feat: boost display fields in solr query

Author: LukasLohoff

Diff for: resources/config/gis-client-config.js

@@ -27,6 +27,7 @@ var clientConfig = {
     defaultUseViewBox: true,
     useNominatim: true,
     groupByCategory: true,
+    boostDisplayedFields: false,
     useSolrHighlighting: true,
     delay: 1000,
     minChars: 3,

Diff for: src/components/MultiSearch/index.tsx

@@ -226,7 +226,16 @@ export const MultiSearch: React.FC<MultiSearchProps> = ({
           };
 
           if (q.fieldList) {
-            solrQueryConfig.qf = q.fieldList;
+            let qf = q.fieldList;
+            if (q.displayTemplates && ClientConfiguration.search?.boostDisplayedFields) {
+              // boost all fields which are part of the display template
+              qf = q.fieldList
+                .split(' ')
+                // todo: do we want do require a match for all displayTempaltes (every) or for any (some)
+                .map(field => q.displayTemplates?.some(dt => dt.indexOf(field) >= 0) ? `${field}^3` : field)
+                .join(' ');
+            }
+            solrQueryConfig.qf = qf;
           } else {
             solrQueryConfig.qf = ClientConfiguration.search?.coreName ?? 'search';
           }

Diff for: src/global.d.ts

@@ -28,6 +28,7 @@ declare module 'clientConfig' {
     solrBasePath?: string;
     useNominatim?: boolean;
     groupByCategory?: boolean;
+    boostDisplayedFields?: boolean;
     useSolrHighlighting?: boolean;
     defaultUseViewBox?: boolean;
     delay?: number;

Diff for: src/utils/generateSolrQuery.ts

@@ -1,4 +1,5 @@
 import _groupBy from 'lodash/groupBy';
+import _isNil from 'lodash/isNil';
 import Map from 'ol/Map';
 
 import {
@@ -18,6 +19,7 @@ export interface SolrQueryProps {
 type SolrQuery = {
   query: string;
   fieldList?: string;
+  displayTemplates?: string[];
 };
 
 /**
@@ -45,11 +47,16 @@ export const generateSolrQuery = ({
       .filter(l => isWmsLayer(l))
       .map(l => (l as WmsLayer).getSource()?.getParams()?.LAYERS);
 
+    const displayTemplates = layerList
+      .map(l => (l.get('searchConfig') as SearchConfig)?.displayTemplate)
+      .filter(d => d) as string[];
+
     const queriesPerQueryFields = layerNames.map(layerName => `(featureType:"${layerName}" AND (${generateSearchQuery(parts)}))`);
     const query = queriesPerQueryFields.join(' OR ');
     searchQueries.push({
       query: query,
-      fieldList: key !== 'undefined' ? key.split(',').join(' ') : undefined
+      fieldList: key !== 'undefined' ? key.split(',').join(' ') : undefined,
+      displayTemplates: displayTemplates
     });
   });