From aaf6dcb1d155f082cfca06e8cd8757adf82c9080 Mon Sep 17 00:00:00 2001
From: Bart Van Der Meerssche <bart.vandermeerssche@flukso.net>
Date: Mon, 30 Nov 2009 19:56:15 +0000
Subject: [PATCH] web: drush commands for populating the alias table

---
 web/drupal/modules/logger/logger.drush.inc | 60 ++++++++++++++++++++--
 1 file changed, 56 insertions(+), 4 deletions(-)

diff --git a/web/drupal/modules/logger/logger.drush.inc b/web/drupal/modules/logger/logger.drush.inc
index 66c76ac..7861dd2 100644
--- a/web/drupal/modules/logger/logger.drush.inc
+++ b/web/drupal/modules/logger/logger.drush.inc
@@ -26,6 +26,15 @@ function logger_drush_command() {
     ),
   );
 
+  $items['logger alias'] = array(
+    'callback'    => '_logger_alias',
+    'description' => 'Create aliases for meter/sensorIDs.',
+    'arguments'   => array(
+      'meter'       => 'Create an alias for one specific meterID.',
+      'permissions' => 'Set non-default permissions for this alias.',
+    ),
+  );
+
   return $items;
 }
 
@@ -59,26 +68,44 @@ function _logger_create($serial, $country, $uid = 0) {
         $type = 'undefined';
       }
 
+      $permissions = 62;
       $meter = md5(uniqid(rand(), TRUE));
+      $alias = md5(uniqid(rand(), TRUE));
+
       $path = new stdClass();
         $path->root = DRUPAL_ROOT .'/'. drupal_get_path('module', 'logger');
         $path->base = $path->root .'/data/base/';
         $path->night = $path->root .'/data/night/';
-      $result = db_query("INSERT INTO {logger_meters} (meter, uid, device, created, type) VALUES ('%s', %d, '%s', %d, '%s')", $meter, $uid, $device, $created, $type);
-      if (!$result) drush_set_error('LOGGER_CREATE_METER_ENTRY', dt('Error creating meter entry for @meter.', array('@meter' => $meter)));
+        $path->alias_base = $path->root .'/alias/base/';
+        $path->alias_night = $path->root .'/alias/night/';
+
+      $result = db_query("INSERT INTO {logger_meters} (meter, uid, device, created, type) VALUES ('%s', %d, '%s', %d, '%s')", $meter, $uid, $device, $created, $type); 
+      $insert = db_query("INSERT INTO {logger_aliases} (alias, meter, permissions) VALUES ('%s', '%s', %d)", $alias, $meter, $permissions);
+
+      if (!($result && $insert)) drush_set_error('LOGGER_CREATE_METER_ENTRY', dt('Error creating meter entry for @meter.', array('@meter' => $meter)));
 
       // create the meter base rrd
       if (!file_exists($path->base . $meter .'.rrd')) {
         $command = $path->root .'/rrdtool create '. $path->base . $meter .'.rrd -b 1199487600 -s 60 DS:meter:DERIVE:8640000:-2:2 RRA:AVERAGE:0.5:1:120 RRA:AVERAGE:0.5:15:192 RRA:AVERAGE:0.5:1440:60 RRA:AVERAGE:0.5:10080:520';
         system($command, $return);
-        if ($return <> 0) drush_set_error('LOGGER_CREATE_RRD_BASE_ERROR', dt('Error creating the base @meter rrd.', array('@meter' => $meter)));
+        if ($return == 0) {
+          system('ln ' . $path->base . $meter . '.rrd ' . $path->alias_base . $alias);
+        }
+        else {
+          drush_set_error('LOGGER_CREATE_RRD_BASE_ERROR', dt('Error creating the base @meter rrd.', array('@meter' => $meter)));
+        }
       }
 
       // create the meter night rrd
       if (!file_exists($path->night . $meter .'.rrd')) {
         $command = $path->root .'/rrdtool create '. $path->night . $meter .'.rrd -b 1199487600 -s 86400 DS:meter:GAUGE:8640000:-2:2 RRA:AVERAGE:0.5:1:60 RRA:AVERAGE:0.5:7:520';
         system($command, $return);
-        if ($return <> 0) drush_set_error('LOGGER_CREATE_RRD_NIGHT_ERROR', dt('Error creating the night @meter rrd.', array('@meter' => $meter)));
+        if ($return == 0) {
+          system('ln ' . $path->night . $meter . '.rrd ' . $path->alias_night . $alias);
+        }
+        else {
+          drush_set_error('LOGGER_CREATE_RRD_NIGHT_ERROR', dt('Error creating the night @meter rrd.', array('@meter' => $meter)));
+        }
       }
 
       if (!drush_get_error()) drush_log(dt('Successfully created the meter: @meter with type: @type', array('@meter' => $meter, '@type' => $type)), 'ok');
@@ -100,3 +127,28 @@ function _logger_assign($serial, $uid) {
   if (!drush_get_error()) drush_log(dt('Successfully assigned uid: @uid to S/N: @serial', array('@uid' => $uid, '@serial' => $serial)), 'ok');
 
 }
+
+function _logger_alias($meter = "", $permissions = 62) {
+  if ($meter == "") {
+    $result = db_query("SELECT meter FROM {logger_meters}");
+    while ($meter = db_fetch_object($result)) {
+      $count = db_result(db_query("SELECT COUNT(meter) FROM {logger_aliases} WHERE meter = '%s'", $meter->meter));
+      if ($count == 0) {
+        $alias = md5(uniqid(rand(), TRUE));
+        $insert = db_query("INSERT INTO {logger_aliases} (alias, meter, permissions) VALUES ('%s', '%s', %d)", $alias, $meter->meter, $permissions);
+
+        if (!$insert) {
+          drush_set_error('LOGGER_CREATE_ALIAS_ENTRY', dt('Error creating alias entry for @meter.', array('@meter' => $meter->meter)));
+        }
+        else {
+          drush_log(dt('Created an entry in {logger_aliases} with alias: @alias and meter: @meter', array('@alias' => $alias , '@meter' => $meter->meter)), 'ok');
+
+          $root_path = DRUPAL_ROOT .'/'. drupal_get_path('module', 'logger');
+          system('ln ' . $root_path . '/data/base/' . $meter->meter . '.rrd ' . $root_path . '/alias/base/' . $alias);
+          system('ln ' . $root_path . '/data/night/' . $meter->meter . '.rrd ' . $root_path . '/alias/night/' . $alias);
+        }
+      }
+    }
+  }
+}
+