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
|
<?php
/**
* Data class for counting greetings
*
* PHP version 5
*
* @category Data
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
* @link http://status.net/
*
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2009, StatusNet, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
if (!defined('STATUSNET')) {
exit(1);
}
require_once INSTALLDIR . '/classes/Memcached_DataObject.php';
/**
* Data class for counting greetings
*
* We use the DB_DataObject framework for data classes in StatusNet. Each
* table maps to a particular data class, making it easier to manipulate
* data.
*
* Data classes should extend Memcached_DataObject, the (slightly misnamed)
* extension of DB_DataObject that provides caching, internationalization,
* and other bits of good functionality to StatusNet-specific data classes.
*
* @category Action
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
* @link http://status.net/
*
* @see DB_DataObject
*/
class User_greeting_count extends Memcached_DataObject
{
public $__table = 'user_greeting_count'; // table name
public $user_id; // int(4) primary_key not_null
public $greeting_count; // int(4)
/**
* Get an instance by key
*
* This is a utility method to get a single instance with a given key value.
*
* @param string $k Key to use to lookup (usually 'user_id' for this class)
* @param mixed $v Value to lookup
*
* @return User_greeting_count object found, or null for no hits
*
*/
function staticGet($k, $v=null)
{
return Memcached_DataObject::staticGet('User_greeting_count', $k, $v);
}
/**
* return table definition for DB_DataObject
*
* DB_DataObject needs to know something about the table to manipulate
* instances. This method provides all the DB_DataObject needs to know.
*
* @return array array of column definitions
*/
function table()
{
return array('user_id' => DB_DATAOBJECT_INT + DB_DATAOBJECT_NOTNULL,
'greeting_count' => DB_DATAOBJECT_INT);
}
/**
* return key definitions for DB_DataObject
*
* DB_DataObject needs to know about keys that the table has; this function
* defines them.
*
* @return array key definitions
*/
function keys()
{
return array('user_id' => 'K');
}
/**
* Magic formula for non-autoincrementing integer primary keys
*
* If a table has a single integer column as its primary key, DB_DataObject
* assumes that the column is auto-incrementing and makes a sequence table
* to do this incrementation. Since we don't need this for our class, we
* overload this method and return the magic formula that DB_DataObject needs.
*
* @return array magic three-false array that stops auto-incrementing.
*/
function sequenceKey()
{
return array(false, false, false);
}
/**
* Increment a user's greeting count and return instance
*
* This method handles the ins and outs of creating a new greeting_count for a
* user or fetching the existing greeting count and incrementing its value.
*
* @param integer $user_id ID of the user to get a count for
*
* @return User_greeting_count instance for this user, with count already incremented.
*/
static function inc($user_id)
{
$gc = User_greeting_count::staticGet('user_id', $user_id);
if (empty($gc)) {
$gc = new User_greeting_count();
$gc->user_id = $user_id;
$gc->greeting_count = 1;
$result = $gc->insert();
if (!$result) {
throw Exception(sprintf(_m("Could not save new greeting count for %d"),
$user_id));
}
} else {
$orig = clone($gc);
$gc->greeting_count++;
$result = $gc->update($orig);
if (!$result) {
throw Exception(sprintf(_m("Could not increment greeting count for %d"),
$user_id));
}
}
return $gc;
}
}
|
