Support role param for contributor browse filters with roles

Author: yossariano

lib/api-request.js

@@ -73,6 +73,10 @@ class ApiRequest {
     return this.params.subject_prefix
   }
 
+  hasContributorRole () {
+    return this.params.role && this.params.filters.contributorLiteral
+  }
+
   static fromParams (params) {
     return new ApiRequest(params)
   }

lib/elasticsearch/elastic-query-builder.js

@@ -87,6 +87,10 @@ class ElasticQueryBuilder {
     if (this.request.hasSubjectPrefix()) {
       this.applySubjectPrefix()
     }
+
+    if (this.request.hasContributorRole()) {
+      this.applyContributorRole()
+    }
   }
 
   /**
@@ -170,6 +174,13 @@ class ElasticQueryBuilder {
     ])
   }
 
+  /**
+   * Concat contributor + role if role param is provided
+   */
+  applyContributorRole () {
+    this.query.addMust(termMatch('contributorRoleLiteral', this.request.params.filters.contributorLiteral + '||' + this.request.params.role))
+  }
+
   /**
   * Build ES query for standard_number searches
   */

lib/resources.js

@@ -85,6 +85,7 @@ const parseSearchParams = function (params, overrideParams = {}) {
     issn: { type: 'string' },
     lccn: { type: 'string' },
     oclc: { type: 'string' },
+    role: { type: 'string' },
     merge_checkin_card_items: { type: 'boolean', default: true },
     include_item_aggregations: { type: 'boolean', default: true },
     ...overrideParams

test/elastic-query-builder.test.js

@@ -252,6 +252,14 @@ describe('ElasticQueryBuilder', () => {
       expect(inst.query.toJson()).to.nested
         .include({ 'bool.filter[0].term.genreForm\\.raw': 'Maps' })
     })
+
+    it('supports contributor + role', () => {
+      const request = new ApiRequest({ q: '', role: 'performer.', filters: { contributorLiteral: 'Patinkin, Mandy' } })
+      const inst = ElasticQueryBuilder.forApiRequest(request)
+
+      expect(inst.query.toJson()).to.nested
+        .include({ 'bool.must[0].term.contributorRoleLiteral.value': 'Patinkin, Mandy||performer.' })
+    })
   })
 
   describe('Advanced Search query params', () => {