Parse and save structured event fields in snowplow collector

- Add mappings for structured event params
- Update tests

lib/product_analytics/event_params.rb

@@ -40,7 +40,12 @@ module ProductAnalytics
         domain_userid:            params['duid'],
         user_fingerprint:         params['fp'],
         page_referrer:            params['refr'],
-        page_url:                 params['url']
+        page_url:                 params['url'],
+        se_category:              params['se_ca'],
+        se_action:                params['se_ac'],
+        se_label:                 params['se_la'],
+        se_property:              params['se_pr'],
+        se_value:                 params['se_va']
       }
     end
 

spec/fixtures/product_analytics/event.json

@@ -12,5 +12,10 @@
   "lang":"en-US",
   "cookie":"1",
   "tz":"America/Los_Angeles",
-  "cs":"UTF-8"
+  "cs":"UTF-8",
+  "se_ca": "category",
+  "se_ac": "action",
+  "se_la": "label",
+  "se_pr": "property",
+  "se_va": 12.34
 }

spec/lib/product_analytics/event_params_spec.rb

@@ -23,7 +23,12 @@ RSpec.describe ProductAnalytics::EventParams do
         br_lang: 'en-US',
         br_cookies: true,
         os_timezone: 'America/Los_Angeles',
-        doc_charset: 'UTF-8'
+        doc_charset: 'UTF-8',
+        se_category: 'category',
+        se_action: 'action',
+        se_label: 'label',
+        se_property: 'property',
+        se_value: 12.34
       }
 
       expect(subject).to include(expected_params)

spec/requests/product_analytics/collector_app_spec.rb

@@ -5,6 +5,7 @@ require 'spec_helper'
 RSpec.describe 'ProductAnalytics::CollectorApp' do
   let_it_be(:project) { create(:project) }
   let(:params) { {} }
+  let(:raw_event) { Gitlab::Json.parse(fixture_file('product_analytics/event.json')) }
 
   subject { get '/-/collector/i', params: params }
 
@@ -17,24 +18,7 @@ RSpec.describe 'ProductAnalytics::CollectorApp' do
   end
 
   context 'correct event params' do
-    let(:params) do
-      {
-        aid: project.id,
-        p: 'web',
-        tna: 'sp',
-        tv: 'js-2.14.0',
-        eid: SecureRandom.uuid,
-        duid: SecureRandom.uuid,
-        sid: SecureRandom.uuid,
-        vid: 4,
-        url: 'http://example.com/products/1',
-        refr: 'http://example.com/products/1',
-        lang: 'en-US',
-        cookie: true,
-        tz: 'America/Los_Angeles',
-        cs: 'UTF-8'
-      }
-    end
+    let(:params) { raw_event.merge(aid: project.id) }
 
     it 'repond with 200' do
       expect { subject }.to change { ProductAnalyticsEvent.count }.by(1)