From 2286d47b693348f9488846bfabac9ae090b9b7a0 Mon Sep 17 00:00:00 2001
From: Paolo <bison@technikum-wien.at>
Date: Tue, 16 May 2017 18:52:38 +0200
Subject: [PATCH] Task #1353: First solution, to be refined

---
 .../libraries/OrganisationseinheitLib.php     | 49 +++++++++++++++++++
 .../Organisationseinheit_model.php            | 31 ++++++++++--
 application/widgets/vorlage_widget.php        | 24 +++++++--
 3 files changed, 97 insertions(+), 7 deletions(-)

diff --git a/application/libraries/OrganisationseinheitLib.php b/application/libraries/OrganisationseinheitLib.php
index be66e2157..7f40b29dd 100644
--- a/application/libraries/OrganisationseinheitLib.php
+++ b/application/libraries/OrganisationseinheitLib.php
@@ -59,7 +59,56 @@ class OrganisationseinheitLib
 				return $this->treeSearch($schema, $table, $select, $where, $orderby, $result->retval[0]->_ppk);
 			}
 		}
+		
+		return $result;
+	}
+	
+	public function treeSearchEntire($table, $alias, $fields, $where, $orderby, $oe_kurzbz, $entireTree = false)
+	{
+		$select = "";
+		if (is_array($fields))
+		{
+			for ($i = 0; $i < count($fields); $i++)
+			{
+				$select .= $fields[$i];
+				if ($i != count($fields) - 1)
+				{
+					$select .= ", ";
+				}
+			}
+		}
+		else
+		{
+			$select = $fields;
+		}
 
+		$result = $this->ci->OrganisationseinheitModel->getOneLevel2($table, $alias, $select, $where, $orderby, $oe_kurzbz);
+		
+		if (hasData($result))
+		{
+			if ($result->retval[0]->_pk != null && $result->retval[0]->_ppk != null)
+			{
+				$tmpResult = error();
+				
+				if (($entireTree == false && $result->retval[0]->oe_kurzbz == null) || $entireTree === true)
+				{
+					$tmpResult = $this->treeSearchEntire($table, $alias, $select, $where, $orderby, $result->retval[0]->_ppk, $entireTree);
+				}
+				
+				if ($entireTree === true)
+				{
+					if (hasData($tmpResult))
+					{
+						$result->retval = array_merge($result->retval, $tmpResult->retval);
+					}
+				}
+			}
+			else if ($result->retval[0]->_pk == null && $result->retval[0]->_ppk != null)
+			{
+				$result = $this->treeSearchEntire($table, $alias, $select, $where, $orderby, $result->retval[0]->_ppk, $entireTree);
+			}
+		}
+		
 		return $result;
 	}
 }
\ No newline at end of file
diff --git a/application/models/organisation/Organisationseinheit_model.php b/application/models/organisation/Organisationseinheit_model.php
index ccab383cd..22a221c92 100755
--- a/application/models/organisation/Organisationseinheit_model.php
+++ b/application/models/organisation/Organisationseinheit_model.php
@@ -78,9 +78,34 @@ class Organisationseinheit_model extends DB_Model
 					) _joined_table ON (orgs._pk = _joined_table._pk)
 					WHERE orgs._pk = ?
 					ORDER BY %s";
-
+		
 		$query = sprintf($query, $table, $fields, $schema, $table, $where, $orderby);
-
+		
 		return $this->execQuery($query, array($oe_kurzbz));
 	}
-}
+	
+	public function getOneLevel2($table, $alias, $fields, $where, $orderby, $oe_kurzbz)
+	{
+		$query = "WITH RECURSIVE organizations(_pk, _ppk) AS
+					(
+						SELECT o.oe_kurzbz, o.oe_parent_kurzbz
+						  FROM public.tbl_organisationseinheit o
+						  WHERE o.oe_parent_kurzbz IS NULL
+					  UNION ALL
+						SELECT o.oe_kurzbz, o.oe_parent_kurzbz
+						  FROM public.tbl_organisationseinheit o INNER JOIN organizations orgs ON (o.oe_parent_kurzbz = orgs._pk)
+					)
+					SELECT orgs._pk, orgs._ppk, _joined_table.*
+					FROM organizations orgs LEFT JOIN (
+						SELECT %s.oe_kurzbz as _pk, %s
+						  FROM %s
+						 WHERE %s
+					) _joined_table ON (orgs._pk = _joined_table._pk)
+					WHERE orgs._pk = ?
+					ORDER BY %s";
+		
+		$query = sprintf($query, $alias, $fields, $table, $where, $orderby);
+		
+		return $this->execQuery($query, array($oe_kurzbz));
+	}
+}
\ No newline at end of file
diff --git a/application/widgets/vorlage_widget.php b/application/widgets/vorlage_widget.php
index a720222b1..a7664a122 100644
--- a/application/widgets/vorlage_widget.php
+++ b/application/widgets/vorlage_widget.php
@@ -4,13 +4,29 @@ class Vorlage_widget extends DropdownWidget
 {
     public function display($widgetData)
 	{
-		$this->load->model('system/Vorlage_model', 'VorlageModel');
-		$this->VorlageModel->addOrder('vorlage_kurzbz');
+		// Loads 
+        $this->load->library('OrganisationseinheitLib');
 		
-		$this->addSelectToModel($this->VorlageModel, 'vorlage_kurzbz', 'bezeichnung');
+		$vorlage = $this->organisationseinheitlib->treeSearchEntire(
+			'(
+				SELECT v.vorlage_kurzbz, v.bezeichnung, vs.version, vs.oe_kurzbz, vs.aktiv, vs.subject, vs.text, v.mimetype
+				  FROM tbl_vorlagestudiengang vs INNER JOIN tbl_vorlage v USING(vorlage_kurzbz)
+			) templates',
+			'templates',
+			array("templates.vorlage_kurzbz AS id", "UPPER(templates.oe_kurzbz) || ' - ' || templates.bezeichnung || ' - V' || templates.version AS description"),
+			'templates.aktiv = TRUE
+			AND templates.subject IS NOT NULL
+			AND templates.text IS NOT NULL
+			AND templates.mimetype = \'text/html\'',
+			"description ASC",
+			'eas',
+			true
+		);
+		
+		array_pop($vorlage->retval);
 		
 		$this->setElementsArray(
-			$this->VorlageModel->loadWhere(array('mimetype' => 'text/html')),
+			$vorlage,
 			true,
 			'Select a vorlage...',
 			'No vorlage found'