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entries_class.php
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<?php
// This file is part of mod_datalynx for Moodle - http://moodle.org/
//
// It is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// It is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
*
* @package mod_datalynx
* @copyright 2013 onwards edulabs.org and associated programmers
* @copyright based on the work by 2012 Itamar Tzadok
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
use core_user\fields;
defined('MOODLE_INTERNAL') || die();
/**
*/
class datalynx_entries {
const SELECT_FIRST_PAGE = 0;
const SELECT_LAST_PAGE = -1;
const SELECT_NEXT_PAGE = -2;
const SELECT_RANDOM_PAGE = -3;
/**
*
* @var datalynx
*/
protected $datalynx = null;
// Datalynx object.
/**
*
* @var datalynx_filter|null
*/
protected $filter = null;
protected $_entries = null;
protected $_entriestotalcount = 0;
protected $_entriesfiltercount = 0;
/**
* Constructor
* View or datalynx or both, each can be id or object
*
* @param datalynx $datalynx
* @param datalynx_filter|null $filter
* @throws coding_exception
*/
public function __construct(mod_datalynx\datalynx $datalynx, datalynx_filter $filter = null) {
if (empty($datalynx)) {
throw new coding_exception(
'Datalynx id or object must be passed to entries constructor.');
}
$this->datalynx = $datalynx;
$this->filter = $filter;
}
/**
* Populate the entries with content of the content table datalynx_contents. Gets the raw content
* for each field for the entry and sets the content in $this->_entries
* Performs entries count in order to display number of entries.
*
* @param array $options
* @throws coding_exception
* @throws dml_exception
*/
public function set_content(array $options = array()) {
if (isset($options['entriesset'])) {
$entriesset = $options['entriesset'];
} else {
if (!empty($options['user'])) {
$entriesset = $this->get_entries(array('search' => array('userid' => $options['user'])));
} else {
if (!optional_param('new', 0, PARAM_INT)) {
$entriesset = $this->get_entries($options);
}
}
}
$this->_entries = !empty($entriesset->entries) ? $entriesset->entries : array();
$this->_entriestotalcount = !empty($entriesset->max) ? $entriesset->max : count(
$this->_entries);
$this->_entriesfiltercount = !empty($entriesset->found) ? $entriesset->found : count(
$this->_entries);
}
/**
* retrieve all entries depending on the options passed and
* the permissions of the user viewing the view and other conditions
*
* @param array $options array of strings
* @return object retrieved entries
* @throws coding_exception
* @throws dml_exception
*/
public function get_entries($options = null) {
global $DB, $USER;
$datalynx = &$this->datalynx;
$fields = $datalynx->get_fields();
// Get the filter.
if (empty($options['filter'])) {
$filter = $this->filter;
} else {
if ($filter = $options['filter']) {
// When view is called by a datalynxview_field.
if (is_array($filter->users)) {
$optionsfilterusers = $filter->users[0];
}
if (is_array($filter->groups)) {
$optionsfiltergroups = $filter->groups[0];
}
$optionseids = $filter->eids;
}
}
// Filter sql.
list($filtertables, $wheresearch, $sortorder, $whatcontent, $filterparams, $datalynxcontent) = $filter->get_sql($fields);
// Named params array for the sql.
$params = array();
// USER filtering.
$whereuser = '';
if (isset($optionsfilterusers)) { // Datalynxview_field goes first.
$whereuser = " AND e.userid = :{$this->sqlparams($params, 'userid', $optionsfilterusers)} ";
} else {
if (!$datalynx->user_can_view_all_entries()) {
// Include only the user's entries.
$whereuser = " AND e.userid = :{$this->sqlparams($params, 'userid', $USER->id)} ";
} else {
// Specific users requested.
if (!empty($filter->users)) {
list($inusers, $userparams) = $DB->get_in_or_equal($filter->users, SQL_PARAMS_NAMED,
'users');
$whereuser .= " AND e.userid $inusers ";
$params = array_merge($params, array('users' => $userparams));
}
// Exclude guest/anonymous.
if (!has_capability('mod/datalynx:viewanonymousentry', $datalynx->context)) {
$whereuser .= " AND e.userid <> :{$this->sqlparams($params, 'guestid', 1)} ";
}
}
}
// GROUP filtering.
