MediaWiki  1.23.2
FileDuplicateSearchPage Class Reference

Searches the database for files of the requested hash, comparing this with the 'img_sha1' field in the image table. More...

Inheritance diagram for FileDuplicateSearchPage:
Collaboration diagram for FileDuplicateSearchPage:

Public Member Functions

 __construct ( $name='FileDuplicateSearch')
 
 doBatchLookups ( $list)
 
 execute ( $par)
 This is the actual workhorse. More...
 
 formatResult ( $skin, $result)
 
 getDupes ()
 Fetch dupes from all connected file repositories. More...
 
 getQueryInfo ()
 Subclasses return an SQL query here, formatted as an array with the following keys: tables => Table(s) for passing to Database::select() fields => Field(s) for passing to Database::select(), may be * conds => WHERE conditions options => options join_conds => JOIN conditions. More...
 
 isCacheable ()
 Is the output of this query cacheable? Non-cacheable expensive pages will be disabled in miser mode and will not have their results written to the querycache table. More...
 
 isCached ()
 Whether or not the output of the page in question is retrieved from the database cache. More...
 
 isSyndicated ()
 Sometime we don't want to build rss / atom feeds. More...
 
 linkParameters ()
 If using extra form wheely-dealies, return a set of parameters here as an associative array. More...
 
 showList ( $dupes)
 
- Public Member Functions inherited from QueryPage
 closeList ()
 
 doFeed ( $class='', $limit=50)
 Similar to above, but packaging in a syndicated feed instead of a web page. More...
 
 doQuery ( $offset=false, $limit=false)
 Somewhat deprecated, you probably want to be using execute() More...
 
 feedDesc ()
 
 feedItemAuthor ( $row)
 
 feedItemDesc ( $row)
 
 feedResult ( $row)
 Override for custom handling. More...
 
 feedTitle ()
 
 feedUrl ()
 
 fetchFromCache ( $limit, $offset=false)
 Fetch the query results from the query cache. More...
 
 getCachedTimestamp ()
 
 getOrderFields ()
 Subclasses return an array of fields to order by here. More...
 
 getPageHeader ()
 The content returned by this function will be output before any result. More...
 
 getRecacheDB ()
 Get a DB connection to be used for slow recache queries. More...
 
 getSQL ()
 For back-compat, subclasses may return a raw SQL query here, as a string. More...
 
 isExpensive ()
 Is this query expensive (for some definition of expensive)? Then we don't let it run in miser mode. More...
 
 openList ( $offset)
 
 preprocessResults ( $db, $res)
 Do any necessary preprocessing of the result object. More...
 
 reallyDoQuery ( $limit, $offset=false)
 Run the query and return the result. More...
 
 recache ( $limit, $ignoreErrors=true)
 Clear the cache and save new results. More...
 
 setListoutput ( $bool)
 A mutator for $this->listoutput;. More...
 
 sortDescending ()
 Override to sort by increasing values. More...
 
 tryLastResult ()
 Some special pages (for example SpecialListusers) might not return the current object formatted, but return the previous one instead. More...
 
 usesTimestamps ()
 Does this query return timestamps rather than integers in its 'value' field? If true, this class will convert 'value' to a UNIX timestamp for caching. More...
 
- Public Member Functions inherited from SpecialPage
 __construct ( $name='', $restriction='', $listed=true, $function=false, $file='default', $includable=false)
 Default constructor for special pages Derivative classes should call this from their constructor Note that if the user does not have the required level, an error message will be displayed by the default execute() method, without the global function ever being called. More...
 
 checkPermissions ()
 Checks if userCanExecute, and if not throws a PermissionsError. More...
 
 checkReadOnly ()
 If the wiki is currently in readonly mode, throws a ReadOnlyError. More...
 
 displayRestrictionError ()
 Output an error message telling the user what access level they have to have. More...
 
 getContext ()
 Gets the context this SpecialPage is executed in. More...
 
 getDescription ()
 Returns the name that goes in the <h1> in the special page itself, and also the name that will be listed in Special:Specialpages. More...
 
 getFile ()
 Get the file which will be included by SpecialPage::execute() if your extension is still stuck in the past and hasn't overridden the execute() method. More...
 
 getFinalGroupName ()
 Get the group that the special page belongs in on Special:SpecialPage Use this method, instead of getGroupName to allow customization of the group name from the wiki side. More...
 
