mod_data\search\entry Class Reference

Search area for mod_data activity entries. More...

Inheritance diagram for mod_data\search\entry:

Public Member Functions
	attach_files ($doc)
	Add the database entries attachments.
	check_access ($id)
	Whether the user can access the document or not.
	get_area_id ()
	Returns the area id.
	get_category_names ()
	Returns a list of category names associated with the area.
	get_component_name ()
	Returns the moodle component name.
	get_component_type ()
	Returns the component type.
	get_config ()
	Returns all the search area configuration.
	get_config_var_name ()
	Returns the config var name.
	get_context_url (\core_search\document $doc)
	Returns a url to the document context.
	get_context_url (\core_search\document $doc)
	Link to the database activity.
	get_contexts_to_reindex ()
	Gets a list of all contexts to reindex when reindexing this search area.
	get_doc_icon (document $doc)
	Returns an icon instance for the document.
	get_doc_url (\core_search\document $doc)
	Returns a url to the document, it might match self\get_context_url().
	get_doc_url (\core_search\document $doc)
	Link to database entry.
	get_document ($entry, $options=array())
	Returns the documents associated with this glossary entry id.
	get_document_display_title (\core_search\document $doc)
	Returns the document title to display.
	get_document_recordset ($modifiedfrom=0, context $context=null)
	Returns recordset containing required data for indexing database entries.
	get_last_indexing_duration ()
	Gets the length of time spent indexing this area (the last time it was indexed).
	get_recordset_by_timestamp ($modifiedfrom=0)
	Returns a recordset ordered by modification date ASC.
	get_search_fileareas ()
	Return the context info required to index files for this search area.
	get_visible_name ($lazyload=false)
	Returns the area visible name.
	is_enabled ()
	Is the search component enabled by the system administrator?
	restrict_cm_access_by_group (\cm_info $cm)
	Checks whether the content of this search area should be restricted by group for a specific module.
	set_enabled ($isenabled)
	supports_get_document_recordset ()
	Checks if get_document_recordset is supported for this search area.
	supports_group_restriction ()
	Confirms that data entries support group restrictions.
	uses_file_indexing ()
	Returns true if this area uses file indexing.

Static Public Member Functions
static	get_levels ()
	Returns context levels property.
static	get_settingnames ()
	Return a list of all required setting names.

Public Attributes
string	$areaid
	An area id from the componentname and the area name.

Protected Member Functions
	get_cm ($modulename, $instanceid, $courseid)
	Gets the course module for the required instanceid + modulename.
	get_context_restriction_sql (?\context $context, $modname, $modtable, $paramtype=SQL_PARAMS_QM)
	Helper function that gets SQL useful for restricting a search query given a passed-in context.
	get_contexts_to_reindex_extra_sql ()
	This can be used in subclasses to change ordering within the get_contexts_to_reindex function.
	get_course_level_context_restriction_sql (?\context $context, $coursetable, $paramtype=SQL_PARAMS_QM)
	Helper function that gets SQL useful for restricting a search query given a passed-in context, for data stored at course level.
	get_entry ($entryid)
	Get database entry data.
	get_field_class_name ($fieldtype)
	Returns the class name for the given field type and includes it.
	get_fields_for_entries ($entry)
	get_fields_for_entries
	get_module_name ()
	Returns the module name.

Protected Attributes
string	$areaname = null
	The area name as defined in the class name.
string	$componentname = null
	The component frankenstyle name.
string	$componenttype = null
	The component type (core or the plugin type).
array	$entriesdata = array()
	Internal quick static cache.

Static Protected Attributes
static array	$levels = [CONTEXT_MODULE]
	The context levels the search area is working on.

Detailed Description

Search area for mod_data activity entries.

Copyright

2016 Devang Gaur

License

http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

Member Function Documentation

attach_files()

mod_data\search\entry::attach_files

(

$doc

)

Add the database entries attachments.

