make solr limit configurable in OAI plugin

plugins/oai/class.tx_dlf_oai.php

@@ -977,6 +977,10 @@ class tx_dlf_oai extends tx_dlf_plugin {
 
         $solr = tx_dlf_solr::getInstance($this->conf['solrcore']);
 
+        if (intval($this->conf['solr_limit']) > 0) {
+            $solr->limit = intval($this->conf['solr_limit']);
+        }
+
         // We only care about the UID in the results and want them sorted
         $parameters = array ("fl" => "uid", "sort" => "uid asc");
 

plugins/oai/flexform.xml

@@ -105,6 +105,18 @@
 							</config>
 						</TCEforms>
 					</solrcore>
+					<solr_limit>
+						<TCEforms>
+							<displayCond>FIELD:pages:REQ:true</displayCond>
+							<exclude>1</exclude>
+							<label>LLL:EXT:dlf/plugins/oai/locallang.xml:tt_content.pi_flexform.solr_limit</label>
+							<config>
+								<type>input</type>
+								<eval>required,num,int</eval>
+								<default>50000</default>
+							</config>
+						</TCEforms>
+					</solr_limit>
 					<stylesheet>
 						<TCEforms>
 							<exclude>1</exclude>

plugins/oai/locallang.xml

@@ -21,6 +21,7 @@
 			<label index="tt_content.pi_flexform.expired">Expiration time for resumption token (seconds)</label>
 			<label index="tt_content.pi_flexform.show_userdefined">Show user-defined collections?</label>
 			<label index="tt_content.pi_flexform.solrcore">Solr Core</label>
+			<label index="tt_content.pi_flexform.solr_limit">Maximum Solr results</label>
 			<label index="tt_content.pi_flexform.stylesheet">Transformation stylesheet</label>
 			<label index="tt_content.pi_flexform.unqualified_epicur">Use unqualified epicur?</label>
 
@@ -41,6 +42,7 @@
 			<label index="tt_content.pi_flexform.expired">Gültigkeitsdauer des Resumption Tokens (Sekunden)</label>
 			<label index="tt_content.pi_flexform.show_userdefined">Benutzerdefinierte Kollektionen anzeigen?</label>
 			<label index="tt_content.pi_flexform.solrcore">Solr Kern</label>
+			<label index="tt_content.pi_flexform.solr_limit">Maximale Solr-Ergebnissen</label>
 			<label index="tt_content.pi_flexform.stylesheet">XSL-Stylesheet</label>
 			<label index="tt_content.pi_flexform.unqualified_epicur">Unqualifiziertes Epicur verwenden?</label>
 			<label index="badArgument">Die Anfrage enthält ungültige Parameter, es fehlen benötigte Parameter oder Parameter haben ungültige Werte.</label>