advanced search filters

apps/server/src/core/search/dto/search.dto.ts

@@ -1,4 +1,5 @@
 import {
+  IsArray,
   IsBoolean,
   IsNotEmpty,
   IsNumber,
@@ -24,6 +25,11 @@ export class SearchDTO {
   @IsUUID()
   creatorId?: string;
 
+  @IsOptional()
+  @IsArray()
+  @IsUUID('all', { each: true })
+  labelIds?: string[];
+
   @IsOptional()
   @IsNumber()
   limit?: number;

apps/server/src/core/search/search.service.ts

@@ -35,6 +35,7 @@ export class SearchService {
       return { items: [] };
     }
     const searchQuery = tsquery(query.trim() + '*');
+    const labelIds = [...new Set(searchParams.labelIds ?? [])];
 
     let queryResults = this.db
       .selectFrom('pages')
@@ -62,6 +63,22 @@ export class SearchService {
       .$if(Boolean(searchParams.creatorId), (qb) =>
         qb.where('creatorId', '=', searchParams.creatorId),
       )
+      .$if(labelIds?.length > 0, (qb) =>
+        qb.where(
+          'id',
+          'in',
+          this.db
+            .selectFrom('pageLabels')
+            .select('pageId')
+            .where('labelId', 'in', labelIds)
+            .groupBy('pageId')
+            .having(
+              sql<number>`count(distinct "label_id")`,
+              '=',
+              labelIds.length,
+            ),
+        ),
+      )
       .where('deletedAt', 'is', null)
       .orderBy('rank', 'desc')
       .limit(searchParams.limit || 25)