Parameters

core_search\document

$doc

Return values

void

Reimplemented from core_search\base.

check_access()

mod_data\search\entry::check_access

(

$id

)

Whether the user can access the document or not.

Exceptions

dml_missing_record_exception
dml_exception

Parameters

int

$id

Glossary entry id

Return values

bool

Reimplemented from core_search\base.

get_area_id()

core_search\base::get_area_id ( )

inherited

Returns the area id.

Return values

string

get_category_names()

core_search\base_mod::get_category_names ( )

inherited

Returns a list of category names associated with the area.

Return values

array

Reimplemented from core_search\base.

get_cm()

core_search\base_mod::get_cm ( $modulename, $instanceid, $courseid )

protectedinherited

Gets the course module for the required instanceid + modulename.

The returned data depends on the logged user, when calling this through self\get_document the admin user is used so everything would be returned.

No need more internal caching here, modinfo is already cached.

Exceptions

dml_missing_record_exception

Parameters

string	$modulename	The module name
int	$instanceid	Module instance id (depends on the module)
int	$courseid	Helps speeding up things

Return values

cm_info

get_component_name()

core_search\base::get_component_name ( )

inherited

Returns the moodle component name.

It might be the plugin name (whole frankenstyle name) or the core subsystem name.

Return values

string

Reimplemented in core_course\search\course, core_course\search\customfield, core_course\search\section, core_user\search\course_teacher, and core_user\search\user.

get_component_type()

core_search\base::get_component_type ( )

inherited

Returns the component type.

It might be a plugintype or 'core' for core subsystems.

Return values

string

get_config()

core_search\base::get_config ( )

inherited

Returns all the search area configuration.

Return values

array

get_config_var_name()

core_search\base::get_config_var_name ( )

inherited

Returns the config var name.

It depends on whether it is a moodle subsystem or a plugin as plugin-related config should remain in their own scope.

Return values

string

Config var path including the plugin (or component) and the varname

get_context_restriction_sql()

core_search\base_mod::get_context_restriction_sql ( ?\context $context, $modname, $modtable, $paramtype = SQL_PARAMS_QM )

protectedinherited

Helper function that gets SQL useful for restricting a search query given a passed-in context.

The SQL returned will be zero or more JOIN statements, surrounded by whitespace, which act as restrictions on the query based on the rows in a module table.

You can pass in a null or system context, which will both return an empty string and no params.

Returns an array with two nulls if there can be no results for the activity within this context (e.g. it is a block context).

If named parameters are used, these will be named gcrs0, gcrs1, etc. The table aliases used in SQL also all begin with gcrs, to avoid conflicts.

Parameters

context | null	$context	Context to restrict the query
string	$modname	Name of module e.g. 'forum'
string	$modtable	Alias of table containing module id
int	$paramtype	Type of SQL parameters to use (default question mark)

Return values

array

Array with SQL and parameters; both null if no need to query

Exceptions

coding_exception

If called with invalid params

get_context_url() [1/2]

core_search\base::get_context_url ( \core_search\document $doc )

abstractinherited

Returns a url to the document context.

Parameters

core_search\document

$doc

Return values

moodle_url

Reimplemented in core_search\base_activity, and core_search\base_block.

get_context_url() [2/2]

mod_data\search\entry::get_context_url

(

\core_search\document

$doc

)

Link to the database activity.

Parameters

core_search\document

$doc

Return values

moodle_url

get_contexts_to_reindex()

core_search\base_mod::get_contexts_to_reindex ( )

inherited

Gets a list of all contexts to reindex when reindexing this search area.

For modules, the default is to return all contexts for modules of that type, in order of time added (most recent first).

Return values

Iterator

Iterator of contexts to reindex

Exceptions

moodle_exception

If any DB error

Reimplemented from core_search\base.

get_contexts_to_reindex_extra_sql()

core_search\base_mod::get_contexts_to_reindex_extra_sql ( )

protectedinherited

This can be used in subclasses to change ordering within the get_contexts_to_reindex function.

