moodle_local_treestudyplan/classes/associationservice.php

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<?php
namespace local_treestudyplan;
use local_treestudyplan\local\helpers\webservicehelper;
require_once($CFG->libdir.'/externallib.php');
class associationservice extends \external_api
{
const CAP_EDIT = "local/treestudyplan:editstudyplan";
const CAP_VIEW = "local/treestudyplan:viewuserreports";
public static function user_structure(){
return new \external_single_structure([
"id" => new \external_value(PARAM_INT, 'user id'),
"username" => new \external_value(PARAM_TEXT, 'username'),
"firstname" => new \external_value(PARAM_TEXT, 'first name'),
"lastname" => new \external_value(PARAM_TEXT, 'last name'),
"idnumber" => new \external_value(PARAM_TEXT, 'id number'),
"email" => new \external_value(PARAM_TEXT, 'email address'),
]);
}
public static function make_user_model($r){
return [
"id" => $r->id,
"username" => $r->username,
"firstname" => $r->firstname,
"lastname" => $r->lastname,
"idnumber" => $r->idnumber,
"email" => $r->email,
];
}
public static function cohort_structure(){
return new \external_single_structure([
"id" => new \external_value(PARAM_INT, 'cohort id'),
"name" => new \external_value(PARAM_TEXT, 'name'),
"idnumber" => new \external_value(PARAM_TEXT, 'id number'),
"description" => new \external_value(PARAM_TEXT, 'description'),
"visible" => new \external_value(PARAM_BOOL, 'is visible'),
"context" => new \external_single_structure([
"name" => new \external_value(PARAM_TEXT, 'context name'),
"shortname" => new \external_value(PARAM_TEXT, 'context short name'),
"path" => new \external_multiple_structure( new \external_value(PARAM_TEXT)),
"shortpath" => new \external_multiple_structure( new \external_value(PARAM_TEXT)),
], 'context information', VALUE_OPTIONAL),
]);
}
public static function make_cohort_model($r){
global $DB;
$ctx = \context::instance_by_id($r->contextid);
$ctxPath = array_reverse($ctx->get_parent_context_ids(true));
if(count($ctxPath) > 1 && $ctxPath[0] == 1) {
array_shift($ctxPath);
}
$result = [
"id" => $r->id,
"name" => $r->name,
"idnumber" => $r->idnumber,
"description" => $r->description,
"visible" => $r->visible,
"context" => [
"name" => $ctx->get_context_name(false,false),
"shortname" => $ctx->get_context_name(false,true),
"path" => array_map(function($c){ return \context::instance_by_id($c)->get_context_name(false,false);},$ctxPath),
"shortpath" => array_map(function($c){ return \context::instance_by_id($c)->get_context_name(false,true);},$ctxPath),
]
];
return $result;
}
public static function list_cohort_parameters()
{
return new \external_function_parameters( [
'like' => new \external_value(PARAM_TEXT, 'search text', VALUE_OPTIONAL),
'exclude_id' => new \external_value(PARAM_INT, 'exclude members of this studyplan', VALUE_OPTIONAL),
'context_ic' => new \external_value(PARAM_INT, 'context for this request', VALUE_OPTIONAL),
] );
}
public static function list_cohort_returns()
{
return new \external_multiple_structure(self::cohort_structure());
}
// Actual functions
public static function list_cohort($like='',$exclude_id=null,$context_id=1)
{
global $CFG, $DB;
// Only allow this if the user has the right to edit in this context
$context = webservicehelper::find_context($context_id);
webservicehelper::require_capabilities(self::CAP_EDIT, $context);
$pattern = "%{$like}%";
$params = ["pattern_nm" => $pattern,"pattern_id" => $pattern,];
$sql = "SELECT c.* from {cohort} c LEFT JOIN {local_treestudyplan_cohort} j ON c.id = j.cohort_id";
