[Feature] Detect browser on conversation initiation (#208)

Gemfile

@@ -12,6 +12,7 @@ gem 'therubyracer', platforms: :ruby
 ##-- rails helper gems --##
 gem 'acts-as-taggable-on', git: 'https://github.com/mbleigh/acts-as-taggable-on'
 gem 'attr_extras'
+gem 'browser'
 gem 'hashie'
 gem 'jbuilder', '~> 2.5'
 gem 'kaminari'

Gemfile.lock

@@ -158,6 +158,7 @@ GEM
     bootsnap (1.4.5)
       msgpack (~> 1.0)
     brakeman (4.7.0)
+    browser (2.7.0)
     buftok (0.2.0)
     builder (3.2.3)
     byebug (11.0.1)
@@ -454,6 +455,7 @@ DEPENDENCIES
   attr_extras
   bootsnap
   brakeman
+  browser
   byebug
   carrierwave-aws
   chargebee (~> 2)

app/controllers/api/v1/widget/messages_controller.rb

@@ -36,7 +36,20 @@ class Api::V1::Widget::MessagesController < ActionController::Base
     {
       account_id: inbox.account_id,
       inbox_id: inbox.id,
-      contact_id: cookie_params[:contact_id]
+      contact_id: cookie_params[:contact_id],
+      additional_attributes: {
+        browser: browser_params
+      }
+    }
+  end
+
+  def browser_params
+    {
+      browser_name: browser.name,
+      browser_version: browser.full_version,
+      device_name: browser.device.name,
+      platform_name: browser.platform.name,
+      platform_version: browser.platform.version
     }
   end
 

db/migrate/20191116073924_add_additional_attributes_to_conversation.rb

@@ -0,0 +1,5 @@
+class AddAdditionalAttributesToConversation < ActiveRecord::Migration[6.1]
+  def change
+    add_column :conversations, :additional_attributes, :jsonb
+  end
+end

db/schema.rb

@@ -10,7 +10,8 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2019_10_27_054756) do
+ActiveRecord::Schema.define(version: 2019_11_16_073924) do
+
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
@@ -101,6 +102,7 @@ ActiveRecord::Schema.define(version: 2019_10_27_054756) do
     t.datetime "user_last_seen_at"
     t.datetime "agent_last_seen_at"
     t.boolean "locked", default: false
+    t.jsonb "additional_attributes"
     t.index ["account_id", "display_id"], name: "index_conversations_on_account_id_and_display_id", unique: true
     t.index ["account_id"], name: "index_conversations_on_account_id"
   end