aboutsummaryrefslogtreecommitdiffstats
path: root/include/socgraph.php
blob: 04e9a9a64b1cd41b625e7d2922b6877c013bce05 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
<?php

require_once('include/datetime.php');


/*
 * poco_load
 *
 * Given a contact-id (minimum), load the PortableContacts friend list for that contact,
 * and add the entries to the gcontact (Global Contact) table, or update existing entries
 * if anything (name or photo) has changed.
 * We use normalised urls for comparison which ignore http vs https and www.domain vs domain
 *
 * Once the global contact is stored add (if necessary) the contact linkage which associates
 * the given uid, cid to the global contact entry. There can be many uid/cid combinations
 * pointing to the same global contact id. 
 *
 */
 



function poco_load($cid,$uid = 0,$url = null) {
	$a = get_app();
	if((! $url) || (! $uid)) {
		$r = q("select `poco`, `uid` from `contact` where `id` = %d limit 1",
			intval($cid)
		);
		if(count($r)) {
			$url = $r[0]['poco'];
			$uid = $r[0]['uid'];
		}
	}
	if((! $url) || (! $uid))
		return;
	$s = fetch_url($url . '/@me/@all?fields=displayName,urls,photos');

	if(($a->get_curl_code() > 299) || (! $s))
		return;
	$j = json_decode($s);
	foreach($j->entry as $entry) {

		$profile_url = '';
		$profile_photo = '';
		$name = '';

		$name = $entry->displayName;

		foreach($entry->urls as $url) {
			if($url->type == 'profile') {
				$profile_url = $url->value;
				break;
			}
		} 
		foreach($entry->photos as $photo) {
			if($photo->type == 'profile') {
				$profile_photo = $photo->value;
				break;
			}
		}

		if((! $name) || (! $profile_url) || (! $profile_photo))
			continue; 
		 
		$x = q("select * from `gcontact` where `nurl` = '%s' limit 1",
			dbesc(normalise_link($profile_url))
		);
		if(count($x)) {
			$gcid = $x[0]['id'];

			if($x[0]['name'] != $name || $x[0]['photo'] != $profile_photo) {
				q("update gcontact set `name` = '%s', `photo` = '%s' where
					`nurl` = '%s' limit 1",
					dbesc($name),
					dbesc($profile_photo),
					dbesc(normalise_link($profile_url))
				);
			}
		}
		else {
			q("insert into `gcontact` (`name`,`url`,`nurl`,`photo`)
				values ( '%s', '%s', '%s', '%s') ",
				dbesc($name),
				dbesc($profile_url),
				dbesc(normalise_link($profile_url)),
				dbesc($profile_photo)
			);
			$x = q("select * from `gcontact` where `nurl` = '%s' limit 1",
				dbesc(normalise_link($profile_url))
			);
			if(count($x))
				$gcid = $x[0]['id'];
		}
		if(! $gcid)
			return;

		$r = q("select * from glink where `cid` = %d and `uid` = %d and `gcid` = %d limit 1",
			intval($cid),
			intval($uid),
			intval($gcid)
		);
		if(! count($r)) {
			q("insert into glink ( `cid`,`uid`,`gcid`,`updated`) values (%d,%d,%d,'%s') ",
				intval($cid),
				intval($uid),
				intval($gcid),
				dbesc(datetime_convert())
			);
		}
		else {
			q("update glink set updated = '%s' where `cid` = %d and `uid` = %d and `gcid` = %d limit 1",
				dbesc(datetime_convert()),
				intval($cid),
				intval($uid),
				intval($gcid)
			);
		}

	}

	q("delete from glink where `cid` = %d and `uid` = %d and `updated` < UTC_TIMESTAMP - INTERVAL 2 DAY",
		intval($cid),
		intval($uid)
	);

}


function count_common_friends($uid,$cid) {

	$r = q("SELECT count(*) as `total`
		FROM `glink` left join `gcontact` on `glink`.`gcid` = `gcontact`.`id`
		where `glink`.`cid` = %d and `glink`.`uid` = %d
		and `gcontact`.`nurl` in (select nurl from contact where uid = %d and self = 0 and id != %d ) ",
		intval($cid),
		intval($uid),
		intval($uid),
		intval($cid)
	);

	if(count($r))
		return $r[0]['total'];
	return 0;

}


function common_friends($uid,$cid) {

	$r = q("SELECT `gcontact`.* 
		FROM `glink` left join `gcontact` on `glink`.`gcid` = `gcontact`.`id`
		where `glink`.`cid` = %d and `glink`.`uid` = %d
		and `gcontact`.`nurl` in (select nurl from contact where uid = %d and self = 0 and id != %d ) ",
		intval($cid),
		intval($uid),
		intval($uid),
		intval($cid)
	);

	return $r;

}



function suggestion_query($uid, $start = 0, $limit = 40) {

	$r = q("SELECT count(glink.gcid) as `total`, gcontact.* from gcontact 
		left join glink on glink.gcid = gcontact.id 
		where uid = %d and not gcontact.nurl in ( select nurl from contact where uid = %d)
		group by glink.gcid order by total desc limit %d, %d ",
		intval($uid),
		intval($uid),
		intval($start),
		intval($limit)
	);

	return $r;

}