refs #22072 [finc] move hasILSData from de_l152 to fincils

* allow negative method filter, meaning, we don't query the ILS when a method with leading "!" matches

module/finc/src/finc/ILS/Driver/FincILS.php

@@ -1504,15 +1504,25 @@ class FincILS extends PAIA implements LoggerAwareInterface
     protected function hasILSData($id)
     {
         foreach ($this->config['General']['queryIls'] as $value) {
-            [$methodName, $methodReturn] = explode(':', $value);
+            list($methodName, $methodReturn) = explode(':', $value);
             // if we have one mismatch we can already stop as this record does
             // not qualify for querying the ILS
             if ($methodReturn === "") {
                 if (null !== $this->getRecord($id)->tryMethod($methodName)) {
                     return false;
                 }
-            } elseif (!in_array($methodReturn, (array)$this->getRecord($id)->tryMethod($methodName))) {
-                return false;
+            } elseif (strpos($methodName, '!') === 0) {
+                // we have a negative filter, meaning, we don't query the ILS
+                // if the return value matches
+                $methodName = substr($methodName, 1);
+                if (in_array($methodReturn, (array) $this->getRecord($id)->tryMethod($methodName))) {
+                    return false;
+                }
+            } else {
+                // this is a positive filter i.e. the return value MUST match
+                if (!in_array($methodReturn, (array) $this->getRecord($id)->tryMethod($methodName))) {
+                    return false;
+                }
             }
         }
         // if we got this far the record qualifies for querying the ILS