$sql .= " WHERE c.visible = 1 AND(name LIKE :pattern_nm OR idnumber LIKE :pattern_id)";
if(isset($exclude_id) && is_numeric($exclude_id)){
$sql .= " AND (j.studyplan_id IS NULL OR j.studyplan_id != :exclude_id)";
$params['exclude_id'] = $exclude_id;
}
if($context_id > 1){ // system context returns all cohorts, including system cohorts
// otherwise,
$sql .= " AND contextid = :context_id";
$params['context_id'] = $context_id;
}
$cohorts = [];
$rs = $DB->get_recordset_sql($sql,$params);
foreach ($rs as $r) {
$cohorts[] = static::make_cohort_model($r);
}
$rs->close();
return $cohorts;
}
public static function find_user_parameters()
{
return new \external_function_parameters( [
'like' => new \external_value(PARAM_TEXT, 'search text'),
'exclude_id' => new \external_value(PARAM_INT, 'exclude members of this studyplan', VALUE_OPTIONAL),
'context_id' => new \external_value(PARAM_INT, 'context for this request', VALUE_OPTIONAL),
] );
}
public static function find_user_returns()
{
return new \external_multiple_structure(self::user_structure());
}
// Actual functions
public static function find_user($like,$exclude_id=null,$context_id=1)
{
global $CFG, $DB;
// Only allow this if the user has the right to edit in this context (using system rights would make things more confusing)
$context = webservicehelper::find_context($context_id);
webservicehelper::require_capabilities(self::CAP_EDIT,);
$pattern = "%{$like}%";
$params = ["pattern_fn" => $pattern,
"pattern_ln" => $pattern,
"pattern_un" => $pattern,
];
$sql = "SELECT u.* from {user} u LEFT JOIN {local_treestudyplan_user} j ON u.id = j.user_id";
$sql .= " WHERE u.deleted != 1 AND (firstname LIKE :pattern_fn OR lastname LIKE :pattern_ln OR username LIKE :pattern_un)";
if(isset($exclude_id) && is_numeric($exclude_id)){
$sql .= " AND (j.studyplan_id IS NULL OR j.studyplan_id != :exclude_id)";
$params['exclude_id'] = $exclude_id;
}
$users = [];
$rs = $DB->get_recordset_sql($sql, $params);
foreach ($rs as $r) {
$users[] = static::make_user_model($r);
}
$rs->close();
self::sortusermodels($users);
return $users;
}
public static function connect_cohort_parameters()
{
return new \external_function_parameters( [
"studyplan_id" => new \external_value(PARAM_INT, 'id of studyplan', VALUE_OPTIONAL),
"cohort_id" => new \external_value(PARAM_INT, 'id of cohort to link', VALUE_OPTIONAL),
] );
}
public static function connect_cohort_returns()
{
return new \external_single_structure([
"success" => new \external_value(PARAM_BOOL, 'operation completed succesfully'),
"msg" => new \external_value(PARAM_TEXT, 'message'),
]);
}
// Actual functions
public static function connect_cohort($studyplan_id,$cohort_id)
{
global $CFG, $DB;
$studyplan = studyplan::findById($studyplan_id);
webservicehelper::require_capabilities(self::CAP_EDIT,$studyplan->context());
if(!$DB->record_exists('local_treestudyplan_cohort', ['studyplan_id' => $studyplan_id, 'cohort_id' => $cohort_id]))
{
$id = $DB->insert_record('local_treestudyplan_cohort', [
'studyplan_id' => $studyplan_id,
'cohort_id' => $cohort_id,
]);
return ['success' => true, 'msg'=>'Cohort connected'];
} else {
return ['success' => true, 'msg'=>'Cohort already connected'];
}
}
public static function disconnect_cohort_parameters()
{
return new \external_function_parameters( [
"studyplan_id" => new \external_value(PARAM_INT, 'id of studyplan', VALUE_OPTIONAL),
"cohort_id" => new \external_value(PARAM_INT, 'id of cohort to link', VALUE_OPTIONAL),
] );
}
public static function disconnect_cohort_returns()
{
return new \external_single_structure([
