Add functions to define the number of facets and to set a filter object

Author: anttiai

README.md

@@ -174,6 +174,11 @@ client.setResultType('organic');
 client.addFacetField('category');
 client.addFacetField('custom_fields.genre');
 ```
+By default, 10 facets with most hits are returned per field. 
+Use the following function to get more or less facets.
+```js
+client.setNumberOfFacets(20);
+```
 
 ## Supported web browsers and node.js versions
 The client is tested on

src/apifetch.js

@@ -55,7 +55,8 @@ var executeApiFetch = function(sitekey, type, settings, cb) {
         settingToQueryParam(settings.paging.sortOrder, 'order') +
         settingToQueryParam(settings.jwt, 'jwt') +
         settingToQueryParam(settings.resultType, 'resultType') +
-        settingToQueryParam(settings.userToken, 'userToken');
+        settingToQueryParam(settings.userToken, 'userToken') +
+        settingToQueryParam(settings.numFacets, 'numFacets');
 
       // Add custom field filters
       if (settings.customFieldFilters) {
@@ -80,6 +81,11 @@ var executeApiFetch = function(sitekey, type, settings, cb) {
         }
       }
 
+      // Filter object
+      if (settings.filterObject) {
+        qs = qs + '&filter=' + JSON.stringify(settings.filterObject);
+      }
+
     }
   }
 

src/index.js

@@ -79,8 +79,10 @@ var client = function(sitekey) {
   this.previousPage = function() { this.settings.previousPage(); }
   this.setSuggestionsSize = function(size) { this.settings.setSuggestionsSize(size); }
   this.addFacetField = function(fieldName) { this.settings.addFacetField(fieldName); }
+  this.setNumberOfFacets = function(numFacets) { this.settings.setNumberOfFacets(numFacets); }
   this.setResultType = function(type) { this.settings.setResultType(type); }
   this.setPersonalizationEvents = function(events) { this.settings.setPersonalizationEvents(events); }
+  this.setFilterObject = function(filter) { this.settings.setFilterObject(filter); }
   //this.hitClicked = function(docid, position) { sendClickHit(this.sitekey, this.settings.getSettings().keyword, docid, position); }
 }
 

src/settings.js

@@ -52,6 +52,10 @@ var settings = function() {
     this.settings.categories = categories;
   }
 
+  this.setFilterObject = function(filter) {
+    this.settings.filterObject= filter;
+  }
+
   this.setPriceRangeFilter = function(minCents, maxCents) {
     this.settings.priceFromCents = minCents;
     this.settings.priceToCents = maxCents;
@@ -113,6 +117,10 @@ var settings = function() {
     this.settings.facetFields.push(field);
   }
 
+  this.setNumberOfFacets = function(numFacets) {
+    this.settings.numFacets = numFacets;
+  }
+
   this.setPaging = function(page, pageSize, sortBy, sortOrder) {
     // Validate
     if (page < 1) {