From 94a6d21b88f2ea4f85bacbf75e5e9f50d69befd1 Mon Sep 17 00:00:00 2001
From: samanera <141537607+samanera@users.noreply.github.com>
Date: Fri, 3 Nov 2023 22:13:38 -0600
Subject: [PATCH] omniauth: prevent duplicating accounts

Closes: codeandomexico/decidim-monterrey#149
---
 ...mniauth_registrations_controller_override.rb | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/app/overrides/controllers/decidim/devise/omniauth_registrations_controller_override.rb b/app/overrides/controllers/decidim/devise/omniauth_registrations_controller_override.rb
index 4d8b2dd..982e4b8 100644
--- a/app/overrides/controllers/decidim/devise/omniauth_registrations_controller_override.rb
+++ b/app/overrides/controllers/decidim/devise/omniauth_registrations_controller_override.rb
@@ -1,6 +1,23 @@
 Decidim::Devise::OmniauthRegistrationsController.class_eval do
   private
 
+  def user_params_from_oauth_hash
+    return nil if oauth_data.empty?
+
+    email = oauth_data.dig(:info, :email)
+    user = Decidim::User.find_by(email: email, organization: current_organization)
+
+    {
+      provider: oauth_data[:provider],
+      uid: oauth_data[:uid],
+      name: oauth_data[:info][:name] || user&.name,
+      nickname: oauth_data[:info][:nickname] || user&.nickname,
+      oauth_signature: Decidim::OmniauthRegistrationForm.create_signature(oauth_data[:provider], oauth_data[:uid]),
+      avatar_url: oauth_data[:info][:image],
+      raw_data: oauth_hash
+    }
+  end
+
   def verified_email
     @verified_email ||= oauth_data.dig(:info, :email) || params.dig(:user, :email)
   end