Improve search queries (#755)

* refactoring search fields

* Searching without spaces

* Adapting nospace term to a prefix query

* Fixing algorithm/dataset filter

* filtering using match

* Removing addTypeFilterToQuery()

* Removing console log messages

src/components/templates/Search/utils.ts

@@ -33,15 +33,6 @@ export const FilterByTypeOptions = {
 type FilterByTypeOptions =
   typeof FilterByTypeOptions[keyof typeof FilterByTypeOptions]
 
-function addTypeFilterToQuery(sortTerm: string, typeFilter: string): string {
-  sortTerm = typeFilter
-    ? sortTerm === ''
-      ? `service.attributes.main.type:${typeFilter}`
-      : `${sortTerm} AND service.attributes.main.type:${typeFilter}`
-    : sortTerm
-  return sortTerm
-}
-
 function getSortType(sortParam: string): string {
   const sortTerm =
     sortParam === SortTermOptions.Created
@@ -65,7 +56,6 @@ export function getSearchQuery(
   const sortTerm = getSortType(sort)
   const sortValue = sortOrder === SortValueOptions.Ascending ? 1 : -1
   const emptySearchTerm = text === undefined || text === ''
-
   let searchTerm = owner
     ? `(publicKey.owner:${owner})`
     : tags
@@ -77,16 +67,26 @@ export function getSearchQuery(
     : text || ''
 
   searchTerm = searchTerm.trim()
-  let modifiedSearchTerm = searchTerm.split(' ').join(' OR ').trim()
+  const modifiedSearchTerm = searchTerm.split(' ').join(' OR ').trim()
-  modifiedSearchTerm = addTypeFilterToQuery(modifiedSearchTerm, serviceType)
+  const noSpaceSearchTerm = searchTerm.split(' ').join('').trim()
-  searchTerm = addTypeFilterToQuery(searchTerm, serviceType)
+
   const prefixedSearchTerm =
     emptySearchTerm && searchTerm
       ? searchTerm
       : !emptySearchTerm && searchTerm
       ? '*' + searchTerm + '*'
       : '**'
-
+  const searchFields = [
+    'id',
+    'publicKey.owner',
+    'dataToken',
+    'dataTokenInfo.name',
+    'dataTokenInfo.symbol',
+    'service.attributes.main.name^10',
+    'service.attributes.main.author',
+    'service.attributes.additionalInformation.description',
+    'service.attributes.additionalInformation.tags'
+  ]
   return {
     page: Number(page) || 1,
     offset: Number(offset) || 21,
@@ -99,22 +99,20 @@ export function getSearchQuery(
                 {
                   query_string: {
                     query: `${modifiedSearchTerm}`,
-                    fields: [
+                    fields: searchFields,
-                      'id',
-                      'publicKey.owner',
-                      'dataToken',
-                      'dataTokenInfo.name',
-                      'dataTokenInfo.symbol',
-                      'service.attributes.main.name^10',
-                      'service.attributes.main.author',
-                      'service.attributes.additionalInformation.description',
-                      'service.attributes.additionalInformation.tags'
-                    ],
                     minimum_should_match: '2<75%',
                     phrase_slop: 2,
                     boost: 5
                   }
                 },
+                {
+                  query_string: {
+                    query: `${noSpaceSearchTerm}*`,
+                    fields: searchFields,
+                    boost: 5,
+                    lenient: true
+                  }
+                },
                 {
                   match_phrase: {
                     content: {
@@ -126,23 +124,21 @@ export function getSearchQuery(
                 {
                   query_string: {
                     query: `${prefixedSearchTerm}`,
-                    fields: [
+                    fields: searchFields,
-                      'id',
-                      'publicKey.owner',
-                      'dataToken',
-                      'dataTokenInfo.name',
-                      'dataTokenInfo.symbol',
-                      'service.attributes.main.name',
-                      'service.attributes.main.author',
-                      'service.attributes.additionalInformation.description',
-                      'service.attributes.additionalInformation.tags'
-                    ],
                     default_operator: 'AND'
                   }
                 }
               ]
             }
           },
+          {
+            match: {
+              'service.attributes.main.type':
+                serviceType === undefined
+                  ? 'dataset OR algorithm'
+                  : `${serviceType}`
+            }
+          },
           {
             query_string: {
               query: `${transformChainIdsListToQuery(chainIds)}`