#6 Added ability to view other users' certificates

classes/element.php

@@ -159,8 +159,9 @@ abstract class element {
      *
      * @param \pdf $pdf the pdf object
      * @param bool $preview true if it is a preview, false otherwise
+     * @param \stdClass $user the user we are rendering this for
      */
-    public abstract function render($pdf, $preview);
+    public abstract function render($pdf, $preview, $user);
 
     /**
      * Render the element in html.

classes/report_table.php

@@ -68,15 +68,18 @@ class report_table extends \table_sql {
             'fullname',
             'timecreated',
             'code',
+            'download'
         ));
         $this->define_headers(array(
             get_string('fullname'),
             get_string('receiveddate', 'customcert'),
-            get_string('code', 'customcert')
+            get_string('code', 'customcert'),
+            get_string('file')
         ));
         $this->collapsible(false);
         $this->sortable(true);
         $this->no_sorting('code');
+        $this->no_sorting('download');
         $this->is_downloadable(true);
 
         $this->customcertid = $customcertid;
@@ -116,6 +119,24 @@ class report_table extends \table_sql {
         return $user->code;
     }
 
+    /**
+     * Generate the download column.
+     *
+     * @param \stdClass $user
+     * @return string
+     */
+    public function col_download($user) {
+        global $OUTPUT;
+
+        $icon = new \pix_icon('i/import', get_string('download'));
+        $link = new \moodle_url('/mod/customcert/report.php',
+            array('id' => $this->cm->id,
+                  'downloadcert' => '1',
+                  'userid' => $user->id));
+
+        return $OUTPUT->action_link($link, '', null, null, $icon);
+    }
+
     /**
      * Query the reader.
      *

classes/template.php

@@ -247,9 +247,16 @@ class template {
      * Generate the PDF for the template.
      *
      * @param bool $preview true if it is a preview, false otherwise
+     * @param int $userid the id of the user whose certificate we want to view
      */
-    public function generate_pdf($preview = false) {
+    public function generate_pdf($preview = false, $userid = null) {
-        global $CFG, $DB;
+        global $CFG, $DB, $USER;
+
+        if (empty($userid)) {
+            $user = $USER;
+        } else {
+            $user = \core_user::get_user($userid);
+        }
 
         require_once($CFG->libdir . '/pdflib.php');
 
@@ -289,7 +296,7 @@ class template {
                     foreach ($elements as $element) {
                         // Get an instance of the element class.
                         if ($e = \mod_customcert\element::instance($element)) {
-                            $e->render($pdf, $preview);
+                            $e->render($pdf, $preview, $user);
                         }
                     }
                 }

element/border/classes/element.php

@@ -47,8 +47,9 @@ class element extends \mod_customcert\element {
      *
      * @param \pdf $pdf the pdf object
      * @param bool $preview true if it is a preview, false otherwise
+     * @param \stdClass $user the user we are rendering this for
      */
-    public function render($pdf, $preview) {
+    public function render($pdf, $preview, $user) {
         $colour = \TCPDF_COLORS::convertHTMLColorToDec($this->element->colour, $colour);
         $pdf->SetLineStyle(array('width' => $this->element->data, 'color' => $colour));
         $pdf->Line(0, 0, $pdf->getPageWidth(), 0);

element/categoryname/classes/element.php

@@ -32,8 +32,9 @@ class element extends \mod_customcert\element {
      *
      * @param \pdf $pdf the pdf object
      * @param bool $preview true if it is a preview, false otherwise
+     * @param \stdClass $user the user we are rendering this for
      */
-    public function render($pdf, $preview) {
+    public function render($pdf, $preview, $user) {
         \mod_customcert\element_helper::render_content($pdf, $this, self::get_category_name());
     }
 

element/code/classes/element.php

@@ -32,9 +32,10 @@ class element extends \mod_customcert\element {
      *
      * @param \pdf $pdf the pdf object
      * @param bool $preview true if it is a preview, false otherwise
+     * @param \stdClass $user the user we are rendering this for
      */
-    public function render($pdf, $preview) {
+    public function render($pdf, $preview, $user) {
-        global $DB, $USER;
+        global $DB;
 