"success" => new \external_value(PARAM_BOOL, 'operation completed succesfully'),
"msg" => new \external_value(PARAM_TEXT, 'message'),
]);
}
// Actual functions
public static function disconnect_cohort($studyplan_id,$cohort_id)
{
global $CFG, $DB;
$studyplan = studyplan::findById($studyplan_id);
webservicehelper::require_capabilities(self::CAP_EDIT,$studyplan->context());
if($DB->record_exists('local_treestudyplan_cohort', ['studyplan_id' => $studyplan_id, 'cohort_id' => $cohort_id]))
{
$DB->delete_records('local_treestudyplan_cohort', [
'studyplan_id' => $studyplan_id,
'cohort_id' => $cohort_id,
]);
return ['success' => true, 'msg'=>'Cohort Disconnected'];
} else {
return ['success' => true, 'msg'=>'Connection does not exist'];
}
}
public static function connect_user_parameters()
{
return new \external_function_parameters( [
"studyplan_id" => new \external_value(PARAM_INT, 'id of studyplan', VALUE_OPTIONAL),
"user_id" => new \external_value(PARAM_INT, 'id of user to link', VALUE_OPTIONAL),
] );
}
public static function connect_user_returns()
{
return new \external_single_structure([
"success" => new \external_value(PARAM_BOOL, 'operation completed succesfully'),
"msg" => new \external_value(PARAM_TEXT, 'message'),
]);
}
// Actual functions
public static function connect_user($studyplan_id,$user_id)
{
global $CFG, $DB;
$studyplan = studyplan::findById($studyplan_id);
webservicehelper::require_capabilities(self::CAP_EDIT,$studyplan->context());
if(!$DB->record_exists('local_treestudyplan_user', ['studyplan_id' => $studyplan_id, 'user_id' => $user_id]))
{
$id = $DB->insert_record('local_treestudyplan_user', [
'studyplan_id' => $studyplan_id,
'user_id' => $user_id,
]);
return ['success' => true, 'msg'=>'Cohort connected'];
} else {
return ['success' => true, 'msg'=>'Cohort already connected'];
}
}
public static function disconnect_user_parameters()
{
return new \external_function_parameters( [
"studyplan_id" => new \external_value(PARAM_INT, 'id of studyplan', VALUE_OPTIONAL),
"user_id" => new \external_value(PARAM_INT, 'id of user to link', VALUE_OPTIONAL),
] );
}
public static function disconnect_user_returns()
{
return new \external_single_structure([
"success" => new \external_value(PARAM_BOOL, 'operation completed succesfully'),
"msg" => new \external_value(PARAM_TEXT, 'message'),
]);
}
// Actual functions
public static function disconnect_user($studyplan_id,$user_id)
{
global $CFG, $DB;
$studyplan = studyplan::findById($studyplan_id);
webservicehelper::require_capabilities(self::CAP_EDIT,$studyplan->context());
if($DB->record_exists('local_treestudyplan_user', ['studyplan_id' => $studyplan_id, 'user_id' => $user_id]))
{
$DB->delete_records('local_treestudyplan_user', [
'studyplan_id' => $studyplan_id,
'user_id' => $user_id,
]);
return ['success' => true, 'msg'=>'USer Disconnected'];
} else {
return ['success' => true, 'msg'=>'Connection does not exist'];
}
}
public static function associated_users_parameters()
{
return new \external_function_parameters( [
"studyplan_id" => new \external_value(PARAM_INT, 'id of studyplan', VALUE_OPTIONAL),
] );
}
public static function associated_users_returns()
{
return new \external_multiple_structure(self::user_structure());
}
// Actual functions
public static function associated_users($studyplan_id)
{
global $CFG, $DB;
$studyplan = studyplan::findById($studyplan_id);
webservicehelper::require_capabilities(self::CAP_VIEW,$studyplan->context());
$sql = "SELECT DISTINCT u.* FROM {user} u INNER JOIN {local_treestudyplan_user} j ON j.user_id = u.id";
$sql .= " WHERE j.studyplan_id = :studyplan_id";
