1 files changed, 93 insertions, 0 deletions
diff --git a/library/Director/Db/Branch/BranchModificationInspection.php b/library/Director/Db/Branch/BranchModificationInspection.php
new file mode 100644
index 0000000..978ca5d
--- /dev/null
+++ b/library/Director/Db/Branch/BranchModificationInspection.php
@@ -0,0 +1,93 @@
+<?php
+
+namespace Icinga\Module\Director\Db\Branch;
+
+use gipfl\Translation\StaticTranslator;
+use gipfl\Translation\TranslationHelper;
+use Icinga\Module\Director\Db;
+use ipl\Html\Html;
+use ipl\Html\HtmlDocument;
+use Ramsey\Uuid\UuidInterface;
+
+class BranchModificationInspection
+{
+    use TranslationHelper;
+
+    protected $connection;
+
+    protected $db;
+
+    public function __construct(Db $connection)
+    {
+        $this->connection = $connection;
+        $this->db = $connection->getDbAdapter();
+    }
+
+    public function describe($table, UuidInterface $uuid)
+    {
+        return static::describeModificationStatistics($this->loadSingleTableStats($table, $uuid));
+    }
+
+    public function describeBranch(UuidInterface $uuid)
+    {
+        $tables = [
+            $this->translate('API Users')            => BranchSupport::BRANCHED_TABLE_ICINGA_APIUSER,
+            $this->translate('Endpoints')            => BranchSupport::BRANCHED_TABLE_ICINGA_COMMAND,
+            $this->translate('Zones')                => BranchSupport::BRANCHED_TABLE_ICINGA_DEPENDENCY,
+            $this->translate('Commands')             => BranchSupport::BRANCHED_TABLE_ICINGA_ENDPOINT,
+            $this->translate('Hosts')                => BranchSupport::BRANCHED_TABLE_ICINGA_HOST,
+            $this->translate('Hostgroups')           => BranchSupport::BRANCHED_TABLE_ICINGA_HOSTGROUP,
+            $this->translate('Services')             => BranchSupport::BRANCHED_TABLE_ICINGA_NOTIFICATION,
+            $this->translate('Servicegroups')        => BranchSupport::BRANCHED_TABLE_ICINGA_SCHEDULED_DOWNTIME,
+            $this->translate('Servicesets')          => BranchSupport::BRANCHED_TABLE_ICINGA_SERVICE_SET,
+            $this->translate('Users')                => BranchSupport::BRANCHED_TABLE_ICINGA_SERVICE,
+            $this->translate('Usergroups')           => BranchSupport::BRANCHED_TABLE_ICINGA_SERVICEGROUP,
+            $this->translate('Timeperiods')          => BranchSupport::BRANCHED_TABLE_ICINGA_TIMEPERIOD,
+            $this->translate('Notifications')        => BranchSupport::BRANCHED_TABLE_ICINGA_USER,
+            $this->translate('Dependencies')         => BranchSupport::BRANCHED_TABLE_ICINGA_USERGROUP,
+            $this->translate('Scheduled Downtimes')  => BranchSupport::BRANCHED_TABLE_ICINGA_ZONE,
+        ];
+
+        $parts = new HtmlDocument();
+        $parts->setSeparator(Html::tag('br'));
+        foreach ($tables as $label => $table) {
+            $info = $this->describe($table, $uuid);
+            if (! empty($info) && $info !== '-') {
+                $parts->add("$label: $info");
+            }
+        }
+
+        return $parts;
+    }
+
+    public static function describeModificationStatistics($stats)
+    {
+        $t = StaticTranslator::get();
+        $relevantStats = [];
+        if ($stats->cnt_created > 0) {
+            $relevantStats[] = sprintf($t->translate('%d created'), $stats->cnt_created);
+        }
+        if ($stats->cnt_deleted > 0) {
+            $relevantStats[] = sprintf($t->translate('%d deleted'), $stats->cnt_deleted);
+        }
+        if ($stats->cnt_modified > 0) {
+            $relevantStats[] = sprintf($t->translate('%d modified'), $stats->cnt_modified);
+        }
+        if (empty($relevantStats)) {
+            return '-';
+        }
+
+        return implode(', ', $relevantStats);
+    }
+
+    public function loadSingleTableStats($table, UuidInterface $uuid)
+    {
+        $query = $this->db->select()->from($table, [
+            'cnt_created'  => "SUM(CASE WHEN branch_created = 'y' THEN 1 ELSE 0 END)",
+            'cnt_deleted'  => "SUM(CASE WHEN branch_deleted = 'y' THEN 1 ELSE 0 END)",
+            'cnt_modified' => "SUM(CASE WHEN branch_deleted = 'n' AND branch_created = 'n' THEN 1 ELSE 0 END)",
+        ])->where('branch_uuid = ?', $this->connection->quoteBinary($uuid->getBytes()));
+
+        return $this->db->fetchRow($query);
+    }
+}