include/socgraph.php

   1 <?php
   2
   3 require_once('include/datetime.php');
   4
   5
   6 /*
   7  * poco_load
   8  *
   9  * Given a contact-id (minimum), load the PortableContacts friend list for that contact,
  10  * and add the entries to the gcontact (Global Contact) table, or update existing entries
  11  * if anything (name or photo) has changed.
  12  * We use normalised urls for comparison which ignore http vs https and www.domain vs domain
  13  *
  14  * Once the global contact is stored add (if necessary) the contact linkage which associates
  15  * the given uid, cid to the global contact entry. There can be many uid/cid combinations
  16  * pointing to the same global contact id.
  17  *
  18  */
  19
  20
  21
  22
  23 function poco_load($cid,$uid = 0,$url = null) {
  24         $a = get_app();
  25         if((! $url) || (! $uid)) {
  26                 $r = q("select `poco`, `uid` from `contact` where `id` = %d limit 1",
  27                         intval($cid)
  28                 );
  29                 if(count($r)) {
  30                         $url = $r[0]['poco'];
  31                         $uid = $r[0]['uid'];
  32                 }
  33         }
  34         if((! $url) || (! $uid))
  35                 return;
  36         $s = fetch_url($url . '/@me/@all?fields=displayName,urls,photos');
  37
  38         if(($a->get_curl_code() > 299) || (! $s))
  39                 return;
  40         $j = json_decode($s);
  41         foreach($j->entry as $entry) {
  42
  43                 $profile_url = '';
  44                 $profile_photo = '';
  45                 $name = '';
  46
  47                 $name = $entry->displayName;
  48
  49                 foreach($entry->urls as $url) {
  50                         if($url->type == 'profile') {
  51                                 $profile_url = $url->value;
  52                                 break;
  53                         }
  54                 }
  55                 foreach($entry->photos as $photo) {
  56                         if($photo->type == 'profile') {
  57                                 $profile_photo = $photo->value;
  58                                 break;
  59                         }
  60                 }
  61
  62                 if((! $name) || (! $profile_url) || (! $profile_photo))
  63                         continue;
  64
  65                 $x = q("select * from `gcontact` where `nurl` = '%s' limit 1",
  66                         dbesc(normalise_link($profile_url))
  67                 );
  68                 if(count($x)) {
  69                         $gcid = $x[0]['id'];
  70
  71                         if($x[0]['name'] != $name || $x[0]['photo'] != $profile_photo) {
  72                                 q("update gcontact set `name` = '%s', `photo` = '%s' where
  73                                         `nurl` = '%s' limit 1",
  74                                         dbesc($name),
  75                                         dbesc($profile_photo),
  76                                         dbesc(normalise_link($profile_url))
  77                                 );
  78                         }
  79                 }
  80                 else {
  81                         q("insert into `gcontact` (`name`,`url`,`nurl`,`photo`)
  82                                 values ( '%s', '%s', '%s', '%s') ",
  83                                 dbesc($name),
  84                                 dbesc($profile_url),
  85                                 dbesc(normalise_link($profile_url)),
  86                                 dbesc($profile_photo)
  87                         );
  88                         $x = q("select * from `gcontact` where `nurl` = '%s' limit 1",
  89                                 dbesc(normalise_link($profile_url))
  90                         );
  91                         if(count($x))
  92                                 $gcid = $x[0]['id'];
  93                 }
  94                 if(! $gcid)
  95                         return;
  96
  97                 $r = q("select * from glink where `cid` = %d and `uid` = %d and `gcid` = %d limit 1",
  98                         intval($cid),
  99                         intval($uid),
 100                         intval($gcid)
 101                 );
 102                 if(! count($r)) {
 103                         q("insert into glink ( `cid`,`uid`,`gcid`,`updated`) values (%d,%d,%d,'%s') ",
 104                                 intval($cid),
 105                                 intval($uid),
 106                                 intval($gcid),
 107                                 dbesc(datetime_convert())
 108                         );
 109                 }
 110                 else {
 111                         q("update glink set updated = '%s' where `cid` = %d and `uid` = %d and `gcid` = %d limit 1",
 112                                 dbesc(datetime_convert()),
 113                                 intval($cid),
 114                                 intval($uid),
 115                                 intval($gcid)
 116                         );
 117                 }
 118
 119         }
 120
 121         q("delete from glink where `cid` = %d and `uid` = %d and `updated` < UTC_TIMESTAMP - INTERVAL 2 DAY",
 122                 intval($cid),
 123                 intval($uid)
 124         );
 125
 126 }
 127
 128
 129 function count_common_friends($uid,$cid) {
 130
 131         $r = q("SELECT count(*) as `total`
 132                 FROM `glink` left join `gcontact` on `glink`.`gcid` = `gcontact`.`id`
 133                 where `glink`.`cid` = %d and `glink`.`uid` = %d
 134                 and `gcontact`.`nurl` in (select nurl from contact where uid = %d and self = 0 and id != %d ) ",
 135                 intval($cid),
 136                 intval($uid),
 137                 intval($uid),
 138                 intval($cid)
 139         );
 140
 141         if(count($r))
 142                 return $r[0]['total'];
 143         return 0;
 144
 145 }
 146
 147
 148 function common_friends($uid,$cid) {
 149
 150         $r = q("SELECT `gcontact`.*
 151                 FROM `glink` left join `gcontact` on `glink`.`gcid` = `gcontact`.`id`
 152                 where `glink`.`cid` = %d and `glink`.`uid` = %d
 153                 and `gcontact`.`nurl` in (select nurl from contact where uid = %d and self = 0 and id != %d ) ",
 154                 intval($cid),
 155                 intval($uid),
 156                 intval($uid),
 157                 intval($cid)
 158         );
 159
 160         return $r;
 161
 162 }
 163
 164
 165
 166 function suggestion_query($uid, $start = 0, $limit = 40) {
 167
 168         if(! $uid)
 169                 return array();
 170
 171         $r = q("SELECT count(glink.gcid) as `total`, gcontact.* from gcontact
 172                 left join glink on glink.gcid = gcontact.id
 173                 where uid = %d and not gcontact.nurl in ( select nurl from contact where uid = %d)
 174                 and not gcontact.id in ( select gcid from gcign where uid = %d )
 175                 group by glink.gcid order by total desc limit %d, %d ",
 176                 intval($uid),
 177                 intval($uid),
 178                 intval($uid),
 179                 intval($start),
 180                 intval($limit)
 181         );
 182
 183         return $r;
 184
 185 }