$wheregroup = '';
if (isset($optionsfiltergroups)) { // Datalynxview_field goes first.
$wheregroup = " AND e.groupid = :{$this->sqlparams($params, 'groupid', $optionsfiltergroups)} ";
} else {
if ($datalynx->currentgroup) {
$wheregroup = " AND e.groupid = :{$this->sqlparams($params, 'groupid', $datalynx->currentgroup)} ";
} else {
// Specific groups requested.
if (!empty($filter->groups)) {
list($ingroups, $groupparams) = $DB->get_in_or_equal($filter->groups,
SQL_PARAMS_NAMED, 'groups');
$whereuser .= " AND e.userid $ingroups ";
$params = array_merge($params, array('groups' => $groupparams));
}
}
}
// APPROVE filtering.
$whereapprove = '';
if ($datalynx->data->approval &&
!has_capability('mod/datalynx:manageentries', $datalynx->context)
) {
if (isloggedin()) {
$whereapprove = " AND (e.approved = :{$this->sqlparams($params, 'approved', 1)}
OR e.userid = :{$this->sqlparams($params, 'userid', $USER->id)}) ";
} else {
$whereapprove = " AND e.approved = :{$this->sqlparams($params, 'approved', 1)} ";
}
}
// STATUS filtering (visibility).
$wherestatus = '';
if (!has_capability('mod/datalynx:viewdrafts', $datalynx->context)) {
$wherestatus = " AND (e.status <> :{$this->sqlparams($params, 'status', datalynxfield__status::STATUS_DRAFT)}
OR e.userid = :{$this->sqlparams($params, 'userid', $USER->id)}) ";
}
// Sql for fetching the entries.
$userfields = fields::for_name()->including('idnumber', 'username', 'institution', 'department', 'email');
$selectfields = $userfields->get_sql('u', false, '', 'uid')->selects;
$what = ' DISTINCT ' .
// Entry.
' e.id, e.approved, e.timecreated, e.timemodified, e.userid, e.groupid, e.status ' .
// User.
$selectfields . ', ' .
// Group (TODO g.description AS groupdesc need to be varchar for MSSQL).
'g.name AS groupname, g.picture AS grouppic ' .
// Content (including ratings and comments if required).
$whatcontent;
$count = ' COUNT(e.id) ';
$tables = ' {datalynx_entries} e
JOIN {user} u ON u.id = e.userid
LEFT JOIN {groups} g ON g.id = e.groupid ';
$wheredfid = " e.dataid = :{$this->sqlparams($params, 'dataid', $datalynx->id())} ";
$whereoptions = '';
if (!empty($options['search'])) {
foreach ($options['search'] as $key => $val) {
$whereoptions .= " e.$key = :{$this->sqlparams($params, $key, $val)} ";
}
}
if (isset($optionseids)) { // Datalynxview_field's entry-ids as an additional filter.
// (= all entries which match the searched value).
$eids = explode(",", $optionseids);
list($ineids, $eidparams) = $DB->get_in_or_equal($eids, SQL_PARAMS_NAMED, 'eid');
$whereoptions = " AND e.id $ineids ";
$params = array_merge($params, array('eid' => $eidparams));
}
$fromsql = " $tables $filtertables ";
$wheresql = " $wheredfid $whereoptions $whereuser $wheregroup $whereapprove $wherestatus $wheresearch";
$sqlselect = "SELECT $what FROM $fromsql WHERE $wheresql $sortorder";
// Total number of entries the user is authorized to view (without additional filtering).
$sqlmax = "SELECT $count FROM $tables WHERE $wheredfid $whereoptions $whereuser $wheregroup $whereapprove $wherestatus";
// Number of entries in this particular view call (with filtering).
$sqlcount = "SELECT $count FROM $fromsql WHERE $wheresql";
// Base params + search params.
