From a84ea986dea58ef849964ccc8842587614f6ccfd Mon Sep 17 00:00:00 2001
From: protegh <protegh@users.noreply.github.com>
Date: Fri, 1 Sep 2023 05:17:34 +0200
Subject: [PATCH] Patch for issue #49 (#228)

* Patch for issue #49

* remove lib/Template.php.orig
---
 lib/PageRender.php | 26 ++++++++++++++++++++++++++
 lib/Template.php   | 37 +++++++++++++++++++++++++++++++++++++
 2 files changed, 63 insertions(+)

diff --git a/lib/PageRender.php b/lib/PageRender.php
index 196f677a..d01968ae 100644
--- a/lib/PageRender.php
+++ b/lib/PageRender.php
@@ -360,6 +360,32 @@ class PageRender extends Visitor {
 			else
 				$this->drawTemplateChoice();
 
+		# If mode is modification, use a DefaultForObjectClass template if exaclty 1 matches. Propose the template choice otherwise.
+		} elseif (($this->getMode() == 'modification') && (! isset($_REQUEST['template']))) {
+			if (DEBUGTMP) printf('<font size=-2>%s:<u>%s</u></font><br />',__METHOD__,'DEFAULTFOROBJECTCLASS template if only 1 template matches.');
+
+			$dn = $this->getModeContainer();
+			$server = $this->getServer();
+			$dnojcs = $server->getDNAttrValue($dn,'objectClass');
+			$matchingtmplIDs = array();
+			$unmatchingtmplIDs = array();
+			$tpldefojc = array();
+			foreach ($templates->getTemplates($this->getMode(),$this->getModeContainer(),true) as $tpl) {
+				$tpldefojc = $tpl->getDefaultForObjectClass();
+				if (array_intersect($tpldefojc,$dnojcs)) {
+					array_push($matchingtmplIDs,$tpl->getID());
+				} else {
+					array_push($unmatchingtmplIDs,$tpl->getID());
+				}
+			}
+			if (count($matchingtmplIDs) == 0)       # No matching DefaultForObjectClass found,
+				return 'none';                      # so we use the default template.
+			elseif (count($matchingtmplIDs) == 1)   # Exactly 1 matching DefaultForObjectClass found,
+				return $matchingtmplIDs[0];         # so we use it.
+			elseif (count($unmatchingtmplIDs) == 0) # No template found at all,
+				return 'none';                      # so we use the default template.
+			else                                    # Multiple templates found,
+				$this->drawTemplateChoice();        # so propose the template choice.
 		} else {
 			if (DEBUGTMP) printf('<font size=-2>%s:<u>%s</u></font><br />',__METHOD__,'SELECT a template to use.');
 
diff --git a/lib/Template.php b/lib/Template.php
index 2e4978f1..96e184f7 100644
--- a/lib/Template.php
+++ b/lib/Template.php
@@ -37,6 +37,8 @@ class Template extends xmlTemplate {
 	private $invalid_reason;
 	# The TEMPLATE structural objectclasses
 	protected $structural_oclass = array();
+	# The objectclasses for which this template is the default
+	protected $defaultfor_oclass = array();
 	protected $description = '';
 	# Is this a read-only template (only valid in modification templates)
 	private $readonly = false;
@@ -124,6 +126,31 @@ class Template extends xmlTemplate {
 
 					break;
 
+				# Record our defaultFor object Classes from the Template.
+				case ('defaultforobjectclasses'):
+					if (DEBUG_ENABLED)
+						debug_log('Case [%s]',4,0,__FILE__,__LINE__,__METHOD__,$xml_key);
+
+					if (isset($xmldata['template'][$xml_key]['defaultforobjectclass']))
+						if (is_array($xmldata['template'][$xml_key]['defaultforobjectclass'])) {
+							foreach ($xmldata['template'][$xml_key]['defaultforobjectclass'] as $index => $details) {
+
+								# If we havent recorded this objectclass already, do so now.
+								if (! in_array($details,$this->defaultfor_oclass))
+									array_push($this->defaultfor_oclass,$details);
+							}
+
+						} else {
+							# XML files with only 1 objectClass dont have a numeric index.
+							$soc = $xmldata['template'][$xml_key]['defaultforobjectclass'];
+
+							# If we havent recorded this objectclass already, do so now.
+							if (! in_array($soc,$this->defaultfor_oclass))
+								array_push($this->defaultfor_oclass,$soc);
+						}
+
+					break;
+
 				# Build our attribute list from the DN and Template.
 				case ('attributes'):
 					if (DEBUG_ENABLED)
@@ -179,6 +206,7 @@ class Template extends xmlTemplate {
 
 					if ($xml_key == 'invalid' && $xml_value)
 						$this->setInvalid(_('Disabled by XML configuration'),true);
+
 			}
 		}
 
@@ -924,6 +952,15 @@ class Template extends xmlTemplate {
 		$this->visible = false;
 	}
 
+	/**
+	 * Get the objectclasses for which this template is the default
+	 *
+	 * @return array The objectclasses
+	 */
+	public function getDefaultForObjectClass() {
+		return $this->defaultfor_oclass;
+	}
+
 	public function getRegExp() {
 		if (DEBUG_ENABLED && (($fargs=func_get_args())||$fargs='NOARGS'))
 			debug_log('Entered (%%)',5,1,__FILE__,__LINE__,__METHOD__,$fargs,$this->regexp);