WIP for class method services

app/interactors/authenticate_identity.rb

@@ -8,7 +8,7 @@ class AuthenticateIdentity
   end
 
   def call
-    if identity = Services::AuthService.new.authenticate!(context.token)
+    if identity = Services::AuthService.authenticate!(context.token)
       context.identity = identity
     else
       context.fail!(message: "Invalid token")

app/interactors/obtain_cert.rb

@@ -3,7 +3,7 @@ class ObtainCert
   include FailOnError
 
   def call
-    if cert = Services::CertificateService.new.issue_cert(context.request)
+    if cert = Services::CertificateService.issue_cert(context.request)
       context.cert = cert
     else
       context.fail!(message: "Failed to issue certificate")

app/interactors/refresh_domain.rb

@@ -2,7 +2,7 @@ class RefreshDomain
   include Interactor
 
   def call
-    domain_info = Services::DomainOwnershipService.new.get_domain_info(context.request.common_name)
+    domain_info = Services::DomainOwnershipService.get_domain_info(context.request.common_name)
     domain_record = Domain.find_or_create_by!(fqdn: context.request.common_name)
     if !domain_info
       domain_record.destroy!

app/lib/services/app_registry_service.rb

@@ -17,6 +17,10 @@ def get_domain_info(fqdn)
     rescue Faraday::ResourceNotFound => e
       nil
     end
+
+    def self.get_domain_info(fqdn)
+      new.get_domain_info(fqdn)
+    end
 
     private
 

app/lib/services/auth_service.rb

@@ -13,6 +13,10 @@ def authenticate!(token)
       identity
     end
 
+    def self.authenticate!(token)
+      new.authenticate!(token)
+    end
+
     private
 
     def decode(token)

app/lib/services/certificate_service.rb

@@ -2,6 +2,12 @@ module Services
   class CertificateService
     attr_reader :impl
 
+    def self.issue_cert(cert_issue_request)
+      new.issue_cert(cert_issue_request)
+    end
+
+    private
+
     def initialize
       # TODO this should select an implementation service based on config
       @impl = VaultService.new

app/lib/services/domain_ownership_service.rb

@@ -2,6 +2,12 @@ module Services
   class DomainOwnershipService
     attr_reader :impl
 
+    def self.get_domain_info(fqdn)
+      new.get_domain_info(fqdn)
+    end
+
+    private
+
     def initialize
       # TODO this should select an implementation service based on config
       @impl = AppRegistryService.new

app/lib/services/vault_service.rb

@@ -1,7 +1,12 @@
 module Services
   class VaultService
+    def self.issue_cert(cert_issue_request)
+      new.issue_cert(cert_issue_request)
+    end
+
+    private
     attr_reader :client
-
+    
     def initialize
       # TODO create a new token for use in the session
       @client = Vault::Client.new(