$baseparams = array();
foreach ($params as $paramset) {
$baseparams = array_merge($paramset, $baseparams);
}
$allparams = array_merge($baseparams, $filterparams);
// Count prospective entries.
if (empty($wheresearch)) {
$maxcount = $searchcount = $DB->count_records_sql($sqlmax, $baseparams);
} else {
if ($maxcount = $DB->count_records_sql($sqlmax, $baseparams)) {
$searchcount = $DB->count_records_sql($sqlcount, $allparams);
} else {
$searchcount = 0;
}
}
// Initialize returned object.
$entries = new stdClass();
$entries->max = $maxcount;
$entries->found = $searchcount;
$entries->entries = null;
if ($searchcount) {
// If specific entries requested (eids).
if (!empty($filter->eids) && !isset($optionseids)) {
$eids = explode(",", $filter->eids);
list($ineids, $eidparams) = $DB->get_in_or_equal($eids, SQL_PARAMS_NAMED, 'eid');
$andwhereeid = " AND e.id $ineids ";
$sqlselect = "SELECT $what $whatcontent
FROM $fromsql
WHERE $wheresql $andwhereeid $sortorder";
if ($entries->entries = $DB->get_records_sql($sqlselect, $allparams + $eidparams)) {
// If one entry was requested get its position.
if (!is_array($filter->eids) || count($filter->eids) == 1) {
$sqlselect = "$sqlcount AND e.id $ineids";
$eidposition = $DB->get_records_sql($sqlselect, $allparams + $eidparams);
$filter->page = key($eidposition) - 1;
}
}
// Get perpage subset.
} else {
$perpage = $filter->perpage;
if (!$filter->groupby && $perpage) {
// A random set (filter->selection == 1).
if (!empty($filter->selection)) {
// Get ids of found entries.
$sqlselect = "SELECT DISTINCT e.id FROM $fromsql WHERE $wheresql";
$entryids = $DB->get_records_sql($sqlselect, $allparams);
// Get a random subset of ids.
$randids = array_rand($entryids, min($perpage, count($entryids)));
// Get the entries.
list($insql, $paramids) = $DB->get_in_or_equal($randids, SQL_PARAMS_NAMED,
'rand');
$andwhereids = " AND e.id $insql ";
$sqlselect = "SELECT $what FROM $fromsql WHERE $wheresql $andwhereids";
$entries->entries = $DB->get_records_sql($sqlselect, $allparams + $paramids);
// By page.
} else {
$page = isset($filter->page) ? $filter->page : 0;
$numpages = $searchcount > $perpage ? ceil($searchcount / $perpage) : 1;
if (isset($filter->onpage)) {
// First page.
if ($filter->onpage == self::SELECT_FIRST_PAGE) {
$page = 0;
// Last page.
} else {
if ($filter->onpage == self::SELECT_LAST_PAGE) {
$page = $numpages - 1;
// Next page.
} else {
if ($filter->onpage == self::SELECT_NEXT_PAGE) {
$page = $filter->page = ($page % $numpages);
// Random page.
} else {
if ($filter->onpage == self::SELECT_RANDOM_PAGE) {
$page = $numpages > 1 ? rand(0, ($numpages - 1)) : 0;
}
}
}
}
}
$entries->entries = $DB->get_records_sql($sqlselect, $allparams, $page * $perpage, $perpage);
}
// Get everything.
} else {
$entries->entries = $DB->get_records_sql($sqlselect, $allparams);
}
}
// Now get the contents if required and add it to the entry objects.
if ($datalynxcontent && $entries->entries) {
// Get the node content of the requested entries.
list($fids, $fparams) = $DB->get_in_or_equal($datalynxcontent, SQL_PARAMS_NAMED);
list($eids, $eparams) = $DB->get_in_or_equal(array_keys($entries->entries),
SQL_PARAMS_NAMED);
$params = array_merge($eparams, $fparams);
$contents = $DB->get_records_select('datalynx_contents',
"entryid {$eids} AND fieldid {$fids}", $params);
// If we see multiple contents to one entry and field, build array with postfix _fieldgroup.
foreach ($contents as $contentid => $content) {
$entry = $entries->entries[$content->entryid];
// Create the contentid part.
