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Query.php
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Created
Mon, Nov 4, 14:04
Size
4 KB
Mime Type
text/x-php
Expires
Wed, Nov 6, 14:04 (2 d)
Engine
blob
Format
Raw Data
Handle
22131645
Attached To
rPH Phabricator
Query.php
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<?php
namespace
RESTful
;
use
RESTful\Exceptions\NoResultFound
;
use
RESTful\Exceptions\MultipleResultsFound
;
class
Query
extends
Itemization
{
public
$filters
=
array
(),
$sorts
=
array
(),
$size
;
public
function
__construct
(
$resource
,
$uri
)
{
parent
::
__construct
(
$resource
,
$uri
);
$this
->
size
=
$this
->
_size
;
$this
->
_parseUri
(
$uri
);
}
private
function
_parseUri
(
$uri
)
{
$parsed
=
parse_url
(
$uri
);
$this
->
uri
=
$parsed
[
'path'
];
if
(
array_key_exists
(
'query'
,
$parsed
))
{
foreach
(
explode
(
'&'
,
$parsed
[
'query'
])
as
$param
)
{
$param
=
explode
(
'='
,
$param
);
$key
=
urldecode
(
$param
[
0
]);
$val
=
(
count
(
$param
)
==
1
)
?
null
:
urldecode
(
$param
[
1
]);
// limit
if
(
$key
==
'limit'
)
{
$this
->
size
=
$this
->
_size
=
$val
;
}
// sorts
else
if
(
$key
==
'sort'
)
{
array_push
(
$this
->
sorts
,
$val
);
}
// everything else
else
{
if
(!
array_key_exists
(
$key
,
$this
->
filters
))
{
$this
->
filters
[
$key
]
=
array
();
}
if
(!
is_array
(
$val
))
{
$val
=
array
(
$val
);
}
$this
->
filters
[
$key
]
=
array_merge
(
$this
->
filters
[
$key
],
$val
);
}
}
}
}
protected
function
_buildUri
(
$offset
=
null
)
{
// params
$params
=
array_merge
(
$this
->
filters
,
array
(
'sort'
=>
$this
->
sorts
,
'limit'
=>
$this
->
_size
,
'offset'
=>
(
$offset
==
null
)
?
$this
->
_offset
:
$offset
)
);
$getSingle
=
function
(
$v
)
{
if
(
is_array
(
$v
)
&&
count
(
$v
)
==
1
)
return
$v
[
0
];
return
$v
;
};
$params
=
array_map
(
$getSingle
,
$params
);
// url encode params
// NOTE: http://stackoverflow.com/a/8171667/1339571
$qs
=
http_build_query
(
$params
);
$qs
=
preg_replace
(
'/%5B(?:[0-9]|[1-9][0-9]+)%5D=/'
,
'='
,
$qs
);
return
$this
->
uri
.
'?'
.
$qs
;
}
private
function
_reset
()
{
$this
->
_page
=
null
;
}
public
function
filter
(
$expression
)
{
if
(
$expression
->
op
==
'='
)
{
$field
=
$expression
->
field
;
}
else
{
$field
=
$expression
->
field
.
'['
.
$expression
->
op
.
']'
;
}
if
(
is_array
(
$expression
->
val
))
{
$val
=
implode
(
','
,
$expression
->
val
);
}
else
{
$val
=
$expression
->
val
;
}
if
(!
array_key_exists
(
$field
,
$this
->
filters
))
{
$this
->
filters
[
$field
]
=
array
();
}
array_push
(
$this
->
filters
[
$field
],
$val
);
$this
->
_reset
();
return
$this
;
}
public
function
sort
(
$expression
)
{
$dir
=
$expression
->
ascending
?
'asc'
:
'desc'
;
array_push
(
$this
->
sorts
,
$expression
->
field
.
','
.
$dir
);
$this
->
_reset
();
return
$this
;
}
public
function
limit
(
$limit
)
{
$this
->
size
=
$this
->
_size
=
$limit
;
$this
->
_reset
();
return
$this
;
}
public
function
all
()
{
$items
=
array
();
foreach
(
$this
as
$item
)
{
array_push
(
$items
,
$item
);
}
return
$items
;
}
public
function
first
()
{
$prev_size
=
$this
->
_size
;
$this
->
_size
=
1
;
$page
=
new
Page
(
$this
->
resource
,
$this
->
_buildUri
());
$this
->
_size
=
$prev_size
;
$item
=
count
(
$page
->
items
)
!=
0
?
$page
->
items
[
0
]
:
null
;
return
$item
;
}
public
function
one
()
{
$prev_size
=
$this
->
_size
;
$this
->
_size
=
2
;
$page
=
new
Page
(
$this
->
resource
,
$this
->
_buildUri
());
$this
->
_size
=
$prev_size
;
if
(
count
(
$page
->
items
)
==
1
)
{
return
$page
->
items
[
0
];
}
if
(
count
(
$page
->
items
)
==
0
)
{
throw
new
NoResultFound
();
}
throw
new
MultipleResultsFound
();
}
public
function
paginate
()
{
return
new
Pagination
(
$this
->
resource
,
$this
->
_buildUri
());
}
}
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