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Itemization.php
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Created
Mon, Aug 26, 22:21
Size
2 KB
Mime Type
text/x-php
Expires
Wed, Aug 28, 22:21 (2 d)
Engine
blob
Format
Raw Data
Handle
20200990
Attached To
rPH Phabricator
Itemization.php
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<?php
namespace
RESTful
;
class
Itemization
implements
\IteratorAggregate
,
\ArrayAccess
{
public
$resource
,
$uri
;
protected
$_page
,
$_offset
=
0
,
$_size
=
25
;
public
function
__construct
(
$resource
,
$uri
,
$data
=
null
)
{
$this
->
resource
=
$resource
;
$this
->
uri
=
$uri
;
if
(
$data
!=
null
)
{
$this
->
_page
=
new
Page
(
$resource
,
$uri
,
$data
);
}
else
{
$this
->
_page
=
null
;
}
}
protected
function
_getPage
(
$offset
=
null
)
{
if
(
$this
->
_page
==
null
)
{
$this
->
_offset
=
(
$offset
==
null
)
?
0
:
$offset
*
$this
->
_size
;
$uri
=
$this
->
_buildUri
();
$this
->
_page
=
new
Page
(
$this
->
resource
,
$uri
);
}
elseif
(
$offset
!=
null
)
{
$offset
=
$offset
*
$this
->
_size
;
if
(
$offset
!=
$this
->
_offset
)
{
$this
->
_offset
=
$offset
;
$uri
=
$this
->
_buildUri
();
$this
->
_page
=
new
Page
(
$this
->
resource
,
$uri
);
}
}
return
$this
->
_page
;
}
protected
function
_getItem
(
$offset
)
{
$page_offset
=
floor
(
$offset
/
$this
->
_size
);
$page
=
$this
->
_getPage
(
$page_offset
);
return
$page
->
items
[
$offset
-
$page
->
offset
];
}
public
function
total
()
{
return
$this
->
_getPage
()->
total
;
}
protected
function
_buildUri
(
$offset
=
null
)
{
# TODO: hacky but works for now
$offset
=
(
$offset
==
null
)
?
$this
->
_offset
:
$offset
;
if
(
strpos
(
$this
->
uri
,
'?'
)
===
false
)
{
$uri
=
$this
->
uri
.
'?'
;
}
else
{
$uri
=
$this
->
uri
.
'&'
;
}
$uri
=
$uri
.
'offset='
.
strval
(
$offset
);
return
$uri
;
}
// IteratorAggregate
public
function
getIterator
()
{
$uri
=
$this
->
_buildUri
(
$offset
=
0
);
$uri
=
$this
->
_buildUri
(
$offset
=
0
);
return
new
ItemizationIterator
(
$this
->
resource
,
$uri
);
}
// ArrayAccess
public
function
offsetSet
(
$offset
,
$value
)
{
throw
new
\BadMethodCallException
(
get_class
(
$this
)
.
' array access is read-only'
);
}
public
function
offsetExists
(
$offset
)
{
return
(
0
<=
$offset
&&
$offset
<
$this
->
total
());
}
public
function
offsetUnset
(
$offset
)
{
throw
new
\BadMethodCallException
(
get_class
(
$this
)
.
' array access is read-only'
);
}
public
function
offsetGet
(
$offset
)
{
return
$this
->
_getItem
(
$offset
);
}
}
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