$fieldid = $content->fieldid;
$varcontentid = "c{$fieldid}_id";
// If this has multiples we see a fieldgroup. Set as array and append.
if (isset($entry->{$varcontentid})) {
$varcontentids = "c{$fieldid}_id_fieldgroup";
$varcontentlineids = "c{$fieldid}_lineid_fieldgroup";
if (!isset($entry->{$varcontentids})) {
$entry->{$varcontentids} = array($entry->{$varcontentid});
$entry->{$varcontentlineids} = array(0); // TODO: We start with line 0, this is up for debate.
}
$entry->{$varcontentids}[] = $contentid;
$entry->{$varcontentlineids}[] = $content->lineid;
} else {
$entry->{$varcontentid} = $contentid; // Normal case, only one content item.
}
// Create the content part(s) as one field can have multiple content values.
foreach ($fields[$fieldid]->get_content_parts() as $part) {
$varpart = "c{$fieldid}_$part";
// If this already exists we see a fieldgroup. Set as array and append.
if (isset($entry->{$varpart})) {
$varparts = "c{$fieldid}_{$part}_fieldgroup";
if (!isset($entry->{$varparts})) {
$entry->{$varparts} = array($entry->{$varpart});
}
$entry->{$varparts}[] = $content->{$part};
} else {
$entry->{$varpart} = $content->{$part}; // Normal case, only one content item.
}
}
$entries->entries[$content->entryid] = $entry;
}
}
}
return $entries;
}
/**
* get all entries created by the user with $userid
*
* @param integer $userid the user id of the user who created the entry (or was assigned as author of the entry)
* @return object
* @throws coding_exception
* @throws dml_exception
*/
public function get_user_entries($userid = null) {
global $USER;
if (empty($userid)) {
$userid = $USER->id;
}
return $this->get_entries(array('search' => array('userid' => $userid)));
}
/**
* count number of entries
*
* @param boolean $filtered true for filtered only, false for total number of entries
* @return number
*/
public function get_count($filtered = false) {
if ($filtered) {
return $this->_entriesfiltercount;
} else {
return (!empty($this->_entries) ? count($this->_entries) : 0);
}
}
/**
* return entries
*
* @return array:
*/
public function entries() {
return $this->_entries;
}
/**
* Retrieves stored files which are embedded in the current content
* set_content must have been called
*
* @param array $fids
* @return array of stored files
* @throws coding_exception
*/
public function get_embedded_files(array $fids) {
$files = array();
if (!empty($fids) && !empty($this->_entries)) {
$fs = get_file_storage();
foreach ($this->_entries as $entry) {
foreach ($fids as $fieldid) {
// Get the content id of the requested field.
$contentid = isset($entry->{"c{$fieldid}_id"}) ? $entry->{"c{$fieldid}_id"} : null;
// The field may not hold any content.
if ($contentid) {
// Retrieve the files (no dirs) from file area.
// TODO for Picture fields this does not distinguish between the images and their thumbs.
// But the view may not necessarily display both.
$files = array_merge($files,
$fs->get_area_files($this->datalynx->context->id, 'mod_datalynx',
'content', $contentid,
'sortorder, itemid, filepath, filename', false));
}
}
}
}
return $files;
}
/**
* Returns an array of objects indexed by contentid.
* entryid, fieldid, userid, firstname, lastname.
*
*
* @param array $fids
* @return array int[]
*/
public function get_contentinfo(array $fids) {
$contentinfo = array();
if (!empty($fids) && !empty($this->_entries)) {
foreach ($this->_entries as $entry) {
foreach ($fids as $fieldid) {
$contentid = isset($entry->{"c{$fieldid}_id"}) ? $entry->{"c{$fieldid}_id"} : null;
if ($contentid) {
$contentobject = new stdClass();
$contentobject->entryid = $entry->id;
$contentobject->fid = $fieldid;
$contentobject->userid = $entry->uid;
$contentobject->lastname = $entry->lastname;
$contentobject->firstname = $entry->firstname;
$contentinfo[$contentid] = $contentobject;
}
}
}
}
return $contentinfo;
}
/**
* Process entries when after editing content for saving into db
*
* @param string $action
* @param string $eids
* @param null $data
* @param bool $confirmed
* @return array notificationstrings, list of processed ids
*/
public function process_entries(string $action, $eids, $data = null, bool $confirmed = false): array {
global $DB, $USER, $OUTPUT, $PAGE;
$dl = $this->datalynx;
$errorstring = '';
$entries = [];
// Some entries may be specified for action.
