Add function to fetch custom fields autocomplete results

Author: anttiai

src/apifetch.js

@@ -20,7 +20,7 @@ var executeApiFetch = function(sitekey, type, settings, cb) {
 
 
   // Validate query type
-  if (type !== 'search' && type !== 'suggest') {
+  if (type !== 'search' && type !== 'suggest' && type !== 'autocomplete') {
     cb({error: {response: RESPONSE_BAD_REQUEST, message: 'invalid query type'}});
     return;
   }
@@ -29,8 +29,14 @@ var executeApiFetch = function(sitekey, type, settings, cb) {
   var kw = '';
   var qs = '';
 
+  // API Path (eq. /search, /suggest, /autocomplete/document-field)
+  var apiPath = null;
+
   // Search
   if (type === 'search') {
+    // Path
+    apiPath = type;
+
     // Keyword
     kw = settings.keyword;
 
@@ -93,13 +99,21 @@ var executeApiFetch = function(sitekey, type, settings, cb) {
 
   // Suggest
   else if (type === 'suggest') {
+    apiPath = type;
     qs = settingToQueryParam(settings.suggestionsSize, 'size');
     kw = settings.suggestionsPrefix;
   }
 
+  // Autocomplete
+  else if (type === 'autocomplete') {
+    apiPath = 'autocomplete/document-field';
+    qs = settingToQueryParam(settings.autocomplete.field, 'source');
+    kw = settings.autocomplete.prefix;
+  }
+
 
   // Execute API call
-  fetch('https://api.addsearch.com/v1/' + type + '/' + sitekey + '?term=' + kw + qs)
+  fetch('https://api.addsearch.com/v1/' + apiPath + '/' + sitekey + '?term=' + kw + qs)
     .then(function(response) {
       return response.json();
     }).then(function(json) {

src/index.js

@@ -61,6 +61,21 @@ var client = function(sitekey) {
   }
 
 
+  /**
+   * Fetch field autocompletes
+   *
+   * @param keyword
+   */
+  this.autocomplete = function(field, prefix, callback) {
+    if (!field || !prefix || !callback || !util.isFunction(callback)) {
+      throw "Illegal autocomplete parameters. Should be (field, prefix, callbackFunction)";
+    }
+    this.settings.setAutocompleteParams(field, prefix);
+    console.log('autocomplete..');
+    executeApiFetch(this.sitekey, 'autocomplete', this.settings.getSettings(), callback);
+  }
+
+
   /**
    * Public functions
    */

src/settings.js

@@ -37,6 +37,13 @@ var settings = function() {
     this.settings.suggestionsSize = size;
   }
 
+  this.setAutocompleteParams = function(field, prefix) {
+    this.settings.autocomplete = {
+      field: field,
+      prefix: prefix
+    };
+  }
+
   this.setLanguage = function(language) {
     if (language && language.length !== 2) {
       throw "use 2-char language code (e.g. \"en\")";