Revert "Remove VVA service tile from monitor application (#154)"

This reverts commit ba9d049.

.gitignore

@@ -26,6 +26,4 @@
 
 # Ignore bundle gems and assets
 vendor/*
-public/*
-
-Makefile
+public/*

Gemfile

@@ -29,6 +29,7 @@ end
 
 group :production do
   gem 'connect_vbms', git: "https://github.com/department-of-veterans-affairs/connect_vbms.git", branch: 'master'
+  gem 'connect_vva', git: "https://github.com/department-of-veterans-affairs/connect_vva.git", branch: 'master'
   gem 'bgs', git: "https://github.com/department-of-veterans-affairs/ruby-bgs.git", branch: 'master'
   gem 'activerecord-oracle_enhanced-adapter', '~> 5.2.0'
   gem 'ruby-oci8'

Gemfile.lock

@@ -25,6 +25,14 @@ GIT
       xmldsig (~> 0.3.1)
       xmlenc
 
+GIT
+  remote: https://github.com/department-of-veterans-affairs/connect_vva.git
+  revision: dfd1aeb2605c1f237f520bcdc41b059202e8944d
+  branch: master
+  specs:
+    connect_vva (0.1)
+      savon (~> 2.11, >= 2.11.0)
+
 GIT
   remote: https://github.com/department-of-veterans-affairs/ruby-bgs.git
   revision: 98547485d863f2f0d3bb9a1b9ec92a8fe21ba306
@@ -294,6 +302,7 @@ DEPENDENCIES
   caseflow!
   coffee-rails (~> 4.2, >= 4.2.1)
   connect_vbms!
+  connect_vva!
   dogapi
   dotenv-rails (>= 2.1.2)
   jbuilder (~> 2.5)

app/jobs/monitor_job.rb

@@ -56,6 +56,7 @@ def setup_services
         Fakes::BGSVeteranService,
         Fakes::VacolsService,
         Fakes::VBMSServiceFindDocumentVersionReference,
+        Fakes::VVAService,
         Fakes::LaggyService,
         Fakes::UnreliableService,
         Fakes::AlwaysDownService,
@@ -73,6 +74,7 @@ def setup_services
         BGSVeteranService,
         VacolsService,
         VBMSServiceFindDocumentVersionReference,
+        VVAService,
         TraceRouteService
       ]
     end

app/services/vva_service.rb

@@ -0,0 +1,51 @@
+require "vva"
+
+class VVAService < MonitorService
+  @@service_name = "VVA"
+
+  def initialize
+
+    @client = init_client
+
+    @name = @@service_name
+    @service = "DocumentList"
+    @env = ENV['VVA_ENV']
+    @api = "GetDocumentList"
+    super
+  end
+
+  def query_service
+    # All failures in the call to get_by_claim_number (invalid login credentials, file number too short)
+    # should raise a VVA::SOAPError. If the call to get_by_claim_number succeeds then @pass will be true,
+    # even if there are no documents.
+
+    # Use ENV variable directly here instead of Rails.application.secrets because ERB.new() is converting input numbers
+    # with leading zeroes to integers and changing their value as a result. Our current production VVA_FILE_NUM starts
+    # with a zero, so VVA status checks were failing.
+    # 
+    # Reference: https://github.com/rails/rails/blob/5-2-stable/railties/lib/rails/secrets.rb#L29
+    # Example failure: YAML.load(ERB.new("example: 012345").result) # => {"example"=>5349}
+    @client.document_list.get_by_claim_number(ENV["VVA_FILE_NUM"])
+    @pass = true
+  end
+
+
+  def self.service_name
+    @@service_name
+  end
+
+  def self.prevalidate
+    return ENV.key?("VVA_WSDL")
+  end
+
+  private
+
+  def init_client
+    VVA::Services.new(
+      wsdl: ENV['VVA_WSDL'],
+      username: ENV["VVA_USERNAME"],
+      password: ENV["VVA_PASSWORD"],
+      forward_proxy_url: ENV["CONNECT_VVA_PROXY_BASE_URL"]
+    )
+  end
+end

lib/fakes/vva_service.rb

@@ -0,0 +1,23 @@
+class Fakes::VVAService < MonitorService
+  @@service_name = "VVA"
+
+  def initialize
+    @name = @@service_name
+    @service = "DocumentList"
+    @env = "dev"
+    @api = "GetDocumentList"
+    super
+  end
+
+  def self.service_name
+    @@service_name
+  end
+
+  def query_service
+    @pass = true
+  end
+
+  def self.prevalidate
+    true
+  end
+end