if ($eids) {
$importentryids = [];
// Adding or updating entries.
if ($action == 'update') {
if (!is_array($eids)) {
// Adding new entries.
if ((int)$eids < 0) {
$eids = array_reverse(range($eids, -1));
// Editing existing entries.
} else {
$eids = explode(',', $eids);
}
}
// TODO Prepare counters for adding new entries.
$addcount = 0;
$addmax = $dl->data->maxentries;
$perinterval = ($dl->data->intervalcount > 1);
if ($addmax != -1 && has_capability('mod/datalynx:manageentries', $dl->context)) {
$addmax = -1;
} else {
if ($addmax != -1) {
$addmax = max(0, $addmax - $dl->user_num_entries($perinterval));
}
}
// Prepare the entries to process.
foreach ($eids as $eid) {
$entry = new stdClass();
// Existing entry from view.
if ($eid > 0 && isset($this->_entries[$eid])) {
$entries[$eid] = $this->_entries[$eid];
// TODO existing entry *not* from view (import).
} else {
if ($eid > 0) {
$importentryids[] = $eid;
// New entries $eid is the number of new entries.
} else {
if ($eid < 0) {
$addcount++;
if ($addmax == -1 || $addmax >= $addcount) {
$entry->id = 0;
$entry->groupid = $dl->currentgroup;
$entry->userid = $USER->id;
$entries[$eid] = $entry;
}
}
}
}
}
// All other types of processing must refer to specific entry ids.
} else {
$entries = $DB->get_records_select('datalynx_entries', "dataid = ? AND id IN ($eids)", array($dl->id()));
}
if (!empty($importentryids)) {
$filterdata = array('dataid' => $dl->id(), 'eids' => $importentryids);
$filter = new datalynx_filter((object) $filterdata);
$entries += $this->get_entries(array('filter' => $filter))->entries;
}
if ($entries) {
foreach ($entries as $eid => $entry) {
// Filter approvable entries.
if (($action == 'approve' || $action == 'disapprove') &&
!has_capability('mod/datalynx:approve', $dl->context)
) {
unset($entries[$eid]);
$capname = get_string('datalynx:approve', 'mod_datalynx');
$errorstring .= get_string('missingrequiredcapability', 'webservice', $capname);
$errorstring .= get_string('affectedid', 'mod_datalynx', $eid) . '<br>';
// Filter managable entries.
} else {
if (!$dl->user_can_manage_entry($entry)) {
unset($entries[$eid]);
$capname = get_string('updateentry', 'mod_datalynx');
$errorstring .= get_string('missingrequiredcapability', 'webservice', $capname);
$errorstring .= get_string('affectedid', 'mod_datalynx', $eid) . '<br>';
}
}
}
}
}
if (empty($entries)) {
return array(get_string("entrynoneforaction", 'datalynx') . '<br>' . $errorstring, '');
} else {
if (!$confirmed) {
// Print a confirmation page.
echo $OUTPUT->header();
echo $OUTPUT->confirm(
get_string("entriesconfirm$action", 'datalynx', count($entries)),
new moodle_url($PAGE->url,
array($action => implode(',', array_keys($entries)),
'sesskey' => sesskey(), 'confirmed' => true,
'sourceview' => optional_param('sourceview', null, PARAM_INT)
)), new moodle_url($PAGE->url));
echo $OUTPUT->footer();
exit(0);
} else {
$processed = array();
$completiontype = COMPLETION_UNKNOWN;
$strnotify = '';
switch ($action) {
case 'update':
$completiontype = COMPLETION_UNKNOWN;
$strnotify = 'entriesupdated';
if (!is_null($data)) {
$fields = $dl->get_fields();
// First parse the data to collate content in an array for each recognized field.
