[Feature] Email collect message hooks (#331)

- Add email collect hook on creating conversation
- Merge contact if it already exist

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

@@ -0,0 +1,29 @@
+class Api::V1::Widget::BaseController < ApplicationController
+  private
+
+  def conversation
+    @conversation ||= @contact_inbox.conversations.find_by(
+      inbox_id: auth_token_params[:inbox_id]
+    )
+  end
+
+  def auth_token_params
+    @auth_token_params ||= ::Widget::TokenService.new(token: request.headers[header_name]).decode_token
+  end
+
+  def header_name
+    'X-Auth-Token'
+  end
+
+  def set_web_widget
+    @web_widget = ::Channel::WebWidget.find_by!(website_token: permitted_params[:website_token])
+    @account = @web_widget.account
+  end
+
+  def set_contact
+    @contact_inbox = @web_widget.inbox.contact_inboxes.find_by(
+      source_id: auth_token_params[:source_id]
+    )
+    @contact = @contact_inbox.contact
+  end
+end

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

@@ -1,6 +1,8 @@
-class Api::V1::Widget::MessagesController < ActionController::Base
-  skip_before_action :verify_authenticity_token
+class Api::V1::Widget::MessagesController < Api::V1::Widget::BaseController
+  before_action :set_web_widget
+  before_action :set_contact
   before_action :set_conversation, only: [:create]
+  before_action :set_message, only: [:update]
 
   def index
     @messages = conversation.nil? ? [] : message_finder.perform
@@ -9,17 +11,19 @@ class Api::V1::Widget::MessagesController < ActionController::Base
   def create
     @message = conversation.messages.new(message_params)
     @message.save!
+    render json: @message
+  end
+
+  def update
+    @message.update!(input_submitted_email: permitted_params[:contact][:email])
+    update_contact(permitted_params[:contact][:email])
+    head :no_content
+  rescue StandardError => e
+    render json: { error: @contact.errors, message: e.message }.to_json, status: 500
   end
 
   private
 
-  def conversation
-    @conversation ||= ::Conversation.find_by(
-      contact_id: cookie_params[:contact_id],
-      inbox_id: cookie_params[:inbox_id]
-    )
-  end
-
   def set_conversation
     @conversation = ::Conversation.create!(conversation_params) if conversation.nil?
   end
@@ -37,7 +41,8 @@ class Api::V1::Widget::MessagesController < ActionController::Base
     {
       account_id: inbox.account_id,
       inbox_id: inbox.id,
-      contact_id: cookie_params[:contact_id],
+      contact_id: @contact.id,
+      contact_inbox_id: @contact_inbox.id,
       additional_attributes: {
         browser: browser_params,
         referer: permitted_params[:message][:referer_url],
@@ -63,13 +68,7 @@ class Api::V1::Widget::MessagesController < ActionController::Base
   end
 
   def inbox
-    @inbox ||= ::Inbox.find_by(id: cookie_params[:inbox_id])
-  end
-
-  def cookie_params
-    @cookie_params ||= JWT.decode(
-      request.headers[header_name], secret_key, true, algorithm: 'HS256'
-    ).first.symbolize_keys
+    @inbox ||= ::Inbox.find_by(id: auth_token_params[:inbox_id])
   end
 
   def message_finder_params
@@ -83,15 +82,27 @@ class Api::V1::Widget::MessagesController < ActionController::Base
     @message_finder ||= MessageFinder.new(conversation, message_finder_params)
   end
 
-  def header_name
-    'X-Auth-Token'
+  def update_contact(email)
+    contact_with_email = @account.contacts.find_by(email: email)
+    if contact_with_email
+      ::ContactMergeAction.new(account: @account, base_contact: contact_with_email, mergee_contact: @contact).perform
+    else
+      @contact.update!(
+        email: permitted_params[:contact][:email],
+        name: contact_name
+      )
+    end
+  end
+
+  def contact_name
+    permitted_params[:contact][:email].split('@')[0]
   end
 
   def permitted_params
-    params.permit(:before, message: [:content, :referer_url, :timestamp])
+    params.permit(:id, :before, :website_token, contact: [:email], message: [:content, :referer_url, :timestamp])
   end
 
-  def secret_key
-    Rails.application.secrets.secret_key_base
+  def set_message
+    @message = @web_widget.inbox.messages.find(permitted_params[:id])
   end
 end