343 lines
12 KiB
PHP
343 lines
12 KiB
PHP
<?php
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/**
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* @file
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* Functions for calculating leaders and helpers for discussion groups
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*/
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/**
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* Function for calculating and assigning leaders and helpers to active study group sessions
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*/
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function booking_studygroups_leaders_calculate() {
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global $event;
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$calculation_messages = array();
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//get a randomly ordered list of people to work with
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$people = _booking_shuffle_assoc(_booking_studygroups_retrieve_eligible_people());
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//get details of the study groups
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$groups = _booking_studygroups_retrieve_groups();
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//loop through the list of people
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foreach ($people as $person)
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{
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$age = _booking_get_age_years($person->booking_dob);
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$calculation_messages[] = t('Processing eligible Leader/helper with id !id and age !age',
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array('!id' => $person->nid, '!age' => $age)
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);
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foreach ($groups as $studygroup)
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{
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//watchdog('booking_debug', "<pre>Study Group Element\n@info</pre>", array('@info' => print_r( $studygroup, true)));
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if ($age >= 22 && $studygroup->leader_nid == 0)
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{
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$studygroup->leader_nid = $person->nid;
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$calculation_messages[] = t("Study Group Assignment as leader for nid !nid to group !descrip at session id !sid",
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array('!nid' => $person->nid, '!descrip' => $studygroup->booking_studygroup_descrip, '!sid' => $studygroup->session_id, '@info' => print_r( $studygroup, true)));
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break;
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}
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elseif ($age < 22 && $studygroup->helper_nid == 0)
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{
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$studygroup->helper_nid = $person->nid;
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$calculation_messages[] = t("Study Group Assignment as helper for nid !nid to group !descrip at session id !sid",
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array('!nid' => $person->nid, '!descrip' => $studygroup->booking_studygroup_descrip, '!sid' => $studygroup->session_id, '@info' => print_r( $studygroup, true)));
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break;
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}
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}
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//if someone is 22 or over, they're a leader
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//$next_group_index = $groups[_booking_get_next_studygroup('leader_nid', $groups)];
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//$groups[$next_group_index]->leader_nid = $person->nid;
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//if someone is under 22, they're a helper
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//left over people become a reserve leader
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}
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watchdog('booking', "<pre>Study Group Leader/Helper calculation\n" . implode("\n", $calculation_messages) . "</pre>");
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//input the data to the database
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}
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function _booking_get_next_studygroup($type, $studygroups) {
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$count = count($studygroups) - 1;
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for ($i = 0; $i < $count; $i++)
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{
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$group = $studygroups[$i];
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$leader = $group->leader_nid;
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//watchdog('booking_debug', "<pre>Study Group Element at index $i:\n@info</pre>", array('@info' => print_r( $group, true)));
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//watchdog('booking_debug', "<pre>Study Group Leader NID at index $i:\n@info</pre>", array('@info' => var_dump($group)));
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if ($leader == 0)
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{
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return $i;
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}
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}
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}
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/**
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* Function for
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*/
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function _booking_studygroups_retrieve_eligible_people() {
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global $event;
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$attendees = array();
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//select males that are booked in
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$query = db_select('booking_person', 'p');
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$db_and = db_and();
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$db_and->condition('p.booking_eventid', $event->eid, '=');
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$db_and->condition('p.booking_gender', 'M', '=');
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$db_and->condition('p.booking_status', 1, '=');
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$query->condition($db_and);
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$query->fields('p');
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$bookedin_result = $query->execute();
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//iterate over the attendee associative array and add some fields
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foreach ($bookedin_result as $person)
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{
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$person->processed = 0;
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$person->leading = array();
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$person->helping = array();
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$person->reserve_leading = array();
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$attendees[] = $person;
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}
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//select males that are on the waiting list up to position number 100
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$result2 = db_query('SELECT DISTINCT nid, booking_firstname, booking_lastname, booking_state, booking_readinggroup, booking_country, booking_status, booking_dob, booking_gender
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FROM (
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SELECT p.nid, p.booking_firstname, p.booking_lastname, p.booking_state, p.booking_country, p.booking_readinggroup, pay.booking_payment_date, p.booking_status, p.booking_gender, p.booking_dob
