Added a view.php file
This commit is contained in:
Mark Nelson
parent
94978c9f03
commit
31168708bb
3 changed files with 232 additions and 0 deletions
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@ -43,12 +43,14 @@ $string['fontcolour'] = 'Colour';
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$string['fontcolour_help'] = 'The colour of the font.';
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$string['fontsize'] = 'Size';
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$string['fontsize_help'] = 'The size of the font in points.';
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$string['getcustomcert'] = 'Get your custom certificate';
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$string['height'] = 'Height';
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$string['heightnotvalid'] = 'The height has to be a valid number.';
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$string['height_help'] = 'This is the height of the certificate PDF in mm. For reference an A4 piece of paper is 297mm high and a letter is 279mm high.';
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$string['intro'] = 'Introduction';
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$string['invalidcolour'] = 'Invalid colour chosen.';
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$string['invalidposition'] = 'Please select a positive number for position {$a}.';
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$string['issued'] = 'Issued';
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$string['landscape'] = 'Landscape';
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$string['modulename'] = 'Custom Certificate';
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$string['modulenameplural'] = 'Custom Certificates';
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@ -65,7 +67,9 @@ $string['posx'] = 'Position X';
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$string['posx_help'] = 'This is the position in pixels from the top left corner you wish the element to display in the x direction.';
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$string['posy'] = 'Postion Y';
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$string['posy_help'] = 'This is the position in pixels from the top left corner you wish the element to display in the y direction.';
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$string['summaryofissue'] = 'Summary of issue';
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$string['uploadimage'] = 'Upload image';
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$string['viewcustomcertissues'] = 'View {$a} issued custom certificates';
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$string['width'] = 'Width';
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$string['widthnotvalid'] = 'The width has to be a valid number.';
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$string['width_help'] = 'This is the width of the certificate PDF in mm. For reference an A4 piece of paper is 210mm wide and a letter is 216mm wide.';
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105
lib.php
105
lib.php
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@ -628,3 +628,108 @@ function customcert_get_course_time($courseid) {
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return 0;
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}
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/**
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* Returns the total number of issues for a given customcert.
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*
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* @param int $customcertid
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* @param stdClass $cm the course module
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* @param bool $groupmode the group mode
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* @return int the number of issues
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*/
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function customcert_get_number_of_issues($customcertid, $cm, $groupmode) {
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global $DB;
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list($conditionssql, $conditionsparams) = customcert_get_conditional_issues_sql($cm, $groupmode);
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// Get all the users that have customcerts issued, should only be one issue per user for a customcert.
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$allparams = $conditionsparams + array('customcertid' => $customcertid);
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return $DB->count_records_sql("SELECT COUNT(u.*) as count
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FROM {user} u
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INNER JOIN {customcert_issues} ci
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ON u.id = ci.userid
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WHERE u.deleted = 0
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AND ci.customcertid = :customcertid
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$conditionssql",
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$allparams);
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}
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/**
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* Returns an array of the conditional variables to use in the get_issues SQL query.
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*
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* @param stdClass $cm the course module
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* @param bool $groupmode are we in group mode ?
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* @return array the conditional variables
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*/
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function customcert_get_conditional_issues_sql($cm, $groupmode) {
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// Get all users that can manage this customcert to exclude them from the report.
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$context = get_context_instance(CONTEXT_MODULE, $cm->id);
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$conditionssql = '';
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$conditionsparams = array();
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if ($certmanagers = array_keys(get_users_by_capability($context, 'mod/customcert:manage', 'u.id'))) {
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list($sql, $params) = $DB->get_in_or_equal($certmanagers, SQL_PARAMS_NAMED, 'cert');
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$conditionssql .= "AND NOT u.id $sql \n";
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$conditionsparams += $params;
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}
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$restricttogroup = false;
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if ($groupmode) {
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$currentgroup = groups_get_activity_group($cm);
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if ($currentgroup) {
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$restricttogroup = true;
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$groupusers = array_keys(groups_get_members($currentgroup, 'u.*'));
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if (empty($groupusers)) {
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return array();
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}
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}
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}
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$restricttogrouping = false;
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// If groupmembersonly used, remove users who are not in any group.
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if (!empty($CFG->enablegroupings) and $cm->groupmembersonly) {
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if ($groupingusers = groups_get_grouping_members($cm->groupingid, 'u.id', 'u.id')) {
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$restricttogrouping = true;
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} else {
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return array();
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}
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}
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if ($restricttogroup || $restricttogrouping) {
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if ($restricttogroup) {
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$allowedusers = $groupusers;
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} else if ($restricttogroup && $restricttogrouping) {
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$allowedusers = array_intersect($groupusers, $groupingusers);
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} else {
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$allowedusers = $groupingusers;
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}
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list($sql, $params) = $DB->get_in_or_equal($allowedusers, SQL_PARAMS_NAMED, 'grp');
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$conditionssql .= "AND u.id $sql \n";
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$conditionsparams += $params;
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}
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return array($conditionssql, $conditionsparams);
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}
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/**
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* Generates a 10-digit code of random letters and numbers.
