<?php
namespace local_treestudyplan\form;
use local_treestudyplan\aggregator;
use local_treestudyplan\studyplan;
use local_treestudyplan\studyplanpage;
use local_treestudyplan\courseservice;
use local_treestudyplan\form\text_integer;
use local_treestudyplan\local\helpers\webservicehelper;
use local_treestudyplan\studyplanservice;
use moodle_exception;
use stdClass;
/**
* Moodleform class for the studyplan editor. A Moodleform is used here to facilitate a rich editor
* in the studyplan description
*/
class studyplanpage_editform extends formbase {
/**
* Capability required to edit study plans
* @var string
*/
const CAP_EDIT = "local/treestudyplan:editstudyplan";
/**
* Translate parameters into customdata.
*
* @param object $params The parameters for form initialization
* @return array Form data based on parameters
*/
public static function init_customdata(object $params) {
$customdata = new stdClass;
$customdata->create = $params->mode=='create'?true:false;
if($customdata->create){
$customdata->plan = studyplan::find_by_id($params->studyplan_id);
} else {
$customdata->page = studyplanpage::find_by_id($params->page_id);
$customdata->plan = $customdata->page->studyplan();
$customdata->simplemodel = $customdata->page->simple_model();
}
$customdata->context = $customdata->plan->context();
$customdata->editoroptions = [
'trusttext' => true,
'subdirs' => true,
'maxfiles' => 20,
'maxbytes' => 20*1024*1024,
'context' => \context_system::instance(), // Keep the files in system context
];
$customdata->fileoptions = [
'subdirs' => 0,
'maxbytes' => 10*1024*1024, // Max 10MiB should be sufficient for a picture.
'areamaxbytes' => 10485760,
'maxfiles' => 1, // Just one file
'accepted_types' => ['.jpg', '.png'],
'return_types' => FILE_INTERNAL | FILE_EXTERNAL,
];
return $customdata;
}
/**
* Validate security access for this form based on the customdata generated by init_customdata
* Return true if validation passes, false or throw an exception if it does not.
*
* @param object $customdata The customdata for this form
* @return bool True if security validation passes.
* @throws \moodle_exception if access denied for a specific reason.
*/
public static function check_security(object $customdata) {
/*webservicehelper::require_capabilities(self::CAP_EDIT,$customdata->context); */
}
/**
* Generate form data from parameters
* Also validate parameters and access permissions here
*
* @param object $customdata The parameters for form initialization
* @return array Form data based on parameters
*/
public function init_formdata(object $customdata) {
global $DB;
/* Use direct database retrieval to avoid our abstractions causing trouble
with existing moodle code assumptions.
The form API does seem needlessly convoluted in it's use, but we need the editor...
*/
if($customdata->create) {
$plan = $customdata->plan;
$entry = new stdClass;
$entry->studyplan_id = $plan->id();
// By default, make the start date of a new page, continue 1 day after the last page's start date;
$otherpages = $plan->pages();
if(count($otherpages) > 0){
$lastpage = $otherpages[count($otherpages) -1];
// Propose 1 year after the last page's start date, if no end date is set.
if ($lastpage->enddate(false) == null) {
$entry->startdate = $lastpage->startdate()->add(new \DateInterval("P1Y"))->format("U");
} else {
// Otherwise, propose 1 day after the last page's end date
$entry->startdate = $lastpage->enddate()->add(new \DateInterval("P1D"))->format("U");
}
} else {
// Determine the next august 1st for default value purposes. Only if no other page is available
$august = strtotime("first day of august this year");
if($august < time()) {
$august = strtotime("first day of august next year");
}
$entry->startdate = $august;
}
$entry->enddate = $entry->startdate + (364*24*60*60); // Not bothering about leap years here.
$entry->periods = 4;
} else {
$entry = $DB->get_record(studyplanpage::TABLE, ['id' => $customdata->page->id()]);
$entry->startdate = strtotime($entry->startdate);
$entry->enddate = strtotime($entry->enddate);
}
// Prepare the editor
$entry = file_prepare_standard_editor( $entry,
'description',
$customdata->editoroptions,
\context_system::instance(),
'local_treestudyplan',
'studyplanpage',
($customdata->create)?null:$customdata->page->id()
);
return $entry;
}
/**
* Set up the form definition
*/
public function definition() {
$mform = $this->_form;
$customdata = (object)$this->_customdata;
// Register integer type
text_integer::Register();
// Define the form
$field = 'fullname';
$mform->addElement('text',$field,
get_string('studyplan_name','local_treestudyplan'),
[]);
$mform->addRule($field, null, 'required', null, 'client');
$field = 'shortname';
$mform->addElement('text',$field,
get_string('studyplan_shortname','local_treestudyplan'),
[]);
$mform->addRule($field, null, 'required', null, 'client');
$field = 'startdate';
$mform->addElement('date_selector',$field,
get_string('studyplan_startdate','local_treestudyplan'),
[]);
$mform->addRule($field, null, 'required', null, 'client');
$field = 'enddate';
$mform->addElement('date_selector',$field,
get_string('studyplan_startdate','local_treestudyplan'),
[]);
$mform->addRule($field, null, 'required', null, 'client');
$field = 'periods';
$mform->addElement('text_integer',$field,
get_string('studyplan_slots','local_treestudyplan'),
["unsigned" => true, "nonzero" => true]);
$mform->setType($field, PARAM_INT);
$mform->addRule($field, null, 'required', null, 'client');
$field = 'description_editor';
$mform->addElement('editor', $field,
get_string('studyplan_description', 'local_treestudyplan'),
null,
$customdata->editoroptions);
$mform->setType($field, PARAM_RAW);
}
/**
* Process the submitted data and perform necessary actions
* @param object $entry The processed form data;
* @return bool false if submission not successful
* @throws \moodle_exception if an error must be given for a specific reason.
*/
protected function process_submitted_data($entry) {
$customdata = (object)$this->_customdata;
if($customdata->create) {
// Use our own abstraction to update the record, so caches are maintained
$page = studyplanpage::add(['fullname' => $entry->fullname,
'shortname' => $entry->shortname,
'startdate' => date("Y-m-d",$entry->startdate),
'enddate' => date("Y-m-d",$entry->enddate),
'periods' => $entry->periods,
'studyplan_id' => $customdata->plan->id(),
]);
// Process the provided files in the description editor
$entry = file_postupdate_standard_editor($entry,
'description',
$customdata->editoroptions,
\context_system::instance(),
'local_treestudyplan',
'studyplan',
$page->id());
// Update the description
$page->edit([
'description' => $entry->description,
'descriptionformat' => $entry->descriptionformat,
]);
} else {
$page = $customdata->page;
// Process the provided files in the description editor
$entry = file_postupdate_standard_editor($entry,
'description',
$customdata->editoroptions,
\context_system::instance(),
'local_treestudyplan',
'studyplanpage',
$page->id());
// Use our own abstraction to update the record, so caches are maintained
$page->edit(['fullname' => $entry->fullname,
'shortname' => $entry->shortname,
'description' => $entry->description,
'descriptionformat' => $entry->descriptionformat,
'startdate' => date("Y-m-d",$entry->startdate),
'enddate' => date("Y-m-d",$entry->enddate),
'periods' => $entry->periods,
]);
}
/* Return the editor structure of the new / edited page
Parse it through the clean_returnvalue function of exernal api (of which studyplanservice is a subclass)
so we return it in a consistent way
*/
return studyplanservice::clean_returnvalue(studyplanpage::editor_structure(),$page->editor_model());
}
}