 getFullTitle ()
 Return the full title, including $par. More...
 
 getLang ()
 Shortcut to get user's language. More...
 
 getLanguage ()
 Shortcut to get user's language. More...
 
 getLocalName ()
 Get the localised name of the special page. More...
 
 getName ()
 Get the name of this Special Page. More...
 
 getOutput ()
 Get the OutputPage being used for this instance. More...
 
 getPageTitle ( $subpage=false)
 Get a self-referential title object. More...
 
 getRequest ()
 Get the WebRequest being used for this instance. More...
 
 getRestriction ()
 Get the permission that a user must have to execute this page. More...
 
 getSkin ()
 Shortcut to get the skin being used for this instance. More...
 
 getTitle ( $subpage=false)
 Get a self-referential title object. More...
 
 getUser ()
 Shortcut to get the User executing this instance. More...
 
 including ( $x=null)
 Whether the special page is being evaluated via transclusion. More...
 
 isIncludable ()
 Whether it's allowed to transclude the special page via {{Special:Foo/params}}. More...
 
 isListed ()
 Whether this special page is listed in Special:SpecialPages. More...
 
 isRestricted ()
 Can be overridden by subclasses with more complicated permissions schemes. More...
 
 listed ( $x=null)
 Get or set whether this special page is listed in Special:SpecialPages. More...
 
 msg ()
 Wrapper around wfMessage that sets the current context. More...
 
 outputHeader ( $summaryMessageKey='')
 Outputs a summary message on top of special pages Per default the message key is the canonical name of the special page May be overridden, i.e. More...
 
 requireLogin ( $reasonMsg=null, $titleMsg=null)
 If the user is not logged in, throws UserNotLoggedIn error. More...
 
 run ( $subPage)
 Entry point. More...
 
 setContext ( $context)
 Sets the context this SpecialPage is executed in. More...
 
 setHeaders ()
 Sets headers - this should be called from the execute() method of all derived classes! More...
 
 setListed ( $listed)
 Set whether this page is listed in Special:Specialpages, at run-time. More...
 
 userCanExecute (User $user)
 Checks if the given user (identified by an object) can execute this special page (as defined by $mRestriction). More...
 

Public Attributes

 $filename = ''
 
- Public Attributes inherited from QueryPage
 $limit = 0
 
bool $listoutput = false
 Whether or not we want plain listoutput rather than an ordered list. More...
 
int $offset = 0
 The offset and limit in use, as passed to the query() function. More...
 

Protected Member Functions

 getGroupName ()
 Under which header this special page is listed in Special:SpecialPages See messages 'specialpages-group-*' for valid names This method defaults to group 'other'. More...
 
- Protected Member Functions inherited from QueryPage
 outputResults ( $out, $skin, $dbr, $res, $num, $offset)
 Format and output report results using the given information plus OutputPage. More...
 
- Protected Member Functions inherited from SpecialPage
 addFeedLinks ( $params)
 Adds RSS/atom links. More...
 
 afterExecute ( $subPage)
 Gets called after. More...
 
 beforeExecute ( $subPage)
 Gets called before. More...
 
 getRobotPolicy ()
 Return the robot policy. More...
 

Protected Attributes

File $file = null
 $file selected reference file, if present More...
 
 $hash = ''
 
- Protected Attributes inherited from QueryPage
 $cachedTimestamp = null
 
 $numRows
 The number of rows returned by the query. More...
 
 $shownavigation = true
 Wheter to show prev/next links. More...
 
- Protected Attributes inherited from SpecialPage
IContextSource $mContext
 Current request context. More...
 
 $mIncludable
 
 $mIncluding
 
 $mName
 

Additional Inherited Members

- Static Public Member Functions inherited from QueryPage
static getPages ()
 Get a list of query page classes and their associated special pages, for periodic updates. More...
 
- Static Public Member Functions inherited from SpecialPage
static getSafeTitleFor ( $name, $subpage=false)
 Get a localised Title object for a page name with a possibly unvalidated subpage. More...
 
static getTitleFor ( $name, $subpage=false, $fragment='')
 Get a localised Title object for a specified special page name. More...
 

Detailed Description

Searches the database for files of the requested hash, comparing this with the 'img_sha1' field in the image table.

Definition at line 31 of file SpecialFileDuplicateSearch.php.

