uninitialized constant User::follow Extracted source (around line #28): - html

Question

i have an error in my user.rb model (around line #28):
27def following?(user)
28 following.include?(user)
29end
Any idea what I could be doing wrong here?
Showing C:/instagramm/instagram-clone/app/views/accounts/profile.html.erb where line #11 raised:
my profile.html.erb :
<% if #users.image.present %>
<%= image_tag #users.image %>
<% end %>
<strong><h1><%= #users.full_name %></h1></strong>
<% if user_signed_in? && #user == current_user %>
<%= link_to"Edit Profile", edit_user_registration_path(#user) %>
<% if current_user.following?(#user) %>
<%= link_to"Unfollow", follows_path(user_id: #user.id), method: :delete %>
<% else %>
<%= link_to"Follow", follows_path(user_id: #user.id) %>
<% end %>
<% end %>
<div> <%= #users.posts.count %> Posts </div>
<p><%= #users.full_name %></p>
<p><%= #users.description %></p>
<p><%= link_to 'User Website', #users.website if #users.website.present? %></p>
<%= #posts.each do |post|%>
<%= image_tag post.image %>
<% end %>
my model : follow.rb
class Follow < ApplicationRecord
belongs_to :follower, class_name: 'user'
belongs_to :followed, class_name: 'user'
validates :follower_id, presence: true
validates :followed_id, presence: true
end
and this is my user.rb model : the error is around(#line28) in def following?(user)
class User < ApplicationRecord
has_many :posts
validates :username, presence: true
# Include default devise modules. Others available are:
# :confirmable, :lockable, :timeoutable, :trackable and :omniauthable
devise :database_authenticatable, :registerable,
:recoverable, :rememberable, :validatable
has_one_attached :image
has_many :active_follows, class_name: "follow", foreign_key: "follower_id", dependent: :destroy
has_many :passive_follows, class_name: "follow", foreign_key: "followed_id", dependent: :destroy
has_many :following, through: :active_follows, source: :followed
has_many :followers, through: :passive_follows, source: :follower
def follow(user)
active_follows.create(followed_id: user.id)
end
def unfollow(user)
active_follows.find_by(followed_id: user.id).destroy
end
def following?(user)
following.include?(user)
end
def full_name
"#{first_name} #{last_name}"
end
end

Answer 1

Rails assumes that association points to a class with matching name, so in this case your following association will search for Following class.
Obviously it is not what you need here - having a quick guess by the code structure that you expect following to return a collection of Users, so you need to tell that to your association:
has_many :following, through: :active_follows, source: :followed, class_name: 'User'
It is also important to use correct class names given to class_name option. It has to match the name of the ActiveRecord class exactly, so it must be "Follow" not "follow" and, similarly, "User" not "user"

Answer 2

You already got response from #BroiStase you are using incorrect name of classes in your code. Please change your Follow.rb
class Follow < ApplicationRecord
belongs_to :follower, class_name: 'User'
belongs_to :followed, class_name: 'User'
validates :follower_id, presence: true
validates :followed_id, presence: true
end
In your User.rb following you have to do following changes.
class User < ApplicationRecord
has_many :posts
validates :username, presence: true
# Include default devise modules. Others available are:
# :confirmable, :lockable, :timeoutable, :trackable and :omniauthable
devise :database_authenticatable, :registerable,
:recoverable, :rememberable, :validatable
has_one_attached :image
has_many :active_follows, class_name: "Follow", foreign_key: "follower_id", dependent: :destroy
has_many :passive_follows, class_name: "Follow", foreign_key: "followed_id", dependent: :destroy
has_many :following, through: :active_follows, source: :followed
has_many :followers, through: :passive_follows, source: :follower
def follow(user)
active_follows.create(followed_id: user.id)
end
def unfollow(user)
active_follows.find_by(followed_id: user.id).destroy
end
def following?(user)
following.include?(user)
end
def full_name
"#{first_name} #{last_name}"
end
end
Please when you code avoid any extra spaces, line breaks and give proper 2 space indentions it will help you to understand code better. If still error please share error message also.