         if ($preview) {
             $code = \mod_customcert\certificate::generate_code();
@@ -44,7 +45,7 @@ class element extends \mod_customcert\element {
             // Get the customcert this page belongs to.
             $customcert = $DB->get_record('customcert', array('templateid' => $page->templateid), '*', MUST_EXIST);
             // Now we can get the issue for this user.
-            $issue = $DB->get_record('customcert_issues', array('userid' => $USER->id, 'customcertid' => $customcert->id), '*', MUST_EXIST);
+            $issue = $DB->get_record('customcert_issues', array('userid' => $user->id, 'customcertid' => $customcert->id), '*', MUST_EXIST);
             $code = $issue->code;
         }
 

element/coursename/classes/element.php

@@ -32,8 +32,9 @@ class element extends \mod_customcert\element {
      *
      * @param \pdf $pdf the pdf object
      * @param bool $preview true if it is a preview, false otherwise
+     * @param \stdClass $user the user we are rendering this for
      */
-    public function render($pdf, $preview) {
+    public function render($pdf, $preview, $user) {
         global $COURSE;
 
         \mod_customcert\element_helper::render_content($pdf, $this, $COURSE->fullname);

element/date/classes/element.php

@@ -83,9 +83,10 @@ class element extends \mod_customcert\element {
      *
      * @param \pdf $pdf the pdf object
      * @param bool $preview true if it is a preview, false otherwise
+     * @param \stdClass $user the user we are rendering this for
      */
-    public function render($pdf, $preview) {
+    public function render($pdf, $preview, $user) {
-        global $COURSE, $DB, $USER;
+        global $COURSE, $DB;
 
         // If there is no element data, we have nothing to display.
         if (empty($this->element->data)) {
@@ -106,7 +107,7 @@ class element extends \mod_customcert\element {
             // Get the customcert this page belongs to.
             $customcert = $DB->get_record('customcert', array('templateid' => $page->templateid), '*', MUST_EXIST);
             // Now we can get the issue for this user.
-            $issue = $DB->get_record('customcert_issues', array('userid' => $USER->id, 'customcertid' => $customcert->id), '*', MUST_EXIST);
+            $issue = $DB->get_record('customcert_issues', array('userid' => $user->id, 'customcertid' => $customcert->id), '*', MUST_EXIST);
 
             if ($dateitem == CUSTOMCERT_DATE_ISSUE) {
                 $date = $issue->timecreated;

element/grade/classes/element.php

@@ -83,9 +83,10 @@ class element extends \mod_customcert\element {
      *
      * @param \pdf $pdf the pdf object
      * @param bool $preview true if it is a preview, false otherwise
+     * @param \stdClass $user the user we are rendering this for
      */
-    public function render($pdf, $preview) {
+    public function render($pdf, $preview, $user) {
-        global $COURSE, $USER;
+        global $COURSE;
 
         // If there is no element data, we have nothing to display.
         if (empty($this->element->data)) {
@@ -101,7 +102,7 @@ class element extends \mod_customcert\element {
             $grade = grade_format_gradevalue('100', $courseitem, true, $gradeinfo->gradeformat, 2);
         } else {
             // Get the grade for the grade item.
-            $grade = self::get_grade($gradeinfo, $USER->id);
+            $grade = self::get_grade($gradeinfo, $user->id);
         }
 
         \mod_customcert\element_helper::render_content($pdf, $this, $grade);

element/gradeitemname/classes/element.php

@@ -60,8 +60,9 @@ class element extends \mod_customcert\element {
      *
      * @param \pdf $pdf the pdf object
      * @param bool $preview true if it is a preview, false otherwise
+     * @param \stdClass $user the user we are rendering this for
      */
-    public function render($pdf, $preview) {
+    public function render($pdf, $preview, $user) {
         global $DB;
 
         // Check that the grade item is not empty.

element/image/classes/element.php

@@ -132,8 +132,9 @@ class element extends \mod_customcert\element {
      *
      * @param \pdf $pdf the pdf object
      * @param bool $preview true if it is a preview, false otherwise
+     * @param \stdClass $user the user we are rendering this for
      */
-    public function render($pdf, $preview) {
+    public function render($pdf, $preview, $user) {
         global $CFG;
 
         // If there is no element data, we have nothing to display.

