|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* @package midcom.dba |
|
4
|
|
|
* @author CONTENT CONTROL http://www.contentcontrol-berlin.de/ |
|
5
|
|
|
* @copyright CONTENT CONTROL http://www.contentcontrol-berlin.de/ |
|
6
|
|
|
* @license http://www.gnu.org/licenses/gpl.html GNU General Public License |
|
7
|
|
|
*/ |
|
8
|
|
|
|
|
9
|
|
|
namespace midcom\dba; |
|
10
|
|
|
|
|
11
|
|
|
use midcom_connection; |
|
12
|
|
|
use midcom_db_attachment; |
|
13
|
|
|
use midcom; |
|
14
|
|
|
|
|
15
|
|
|
/** |
|
16
|
|
|
* midcom attachment support |
|
17
|
|
|
* |
|
18
|
|
|
* @package midcom.dba |
|
19
|
|
|
*/ |
|
20
|
|
|
trait attachments |
|
21
|
|
|
{ |
|
22
|
|
|
/** |
|
23
|
|
|
* Retrieves an attachment by its name. |
|
24
|
|
|
* If multiple attachments match the name (should not happen in reality), the |
|
25
|
|
|
* first match will be returned. |
|
26
|
|
|
*/ |
|
27
|
2 |
|
public function get_attachment(string $name) : ?midcom_db_attachment |
|
28
|
|
|
{ |
|
29
|
2 |
|
if (!$this->id) { |
|
30
|
|
|
debug_add('Cannot retrieve attachments on a non-persistent object.', MIDCOM_LOG_WARN); |
|
31
|
|
|
return null; |
|
32
|
|
|
} |
|
33
|
|
|
|
|
34
|
|
|
// Locate attachment |
|
35
|
2 |
|
$qb = $this->get_attachment_qb(); |
|
36
|
2 |
|
$qb->add_constraint('name', '=', $name); |
|
37
|
2 |
|
return $qb->execute()[0] ?? null; |
|
38
|
|
|
} |
|
39
|
|
|
|
|
40
|
|
|
/** |
|
41
|
|
|
* Delete an attachment by its name. |
|
42
|
|
|
* If multiple attachments match the name (should not happen in reality), the |
|
43
|
|
|
* first match will be deleted. |
|
44
|
|
|
*/ |
|
45
|
2 |
|
public function delete_attachment(string $name) : bool |
|
46
|
|
|
{ |
|
47
|
2 |
|
$attachment = $this->get_attachment($name); |
|
48
|
|
|
|
|
49
|
2 |
|
if (!$attachment) { |
|
50
|
2 |
|
debug_add("Tried to delete the attachment {$name} at the object " . static::class . " {$this->guid}, but it did not exist. Failing silently."); |
|
51
|
2 |
|
return false; |
|
52
|
|
|
} |
|
53
|
|
|
|
|
54
|
|
|
if ( !$this->can_do('midgard:update') |
|
|
|
|
|
|
55
|
|
|
|| !$this->can_do('midgard:attachments')) { |
|
56
|
|
|
debug_add("Failed to set parameters, midgard:update or midgard:attachments on " . static::class . " {$this->guid} not granted for the current user.", |
|
57
|
|
|
MIDCOM_LOG_ERROR); |
|
58
|
|
|
return false; |
|
59
|
|
|
} |
|
60
|
|
|
|
|
61
|
|
|
return $attachment->delete(); |
|
62
|
|
|
} |
|
63
|
|
|
|
|
64
|
|
|
/** |
|
65
|
|
|
* Creates a new attachment at the current object and returns it for usage. |
|
66
|
|
|
*/ |
|
67
|
4 |
|
public function create_attachment(string $name, string $title, ?string $mimetype) : ?midcom_db_attachment |
|
68
|
|
|
{ |
|
69
|
4 |
|
if (!$this->id) { |
|
70
|
|
|
debug_add('Cannot create attachments on a non-persistent object.', MIDCOM_LOG_WARN); |
|
71
|
|
|
return null; |
|
72
|
|
|
} |
|
73
|
|
|
|
|
74
|
4 |
|
if ( !$this->can_do('midgard:update') |
|
75
|
4 |
|
|| !$this->can_do('midgard:attachments')) { |
|
76
|
|
|
debug_add("Failed to set parameters, midgard:update or midgard:attachments on the " . static::class . " {$this->guid} not granted for the current user.", |
|
77
|
|
|
MIDCOM_LOG_ERROR); |
|
78
|
|
|
return null; |
|
79
|
|
|
} |
|
80
|
|
|
|
|
81
|
4 |
|
$attachment = new midcom_db_attachment(); |
|
82
|
4 |
|
$attachment->name = $name; |
|
83
|
4 |
|
$attachment->title = $title; |
|
84
|
4 |
|
$attachment->mimetype = $mimetype; |
|
85
|
4 |
|
$attachment->parentguid = $this->guid; |
|
86
|
|
|
|
|
87
|
4 |
|
if (!$attachment->create()) { |
|
88
|
|
|
debug_add("Could not create the attachment '{$name}' for " . static::class . " {$this->guid}: " . midcom_connection::get_error_string(), |
|
89
|
|
|
MIDCOM_LOG_INFO); |
|
90
|
|
|
return null; |
|
91
|
|
|
} |
|
92
|
|
|
|
|
93
|
4 |
|
return $attachment; |
|
94
|
|
|
} |
|
95
|
|
|
|
|
96
|
|
|
/** |
|
97
|
|
|
* Returns a prepared query builder that is already limited to the attachments of the given |
|
98
|
|
|
* object. |
|
99
|
|
|
*/ |
|
100
|
198 |
|
public function get_attachment_qb() : ?\midcom_core_querybuilder |
|
101
|
|
|
{ |
|
102
|
198 |
|
if (!$this->id) { |
|
103
|
|
|
debug_add('Cannot retrieve attachments on a non-persistent object.', MIDCOM_LOG_WARN); |
|
104
|
|
|
return null; |
|
105
|
|
|
} |
|
106
|
|
|
|
|
107
|
198 |
|
$qb = midcom::get()->dbfactory->new_query_builder('midcom_db_attachment'); |
|
108
|
198 |
|
$qb->add_constraint('parentguid', '=', $this->guid); |
|
109
|
|
|
|
|
110
|
198 |
|
return $qb; |
|
111
|
|
|
} |
|
112
|
|
|
|
|
113
|
|
|
/** |
|
114
|
|
|
* Returns a complete list of attachments for the current object. If there are no |
|
115
|
|
|
* attachments, an empty array is returned. |
|
116
|
|
|
* |
|
117
|
|
|
* @return midcom_db_attachment[] A list of attachments |
|
118
|
|
|
*/ |
|
119
|
198 |
|
public function list_attachments() : array |
|
120
|
|
|
{ |
|
121
|
198 |
|
if (!$this->id) { |
|
122
|
|
|
debug_add('Cannot retrieve attachments on a non-persistent object.', MIDCOM_LOG_INFO); |
|
123
|
|
|
return []; |
|
124
|
|
|
} |
|
125
|
|
|
|
|
126
|
198 |
|
return $this->get_attachment_qb()->execute(); |
|
127
|
|
|
} |
|
128
|
|
|
} |
|
129
|
|
|
|
flack /
openpsa
Loading history...