[英]Using devise_invitable, upon acceptance, saving mutual friendship
我希望邀请用户和被邀请用户在通过 devise_invitable (gem) 接受电子邮件邀请后成为共同的朋友。
所以数据库应该是这样的:
id | user_id | friend_id | created_at | updated_at
----+---------+-----------+----------------------------+----------------------------
2 | 3 | 2 | 2020-10-13 02:42:03.33376 | 2020-10-13 02:42:03.33376
3 | 2 | 3 | 2020-10-13 15:57:48.359378 | 2020-10-13 15:57:48.359378
这是我在从源继承的邀请控制器中的内容。 中间从@inviting_user = User.find(current_user.invited_by_id)
开始的代码就是我插入的。
class Users::InvitationsController < Devise::InvitationsController
prepend_before_action :require_no_authentication, only: [:edit, :destroy]
def update
raw_invitation_token = update_resource_params[:invitation_token]
self.resource = accept_resource
invitation_accepted = resource.errors.empty?
yield resource if block_given?
if invitation_accepted
if resource.class.allow_insecure_sign_in_after_accept
flash_message = resource.active_for_authentication? ? :updated : :updated_not_active
set_flash_message :notice, flash_message if is_flashing_format?
resource.after_database_authentication
sign_in(resource_name, resource)
### from here is my code:
@inviting_user = User.find(current_user.invited_by_id)
@invited_user = User.find(current_user.id)
@friendship = @invited_user.friendships.build(:friend_id => params[:friend_id])
@inverse_friendship = @inviting_user.friendships.build(:friend_id => params[:friend_id])
if @friendship.save and @inverse_friendship.save
# flash[:notice] = "Added friend."
# redirect_back fallback_location: new_user_invitation_path
else
# flash[:error] = "Unable to add friend."
# redirect_back fallback_location: new_user_invitation_path
end
### my code end
respond_with resource, location: after_accept_path_for(resource)
else
set_flash_message :notice, :updated_not_active if is_flashing_format?
respond_with resource, location: new_session_path(resource_name)
end
else
resource.invitation_token = raw_invitation_token
respond_with_navigational(resource) { render :edit }
end
end
end
问题是没有建立友谊。 我很感激任何建议。
源代码控制器: https : //github.com/scambra/devise_invitable/blob/master/app/controllers/devise/invitations_controller.rb
我开始认为这两行是问题所在,因为 @inviting_user 和 @invited_user 似乎已设置。 在 devise_invitable 的上下文中,您在这里看到任何问题吗?
@friendship = @invited_user.friendships.build(:friend_id => params[:friend_id])
@inverse_friendship = @inviting_user.friendships.build(:friend_id => params[:friend_id])
当我将@friendship.save 切换到@friendship.create 时! 我得到“你是说 create_user 吗?”
你真的不需要这个代码的一小部分。 几乎所有的 Devise 控制器都产生了,所以你可以通过传递一个块来简单地使用 super 方法:
class Users::InvitationsController < Devise::InvitationsController
def update
super do |user|
Friendship.transaction do
begin
user.friendships.create!(friend_id: user.invited_by_id)
User.find(user.invited_by_id)
.friendships.create!(friend_id: user.id)
rescue ActiveRecord::RecordInvalid
flash[:error] = "Unable to add friend."
redirect_back fallback_location: new_user_invitation_path
raise ActiveRecord::Rollback
end
end
end
end
end
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