'tags'=> array($tags_by_id[$tag_id]), |
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192 | 'image_id' => $row['id'], |
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193 | 'image_file' => $row['file'], |
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194 | ) |
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195 | ); |
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196 | $image_tags[] = array( |
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197 | 'id' => (int)$tag_id, |
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198 | 'url' => $url, |
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199 | 'page_url' => $page_url, |
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200 | ); |
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201 | } |
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202 | |
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203 | $image['tags'] = new PwgNamedArray($image_tags, 'tag', ws_std_get_tag_xml_attributes() ); |
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204 | $images[] = $image; |
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205 | } |
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206 | |
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207 | usort($images, 'rank_compare'); |
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208 | unset($rank_of); |
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209 | } |
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210 | |
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211 | return array( |
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212 | 'paging' => new PwgNamedStruct( |
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213 | array( |
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214 | 'page' => $params['page'], |
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215 | 'per_page' => $params['per_page'], |
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216 | 'count' => count($images), |
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217 | 'total_count' => $count_set, |
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218 | ) |
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219 | ), |
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220 | 'images' => new PwgNamedArray( |
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221 | $images, |
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222 | 'image', |
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223 | ws_std_get_image_xml_attributes() |
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224 | ) |
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225 | ); |
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226 | } |
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227 | |
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228 | /** |
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229 | * API method |
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230 | * Adds a tag |
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231 | * @param mixed[] $params |
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232 | * @option string name |
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233 | */ |
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234 | function ws_tags_add($params, &$service) |
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235 | { |
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236 | include_once(PHPWG_ROOT_PATH.'admin/include/functions.php'); |
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237 | |
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238 | $creation_output = create_tag($params['name']); |
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239 | |
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240 | if (isset($creation_output['error'])) |
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241 | { |
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242 | return new PwgError(500, $creation_output['error']); |
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243 | } |
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244 | |
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245 | return $creation_output; |
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246 | } |
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247 | |
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248 | ?> |
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