$contents = array_fill_keys(array_keys($entries),
array('info' => array(), 'fields' => array()
));
$entryinfo = array(datalynxfield__entry::_ENTRY,
datalynxfield__time::_TIMECREATED,
datalynxfield__time::_TIMEMODIFIED,
datalynxfield__approve::_APPROVED,
datalynxfield_entryauthor::_USERID,
datalynxfield_entryauthor::_USERNAME,
datalynxfield_entrygroup::_GROUP,
datalynxfield__status::_STATUS
);
$skipnotification = array();
$drafttofinal = array();
// Iterate the data and extract entry and fields content.
foreach ($data as $name => $value) {
// Assuming only field names contain field_.
if (strpos($name, 'field_') !== false) {
// If we don't see the iterator we are backwards compatible and fill with null.
list(, $fieldid, $entryid, $iterator, $other) = array_pad(explode('_', $name, 5), 5, null);
// Important, url appends _url, so only iterator if number.
// TODO: This should be fixed in url, use an array to store _url and _alt, normalise that.
if (!is_numeric($iterator)) {
$iterator = null;
} else {
$iterator = intval($iterator);
}
if (array_key_exists($fieldid, $fields)) {
$field = $fields[$fieldid];
} else {
continue;
}
// Entry info.
if (in_array($fieldid, $entryinfo)) {
// TODO.
if ($fieldid == datalynxfield_entryauthor::_USERID ||
$fieldid == datalynxfield_entryauthor::_USERNAME
) {
$entryvar = 'userid';
} else {
$entryvar = $field->get_internalname();
}
if ($fieldid == datalynxfield__status::_STATUS &&
$value == datalynxfield__status::STATUS_DRAFT
) {
$skipnotification[] = $entryid;
}
if ($fieldid == datalynxfield__status::_STATUS &&
$value == datalynxfield__status::STATUS_FINAL_SUBMISSION &&
isset($entry->status) &&
$entry->status == datalynxfield__status::STATUS_DRAFT
) {
$drafttofinal[] = $entryid;
}
$contents[$entryid]['info'][$entryvar] = $value;
// Entry content.
} else {
if (!array_key_exists($fieldid,
$contents[$entryid]['fields'])
) {
$contents[$entryid]['fields'][$fieldid] = $field->get_content_from_data(
$entryid, $data);
}
}
}
}
$firstentryid = min(array_keys($contents));
$bulkeditfields = array();
foreach ($contents[$firstentryid]['fields'] as $fieldid => $value) {
if (optional_param("field_{$fieldid}_bulkedit", 0, PARAM_BOOL)) {
$bulkeditfields[] = $fieldid;
}
}
$newcontents = array();
foreach ($contents as $entryid => $oldcontent) {
$newcontents[$entryid] = array();
if ($entryid != $firstentryid) {
$newcontents[$entryid]['info'] = $oldcontent['info'];
$newfields = array();
foreach ($contents[$entryid]['fields'] as $fieldid => $value) {
if (array_search($fieldid, $bulkeditfields) !== false) {
$newfields[$fieldid] = $contents[$firstentryid]['fields'][$fieldid];
} else {
if (array_key_exists($fieldid, $oldcontent['fields'])) {
// If no values are updated just copy old values.
$newfields[$fieldid] = $oldcontent['fields'][$fieldid];
}
}
}
$newcontents[$entryid]['fields'] = $newfields;
} else {
$newcontents[$entryid] = $oldcontent;
}
}
$contents = $newcontents;
// Now update entry and contents TODO: TEAM_CHANGED - check this!
$addorupdate = '';
foreach ($entries as $eid => $entry) {
if ($eid > 0) {
if (isset($contents[$eid]['info']['status'])) {
$entrystatus = $DB->get_field('datalynx_entries', 'status', array('id' => $eid), 'MUST_EXIST'); // Find current state of entry in db.
require_once('field/_status/field_class.php');
if ($entrystatus == datalynxfield__status::STATUS_FINAL_SUBMISSION
&& !has_capability('mod/datalynx:manageentries', $this->datalynx->context)) {
continue; // Check user has capacity & status is final. If stop update.
