Update tag if present on subsequent requests

jasminetest/loggly-tracker-spec.js

@@ -165,5 +165,34 @@ describe("loggly.tracker", function() {
         expect(localTracker.track).toHaveBeenCalledWith(data);
         expect(_LTracker.track).not.toHaveBeenCalled()
     });
-
-});
+
+    it("sets the tag and baseTag on initial push", function() {
+        var localTracker = new LogglyTracker(),
+            madeupKey = 'madeupkey',
+            baseTag = 'tag1',
+            secondTag = 'tag2',
+            thirdTag = 'tag3';
+
+        localTracker.push({'logglyKey':madeupKey, 'tag':baseTag});
+
+        expect(localTracker.tag).toBe(baseTag);
+        expect(localTracker.baseTag).toBe(baseTag);
+        expect(localTracker.inputUrl).toContain('/tag/' + baseTag);
+
+        localTracker.push({'tag':secondTag});
+
+        expect(localTracker.inputUrl).toContain('/tag/' + baseTag);
+        expect(localTracker.inputUrl).not.toContain('/tag/' + baseTag + ',' + secondTag);
+
+        localTracker.push({'tag':thirdTag});
+
+        expect(localTracker.inputUrl).toContain('/tag/' + baseTag);
+        expect(localTracker.inputUrl).not.toContain('/tag/' + baseTag + ',' + thirdTag);
+        expect(localTracker.inputUrl).not.toContain('/tag/' + baseTag + ',' + secondTag + ',' + thirdTag);
+
+        localTracker.push({'foo':'bar'});
+
+        expect(localTracker.inputUrl).toContain('/tag/' + baseTag);
+    });
+
+});

src/loggly.tracker.js

@@ -29,6 +29,7 @@
 
     function setTag(tracker, tag) {
         tracker.tag = tag;
+        setInputUrl(tracker);
     }
 
     function setDomainProxy(tracker, useDomainProxy) {
@@ -109,7 +110,8 @@
             }
 
             var self = this;
-
+            var isInitialPush = !!data.logglyKey;
+            var isTagPresent = !!data.tag;
 
             if (type === 'string') {
                 data = {
@@ -125,8 +127,14 @@
                     setSendConsoleError(self, data.sendConsoleErrors);
                 }
 
-                if (data.tag) {
-                    setTag(self, data.tag);
+                if (isTagPresent) {
+                    // if this is the initial push, save this tag as the "base" tag
+                    if (isInitialPush) {
+                        self.baseTag = data.tag;
+                        setTag(self, data.tag);
+                    } else {
+                        setTag(self, self.baseTag + ',' + data.tag);
+                    }
                 }
 
                 if (data.useUtfEncoding !== undefined) {
@@ -154,7 +162,9 @@
 
             self.track(data);
 
-
+            if (isTagPresent && !isInitialPush) {
+                setTag(self, self.baseTag);
+            }
         },
         track: function (data) {
             // inject session id