It returns 2 values:

• Extra SQL joins (tables course_modules 'cm' and context 'x' already exist).
• An ORDER BY value which must use aggregate functions, by default 'MAX(cm.added) DESC'.

Note the query already includes a GROUP BY on the context fields, so if your joins result in multiple rows, you can use aggregate functions in the ORDER BY. See forum for an example.

Return values

string[]

Array with 2 elements; extra joins for the query, and ORDER BY value

Reimplemented in mod_forum\search\post.

get_course_level_context_restriction_sql()

core_search\base::get_course_level_context_restriction_sql ( ?\context $context, $coursetable, $paramtype = SQL_PARAMS_QM )

protectedinherited

Helper function that gets SQL useful for restricting a search query given a passed-in context, for data stored at course level.

The SQL returned will be zero or more JOIN statements, surrounded by whitespace, which act as restrictions on the query based on the rows in a module table.

You can pass in a null or system context, which will both return an empty string and no params.

Returns an array with two nulls if there can be no results for a course within this context.

If named parameters are used, these will be named gclcrs0, gclcrs1, etc. The table aliases used in SQL also all begin with gclcrs, to avoid conflicts.

Parameters

context | null	$context	Context to restrict the query
string	$coursetable	Name of alias for course table e.g. 'c'
int	$paramtype	Type of SQL parameters to use (default question mark)

Return values

array

Array with SQL and parameters; both null if no need to query

Exceptions

coding_exception

If called with invalid params

get_doc_icon()

core_search\base_mod::get_doc_icon ( document $doc )

inherited

Returns an icon instance for the document.

Parameters

core_search\document

$doc

Return values

core_search\document_icon

Reimplemented from core_search\base.

get_doc_url() [1/2]

core_search\base::get_doc_url ( \core_search\document $doc )

abstractinherited

Returns a url to the document, it might match self\get_context_url().

Parameters

core_search\document

$doc

Return values

moodle_url

Reimplemented in core_search\base_activity, and core_search\base_block.

get_doc_url() [2/2]

mod_data\search\entry::get_doc_url

(

\core_search\document

$doc

)

Link to database entry.

Parameters

core_search\document

$doc

Return values

moodle_url

get_document()

mod_data\search\entry::get_document	(		$entry,
			$options = array() )

Returns the documents associated with this glossary entry id.

Parameters

stdClass	$entry	glossary entry.
array	$options

Return values

core_search\document

Reimplemented from core_search\base.

get_document_display_title()

core_search\base::get_document_display_title ( \core_search\document $doc )

inherited

Returns the document title to display.

Allow to customize the document title string to display.

Parameters

core_search\document

$doc

Return values

string

Document title to display in the search results page

get_document_recordset()

mod_data\search\entry::get_document_recordset	(		$modifiedfrom = 0,
		context	$context = null )

Returns recordset containing required data for indexing database entries.

Parameters

int	$modifiedfrom	timestamp
context | null	$context	Optional context to restrict scope of returned results

Return values

moodle_recordset|null

Recordset (or null if no results)

Reimplemented from core_search\base.

get_entry()

mod_data\search\entry::get_entry ( $entryid )

protected

Get database entry data.

Exceptions

dml_exception

Parameters

int

$entryid

Return values

stdClass

get_field_class_name()

mod_data\search\entry::get_field_class_name ( $fieldtype )

protected

Returns the class name for the given field type and includes it.

Parameters

string

$fieldtype

Return values

string|null

It will return the class name or null if the field type is not available.

get_fields_for_entries()

mod_data\search\entry::get_fields_for_entries ( $entry )

protected

get_fields_for_entries

Parameters

StdClass

$entry

Return values

array

get_last_indexing_duration()

core_search\base::get_last_indexing_duration ( )

inherited

Gets the length of time spent indexing this area (the last time it was indexed).

