Merge pull request #402 from CyberDomovoy/Imagick

[friendica.git] / include / plugin.php

diff --git a/include/plugin.php b/include/plugin.php
index c6b61ae6e92fe45a54920cfa5faf672a34c2e95b..ffa562273fb6b3ee8637148867abe8896aae5308 100644 (file)
--- a/include/plugin.php
+++ b/include/plugin.php
@@ -316,3 +316,87 @@ function get_theme_screenshot($theme) {
        }
        return($a->get_baseurl() . '/images/blank.png');
 }
+
+
+// check service_class restrictions. If there are no service_classes defined, everything is allowed.
+// if $usage is supplied, we check against a maximum count and return true if the current usage is 
+// less than the subscriber plan allows. Otherwise we return boolean true or false if the property
+// is allowed (or not) in this subscriber plan. An unset property for this service plan means 
+// the property is allowed, so it is only necessary to provide negative properties for each plan, 
+// or what the subscriber is not allowed to do. 
+
+
+function service_class_allows($uid,$property,$usage = false) {
+
+       if($uid == local_user()) {
+               $service_class = $a->user['service_class'];
+       }
+       else {
+               $r = q("select service_class from user where uid = %d limit 1",
+                       intval($uid)
+               );
+               if($r !== false and count($r)) {
+                       $service_class = $r[0]['service_class'];
+               }
+       }
+       if(! x($service_class))
+               return true; // everything is allowed
+
+       $arr = get_config('service_class',$service_class);
+       if(! is_array($arr) || (! count($arr)))
+               return true;
+
+       if($usage === false)
+               return ((x($arr[$property])) ? (bool) $arr['property'] : true);
+       else {
+               if(! array_key_exists($property,$arr))
+                       return true;
+               return (((intval($usage)) < intval($arr[$property])) ? true : false);
+       }
+}
+
+
+function service_class_fetch($uid,$property) {
+
+       if($uid == local_user()) {
+               $service_class = $a->user['service_class'];
+       }
+       else {
+               $r = q("select service_class from user where uid = %d limit 1",
+                       intval($uid)
+               );
+               if($r !== false and count($r)) {
+                       $service_class = $r[0]['service_class'];
+               }
+       }
+       if(! x($service_class))
+               return false; // everything is allowed
+
+       $arr = get_config('service_class',$service_class);
+       if(! is_array($arr) || (! count($arr)))
+               return false;
+
+       return((array_key_exists($property,$arr)) ? $arr[$property] : false);
+
+}
+
+function upgrade_link($bbcode = false) {
+       $l = get_config('service_class','upgrade_link');
+       if(! $l)
+               return '';
+       if($bbcode)
+               $t = sprintf('[url=%s]' . t('Click here to upgrade.') . '[/url]', $l);
+       else
+               $t = sprintf('<a href="%s">' . t('Click here to upgrade.') . '</div>', $l);
+       return $t;
+}
+
+function upgrade_message($bbcode = false) {
+       $x = upgrade_link($bbcode);
+       return t('This action exceeds the limits set by your subscription plan.') . (($x) ? ' ' . $x : '') ;
+}
+
+function upgrade_bool_message($bbcode = false) {
+       $x = upgrade_link($bbcode);
+       return t('This action is not available under your subscription plan.') . (($x) ? ' ' . $x : '') ;
+}