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Moodle 2.0


This document defines standard library structures to keep Moodle readable and organised.

Structure

There are several standard locations for library code in Moodle.

Simple core library

If the widget feature is a very simple core library with no GUI scripts (like formslib) then do it like this:

lib/widgetlib.php

This contains the main library functions. New ones should always implement these as a class.

lib/widget

Any supporting files for this library can go in this sub-directory. This directory should not contain any GUI scripts and files from here should NOT be directly included in Moodle code.

Plugins and complex core libraries

If the feature has some GUI scripts then it should have its own directory (eg like blog, comment, mod/forum, local/widget etc) and then this is always applies:

widget/classes

for classes that will be used by scripts in widget directory. See Automatic class loading for more information.

widget/lib.php

the main library file for the module containing functions that are either required by core code (eg forum_cron()), or simply being made available to other Moodle code (eg comment/lib.php). Generally there will be no capability checks in these functions.

widget/externallib.php

for functions and classes implementing external interface for use by third-party systems like web services, and may also be used by other modules in Moodle. These functions are a very stable API and implement full capability checking.

Refactoring of old code

This is some code that was refactored in 2.0 to fit the above guidelines.

Groups

currently in group/lib.php

  • groups_add_member($grouporid, $userorid)
  • groups_remove_member($grouporid, $userorid)
  • groups_create_group($data, $editform=false, $editoroptions=null)
  • groups_create_grouping($data, $editoroptions=null)
  • groups_update_group($data, $editform=false)
  • groups_update_grouping($data, $editoroptions=null)
  • groups_delete_group($grouporid)
  • groups_delete_grouping($groupingorid)
  • groups_delete_group_members($courseid, $userid=0, $showfeedback=false)
  • groups_delete_groupings_groups($courseid, $showfeedback=false)
  • groups_delete_groups($courseid, $showfeedback=false)
  • groups_delete_groupings($courseid, $showfeedback=false)
  • groups_get_possible_roles($context)
  • groups_get_potential_members($courseid, $roleid = null, $orderby = 'lastname,firstname')
  • groups_parse_name($format, $groupnumber)
  • groups_assign_grouping($groupingid, $groupid)
  • groups_unassign_grouping($groupingid, $groupid)
  • groups_get_members_by_role($groupid, $courseid, $fields='u.*', $sort='u.lastname ASC', $extrawheretest=, $whereparams=array())
  • groups_calculate_role_people($rs, $context)

currently in lib/grouplib.php

  • groups_group_exists($groupid)
  • groups_get_group_name($groupid)
  • groups_get_grouping_name($groupingid)
  • groups_get_group_by_name($courseid, $name)
  • groups_get_grouping_by_name($courseid, $name)
  • groups_get_group($groupid, $fields='*', $strictness=IGNORE_MISSING)
  • groups_get_grouping($groupingid, $fields='*', $strictness=IGNORE_MISSING)
  • groups_get_all_groups($courseid, $userid=0, $groupingid=0, $fields='g.*')
  • groups_get_user_groups($courseid, $userid=0)
  • groups_get_all_groupings($courseid)
  • groups_is_member($groupid, $userid=null)
  • groups_has_membership($cm, $userid=null)
  • groups_get_members($groupid, $fields='u.*', $sort='lastname ASC')
  • groups_get_grouping_members($groupingid, $fields='u.*', $sort='lastname ASC')
  • groups_get_course_groupmode($course)
  • groups_get_activity_groupmode($cm, $course=null)
  • groups_print_course_menu($course, $urlroot, $return=false)
  • groups_print_activity_menu($cm, $urlroot, $return=false, $hideallparticipants=false)
  • groups_get_course_group($course, $update=false)
  • groups_get_activity_group($cm, $update=false)
  • groups_get_activity_allowed_groups($cm,$userid=0)
  • groups_course_module_visible($cm, $userid=null)

New group/lib.php

  • groups_add_member($grouporid, $userorid)
  • groups_remove_member($grouporid, $userorid)
  • groups_create_group($data, $editform=false, $editoroptions=null)
  • groups_create_grouping($data, $editoroptions=null)
  • groups_update_group($data, $editform=false)
  • groups_update_grouping($data, $editoroptions=null)
  • groups_delete_group($grouporid)
  • groups_delete_grouping($groupingorid)
  • groups_delete_group_members($courseid, $userid=0, $showfeedback=false)
  • groups_delete_groupings_groups($courseid, $showfeedback=false)
  • groups_delete_groups($courseid, $showfeedback=false)
  • groups_delete_groupings($courseid, $showfeedback=false)
  • groups_assign_grouping($groupingid, $groupid)
  • groups_unassign_grouping($groupingid, $groupid)
  • groups_get_members_by_role($groupid, $courseid, $fields='u.*', $sort='u.lastname ASC', $extrawheretest=, $whereparams=array())
  • groups_group_exists($groupid)
  • groups_get_group_name($groupid)
  • groups_get_grouping_name($groupingid)
  • groups_get_group_by_name($courseid, $name)
  • groups_get_grouping_by_name($courseid, $name)
  • groups_get_group($groupid, $fields='*', $strictness=IGNORE_MISSING)
  • groups_get_grouping($groupingid, $fields='*', $strictness=IGNORE_MISSING)
  • groups_get_all_groups($courseid, $userid=0, $groupingid=0, $fields='g.*')
  • groups_get_user_groups($courseid, $userid=0)
  • groups_get_all_groupings($courseid)
  • groups_is_member($groupid, $userid=null)
  • groups_has_membership($cm, $userid=null)
  • groups_get_members($groupid, $fields='u.*', $sort='lastname ASC')
  • groups_get_grouping_members($groupingid, $fields='u.*', $sort='lastname ASC')
  • groups_get_course_groupmode($course)
  • groups_get_activity_groupmode($cm, $course=null)
  • groups_get_course_group($course, $update=false)
  • groups_get_activity_group($cm, $update=false)
  • groups_get_activity_allowed_groups($cm,$userid=0)
  • groups_print_course_menu($course, $urlroot, $return=false)
  • groups_print_activity_menu($cm, $urlroot, $return=false, $hideallparticipants=false)
  • groups_course_module_visible($cm, $userid=null)

