Can't use delete method on Ruby on rails - ruby-on-rails

Question

I am a beginner of Ruby on rails, I failed when I try to delete the object that I create. here is the code.
controller
class PuzzlesController < ApplicationController
def index
#puzzles = Puzzle.all
end
def show
#puzzle=Puzzle.find(params[:id])
end
def new
#puzzle = Puzzle.new
end
def create
#render plain: params[:puzzle].inspect
#puzzle = Puzzle.new(puzzle_params)
if(#puzzle.save)
redirect_to #puzzle
else
render 'new'
end
end
def edit
#puzzle=Puzzle.find(params[:id])
end
def update
#puzzle=Puzzle.find(params[:id])
if(#puzzle.update(puzzle_params))
redirect_to #puzzle
else
render 'edit'
end
end
def destroy
#puzzle = Puzzle.find(params[:id])
#puzzle.destroy
redirect_to puzzle_path
end
private def puzzle_params
params.require(:puzzle).permit(:title,:body,:category,:difficulty)
end
end
show
<h2><%= #puzzle.title %></h2>
<p><%= #puzzle.body %></p>
<p><%= #puzzle.category %></p>
<p><%= #puzzle.difficulty %></p>
<hr>
<%= link_to "Edit", edit_puzzle_path(#puzzle), :class => 'btn btn-default'%>
<%= link_to "Delete", puzzle_path(#puzzle),
method: :delete,
data: {confrim: 'are you sure? '},
:class => 'btn btn-danger'%>
when i click on delete, its like re-render the page. i searched a lot on internet and cant find a solution for it.
this is the information on rails server.
Started GET "/puzzles/1" for ::1 at 2017-04-02 18:51:18 +0930
Processing by PuzzlesController#show as HTML
Parameters: {"id"=>"1"}
Puzzle Load (0.5ms) SELECT "puzzles".* FROM "puzzles" WHERE "puzzles"."id" = ? LIM IT ? [["id", 1], ["LIMIT", 1]]
Rendering puzzles/show.html.erb within layouts/application
Rendered puzzles/show.html.erb within layouts/application (1.0ms)
Completed 200 OK in 63ms (Views: 46.2ms | ActiveRecord: 0.5ms)

Answer 1

There are several issues in your code:
1) There is a typo in the link_to parameter list (confirm, instead of confrim):
<%= link_to 'Delete', puzzle_path(#puzzle),
method: :delete,
data: { confirm: 'are you sure? '},
class: 'btn btn-danger' %>
2) At the end of your destroy method you cannot redirect to a singular puzzle path, because you just deleted the puzzle. Redirect to the index page instead:
redirect_to puzzles_path
3) But most important. Links with method: 'delete' only work with JavaScript and Rails 5.0 depends on jQuery. Because you wrote that the links just redirects to the show page, I guess you do not have included the Rails JavaScript files into your asset pipeline:
# Add this to the head of your `views/layout/application.rb`:
<%= javascript_include_tag 'application', 'data-turbolinks-track': 'reload' %>
# Ensure that your `assets/javascripts/application.js` include the following lines:
//= require jquery
//= require jquery_ujs
Ensure in your browser's concole that the files are loaded without an error.

Answer 2

change your redirect path
redirect_to puzzles_path