}
}
}
if ($entry->id = $this->update_entry($entry, $contents[$eid]['info'])) {
$emptycontent = array(); // Array with lines and deleted contentids.
$countfgfields = 0; // Store how many fields exist per line.
// Variable $eid should be different from $entryid only in new entries.
// Iterate through all the fields part of an entry and a fieldgroup. Field by field.
foreach ($contents[$eid]['fields'] as $fieldid => $content) {
// If we see a fieldgroup we split and reset the content.
$fieldgroup = array_search(true, $content);
if (strpos($fieldgroup, "fieldgroup") === 0) {
$countfgfields++;
// TODO: Rewrite this for fieldgroup_id instead of fieldgroup. Use $fieldgroup.
// How many lines were visible to the user, store only those.
$fieldname = "field_{$fieldid}_{$eid}";
// Split $content and generate temporary content.
// Look for all content_names like _url or _alt.
$tempcontent = array();
foreach ($content as $key => $value) {
// Only add keys that start with our expected pattern to tempcontent.
// Pattern of submitted field content.
if (strpos($key, 'fieldgroup_') === 0) {
continue;
}
// Skip _alt from url, this does corrupt updating.
if (!substr_compare($key, "_alt", -4, 4)) {
continue;
}
$getlinenumber = explode("_", $key);
// Line number is the 6th element of the array.
$i = $getlinenumber[5];
$fieldcontentpattern = "{$fieldname}_{$fieldgroup}_{$i}";
if (0 === strpos($key, $fieldcontentpattern)) {
// If we found sth. relevant, split it up and rebuild key.
// Either it has content_name after the iterator or not.
$contentname = explode("{$fieldcontentpattern}_", $key);
if (isset($contentname[1])) {
$tempcontent[$contentname[1]] = $value; // No need for fieldname.
} else {
$tempcontent[$fieldname] = $value;
}
}
// We know this is a fieldgroup but there is only one line set.
if (!isset($entry->{"c{$fieldid}_id_fieldgroup"})
&& isset($entry->{"c{$fieldid}_id"})) {
$entry->{"c{$fieldid}_id_fieldgroup"}[0] = $entry->{"c{$fieldid}_id"};
}
// Split $entry and overwrite entry content.
$entry->{"c{$fieldid}_id"} = $entry->{"c{$fieldid}_content"} = null;
if (isset($entry->{"c{$fieldid}_id_fieldgroup"}[$i])) {
$entry->{"c{$fieldid}_id"} = $entry->{"c{$fieldid}_id_fieldgroup"}[$i];
}
if (isset($entry->{"c{$fieldid}_content_fieldgroup"}[$i])) {
$entry->{"c{$fieldid}_content"} =
$entry->{"c{$fieldid}_content_fieldgroup"}[$i];
}
/* Loop all fields like _content1 and _content2.
TODO: Test this. And rewrite in order to avoid loops. Define what content is
used in the field class. */
for ($j = 1; $j <= 4; $j++) {
if (isset($entry->{"c{$fieldid}_content{$j}_fieldgroup"}[$i])) {
$entry->{"c{$fieldid}_content{$j}"} =
$entry->{"c{$fieldid}_content{$j}_fieldgroup"}[$i];
}
}
// Pass tempstuff to updatecontent.
// TODO: This relies on the correctness of the field classes update content.
$newcontentid = $fields[$fieldid]->update_content($entry, $tempcontent);
// In case this field has no content mark and check deletion later.
// TODO: Needs to be extended for all field classes in function.
if ($fields[$fieldid]->is_fieldvalue_empty($value)) {
if (isset($entry->{"c{$fieldid}_id_fieldgroup"}[$i])) {
$emptycontent[$i][] = $entry->{"c{$fieldid}_id_fieldgroup"}[$i];
} else {
$emptycontent[$i][] = $newcontentid;
}
}
}
} else {
// Keep behaviour if no fieldgroup is detected.