New group/locallib.php

groups_get_possible_roles($context)
groups_get_potential_members($courseid, $roleid = null, $orderby = 'lastname,firstname')
groups_parse_name($format, $groupnumber)
groups_calculate_role_people($rs, $context)

Users

Currently in lib/datalib.php

  • get_users($get=true, $search=, $confirmed=false, array $exceptions=null, $sort='firstname ASC', $firstinitial=, $lastinitial=, $page=, $recordsperpage=, $fields='*', $extraselect=, array $extraparams=null) New for triage
  • get_users_confirmed()New for triage
  • get_users_listing($sort='lastaccess', $dir='ASC', $page=0, $recordsperpage=0, $search=, $firstinitial=, $lastinitial=, $extraselect=, array $extraparams=null)New for triage
  • search_users($courseid, $groupid, $searchtext, $sort=, array $exceptions=null)New for triage
  • user_accesstime_log($courseid=0)New for triage
  • user_can_create_courses()New for triage

Currently in user/profile/lib.php

  • profile_user_record($userid) New for triage
  • profile_load_data(&$user)New for triage

Currently in lib/moodlelib.php

authenticate_user_login($username, $password)
calculate_user_dst_table($from_year = NULL, $to_year = NULL, $strtimezone = NULL)
check_user_preferences_loaded($time = null)
complete_user_login($user, $setcookie=true)
create_user_key($script, $userid, $instance=null, $iprestriction=null, $validuntil=null)
create_user_record($username, $password, $auth='manual')
delete_user($user)
get_complete_user_data($field, $value, $mnethostid=null)
get_user_directories($only_non_empty=true, $legacy=false)
get_user_fieldnames()
get_user_preferences($name=NULL, $default=NULL, $otheruserid=NULL)
get_user_timezone($tz = 99)
get_user_timezone_offset($tz = 99)
get_users_from_config($value, $capability)
guest_user()
hash_internal_user_password($password)
is_restored_user($username)
isguestuser($user=NULL)
isloggedin()
make_user_directory($userid, $test=false)
mark_user_preferences_changed($userid)
set_user_preference($name, $value, $otheruserid=NULL)
set_user_preferences($prefarray, $otheruserid=NULL)
truncate_userinfo($info)
unset_user_preference($name, $otheruserid=NULL)
update_internal_user_password(&$user, $password)
update_user_login_times()
update_user_record($username, $authplugin)
user_not_fully_set_up($user)
user_preference_allow_ajax_update($name, $paramtype)
userdate($date, $format = , $timezone = 99, $fixday = true)
usergetdate($time, $timezone=99)
usergetmidnight($date, $timezone=99)
usertime($date, $timezone=99)
usertimezone($timezone=99)
validate_internal_user_password(&$user, $password)

Move to lib/deprecatedlib.php

  • create_user_record($username, $password, $auth='manual')
  • update_user_record($username, $authplugin)
  • get_complete_user_data($field, $value, $mnethostid=null)

New user/lib.php

  • user_create_user($user)
  • user_delete_user($user)
  • user_update_user($user)
  • user_get_user($user)
  • get_user_preferences($name=NULL, $default=NULL, $otheruserid=NULL)
  • set_user_preference($name, $value, $otheruserid=NULL)
  • set_user_preferences($prefarray, $otheruserid=NULL)
  • unset_user_preference($name, $otheruserid=NULL)
  • guest_user()
  • isguestuser($user=NULL)
  • isloggedin()
  • is_restored_user($username)
  • complete_user_login($user, $setcookie=true)

New user/locallib.php

authenticate_user_login($username, $password)
check_user_preferences_loaded($time = null)
create_user_key($script, $userid, $instance=null, $iprestriction=null, $validuntil=null)
get_user_directories($only_non_empty=true, $legacy=false)
get_user_fieldnames()
get_users_from_config($value, $capability)
hash_internal_user_password($password)
make_user_directory($userid, $test=false)
mark_user_preferences_changed($userid)
truncate_userinfo($info)
update_internal_user_password(&$user, $password)
update_user_login_times()
user_not_fully_set_up($user)
user_preference_allow_ajax_update($name, $paramtype)
validate_internal_user_password(&$user, $password)


New lib/timelib.php

userdate($date, $format = , $timezone = 99, $fixday = true)
usergetdate($time, $timezone=99)
usergetmidnight($date, $timezone=99)
usertime($date, $timezone=99)
usertimezone($timezone=99)
calculate_user_dst_table($from_year = NULL, $to_year = NULL, $strtimezone = NULL)
get_user_timezone($tz = 99)
get_user_timezone_offset($tz = 99)