Return values

int|bool

Time in seconds spent indexing this area last time, false if never indexed

get_levels()

static core_search\base::get_levels ( )

staticinherited

Returns context levels property.

Return values

int

get_module_name()

core_search\base_mod::get_module_name ( )

protectedinherited

Returns the module name.

Return values

string

get_recordset_by_timestamp()

core_search\base::get_recordset_by_timestamp ( $modifiedfrom = 0 )

inherited

Returns a recordset ordered by modification date ASC.

Each record can include any data self\get_document might need but it must:

• Include an 'id' field: Unique identifier (in this area's scope) of a document to index in the search engine If the indexed content field can contain embedded files, the 'id' value should match the filearea itemid.
• Only return data modified since $modifiedfrom, including $modifiedform to prevent some records from not being indexed (e.g. your-timemodified-fieldname >= $modifiedfrom)
• Order the returned data by time modified in ascending order, as core_search\manager will need to store the modified time of the last indexed document.

Since Moodle 3.4, subclasses should instead implement get_document_recordset, which has an additional context parameter. This function continues to work for implementations which haven't been updated, or where the context parameter is not required.

Parameters

int

$modifiedfrom

Return values

moodle_recordset

get_search_fileareas()

core_search\base::get_search_fileareas ( )

inherited

Return the context info required to index files for this search area.

Should be onerridden by each search area.

Return values

array

Reimplemented in core_course\search\course, core_course\search\section, core_search\base_activity, core_user\search\user, mod_assign\search\activity, mod_book\search\chapter, mod_folder\search\activity, mod_forum\search\post, mod_glossary\search\entry, mod_lesson\search\activity, mod_page\search\activity, mod_resource\search\activity, mod_scorm\search\activity, mod_wiki\search\collaborative_page, and mod_workshop\search\activity.

get_settingnames()

static core_search\base::get_settingnames ( )

staticinherited

Return a list of all required setting names.

Return values

array

get_visible_name()

core_search\base::get_visible_name ( $lazyload = false )

inherited

Returns the area visible name.

Parameters

bool

$lazyload

Usually false, unless when in admin settings.

Return values

string

is_enabled()

core_search\base::is_enabled ( )

inherited

Is the search component enabled by the system administrator?

Return values

bool

restrict_cm_access_by_group()

core_search\base_mod::restrict_cm_access_by_group ( \cm_info $cm )

inherited

Checks whether the content of this search area should be restricted by group for a specific module.

Called at query time.

The default behaviour simply checks if the effective group mode is SEPARATEGROUPS, which is probably correct for most cases.

If restricted by group, the search query will (where supported by the engine) filter out results for groups the user does not belong to, unless the user has 'access all groups' for the activity. This affects only documents which set the 'groupid' field; results with no groupid will not be restricted.

Even if you return true to this function, you may still need to do group access checks in check_access, because the search engine may not support group restrictions.

Parameters

cm_info

$cm

Return values

bool	True to restrict by group

supports_get_document_recordset()

core_search\base::supports_get_document_recordset ( )

inherited

Checks if get_document_recordset is supported for this search area.

For many uses you can simply call get_document_recordset and see if it returns false, but this function is useful when you don't want to actually call the function right away.

supports_group_restriction()

mod_data\search\entry::supports_group_restriction

(

)

Confirms that data entries support group restrictions.

Return values

bool

True

Reimplemented from core_search\base_mod.

uses_file_indexing()

mod_data\search\entry::uses_file_indexing

(

)

Returns true if this area uses file indexing.

Return values

bool

Reimplemented from core_search\base.

Member Data Documentation

$levels

array core_search\base_mod::$levels = [CONTEXT_MODULE]

staticprotectedinherited

The context levels the search area is working on.

This can be overwriten by the search area if it works at multiple levels.

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

• mod/data/classes/search/entry.php