element/studentname/classes/element.php

@@ -32,11 +32,10 @@ class element extends \mod_customcert\element {
      *
      * @param \pdf $pdf the pdf object
      * @param bool $preview true if it is a preview, false otherwise
+     * @param \stdClass $user the user we are rendering this for
      */
-    public function render($pdf, $preview) {
+    public function render($pdf, $preview, $user) {
-        global $USER;
+        \mod_customcert\element_helper::render_content($pdf, $this, fullname($user));
-
-        \mod_customcert\element_helper::render_content($pdf, $this, fullname($USER));
     }
 
     /**

element/teachername/classes/element.php

@@ -58,8 +58,9 @@ class element extends \mod_customcert\element {
      *
      * @param \pdf $pdf the pdf object
      * @param bool $preview true if it is a preview, false otherwise
+     * @param \stdClass $user the user we are rendering this for
      */
-    public function render($pdf, $preview) {
+    public function render($pdf, $preview, $user) {
         global $DB;
 
         $teacher = $DB->get_record('user', array('id' => $this->element->data));

element/text/classes/element.php

@@ -56,8 +56,9 @@ class element extends \mod_customcert\element {
      *
      * @param \pdf $pdf the pdf object
      * @param bool $preview true if it is a preview, false otherwise
+     * @param \stdClass $user the user we are rendering this for
      */
-    public function render($pdf, $preview) {
+    public function render($pdf, $preview, $user) {
         \mod_customcert\element_helper::render_content($pdf, $this, $this->element->data);
     }
 

element/userfield/classes/element.php

@@ -87,9 +87,10 @@ class element extends \mod_customcert\element {
      *
      * @param \pdf $pdf the pdf object
      * @param bool $preview true if it is a preview, false otherwise
+     * @param \stdClass $user the user we are rendering this for
      */
-    public function render($pdf, $preview) {
+    public function render($pdf, $preview, $user) {
-        global $DB, $USER;
+        global $CFG, $DB;
 
         // The user field to display.
         $field = $this->element->data;
@@ -97,10 +98,17 @@ class element extends \mod_customcert\element {
         $value = '';
         if (is_number($field)) { // Must be a custom user profile field.
             if ($field = $DB->get_record('user_info_field', array('id' => $field))) {
-                $value = $USER->profile[$field->shortname];
+                $file = $CFG->dirroot . '/user/profile/field/' . $field->datatype . '/field.class.php';
+                if (file_exists($file)) {
+                    require_once($CFG->dirroot . '/user/profile/lib.php');
+                    require_once($file);
+                    $class = "profile_field_{$field->datatype}";
+                    $field = new $class($field->id, $user->id);
+                    $value = $field->display_data();
+                }
             }
-        } else if (!empty($USER->$field)) { // Field in the user table.
+        } else if (!empty($user->$field)) { // Field in the user table.
-            $value = $USER->$field;
+            $value = $user->$field;
         }
 
         \mod_customcert\element_helper::render_content($pdf, $this, $value);

report.php

@@ -24,8 +24,12 @@
 
 require_once('../../config.php');
 
-$id   = required_param('id', PARAM_INT);
+$id = required_param('id', PARAM_INT);
 $download = optional_param('download', '', PARAM_ALPHA);
+$downloadcert = optional_param('downloadcert', '', PARAM_BOOL);
+if ($downloadcert) {
+    $userid = required_param('userid', PARAM_INT);
+}
 
 $page = optional_param('page', 0, PARAM_INT);
 $perpage = optional_param('perpage', \mod_customcert\certificate::CUSTOMCERT_PER_PAGE, PARAM_INT);
@@ -42,7 +46,15 @@ require_login($course, false, $cm);
 $context = context_module::instance($cm->id);
 require_capability('mod/customcert:manage', $context);
 
-// Get the users who have been issued.
+// Check if we requested to download another user's certificate.
+if ($downloadcert) {
+    $template = $DB->get_record('customcert_templates', array('id' => $customcert->templateid), '*', MUST_EXIST);
+    $template = new \mod_customcert\template($template);
+    $template->generate_pdf(false, $userid);
+    exit();
+}
+
+// Check if we are in group mode.
 if ($groupmode = groups_get_activity_groupmode($cm)) {
     groups_get_activity_group($cm, true);
 }