Merge pull request typicode#23 from manuquentin/global_filter

[RFR] Add global search

Author: typicode

src/routes.js

@@ -26,10 +26,26 @@ routes.list = function(req, res, next) {
   }
 
   for (var key in req.query) {
-    if (key !== 'callback') props[key] = utils.toNative(req.query[key])
+    if (key !== 'callback' && key != 'q') props[key] = utils.toNative(req.query[key])
   }
 
-  if (_(props).isEmpty()) {
+  if(req.query.q !== undefined) {
+    var q = req.query.q.toLowerCase(),
+        keys = _.keys(low(req.params.resource).first()),
+        callback = function(element) {
+            for(var i in keys) {
+                var value = element[keys[i]];
+
+                if (value === q || (_.isString(value) && value.toLowerCase().indexOf(q) !== -1)) {
+                    return true;
+                }
+            }
+
+            return false;
+        }
+
+    resource = low(req.params.resource).where(callback).value()
+  } else if (_(props).isEmpty()) {
     resource = low(req.params.resource).value()
   } else {
     resource = low(req.params.resource).where(props).value()
@@ -92,4 +108,4 @@ routes.destroy = function(req, res, next) {
   res.send(204)
 }
 
-module.exports = routes
+module.exports = routes

test/server.js

@@ -13,6 +13,12 @@ describe('Server', function() {
       {id: 2, body: 'bar'}
     ]
 
+    low.db.tags = [
+      {id: 1, body: 'Technology'},
+      {id: 2, body: 'Photography'},
+      {id: 3, body: 'photo'}
+    ]
+
     low.db.comments = [
       {id: 1, published: true,  postId: 1},
       {id: 2, published: false, postId: 1},
@@ -55,6 +61,32 @@ describe('Server', function() {
     })
   })
 
+  describe('GET /:resource?q=value', function() {
+    it('should respond with json and filter all begin of fields of resources', function(done) {
+      request(server)
+        .get('/tags?q=photo')
+        .expect('Content-Type', /json/)
+        .expect([low.db.tags[1], low.db.tags[2]])
+        .expect(200, done)
+    })
+
+    it('should respond with json and filter everywhere of all fields of resources', function(done) {
+        request(server)
+            .get('/tags?q=t')
+            .expect('Content-Type', /json/)
+            .expect(low.db.tags)
+            .expect(200, done)
+    })
+
+    it('should not respond anything when the query does not many any data', function(done) {
+        request(server)
+            .get('/tags?q=nope')
+            .expect('Content-Type', /json/)
+            .expect([])
+            .expect(200, done)
+    })
+  })
+
   describe('GET /:resource?_start=&_end=', function() {
     it('should respond with sliced array', function(done) {
       request(server)
@@ -171,4 +203,4 @@ describe('Server', function() {
     });
 
   })
-})
+})