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*
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* @return string
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*/
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function customcert_generate_code() {
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global $DB;
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$uniquecodefound = false;
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$code = random_string(10);
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while (!$uniquecodefound) {
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if (!$DB->record_exists('customcert_issues', array('code' => $code))) {
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$uniquecodefound = true;
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} else {
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$code = random_string(10);
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}
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}
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return $code;
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}
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123
view.php
Normal file
123
view.php
Normal file
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@ -0,0 +1,123 @@
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<?php
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// This file is part of the customcert module for Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Handles viewing a customcert.
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*
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* @package mod
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* @subpackage customcert
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* @copyright Mark Nelson <markn@moodle.com>
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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require_once("../../config.php");
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require_once("$CFG->dirroot/mod/customcert/lib.php");
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$id = required_param('id', PARAM_INT);
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$action = optional_param('action', '', PARAM_ALPHA);
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$cm = get_coursemodule_from_id('customcert', $id, 0, false, MUST_EXIST);
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$course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
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$customcert = $DB->get_record('customcert', array('id'=> $cm->instance), '*', MUST_EXIST);
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// Ensure the user is allowed to view this page.
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require_login($course, true, $cm);
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$context = get_context_instance(CONTEXT_MODULE, $cm->id);
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require_capability('mod/customcert:view', $context);
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// Initialise $PAGE.
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$PAGE->set_url('/mod/customcert/view.php', array('id' => $cm->id));
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$PAGE->set_context($context);
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$PAGE->set_cm($cm);
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$PAGE->set_title(format_string($customcert->name));
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$PAGE->set_heading(format_string($course->fullname));
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// Check that no action was passed, if so that means we are not outputting to PDF.
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if (empty($action)) {
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// Get the current groups mode.
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groups_print_activity_menu($cm, $CFG->wwwroot . '/mod/customcert/view.php?id=' . $cm->id);
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$currentgroup = groups_get_activity_group($cm);
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$groupmode = groups_get_activity_groupmode($cm);
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// Generate the link to the report if there are issues to display.
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$reportlink = '';
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if (has_capability('mod/customcert:manage', $context)) {
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// Get the total number of issues.
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$numissues = customcert_get_number_of_issues($customcert->id, $cm, $groupmode);
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// If the number of issues is greater than 0 display a link to the report.
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if ($numissues > 0) {
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$url = html_writer::tag('a', get_string('viewcustomcertissues', 'customcert', $numissues),
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array('href' => $CFG->wwwroot . '/mod/customcert/report.php?id=' . $cm->id));
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$reportlink = html_writer::tag('div', $url, array('class' => 'reportlink'));
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}
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}
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// Generate the intro content if it exists.
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$intro = '';
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if (!empty($customcert->intro)) {
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$intro = $OUTPUT->box(format_module_intro('customcert', $customcert, $cm->id), 'generalbox', 'intro');
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}
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// If the current user has been issued a customcert generate HTML to display the details.
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$issuelist = '';
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if ($issues = $DB->get_records('customcert_issues', array('userid' => $USER->id, 'customcertid' => $customcert->id))) {
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$header = $OUTPUT->heading(get_string('summaryofissue', 'customcert'));
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$table = new html_table();
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$table->class = 'generaltable';
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$table->head = array(get_string('issued', 'customcert'));
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$table->align = array('left');
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$table->attributes = array('style' => 'width:20%; margin:auto');
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foreach ($issues as $issue) {
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$row = array();
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$row[] = userdate($issue->timecreated);
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$table->data[$issue->id] = $row;
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}
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$issuelist = $header . html_writer::table($table) . "<br />";
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}
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// Create the button to download the customcert.
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$linkname = get_string('getcustomcert', 'customcert');
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$link = new moodle_url('/mod/customcert/view.php', array('id' => $cm->id, 'action' => 'download'));
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$downloadbutton = new single_button($link, $linkname);
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$downloadbutton->add_action(new popup_action('click', $link, 'customcertpopup', array('height' => 600, 'width' => 800)));
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$downloadbutton = html_writer::tag('div', $OUTPUT->render($downloadbutton), array('style' => 'text-align:center'));
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// Output all the page data.
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echo $OUTPUT->header();
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echo $reportlink;
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echo $intro;
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echo $issuelist;
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echo $downloadbutton;
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echo $OUTPUT->footer($course);
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exit;
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} else { // Output to pdf
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// Create new customcert issue record if one does not already exist.
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if (!$DB->record_exists('customcert_issues', array('userid' => $USER->id, 'customcertid' => $customcert->id))) {
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$customcertissue = new stdClass();
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$customcertissue->customcertid = $customcert->id;
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$customcertissue->userid = $USER->id;
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$customcertissue->code = customcert_generate_code();
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$customcertissue->timecreated = time();
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// Insert the record into the database.
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$DB->insert_record('customcert_issues', $customcertissue);
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}
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// Now we want to generate the PDF.
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customcert_generate_pdf();
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}
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