add viewblock capabilities

Author: Syxton

block_grade_me.php

@@ -39,6 +39,13 @@ public function init() {
     public function get_content() {
         global $CFG, $USER, $COURSE, $DB, $OUTPUT, $PAGE;
 
+        $context = context_course::instance($this->page->course->id);
+        $isteacher = has_capability('block/grade_me:viewblock', $context);
+
+        if(!$isteacher) {
+            return $this->content;
+        }
+
         if ($this->content !== null) {
             return $this->content;
         }

db/access.php

@@ -47,5 +47,17 @@
         ),
 
         'clonepermissionsfrom' => 'moodle/site:manageblocks'
+    ),
+
+    'block/grade_me:viewblock' => array(
+        'riskbitmask' => RISK_SPAM | RISK_XSS,
+
+        'captype' => 'read',
+        'contextlevel' => CONTEXT_BLOCK,
+        'archetypes' => array(
+            'user' => CAP_ALLOW
+        ),
+
+        'clonepermissionsfrom' => 'moodle/block:view'
     )
 );

lang/en/block_grade_me.php

@@ -45,6 +45,7 @@
 
 $string['grade_me:addinstance'] = 'Add a new Grade Me block';
 $string['grade_me:myaddinstance'] = 'Add a new Grade Me block to the My Moodle page';
+$string['grade_me:viewblock'] = 'View block';
 $string['expand'] = 'Collapse / Expand All';
 
 $string['grade_me_tools'] = 'Tools';

lang/es/block_grade_me.php

@@ -36,3 +36,4 @@
 $string['settings_configenablepre'] = '¿Debería el bloque Califícame mostrar actividades sin evaluar del módulo "{$a->plugin_name}" ?';
 $string['grade_me:addinstance'] = 'Añadir un nuevo bloque Califícame';
 $string['grade_me:myaddinstance'] = 'Añadir un nuevo bloque Califícame a mi página personal';
+$string['grade_me:viewblock'] = 'Ver bloque';