ObjectsTable: new generic table

library/Director/Web/Table/ObjectsTable.php

@@ -0,0 +1,169 @@
+<?php
+
+namespace Icinga\Module\Director\Web\Table;
+
+use Icinga\Authentication\Auth;
+use Icinga\Module\Director\Db;
+use Icinga\Module\Director\Objects\IcingaObject;
+use Icinga\Module\Director\Restriction\HostgroupRestriction;
+use Icinga\Module\Director\Restriction\ObjectRestriction;
+use ipl\Html\Link;
+use ipl\Web\Url;
+use Zend_Db_Select as ZfSelect;
+
+class ObjectsTable extends QueryBasedTable
+{
+    /** @var ObjectRestriction[] */
+    protected $objectRestrictions;
+
+    protected $columns = [
+        'object_name' => 'o.object_name',
+        'id'          => 'o.id',
+    ];
+
+    protected $searchColumns = ['o.object_name'];
+
+    protected $showColumns = ['object_name' => 'Name'];
+
+    protected $type;
+
+    private $auth;
+
+    /**
+     * @param $type
+     * @param Db $db
+     * @return static
+     */
+    public static function create($type, Db $db)
+    {
+        $class = __NAMESPACE__ . '\\ObjectsTable' . ucfirst($type);
+        if (! class_exists($class)) {
+            $class = __CLASS__;
+        }
+
+        /** @var static $table */
+        $table = new $class($db);
+        $table->type = $type;
+        return $table;
+    }
+
+    public function getType()
+    {
+        return $this->type;
+    }
+
+    public function getAuth()
+    {
+        return $this->auth;
+    }
+
+    public function setAuth(Auth $auth)
+    {
+        $this->auth = $auth;
+        return $this;
+    }
+
+    public function addObjectRestriction(ObjectRestriction $restriction)
+    {
+        $this->objectRestrictions[$restriction->getName()] = $restriction;
+        return $this;
+    }
+
+    public function getColumns()
+    {
+        return $this->columns;
+    }
+
+    public function getColumnsToBeRendered()
+    {
+        return $this->showColumns;
+    }
+
+    protected function getMainLinkLabel($row)
+    {
+        return $row->object_name;
+    }
+
+    protected function renderObjectNameColumn($row)
+    {
+        $type = $this->getType();
+        $url = Url::fromPath("director/${type}", [
+            'name' => $row->object_name
+        ]);
+
+        return static::td(Link::create($this->getMainLinkLabel($row), $url));
+    }
+
+    protected function renderExtraColumns($row)
+    {
+        $columns = $this->getColumnsToBeRendered();
+        unset($columns['object_name']);
+        $cols = [];
+        foreach ($columns as $key => & $label) {
+            $cols[] = static::td($row->$key);
+        }
+
+        return $cols;
+    }
+
+    public function renderRow($row)
+    {
+        $tr = static::tr([
+            $this->renderObjectNameColumn($row),
+            $this->renderExtraColumns($row)
+        ]);
+
+        $classes = $this->getRowClasses($row);
+        if (! empty($classes)) {
+            $tr->attributes()->add('class', $classes);
+        }
+
+        return $tr;
+    }
+
+    protected function applyObjectTypeFilter(ZfSelect $query)
+    {
+        return $query->where("o.object_type = 'object'");
+    }
+
+    protected function applyRestrictions(ZfSelect $query)
+    {
+        foreach ($this->getRestrictions() as $restriction) {
+            $restriction->applyToQuery($query);
+        }
+
+        return $query;
+    }
+
+    protected function getRestrictions()
+    {
+        if ($this->objectRestrictions === null) {
+            $this->objectRestrictions = $this->loadRestrictions();
+        }
+
+        return $this->objectRestrictions;
+    }
+
+    protected function loadRestrictions()
+    {
+        return [
+            new HostgroupRestriction($this->connection(), $this->getAuth())
+        ];
+    }
+
+    protected function prepareQuery()
+    {
+        $type = $this->getType();
+        $object = IcingaObject::createByType($type);
+        $table = $object->getTableName();
+        $query = $this->applyRestrictions($this->db()->select()
+            ->from(
+                ['o' => $table],
+                $this->getColumns()
+            )
+            ->order('o.object_name')
+        );
+
+        return $this->applyObjectTypeFilter($query);
+    }
+}