1 files changed, 25 insertions, 0 deletions
diff --git a/app/services/token_generation_service.rb b/app/services/token_generation_service.rb
new file mode 100644
index 0000000..3af1e3f
--- /dev/null
+++ b/app/services/token_generation_service.rb
@@ -0,0 +1,25 @@
+# frozen_string_literal: true
+
+# The service responsible for JWT generation.
+class TokenGenerationService
+  def initialize(params)
+    @email = params[:email]
+    @role = params[:role]
+    @user_account = UserAccount.find_by(email: @email)
+  end
+
+  def call(refresh_token_expiration)
+    @user_account.update_attribute(:session_key, SecureRandom.hex(16))
+    { token: generate_token(DateTime.current + 30.minutes), refresh: generate_token(refresh_token_expiration.to_i) }
+  end
+
+  private
+
+  def generate_token(expiration)
+    JWT.encode(payload.merge({ exp: expiration.to_i }), ENV['HMAC_SECRET_KEY'], 'HS512')
+  end
+
+  def payload
+    { data: @email, aud: @role, jti: @user_account.session_key }
+  end
+end