case sensitive option

src/AdvancedSearchQuery.php

@@ -162,20 +162,31 @@ class AdvancedSearchQuery {
       }
       $q = implode(' ', $q);
 
-
+      $case_insensitive_field = $this::getConfig(SettingsForm::SOLR_CASE_INSENSITIVE_FIELD_PREFIX, '');
 
       /** @var Solarium\QueryType\Select\Query\Query $solarium_query */
-      if ((strpos($q, "*") !== false || strpos($q, "?") !== false) || (strpos(trim($q), ' ') === false) ) {
+      if ((strpos($q, "*") !== false || strpos($q, "?") !== false)) {
         // if the query string contain '*', '?', OR is a single world, enable wildcard
         $tmp = str_replace('"', "", trim($q));
         $query_fields = [];
         foreach ($field_mapping as $key => $field) {
           foreach ($field as $f => $item) {
-            if (strpos($item, 'sticky') === false && !in_array($item, ['score', 'random', 'boost_document'])
+            // bs_ are boolean fields, do not work well with text search
+            if (substr($item, 0, 3) !== "bs_" && !in_array($item, ['score', 'random', 'boost_document'])
               && ((strpos( $item, "sm_" ) === 0) || (strpos( $item, "tm_" ) === 0) || (strpos($item, "sort_ss_") === 0) || (strpos($item, "ts_") === 0)
                 || (strpos($item, "ss_") === 0)
               )){
               array_push($query_fields, '('.$item. ':'. $tmp .')');
+
+              // Add case insensitive fields in the query search fields
+              if ($case_insensitive_field !== '') {
+                $item_prefix = substr($item, 0, 3);
+                if ($item_prefix == "ss_" || $item_prefix == "sm_") {
+                  $case_insensitive_item = str_replace($item_prefix,$case_insensitive_field, $item);
+                  array_push($query_fields, '('.$case_insensitive_item. ':'. $tmp .')');
+                }
+              }
+
             }
           }
         }
@@ -190,14 +201,30 @@ class AdvancedSearchQuery {
         $query_fields = [];
         foreach ($field_mapping as $key => $field) {
           foreach ($field as $f => $item) {
-            if (strpos($item, 'sticky') === false) {
+            // bs_ are boolean fields, do not work well with text search
+            if (substr($item, 0, 3) !== "bs_") {
               array_push($query_fields, $item);
+
+              if ($case_insensitive_field !== '') {
+                $item_prefix = substr($item, 0, 3);
+                if ($item_prefix == "ss_" || $item_prefix == "sm_") {
+                  $case_insensitive_item = str_replace($item_prefix,$case_insensitive_field, $item);
+                  array_push($query_fields, $case_insensitive_item);
+                }
+              }
             }
           }
         }
         $query_fields = implode(" ", array_unique($query_fields));
         $dismax->setQueryFields($query_fields);
+
+        // Looks like, somewhere in the previous steps, double quotes get added, we are removing them!
+        // ToDo: Look into where the original quotes are being added, and remove it there!
+        $q = trim($q);
+        $q = substr($q, 1);
+        $q = substr($q, 0, -1);
       }
+
       $solarium_query->setQuery($q);
     }
   }

src/Form/SettingsForm.php

@@ -22,7 +22,7 @@ class SettingsForm extends ConfigFormBase {
   const SEARCH_ADD_OPERATOR = 'search_add_operator';
   const SEARCH_REMOVE_OPERATOR = 'search_remove_operator';
   const FACET_TRUNCATE = 'facet_truncate';
-
+  const SOLR_CASE_INSENSITIVE_FIELD_PREFIX = "case_insensitive_solr_field_prefix";
   const LUCENE_SEARCH_FLAG = 'lucene_on_off';
   const LUCENE_SEARCH_LABEL = 'lucene_label';
 
@@ -103,6 +103,16 @@ class SettingsForm extends ConfigFormBase {
           '#min' => 1,
         ],
       ],
+      'solr_case_insensitive_field_prefix' => [
+        '#type' => 'fieldset',
+        '#title' => $this->t('Case Insensitive Search'),
+        self::SOLR_CASE_INSENSITIVE_FIELD_PREFIX => [
+          '#type' => 'textfield',
+          '#title' => $this->t('Prefix for Solr Case Insensitive Field'),
+          '#description' => $this->t('If you have configured case insenstive fields, please specify the prefix here (i.e sss_lowercase_)'),
+          '#default_value' => self::getConfig(self::SOLR_CASE_INSENSITIVE_FIELD_PREFIX, ""),
+        ],
+      ],
     ];
 
     $form['lucene'] =  [
@@ -150,7 +160,7 @@ class SettingsForm extends ConfigFormBase {
       ->set(self::SEARCH_ADD_OPERATOR, $form_state->getValue(self::SEARCH_ADD_OPERATOR))
       ->set(self::SEARCH_REMOVE_OPERATOR, $form_state->getValue(self::SEARCH_REMOVE_OPERATOR))
       ->set(self::FACET_TRUNCATE, $form_state->getValue(self::FACET_TRUNCATE))
-
+      ->set(self::SOLR_CASE_INSENSITIVE_FIELD_PREFIX, $form_state->getValue(self::SOLR_CASE_INSENSITIVE_FIELD_PREFIX))
       ->set(self::LUCENE_SEARCH_FLAG, $form_state->getValue(self::LUCENE_SEARCH_FLAG))
       ->set(self::LUCENE_SEARCH_LABEL, $form_state->getValue(self::LUCENE_SEARCH_LABEL))