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FROM {booking_person} p, {booking_payment} pay
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WHERE booking_eventid = :eid and p.nid = pay.booking_person_nid and ( booking_status = 2 or booking_status = 4)
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LIMIT 100
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) AS booking
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WHERE booking_gender = \'M\'
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ORDER BY booking_status, booking_payment_date',
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array(':eid' => $event->eid));
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//iterate over the attendee associative array and add some fields
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foreach ($result2 as $person)
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{
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$person->processed = 0;
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$person->leading = array();
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$person->helping = array();
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$person->reserve_leading = array();
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$attendees[] = $person;
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}
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//watchdog('booking', "<pre>Eligible Leaders/Helpers List:\n@info</pre>", array('@info' => print_r( $attendees, true)));
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return $attendees;
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}
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/**
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* Function for
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*/
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function _booking_studygroups_retrieve_groups() {
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global $event;
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$groups = array();
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//select all the study groups for this event id
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$studygroup = db_query("SELECT * FROM {booking_studygroup_list} WHERE booking_eventid = :eid", array(':eid' => $event->eid));
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$group_mapping = $studygroup->fetchAllAssoc('sid');
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//select the number of study group sessions
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//assume they all have the same number of sessions
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//$num_sessions = $studygroup->booking_num_group_sessions;
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foreach ($group_mapping as $group)
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{
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//watchdog('booking_debug', "<pre>Study Group Element:\n@info</pre>", array('@info' => print_r( $group, true)));
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for ($i = 1; $i <= 16; $i++)
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{
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$new_group = clone $group;
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$new_group->session_id = $i;
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$new_group->leader_nid = 0;
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$new_group->helper_nid = 0;
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$new_group->reserve_nid = 0;
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$new_group->processed = 0;
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$groups[] = $new_group;
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}
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}
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//watchdog('booking', "<pre>Study Group Sessions:\n@info</pre>", array('@info' => print_r( $groups, true)));
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return $groups;
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}
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/**
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* autocomplete helper to look up names for room allocations
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* based on https://www.drupal.org/node/854216
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* $string = string for search
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*/
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function _booking_studygroups_name_autocomplete($string) {
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global $event;
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$matches = array();
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$query = db_select('booking_person', 'p')
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->fields('p', array('nid', 'booking_firstname', 'booking_lastname'));
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$db_or = db_or()->condition('p.booking_lastname', '%' . db_like($string) . '%', 'LIKE')->condition('p.booking_firstname', '%' . db_like($string) . '%', 'LIKE');
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$db_and = db_and()->condition($db_or)->condition('p.booking_eventid', $event->eid, '=');
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$result = $query->condition($db_and)
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->execute();
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// save the query to matches
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foreach ($result as $row) {
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$name = $row->booking_lastname . ', ' . $row->booking_firstname . ' [' . $row->nid . ']';
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$matches[$name] = $name;
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}
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// Return the result to the form in json
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drupal_json_output($matches);
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}
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/**
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* Function to allow admin to edit leaders and helpers for a study group
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*/
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function booking_studygroup_leadhelp_edit_form($node, &$form_state, $group_id) {
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global $event;
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//verify that $group_id is a number
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if (! preg_match('/^[0-9]+$/', $group_id)) {
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drupal_set_message("Error: Invalid study group ID '" . $group_id . "' supplied. Unable to edit group leaders and helpers.", 'error', FALSE);
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drupal_goto('admin/booking/studygroups');
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return "";
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}
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//try to select the study group for this $group_id
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$studygroup = db_query("SELECT * FROM {booking_studygroup_list} WHERE sid = :sid", array(':sid' => $group_id))
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->fetchObject();
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if (! $studygroup) {
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drupal_set_message("Error: Could not find matching study group ID. Unable to edit leaders/helpers.", 'error', FALSE);
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drupal_goto('admin/booking/studygroups');
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return "";
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}
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$prefix = t("<h2>Study Group ‐ !descrip</h2><p>Edit leaders and helpers for this group.</p>",
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array('!descrip' => $studygroup->booking_studygroup_descrip));
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//define the table header
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$header = array (
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'sid' => array('data' => t('Study Group Session ID'), 'field' => 'sid'),
