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PhabricatorFerretFulltextStorageEngine.php
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PhabricatorFerretFulltextStorageEngine.php
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<?php
final
class
PhabricatorFerretFulltextStorageEngine
extends
PhabricatorFulltextStorageEngine
{
private
$fulltextTokens
=
array
(
)
;
private
$engineLimits
;
public
function
getEngineIdentifier
(
)
{
return
'mysql'
;
}
public
function
getHostType
(
)
{
return
new
PhabricatorMySQLSearchHost
(
$this
)
;
}
public
function
reindexAbstractDocument
(
PhabricatorSearchAbstractDocument
$doc
)
{
// NOTE: The Ferret engine indexes are rebuilt by an extension rather than
// by the main fulltext engine, and are always built regardless of
// configuration.
return
;
}
public
function
executeSearch
(
PhabricatorSavedQuery
$query
)
{
$all_objects
=
id
(
new
PhutilClassMapQuery
(
)
)
->
setAncestorClass
(
'PhabricatorFerretInterface'
)
->
execute
(
)
;
$type_map
=
array
(
)
;
foreach
(
$all_objects
as
$object
)
{
$phid_type
=
phid_get_type
(
$object
->
generatePHID
(
)
)
;
$type_map
[
$phid_type
]
=
array
(
'object'
=>
$object
,
'engine'
=>
$object
->
newFerretEngine
(
)
,
)
;
}
$types
=
$query
->
getParameter
(
'types'
)
;
if
(
$types
)
{
$type_map
=
array_select_keys
(
$type_map
,
$types
)
;
}
$offset
=
(int)
$query
->
getParameter
(
'offset'
,
0
)
;
$limit
=
(int)
$query
->
getParameter
(
'limit'
,
25
)
;
// NOTE: For now, it's okay to query with the omnipotent viewer here
// because we're just returning PHIDs which we'll filter later.
$viewer
=
PhabricatorUser
::
getOmnipotentUser
(
)
;
$type_results
=
array
(
)
;
$metadata
=
array
(
)
;
foreach
(
$type_map
as
$type
=>
$spec
)
{
$engine
=
$spec
[
'engine'
]
;
$object
=
$spec
[
'object'
]
;
$local_query
=
new
PhabricatorSavedQuery
(
)
;
$local_query
->
setParameter
(
'query'
,
$query
->
getParameter
(
'query'
)
)
;
$project_phids
=
$query
->
getParameter
(
'projectPHIDs'
)
;
if
(
$project_phids
)
{
$local_query
->
setParameter
(
'projectPHIDs'
,
$project_phids
)
;
}
$subscriber_phids
=
$query
->
getParameter
(
'subscriberPHIDs'
)
;
if
(
$subscriber_phids
)
{
$local_query
->
setParameter
(
'subscriberPHIDs'
,
$subscriber_phids
)
;
}
$search_engine
=
$engine
->
newSearchEngine
(
)
->
setViewer
(
$viewer
)
;
$engine_query
=
$search_engine
->
buildQueryFromSavedQuery
(
$local_query
)
->
setViewer
(
$viewer
)
;
$engine_query
->
withFerretQuery
(
$engine
,
$query
)
->
setOrder
(
'relevance'
)
->
setLimit
(
$offset
+
$limit
)
;
$results
=
$engine_query
->
execute
(
)
;
$results
=
mpull
(
$results
,
null
,
'getPHID'
)
;
$type_results
[
$type
]
=
$results
;
$metadata
+=
$engine_query
->
getFerretMetadata
(
)
;
if
(
!
$this
->
fulltextTokens
)
{
$this
->
fulltextTokens
=
$engine_query
->
getFerretTokens
(
)
;
}
}
$list
=
array
(
)
;
foreach
(
$type_results
as
$type
=>
$results
)
{
$list
+=
$results
;
}
// Currently, the list is grouped by object type. For example, all the
// tasks might be first, then all the revisions, and so on. In each group,
// the results are ordered properly.
// Reorder the results so that the highest-ranking results come first,
// no matter which object types they belong to.
$metadata
=
msortv
(
$metadata
,
'getRelevanceSortVector'
)
;
$list
=
array_select_keys
(
$list
,
array_keys
(
$metadata
)
)
+
$list
;
$result_slice
=
array_slice
(
$list
,
$offset
,
$limit
,
true
)
;
return
array_keys
(
$result_slice
)
;
}
public
function
indexExists
(
)
{
return
true
;
}
public
function
getIndexStats
(
)
{
return
false
;
}
public
function
getFulltextTokens
(
)
{
return
$this
->
fulltextTokens
;
}
}
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