Constructor & Destructor Documentation

◆ __construct()

FileDuplicateSearchPage::__construct (   $name = 'FileDuplicateSearch')

Definition at line 38 of file SpecialFileDuplicateSearch.php.

References $name.

Member Function Documentation

◆ doBatchLookups()

FileDuplicateSearchPage::doBatchLookups (   $list)

Definition at line 181 of file SpecialFileDuplicateSearch.php.

References $batch, $file, as, File\getTitle(), File\getUser(), File\isLocal(), NS_USER, and NS_USER_TALK.

Referenced by execute().

◆ execute()

◆ formatResult()

FileDuplicateSearchPage::formatResult (   $skin,
  $result 
)

◆ getDupes()

FileDuplicateSearchPage::getDupes ( )

Fetch dupes from all connected file repositories.

Returns
array of File objects

Definition at line 63 of file SpecialFileDuplicateSearch.php.

References RepoGroup\singleton().

Referenced by execute().

◆ getGroupName()

FileDuplicateSearchPage::getGroupName ( )
protected

Under which header this special page is listed in Special:SpecialPages See messages 'specialpages-group-*' for valid names This method defaults to group 'other'.

Returns
string
Since
1.21

Reimplemented from SpecialPage.

Definition at line 229 of file SpecialFileDuplicateSearch.php.

◆ getQueryInfo()

FileDuplicateSearchPage::getQueryInfo ( )

Subclasses return an SQL query here, formatted as an array with the following keys: tables => Table(s) for passing to Database::select() fields => Field(s) for passing to Database::select(), may be * conds => WHERE conditions options => options join_conds => JOIN conditions.

Note that the query itself should return the following three columns: 'namespace', 'title', and 'value'. 'value' is used for sorting.

These may be stored in the querycache table for expensive queries, and that cached data will be returned sometimes, so the presence of extra fields can't be relied upon. The cached 'value' column will be an integer; non-numeric values are useful only for sorting the initial query (except if they're timestamps, see usesTimestamps()).

Don't include an ORDER or LIMIT clause, they will be added.

If this function is not overridden or returns something other than an array, getSQL() will be used instead. This is for backwards compatibility only and is strongly deprecated.

Returns
array
Since
1.18

Reimplemented from QueryPage.

Definition at line 84 of file SpecialFileDuplicateSearch.php.

References array().

◆ isCacheable()

FileDuplicateSearchPage::isCacheable ( )

Is the output of this query cacheable? Non-cacheable expensive pages will be disabled in miser mode and will not have their results written to the querycache table.

Returns
bool
Since
1.18

Reimplemented from QueryPage.

Definition at line 46 of file SpecialFileDuplicateSearch.php.

◆ isCached()

FileDuplicateSearchPage::isCached ( )

Whether or not the output of the page in question is retrieved from the database cache.

Returns
bool

Reimplemented from QueryPage.

Definition at line 50 of file SpecialFileDuplicateSearch.php.

◆ isSyndicated()

FileDuplicateSearchPage::isSyndicated ( )

Sometime we don't want to build rss / atom feeds.

Returns
bool

Reimplemented from QueryPage.

Definition at line 42 of file SpecialFileDuplicateSearch.php.

◆ linkParameters()

FileDuplicateSearchPage::linkParameters ( )

If using extra form wheely-dealies, return a set of parameters here as an associative array.

They will be encoded and added to the paging links (prev/next/lengths).

Returns
array

Reimplemented from QueryPage.

Definition at line 54 of file SpecialFileDuplicateSearch.php.

References array().

◆ showList()

FileDuplicateSearchPage::showList (   $dupes)
Parameters
array$dupesof File objects

Definition at line 71 of file SpecialFileDuplicateSearch.php.

References $html, $line, array(), as, QueryPage\closeList(), formatResult(), SpecialPage\getOutput(), and QueryPage\openList().

Referenced by execute().

Member Data Documentation

◆ $file

File FileDuplicateSearchPage::$file = null
protected

$file selected reference file, if present

Definition at line 36 of file SpecialFileDuplicateSearch.php.

Referenced by doBatchLookups(), and execute().

◆ $filename

FileDuplicateSearchPage::$filename = ''

Definition at line 32 of file SpecialFileDuplicateSearch.php.

◆ $hash

FileDuplicateSearchPage::$hash = ''
protected

Definition at line 32 of file SpecialFileDuplicateSearch.php.


The documentation for this class was generated from the following file: