src/Model/Post.php

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2020, Friendica
   4  *
   5  * @license GNU AGPL version 3 or any later version
   6  *
   7  * This program is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU Affero General Public License as
   9  * published by the Free Software Foundation, either version 3 of the
  10  * License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU Affero General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Affero General Public License
  18  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  19  *
  20  */
  21
  22 namespace Friendica\Model;
  23
  24 use Friendica\Core\Protocol;
  25 use Friendica\Database\DBA;
  26 use Friendica\Protocol\Activity;
  27 use Friendica\Repository\PermissionSet;
  28
  29 class Post
  30 {
  31         /**
  32          * Fetch a single post row
  33          *
  34          * @param mixed $stmt statement object
  35          * @return array|false current row or false
  36          * @throws \Exception
  37          */
  38         public static function fetch($stmt)
  39         {
  40                 $row = DBA::fetch($stmt);
  41
  42                 if (!is_array($row)) {
  43                         return $row;
  44                 }
  45
  46                 if (array_key_exists('verb', $row)) {
  47                         if (in_array($row['verb'], Item::ACTIVITIES)) {
  48                                 if (array_key_exists('title', $row)) {
  49                                         $row['title'] = '';
  50                                 }
  51                                 if (array_key_exists('body', $row)) {
  52                                         $row['body'] = $row['verb'];
  53                                 }
  54                                 if (array_key_exists('object', $row)) {
  55                                         $row['object'] = '';
  56                                 }
  57                                 if (array_key_exists('object-type', $row)) {
  58                                         $row['object-type'] = Activity\ObjectType::NOTE;
  59                                 }
  60                         } elseif (in_array($row['verb'], ['', Activity::POST, Activity::SHARE])) {
  61                                 // Posts don't have a target - but having tags or files.
  62                                 if (array_key_exists('target', $row)) {
  63                                         $row['target'] = '';
  64                                 }
  65                         }
  66                 }
  67
  68                 if (!array_key_exists('verb', $row) || in_array($row['verb'], ['', Activity::POST, Activity::SHARE])) {
  69                         // Build the file string out of the term entries
  70                         if (array_key_exists('file', $row)) {
  71                                 if ($row['internal-file-count'] > 0) {
  72                                         $row['file'] = Post\Category::getTextByURIId($row['internal-uri-id'], $row['internal-uid']);
  73                                 } else {
  74                                         $row['file'] = '';
  75                                 }
  76                         }
  77                 }
  78
  79                 // Remove internal fields
  80                 unset($row['internal-file-count']);
  81                 unset($row['internal-uri-id']);
  82                 unset($row['internal-uid']);
  83
  84                 return $row;
  85         }
  86
  87         /**
  88          * Fills an array with data from an post query
  89          *
  90          * @param object $stmt statement object
  91          * @param bool   $do_close
  92          * @return array Data array
  93          */
  94         public static function inArray($stmt, $do_close = true) {
  95                 if (is_bool($stmt)) {
  96                         return $stmt;
  97                 }
  98
  99                 $data = [];
 100                 while ($row = self::fetch($stmt)) {
 101                         $data[] = $row;
 102                 }
 103                 if ($do_close) {
 104                         DBA::close($stmt);
 105                 }
 106                 return $data;
 107         }
 108
 109         /**
 110          * Check if post data exists
 111          *
 112          * @param array $condition array of fields for condition
 113          *
 114          * @return boolean Are there rows for that condition?
 115          * @throws \Exception
 116          */
 117         public static function exists($condition) {
 118                 $stmt = self::select(['id'], $condition, ['limit' => 1]);
 119
 120                 if (is_bool($stmt)) {
 121                         $retval = $stmt;
 122                 } else {
 123                         $retval = (DBA::numRows($stmt) > 0);
 124                 }
 125
 126                 DBA::close($stmt);
 127
 128                 return $retval;
 129         }
 130
 131         /**
 132          * Retrieve a single record from the post table and returns it in an associative array
 133          *
 134          * @param array $fields
 135          * @param array $condition
 136          * @param array $params
 137          * @return bool|array
 138          * @throws \Exception
 139          * @see   DBA::select
 140          */
 141         public static function selectFirst(array $fields = [], array $condition = [], $params = [])
 142         {
 143                 $params['limit'] = 1;
 144
 145                 $result = self::select($fields, $condition, $params);
 146
 147                 if (is_bool($result)) {
 148                         return $result;
 149                 } else {
 150                         $row = self::fetch($result);
 151                         DBA::close($result);
 152                         return $row;
 153                 }
 154         }
 155
 156         /**
 157          * Select rows from the post table and returns them as an array
 158          *
 159          * @param array $selected  Array of selected fields, empty for all
 160          * @param array $condition Array of fields for condition
 161          * @param array $params    Array of several parameters
 162          *
 163          * @return array
 164          * @throws \Exception
 165          */
 166         public static function selectToArray(array $fields = [], array $condition = [], $params = [])
 167         {
 168                 $result = self::select($fields, $condition, $params);
 169
 170                 if (is_bool($result)) {
 171                         return [];
 172                 }
 173
 174                 $data = [];
 175                 while ($row = self::fetch($result)) {
 176                         $data[] = $row;
 177                 }
 178                 DBA::close($result);
 179
 180                 return $data;
 181         }
 182
 183         /**
 184          * Select rows from the post table
 185          *
 186          * @param array $selected  Array of selected fields, empty for all
 187          * @param array $condition Array of fields for condition
 188          * @param array $params    Array of several parameters
 189          *
 190          * @return boolean|object
 191          * @throws \Exception
 192          */
 193         public static function select(array $selected = [], array $condition = [], $params = [])
 194         {
 195                 if (empty($selected)) {
 196                         $selected = Item::DISPLAY_FIELDLIST;
 197                 }
 198
 199                 $selected = array_merge($selected, ['internal-uri-id', 'internal-uid', 'internal-file-count']);
 200                 $selected = array_unique($selected);
 201
 202                 return DBA::select('post-view', $selected, $condition, $params);
 203         }
 204 }