src/Content/Item.php

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2010-2021, the Friendica project
   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\Content;
  23
  24 use Friendica\Database\DBA;
  25 use Friendica\Model\Contact;
  26 use Friendica\Model\Tag;
  27 use Friendica\Model\Post;
  28
  29 /**
  30  * A content helper class for displaying items
  31  */
  32 class Item
  33 {
  34         /**
  35          * Return array with details for categories and folders for an item
  36          *
  37          * @param array $item
  38          * @param int   $uid
  39          * @return [array, array]
  40          *
  41          * [
  42          *      [ // categories array
  43          *          {
  44          *               'name': 'category name',
  45          *               'removeurl': 'url to remove this category',
  46          *               'first': 'is the first in this array? true/false',
  47          *               'last': 'is the last in this array? true/false',
  48          *           } ,
  49          *           ....
  50          *       ],
  51          *       [ //folders array
  52          *                      {
  53          *               'name': 'folder name',
  54          *               'removeurl': 'url to remove this folder',
  55          *               'first': 'is the first in this array? true/false',
  56          *               'last': 'is the last in this array? true/false',
  57          *           } ,
  58          *           ....
  59          *       ]
  60          *  ]
  61          */
  62         public function determineCategoriesTerms(array $item, int $uid = 0)
  63         {
  64                 $categories = [];
  65                 $folders = [];
  66                 $first = true;
  67
  68                 $uid = $item['uid'] ?: $uid;
  69
  70                 foreach (Post\Category::getArrayByURIId($item['uri-id'], $uid, Post\Category::CATEGORY) as $savedFolderName) {
  71                         if (!empty($item['author-link'])) {
  72                                 $url = $item['author-link'] . "?category=" . rawurlencode($savedFolderName);
  73                         } else {
  74                                 $url = '#';
  75                         }
  76                         $categories[] = [
  77                                 'name' => $savedFolderName,
  78                                 'url' => $url,
  79                                 'removeurl' => local_user() == $uid ? 'filerm/' . $item['id'] . '?cat=' . rawurlencode($savedFolderName) : '',
  80                                 'first' => $first,
  81                                 'last' => false
  82                         ];
  83                         $first = false;
  84                 }
  85
  86                 if (count($categories)) {
  87                         $categories[count($categories) - 1]['last'] = true;
  88                 }
  89
  90                 if (local_user() == $uid) {
  91                         foreach (Post\Category::getArrayByURIId($item['uri-id'], $uid, Post\Category::FILE) as $savedFolderName) {
  92                                 $folders[] = [
  93                                         'name' => $savedFolderName,
  94                                         'url' => "#",
  95                                         'removeurl' => local_user() == $uid ? 'filerm/' . $item['id'] . '?term=' . rawurlencode($savedFolderName) : '',
  96                                         'first' => $first,
  97                                         'last' => false
  98                                 ];
  99                                 $first = false;
 100                         }
 101                 }
 102
 103                 if (count($folders)) {
 104                         $folders[count($folders) - 1]['last'] = true;
 105                 }
 106
 107                 return [$categories, $folders];
 108         }
 109
 110         /**
 111          * This function removes the tag $tag from the text $body and replaces it with
 112          * the appropriate link.
 113          *
 114          * @param string  $body        the text to replace the tag in
 115          * @param string  $inform      a comma-seperated string containing everybody to inform
 116          * @param integer $profile_uid the user id to replace the tag for (0 = anyone)
 117          * @param string  $tag         the tag to replace
 118          * @param string  $network     The network of the post
 119          *
 120          * @return array|bool ['replaced' => $replaced, 'contact' => $contact];
 121          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 122          * @throws \ImagickException
 123          */
 124         public static function replaceTag(&$body, &$inform, $profile_uid, $tag, $network = '')
 125         {
 126                 $replaced = false;
 127
 128                 //is it a person tag?
 129                 if (Tag::isType($tag, Tag::MENTION, Tag::IMPLICIT_MENTION, Tag::EXCLUSIVE_MENTION)) {
 130                         $tag_type = substr($tag, 0, 1);
 131                         //is it already replaced?
