When attempting to create a user comment I receive the following errors. I then plan to edit and delete the comments once this is working.
ActiveRecord::RecordInvalid in CommentsController#create
Validation failed: User must exist
comments_controller
class CommentsController < ApplicationController
before_action :set_post
http_basic_authenticate_with name: "dhh", password: "secret", except: [:index, :show]
def create
@comment = @article.comments.create!(comment_params)
@comment.user = current_user
redirect_to article_path(@article), notice: "Comment added successfully"
end
def destroy
@comment = @article.comments.find(params[:id])
@comment.destroy
redirect_to article_path(@article), status: :see_other, notice: "Comment deleted successfully"
end
private
def set_post
@article = Article.find(params[:article_id])
end
def comment_params
params.require(:comment).permit(:body, :status)
end
end
comment.rb
class Comment < ApplicationRecord
# include Visible
belongs_to :article
belongs_to :user
has_rich_text :body
end
article.rb
class Article < ApplicationRecord
include Visible
has_many :comments, dependent: :destroy
belongs_to :user
validates :title, presence: true, length: {minimum: 1, maximum: 40}
validates :body, presence: true, length: { minimum: 10, maximum: 10000 }
end
user.rb
class User < ApplicationRecord
# Include default devise modules. Others available are:
# :confirmable, :lockable, :timeoutable, :trackable and :omniauthable
devise :database_authenticatable, :registerable,
:recoverable, :rememberable, :validatable, :confirmable
has_many :articles
has_many :comments
def create
# Create the user form params
@user = User.new(user_params)
if @user.save
# Send the email
UserNotifierMailer.send_signup_email(@user).deliver
redirect_to(@user, :notice => 'User created')
else
render :action => 'new'
end
end
private
def user_params
params.require(:user).permit(:name, :email, :login)
end
# set user privileges within console using:
# @user = User.first
# @user.role = 1 # moderator
# @user.save
enum role: [:user, :moderator, :admin]
after_initialize :set_default_role, :if => :new_record?
def set_default_role
self.role ||= :user
end
end
schema
ActiveRecord::Schema[7.0].define(version: 2023_05_19_130034) do
create_table "action_text_rich_texts", force: :cascade do |t|
t.string "name", null: false
t.text "body"
t.string "record_type", null: false
t.bigint "record_id", null: false
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.index ["record_type", "record_id", "name"], name: "index_action_text_rich_texts_uniqueness", unique: true
end
create_table "active_storage_attachments", force: :cascade do |t|
t.string "name", null: false
t.string "record_type", null: false
t.bigint "record_id", null: false
t.bigint "blob_id", null: false
t.datetime "created_at", null: false
t.index ["blob_id"], name: "index_active_storage_attachments_on_blob_id"
t.index ["record_type", "record_id", "name", "blob_id"], name: "index_active_storage_attachments_uniqueness", unique: true
end
create_table "active_storage_blobs", force: :cascade do |t|
t.string "key", null: false
t.string "filename", null: false
t.string "content_type"
t.text "metadata"
t.string "service_name", null: false
t.bigint "byte_size", null: false
t.string "checksum"
t.datetime "created_at", null: false
t.index ["key"], name: "index_active_storage_blobs_on_key", unique: true
end
create_table "active_storage_variant_records", force: :cascade do |t|
t.bigint "blob_id", null: false
t.string "variation_digest", null: false
t.index ["blob_id", "variation_digest"], name: "index_active_storage_variant_records_uniqueness", unique: true
end
create_table "articles", force: :cascade do |t|
t.string "title"
t.text "body"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.string "status"
t.integer "user_id", null: false
t.integer "views", default: 0
t.index ["user_id"], name: "index_articles_on_user_id"
end
create_table "comments", force: :cascade do |t|
t.string "commenter"
t.text "body"
t.integer "article_id", null: false
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.string "status"
t.integer "user_id", null: false
t.index ["article_id"], name: "index_comments_on_article_id"
t.index ["user_id"], name: "index_comments_on_user_id"
end
create_table "users", force: :cascade do |t|
t.string "email", default: "", null: false
t.string "encrypted_password", default: "", null: false
t.string "reset_password_token"
t.datetime "reset_password_sent_at"
t.datetime "remember_created_at"
t.string "confirmation_token"
t.datetime "confirmed_at"
t.datetime "confirmation_sent_at"
t.string "unconfirmed_email"
t.integer "role", default: 0
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.string "username"
t.index ["confirmation_token"], name: "index_users_on_confirmation_token", unique: true
t.index ["email"], name: "index_users_on_email", unique: true
t.index ["reset_password_token"], name: "index_users_on_reset_password_token", unique: true
end
add_foreign_key "active_storage_attachments", "active_storage_blobs", column: "blob_id"
add_foreign_key "active_storage_variant_records", "active_storage_blobs", column: "blob_id"
add_foreign_key "articles", "users"
add_foreign_key "comments", "articles"
add_foreign_key "comments", "users"
end
routes
Rails.application.routes.draw do
# Define your application routes per the DSL in https://guides.rubyonrails.org/routing.html
root "articles#home"
devise_for :users, controllers: {
sessions: 'users/sessions',
registrations: 'users/registrations'
}
# allows for chained url routes
# eg. /posts/1/comments/4
resources :articles do
resources :comments
end
end
comments/edit.rb
<h1>Edit comment</h1>
<%= render 'comments/form', comment: @comment %>
comments/_form.html.erb
<%= form_with model: [@article, @article.comments.build] do |form| %>
<div class="input-group mb-3 w-50">
<span class="input-group-text"><%= form.label :body %>
</span>
<%= form.text_area :body, :class => "form-control", :rows => 8 %>
</div>
<div class="input-group mb-3 w-25">
<span class="input-group-text"><%= form.label :status %>
</span>
<%= form.select :status, options_for_select(['public', 'private', 'archived']), {}, :class => 'form-select' %>
</div>
<%= form.submit :class => "btn btn-primary" %>
<% end %>
comments/_comment.html.erb
<ul class="list-group list-group-flush w-50">
<li class="list-group-item">
<p>
<strong>User:</strong>
<%= comment.user.username%>
</p>
<p>
<strong>Comment:</strong>
<%= comment.body%>
</p>
<p class="timestamp">
<u>Created on:</u> <%= comment.created_at.strftime("%d %b %y %H:%M:%S") %>
<u>Updated on:</u> <%= comment.updated_at.strftime("%d %b %y %H:%M:%S") %>
</p>
<%= if current_user == comment.user %>
<p>
<%= link_to "Edit", edit_article_comment_path(comment.article, comment), :class => "link-primary link-offset-2 link-underline-opacity-0 link-underline-opacity-100-hover me-3" %>
<%= link_to "Delete", [comment.article, comment], :class => "link-danger link-offset-2 link-underline-opacity-0 link-underline-opacity-100-hover", data: {
turbo_method: :delete,
turbo_confirm: "Are you sure?"
} %>
</p>
<% end %>
</li>
</ul>
<hr>
I have tried following the following but cannot get it to work: Youtube vid, this and this
