feat: handle oauth scope verification and errors

lib/custom_exceptions/oauth.rb

@@ -0,0 +1,74 @@
+# frozen_string_literal: true
+
+module CustomExceptions::OAuth
+  class InsufficientScopes < CustomExceptions::Base
+    def message
+      I18n.t('errors.oauth.insufficient_scopes', scopes: @data[:missing_scopes].join(', '))
+    end
+
+    def code
+      'SCOPE_ERR'
+    end
+
+    def to_hash
+      {
+        message: message,
+        code: code,
+        missing_scopes: @data[:missing_scopes]
+      }
+    end
+  end
+
+  class AuthorizationFailed < CustomExceptions::Base
+    def message
+      I18n.t('errors.oauth.authorization_failed', provider: @data[:provider])
+    end
+
+    def code
+      'AUTH_ERR'
+    end
+
+    def to_hash
+      {
+        message: message,
+        code: code,
+        provider: @data[:provider]
+      }
+    end
+  end
+
+  class TokenExchangeFailed < CustomExceptions::Base
+    def message
+      I18n.t('errors.oauth.token_exchange_failed', provider: @data[:provider])
+    end
+
+    def code
+      'TOKEN_ERR'
+    end
+
+    def to_hash
+      {
+        message: message,
+        code: code,
+        provider: @data[:provider]
+      }
+    end
+  end
+
+  class InvalidState < CustomExceptions::Base
+    def message
+      I18n.t('errors.oauth.invalid_state')
+    end
+
+    def code
+      'STATE_ERR'
+    end
+
+    def to_hash
+      {
+        message: message,
+        code: code
+      }
+    end
+  end
+end