 132                         if (strpos($tag, '[url=')) {
 133                                 return $replaced;
 134                         }
 135
 136                         //get the person's name
 137                         $name = substr($tag, 1);
 138
 139                         // Sometimes the tag detection doesn't seem to work right
 140                         // This is some workaround
 141                         $nameparts = explode(' ', $name);
 142                         $name = $nameparts[0];
 143
 144                         // Try to detect the contact in various ways
 145                         if (strpos($name, 'http://') || strpos($name, '@')) {
 146                                 $contact = Contact::getByURLForUser($name, $profile_uid);
 147                         } else {
 148                                 $contact = false;
 149                                 $fields = ['id', 'url', 'nick', 'name', 'alias', 'network', 'forum', 'prv'];
 150
 151                                 if (strrpos($name, '+')) {
 152                                         // Is it in format @nick+number?
 153                                         $tagcid = intval(substr($name, strrpos($name, '+') + 1));
 154                                         $contact = DBA::selectFirst('contact', $fields, ['id' => $tagcid, 'uid' => $profile_uid]);
 155                                 }
 156
 157                                 // select someone by nick in the current network
 158                                 if (!DBA::isResult($contact) && ($network != '')) {
 159                                         $condition = ["`nick` = ? AND `network` = ? AND `uid` = ?",
 160                                                 $name, $network, $profile_uid];
 161                                         $contact = DBA::selectFirst('contact', $fields, $condition);
 162                                 }
 163
 164                                 // select someone by attag in the current network
 165                                 if (!DBA::isResult($contact) && ($network != '')) {
 166                                         $condition = ["`attag` = ? AND `network` = ? AND `uid` = ?",
 167                                                 $name, $network, $profile_uid];
 168                                         $contact = DBA::selectFirst('contact', $fields, $condition);
 169                                 }
 170
 171                                 //select someone by name in the current network
 172                                 if (!DBA::isResult($contact) && ($network != '')) {
 173                                         $condition = ['name' => $name, 'network' => $network, 'uid' => $profile_uid];
 174                                         $contact = DBA::selectFirst('contact', $fields, $condition);
 175                                 }
 176
 177                                 // select someone by nick in any network
 178                                 if (!DBA::isResult($contact)) {
 179                                         $condition = ["`nick` = ? AND `uid` = ?", $name, $profile_uid];
 180                                         $contact = DBA::selectFirst('contact', $fields, $condition);
 181                                 }
 182
 183                                 // select someone by attag in any network
 184                                 if (!DBA::isResult($contact)) {
 185                                         $condition = ["`attag` = ? AND `uid` = ?", $name, $profile_uid];
 186                                         $contact = DBA::selectFirst('contact', $fields, $condition);
 187                                 }
 188
 189                                 // select someone by name in any network
 190                                 if (!DBA::isResult($contact)) {
 191                                         $condition = ['name' => $name, 'uid' => $profile_uid];
 192                                         $contact = DBA::selectFirst('contact', $fields, $condition);
 193                                 }
 194                         }
 195
 196                         // Check if $contact has been successfully loaded
 197                         if (DBA::isResult($contact)) {
 198                                 if (strlen($inform) && (isset($contact['notify']) || isset($contact['id']))) {
 199                                         $inform .= ',';
 200                                 }
 201
 202                                 if (isset($contact['id'])) {
 203                                         $inform .= 'cid:' . $contact['id'];
 204                                 } elseif (isset($contact['notify'])) {
 205                                         $inform  .= $contact['notify'];
 206                                 }
 207
 208                                 $profile = $contact['url'];
 209                                 $newname = ($contact['name'] ?? '') ?: $contact['nick'];
 210                         }
 211
 212                         //if there is an url for this persons profile
 213                         if (isset($profile) && ($newname != '')) {
 214                                 $replaced = true;
 215                                 // create profile link
 216                                 $profile = str_replace(',', '%2c', $profile);
 217                                 $newtag = $tag_type.'[url=' . $profile . ']' . $newname . '[/url]';
 218                                 $body = str_replace($tag_type . $name, $newtag, $body);
 219                         }
 220                 }
 221
 222                 return ['replaced' => $replaced, 'contact' => $contact];
 223         }
 224 }