$rs = $DB->get_recordset_sql($sql, ['studyplan_id' => $studyplan_id]);
$users = [];
foreach($rs as $u)
{
$users[] = self::make_user_model($u);
}
$rs->close();
self::sortusermodels($users);
return $users;
}
public static function associated_cohorts_parameters()
{
return new \external_function_parameters( [
"studyplan_id" => new \external_value(PARAM_INT, 'id of studyplan', VALUE_OPTIONAL),
] );
}
public static function associated_cohorts_returns()
{
return new \external_multiple_structure(self::cohort_structure());
}
// Actual functions
public static function associated_cohorts($studyplan_id)
{
global $CFG, $DB;
$studyplan = studyplan::findById($studyplan_id);
webservicehelper::require_capabilities(self::CAP_VIEW,$studyplan->context());
$sql = "SELECT DISTINCT c.* FROM {cohort} c INNER JOIN {local_treestudyplan_cohort} j ON j.cohort_id = c.id";
$sql .= " WHERE j.studyplan_id = :studyplan_id";
$rs = $DB->get_recordset_sql($sql, ['studyplan_id' => $studyplan_id]);
$cohorts = [];
foreach($rs as $c)
{
$cohorts[] = self::make_cohort_model($c);
}
$rs->close();
return $cohorts;
}
public static function all_associated_parameters()
{
return new \external_function_parameters( [
"studyplan_id" => new \external_value(PARAM_INT, 'id of studyplan', VALUE_OPTIONAL),
] );
}
public static function all_associated_returns()
{
return new \external_multiple_structure(self::user_structure());
}
// Actual functions
public static function all_associated($studyplan_id)
{
global $CFG, $DB;
$studyplan = studyplan::findById($studyplan_id);
webservicehelper::require_capabilities(self::CAP_VIEW,$studyplan->context());
$users = [];
// SQL JOIN script selecting all users that have a cohort linked to this studyplan
// or are directly linked
$sql = "SELECT DISTINCT u.id, u.username, u.firstname, u.lastname, u.idnumber, u.email
FROM {user} u
LEFT JOIN {cohort_members} cm ON u.id = cm.userid
LEFT JOIN {local_treestudyplan_cohort} tc ON cm.cohortid = tc.cohort_id
LEFT JOIN {local_treestudyplan_user} tu ON u.id = tu.user_id
WHERE tc.studyplan_id = {$studyplan_id}
OR tu.studyplan_id = {$studyplan_id}
ORDER BY u.lastname, u.firstname";
$rs = $DB->get_recordset_sql($sql);
foreach($rs as $u)
{
$users[] = self::make_user_model($u);
}
$rs->close();
self::sortusermodels($users);
return $users;
}
public static function sortusermodels(&$list){
return usort($list,function($a,$b){
$m= [];
if(preg_match("/.*?([A-Z].*)/",$a['lastname'],$m)){
$sort_ln_a = $m[1];
} else {
$sort_ln_a = $a['lastname'];
}
if(preg_match("/.*?([A-Z].*)/",$b['lastname'],$m)){
$sort_ln_b = $m[1];
} else {
$sort_ln_b = $b['lastname'];
}
$cmp= $sort_ln_a <=> $sort_ln_b;
return ($cmp != 0)?$cmp:$a['firstname'] <=> $b['firstname'];
});
}
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public static function cascade_cohortsync_parameters()
{
return new \external_function_parameters( [
"studyplan_id" => new \external_value(PARAM_INT, 'id of studyplan', VALUE_OPTIONAL),
] );
}
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public static function cascade_cohortsync_returns()
{
return success::structure();
}
// Actual functions
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public static function cascade_cohortsync($studyplan_id)
{
$studyplan = studyplan::findById($studyplan_id);
webservicehelper::require_capabilities(self::CAP_EDIT,$studyplan->context());
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$enroller = new cascadecohortsync($studyplan);
$enroller->sync();
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return success::success()->model();
}
}