| class Friend < ApplicationRecord | |
| validates :requesting_id, :requested_id, presence: true | |
| validates :requesting_id, uniqueness: { scope: [:requested_id] } | |
| validates :requested_id, uniqueness: { scope: [:requesting_id] } | |
| validates :accepted, inclusion: { in: [true, false] } | |
| belongs_to :requesting_user, | |
| foreign_key: :requesting_id, | |
| class_name: :User | |
| belongs_to :requested_user, | |
| foreign_key: :requested_id, | |
| class_name: :User | |
| def self.friendship(friend_params) | |
| requester = friend_params.fetch(:requesting_id).to_i | |
| requested = friend_params.fetch(:requested_id).to_i | |
| friendship1 = Friend.where(requesting_id: requester, requested_id: requested) | |
| friendship2 = Friend.where(requesting_id: requested, requested_id: requester) | |
| return friendship1 if friendship1.length === 1 | |
| return friendship2 if friendship2.length === 1 | |
| return nil | |
| end | |
| end | |