<?php

namespace gradeimporter;


use context_user;

class feedback {
    public static function is_capability() {
      global $USER;

      $usercontext = context_user::instance($USER->id);
      return has_capability('moodle/course:update', $usercontext);
    }
  
    public static function get_comments() {
        global $DB, $USER, $CFG;
        $tp = $CFG->prefix; // gets moodle tables prefix, not everyone uses mdl_

        $sql = "
        SELECT gf.id,
               gf.grade,
               gf.comment,
               gf.contextid,
               gf.name gf_name,
               gs.name gs_name,
               gs.description gs_description,
               gst.name gst_name,
               gst.description gst_description,
               fileid
          FROM ".$tp."gradeimporter_feedback gf
          JOIN ".$tp."gradeimporter_submission gs
            ON gf.submissionid = gs.id
          JOIN ".$tp."gradeimporter_submissiontype gst
            ON gs.type = gst.id
         WHERE gf.studentid = ?";
        $comments = array();
        $records = $DB->get_records_sql($sql, array('studentid'=>$USER->id));

        $data = array();
        if (count($records)) {
          foreach ($records as $key => $value) {
            if (!array_key_exists($value->gst_name, $data)) $data[$value->gst_name] = array();
            
              //$fileurl = moodle_url::make_pluginfile_url($value->gf_contextid, 'mod_gradeimporter', 'gradeimporter_feedback', $value->gf_submissionid, '/', $value->gf_filename, false);

              $data[$value->gst_name][] = array($value->gs_name, $value->grade, $value->gf_name);
              //$data[$value->gst_name][] = array($value->gs_name, $value->grade, $value->fileid);
          }
        }

        return $data;
    }
}


//
// INSERT INTO `mdl_gradeimporter_feedback` (`id`, `submissionid`, `studentid`, `grade`, `comment`, `fileid`, `usermodified`, `timecreated`, `timemodified`)
// VALUES
// 	(1, 10, 1, 10.00, 'ok muito bem', 100, 0, 0, 0);
//