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'booking_assign_leader' => array('data' => t('Leader')),
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'booking_assign_helper' => array('data' => t('Helper')),
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'booking_assign_reserveleader' => array('data' => t('Reserve Leader')),
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);
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//attach the custom css
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$form['#attached']['css'] = array(
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drupal_get_path('module', 'booking') . '/booking.css',
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);
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//create the container element for the whole table
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$form['studygroups'] = array(
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'#prefix' => '<div id="studygroups">',
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'#suffix' => '</div>',
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'#tree' => TRUE,
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'#theme' => 'table',
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'#header' => $header,
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'#rows' => array(),
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);
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//define the default fields in a table row
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$default_row = array();
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$default_row['sid'] = "";
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$default_row['booking_studygroup_leader'] = "";
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$default_row['booking_studygroup_helper'] = "";
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$default_row['booking_studygroup_reserveleader'] = "";
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//get the list of study group session memberships
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$session_members_query = db_query("SELECT m.*, p.* FROM {booking_studygroup_mapping} m
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inner join {booking_person} p on p.nid = m.booking_node_id
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WHERE m.booking_studygroup_id = :gid AND m.booking_studygroup_role > 0",
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array(':gid' => $group_id));
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$session_members = $session_members_query->fetchAllAssoc('booking_node_id');
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//create an array representing the existing leaders/helpers for this group
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$existing_leaders = array();
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foreach ($session_members as $person) {
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$existing_leaders[$person->booking_session_id][$person->booking_studygroup_role] = $person->booking_lastname
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. ', ' . $person->booking_firstname . ' [' . $person->booking_nodeid . ']';
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}
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//create the rows for the individual sessions (instances really) of this study group
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for ($i = 0; $i < $studygroup->booking_num_group_sessions; $i++) {
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$leader = array (
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'#id' => 'booking-studygroup-leader-' . $i,
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'#type' => 'textfield',
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'#title' => 'Name',
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'#title_display' => 'invisible',
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'#name' => 'booking_studygroup_leader[' . $i . ']',
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'#size' => 100,
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'#autocomplete_path' => 'booking/studygroups/autocomplete',
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'#value' => (!empty($existing_leaders[$i][1])) ? $existing_leaders[$i][1] : '',
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'#attributes' => array('style' => array('width:200px')),
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);
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$helper = array (
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'#id' => 'booking-studygroup-helper-' . $i,
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'#type' => 'textfield',
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'#title' => 'Name',
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'#title_display' => 'invisible',
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'#name' => 'booking_studygroup_helper[' . $i . ']',
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'#size' => 100,
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'#autocomplete_path' => 'booking/studygroups/autocomplete',
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'#value' => (!empty($existing_leaders[$i][2])) ? $existing_leaders[$i][2] : '',
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'#attributes' => array('style' => array('width:200px')),
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);
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$reserveleader = array (
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'#id' => 'booking-studygroup-reserveleader-' . $i,
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'#type' => 'textfield',
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'#title' => 'Name',
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'#title_display' => 'invisible',
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'#name' => 'booking_studygroup_reserveleader[' . $i . ']',
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'#size' => 100,
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'#autocomplete_path' => 'booking/studygroups/autocomplete',
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'#value' => (!empty($existing_leaders[$i][3])) ? $existing_leaders[$i][3] : '',
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'#attributes' => array('style' => array('width:200px')),
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);
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$form['studygroups'][$i] = array(
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'booking-studygroup-leader' => &$leader,
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'booking-studygroup-helper' => &$helper,
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'booking-studygroup-reserveleader' => &$reserveleader,
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);
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$new_row = array();
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$new_row['sid'] = $i;
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$new_row['booking_studygroup_leader'] = array('data' => &$leader);
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$new_row['booking_studygroup_helper'] = array('data' => &$helper);
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$new_row['booking_studygroup_reserveleader'] = array('data' => &$reserveleader);
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$form['studygroups']['#rows'][$i] = $new_row;
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unset($leader);
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unset($helper);
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unset($reserveleader);
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}
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//close out the form
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$form['submit'] = array (
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'#type' => 'submit',
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'#value' => t('Submit'),
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);
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return array (
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'form' => $form,
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);
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} |