From c275684ee9e0ece35033e001d00765e522232d44 Mon Sep 17 00:00:00 2001
From: kielni <kimberly@liveworld.com>
Date: Tue, 4 Feb 2014 13:48:53 -0800
Subject: [PATCH] add support for terms filter; related to
 32f5977ac39df3df832b6b6b56152261a6ad7cd9

---
 src/backend.memory.js       |  9 +++++++++
 test/backend.memory.test.js | 14 ++++++++++++++
 2 files changed, 23 insertions(+)

diff --git a/src/backend.memory.js b/src/backend.memory.js
index 0c83a7d1a..8cb64ddfa 100644
--- a/src/backend.memory.js
+++ b/src/backend.memory.js
@@ -101,6 +101,7 @@ this.recline.Backend.Memory = this.recline.Backend.Memory || {};
       // register filters
       var filterFunctions = {
         term         : term,
+        terms        : terms,
         range        : range,
         geo_distance : geo_distance
       };
@@ -140,6 +141,14 @@ this.recline.Backend.Memory = this.recline.Backend.Memory || {};
         return (value === term);
       }
 
+      function terms(record, filter) {
+        var parse = getDataParser(filter);
+        var value = parse(record[filter.field]);
+        var terms  = parse(filter.terms).split(",");
+
+        return (_.indexOf(terms, value) >= 0);
+      }
+
       function range(record, filter) {
         var fromnull = (_.isUndefined(filter.from) || filter.from === null || filter.from === '');
         var tonull = (_.isUndefined(filter.to) || filter.to === null || filter.to === '');
diff --git a/test/backend.memory.test.js b/test/backend.memory.test.js
index 440e7d8d0..cbe84ad61 100644
--- a/test/backend.memory.test.js
+++ b/test/backend.memory.test.js
@@ -99,6 +99,13 @@ test('filters', function () {
     deepEqual(_.pluck(out.hits, 'country'), ['UK','UK','UK']);
   });
 
+  query = new recline.Model.Query();
+  query.addFilter({type: 'terms', field: 'country', terms: ['UK','DE']});
+  data.query(query.toJSON()).then(function(out) {
+    equal(out.total, 5);
+    deepEqual(_.pluck(out.hits, 'country'), ['DE','UK','UK','UK','DE']);
+  });
+
   query = new recline.Model.Query();
   query.addFilter({type: 'range', field: 'date', from: '2011-01-01', to: '2011-05-01'});
   data.query(query.toJSON()).then(function(out) {
@@ -307,6 +314,13 @@ test('filters', function () {
     deepEqual(dataset.records.pluck('country'), ['UK', 'UK', 'UK']);
   });
 
+  dataset = makeBackendDataset();
+  dataset.queryState.addFilter({type: 'terms', field: 'country', terms: ['UK','DE']});
+  dataset.query().then(function() {
+    equal(dataset.records.length, 5);
+    deepEqual(dataset.records.pluck('country'), ['DE','UK', 'UK', 'UK','DE']);
+  });
+
   dataset = makeBackendDataset();
   dataset.queryState.addFilter({type: 'range', field: 'date', from: '2011-01-01', to: '2011-05-01'});
   dataset.query().then(function() {