====== Course completion ======


There are several states of completion of the course
  - Completion is turned off
  - Completion is turned on
  - Without any criteria
  - With one or more criteria(s)
  - Course is completed

==== 1. Completion is turned off ====


Settings->Course administration->Edit settings
Completion tracking -> 'Disabled, not shown in activity settings'

Database(DB): table 'mdl_course' field 'enablecompletion' is 0
--------------
==== 2. Completion is turned on ====

Settings->Course administration->Edit settings
Completion tracking -> 'Enabled, control via.....'

DB: table 'mdl_course' field 'enablecompletion' is 1
---------------
==== 3. Without any criteria ====


DB: table 'mdl_course_completion_criteria' does not contain any records with 'course' = [concrete course id]
---------------
==== 4. With one or more criteria(s) ====


DB: table 'mdl_course_completion_criteria' contains record(s) with 'course' = [concrete course id]
---------------
==== 5. Course is completed ====

DB: table 'mdl_course_completions' field 'timecompleted' != NULL

via php code:
<code>
$params = array(
    'userid' => $user_id,
    'course' => $course_id
);
$ccompletion = new completion_completion($params);
$ccompletion->is_complete();
</code>