CODEWITHSUNDEEP
ruby-on-rails
spl
spl

Reputation: 609

Rails - Liking Comments Made on Posts - NoMethodError

For my application, I have Users, who can Create Project Postings. On each Project Posting, they can make comments that I have made a Blogupdate model. I want users to be able to like Blogupdates made on each Project page.

So, I created a Bloglike model. But when I try to render a LIKE/UNLIKE button, I get the following error:

NoMethodError in Projects#blogs
undefined method `bloglikes_path'
Extracted source (around line #11):
11:     <%= form_for(current_user.bloglikes.build(blogupdate_id: blogupdate.id)) do |f| %>

Question: As a note, I have not built up the controller for the actual create/destroy function in my bloglikes controller; but looking at my attached code below, does somebody know how I can resolve this error so the like/unfollow button renders?

schema.rb

create_table "bloglikes", :force => true do |t|
   t.integer  "user_id"
   t.integer  "blogupdate_id"
   t.datetime "created_at",    :null => false
   t.datetime "updated_at",    :null => false
end

add_index "bloglikes", ["blogupdate_id"], :name => "index_bloglikes_on_blogupdate_id"
add_index "bloglikes", ["user_id", "blogupdate_id"], :name => "index_bloglikes_on_user_id_and_blogupdate_id", :unique => true
add_index "bloglikes", ["user_id"], :name => "index_bloglikes_on_user_id"

user.rb

has_many :bloglikes, foreign_key: "user_id"
has_many :liked_blogupdates, through: :bloglikes, source: :blogupdate

blogupdate.rb

has_many :bloglikes, foreign_key: "blogupdate_id"
has_many :liked_by, through: :bloglikes, source: :user

def liking_blogupdate?(blogupdate)
   bloglikes.find_by_blogupdate_id(blogupdate.id)
end

def like_blogupdate!(blogupdate)
   bloglikes.create!(blogupdate_id: blogupdate.id)
end

def blogupdate_unlike!(blogupdate)
   bloglikes.find_by_blogupdate_id(blogupdate.id).destroy
end

bloglike.rb

class Bloglike < ActiveRecord::Base
  attr_accessible :blogupdate_id

  belongs_to :user, foreign_key: "user_id"
  belongs_to :blogupdate, foreign_key: "blogupdate_id"
end

projects_controller.rb

def blogs
    @project = Project.find(params[:id])
    @blogupdates = @project.blogupdates.newest.page(params[:blogupdates_page]).per_page(5)
end

views/projects/blogs.html.erb

<%= render 'blogs' %>

views/projects/_blogs.html.erb

<%= render @blogupdates %>

views/blogupdates/_blogupdates.html.erb

<%= blogupdate.liked_by.count %>
<% if current_user.liking_blogupdate?(blogupdate) %>
  <%= form_for(current_user.bloglikes.find_by_blogupdate_id(blogupdate),
               html: { method: :delete }) do |f| %>
    <%= f.submit "UNLIKE", class: "btn btn-medium" %>
  <% end %>
<% else %>
  <%= form_for(current_user.bloglikes.build(blogupdate_id: blogupdate.id)) do |f| %>
      <div><%= f.hidden_field :blogupdate_id %></div>
      <%= f.submit "LIKE", class: "btn btn-medium btn-primary" %>
   <% end %>
<% end %>

<p><%= raw blogupdate.content %></p>

UPDATE: As noted below by @Dan, I forgot to update the routes.rb file. I added "resources :bloglikes" and it worked now.

Upvotes: 0

Views: 85

Answers (1)

Dan Reedy
Dan Reedy

Reputation: 1857

You didn't post your routes.rb file but I'd wager that is where the problem is at. An undefined method related to routes (e.g. bloglikes_path) typically indicates you've not defined the routes.

Add resources :bloglikes to your project's routes.rb file and see if that resolves the issue.

Upvotes: 2

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