$fields[$fieldid]->update_content($entry, $content);
}
}
// Remove contentids that we have collected.
if ($emptycontent) {
$deletedcontentids = array();
foreach ($emptycontent as $line => $contentids) {
// Check if every field is empty, only then remove line.
if (count($contentids) != $countfgfields) {
continue;
}
$deletedcontentids = array_merge($deletedcontentids, $contentids);
}
if ($deletedcontentids) {
$in = implode(',', $deletedcontentids);
$DB->delete_records_select('datalynx_contents', "id IN ($in)"); // TESTING.
}
}
$processed[$entry->id] = $entry;
if (!$addorupdate) {
$addorupdate = $eid < 0 ? 'added' : 'updated';
}
}
}
if ($processed) {
$eventdata = (object) array('items' => $processed);
$dl->events_trigger("entry$addorupdate", $eventdata);
}
}
break;
case 'duplicate':
$completiontype = COMPLETION_COMPLETE;
foreach ($entries as $entry) {
// Can user add anymore entries?
if (!$dl->user_can_manage_entry()) {
// TODO: notify something.
break;
}
// Get content of entry to duplicate.
$contents = $DB->get_records('datalynx_contents', array('entryid' => $entry->id));
// Add a duplicated entry and content.
$newentry = $entry;
$newentry->userid = $USER->id;
$newentry->dataid = $dl->id();
$newentry->groupid = $dl->currentgroup;
$newentry->timecreated = $newentry->timemodified = time();
if ($dl->data->approval &&
!has_capability('mod/datalynx:approve', $dl->context)
) {
$newentry->approved = 0;
}
$newentry->id = $DB->insert_record('datalynx_entries', $newentry);
foreach ($contents as $content) {
$newcontent = $content;
$newcontent->entryid = $newentry->id;
if (!$DB->insert_record('datalynx_contents', $newcontent)) {
throw new moodle_exception('cannotinsertrecord', null, null,
$newentry->id);
}
}
$processed[$newentry->id] = $newentry;
}
if ($processed) {
$eventdata = (object) array('items' => $processed);
$dl->events_trigger("entryadded", $eventdata);
}
$strnotify = 'entriesduplicated';
break;
case 'approve':
$completiontype = COMPLETION_COMPLETE;
// Approvable entries should be filtered above.
$entryids = array_keys($entries);
$ids = implode(',', $entryids);
$DB->set_field_select('datalynx_entries', 'approved', 1,
" dataid = ? AND id IN ($ids) ", array($dl->id()));
$processed = $entries;
$processed += $this->create_approved_entries_for_team($entryids);
if ($processed) {
$eventdata = (object) array('items' => $processed);
$dl->events_trigger("entryapproved", $eventdata);
}
$strnotify = 'entriesapproved';
break;
case 'disapprove':
$completiontype = COMPLETION_COMPLETE;
// Disapprovable entries should be filtered above.
$entryids = array_keys($entries);
$ids = implode(',', $entryids);
$DB->set_field_select('datalynx_entries', 'approved', 0,
" dataid = ? AND id IN ($ids) ", array($dl->id()));
$processed = $entries;
if ($processed) {
$eventdata = (object) array('items' => $processed);
$dl->events_trigger("entrydisapproved", $eventdata);
}
$strnotify = 'entriesdisapproved';
break;
case 'delete':
$completiontype = COMPLETION_INCOMPLETE;
// Deletable entries should be filtered above.
foreach ($entries as $entry) {
$fields = $dl->get_fields();
foreach ($fields as $field) {
$field->delete_content($entry->id);
}
$DB->delete_records('datalynx_entries', array('id' => $entry->id));
$processed[$entry->id] = $entry;
}
if ($processed) {
$eventdata = (object) array('items' => $processed);
$dl->events_trigger("entrydeleted", $eventdata);
}
$strnotify = 'entriesdeleted';
break;
default:
break;
}
if ($processed) {
// Update completion state.
$completion = new completion_info($dl->course);
if ($completion->is_enabled($dl->cm) &&
$dl->cm->completion == COMPLETION_TRACKING_AUTOMATIC &&
$dl->data->completionentries
) {
foreach ($processed as $entry) {
$completion->update_state($dl->cm, $completiontype, $entry->userid);
}
}