Youtube embed

[santoshkumar savadatti]

I came across an Article which allows users to post youtube videos to a RoR site.
However, when i scrolled to the bottom, there's this snippet to display the video:

<div class="youtube_video">
    <object width="425" height="355">
        <param name="movie" value="http://www.youtube.com/v/#{video_id}&hl=en"></param>
        <param name="wmode" value="transparent"></param>
        <embed src="http://www.youtube.com/v/#{video_id}&hl=en" type="application/x-shockwave-flash" wmode="transparent" width="425" height="355"></embed>
    </object>
</div>

This is plain html block.
I don't understand how it got the video_id from the database.

[Katrina Owen]

#{video_id}

That evaluates the video_id and embeds it in the string.

If I read the article correctly (skimmed) the video id doesn't come out of a database, it gets parsed from a string/url that the user puts in.

[santoshkumar savadatti]

Thanks Katrina.
Is there a way to add youtube videos to a site?
I store video ID (youtube ) in my database.Can i use it to embed the video in the view?

[Katrina Owen]

yepp, if you use the snippet from the article, but pass @video_id to the page, then you can show it with #{@video_id} instead of video_id.

[santoshkumar savadatti]

Instance variables.
Thanks again

[santoshkumar savadatti]

Iam still having problem with it.I'm trying to embed youtube video.

in the videos db table, i have field called "link".This contains the link of the video.

In Controller Videos, there is just empty method def vidlist, since i'm just trying to display single video.
I have vidlist.html.erb:

h1>Vidlist</h1>

<object width="640" height="385">
<param name="movie" value="<%= Video.first.link %>">
</param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param>
<embed src="<%= Video.first.link %>" 
type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true"    width="640" height="385"></embed></object>

In routes .rb, i have uncommented the default route matching.
Then, i started server.Entered localhost:3000/Videos/vidlist

The browser doesn't display anything at all.
and there's nothing in the console too when the server is running

[Katrina Owen]

You say there is nothing in the controller?

If you comment out the code that tries to display the video, and just say something like "It works" in the view template, do you see "it works"?

[santoshkumar savadatti]

I removed all but

<h1>Videos</h1>

The browser still doesn't show anyhting

[Katrina Owen]

ok, show me the controller code, and the routes code.

[santoshkumar savadatti]

Controller:

class VideosController < ApplicationController
	def vidlist
	end
	
end

Routes:

Vsite::Application.routes.draw do
 
   match ':controller(/:action(/:id(.:format)))'
end

Migrate Db:

class CreateVideos < ActiveRecord::Migration
  def self.up
    create_table :videos do |t|
      t.string :link
      t.timestamps
    end
  end

  def self.down
    drop_table :videos
  end
end

[Katrina Owen]

What happens if you put this in your routes:

match 'test' => 'videos#vidlist'

and you restart the server and go to

http://localhost:3000/test

[santoshkumar savadatti]

It displays RoR welcome page.

[Katrina Owen]

Wait, what?
You restarted the server, went to http://localhost:3000/test and it showed you the RoR welcome page?

Please copy/paste the url that is showing you the RoR welcome page.

[santoshkumar savadatti]

Sorry, i entered just localhost:3000 ><
on entering http://localhost:3000/test, the browser still doesn't display anything

[Katrina Owen]

Ok, what does the server log window show when you start the server?

[santoshkumar savadatti]

git version 1.7.3.1.msysgit.0

C:\Sites>cd vsite

C:\Sites\vsite>rails server
=> Booting WEBrick
=> Rails 3.0.4 application starting in development on http://0.0.0.0:3000
=> Call with -d to detach
=> Ctrl-C to shutdown server
[2011-02-25 19:35:34] INFO  WEBrick 1.3.1
[2011-02-25 19:35:34] INFO  ruby 1.8.7 (2010-12-23) [i386-mingw32]
[2011-02-25 19:35:34] INFO  WEBrick::HTTPServer#start: pid=4660 port=3000

[Katrina Owen]

Ok, and when you go to /test what is the output in the server log?

[santoshkumar savadatti]

Just that.Nothing else

[Katrina Owen]

Ah, right. What do you get when you say

tail log/development.log 

[santoshkumar savadatti]

C:\Sites\vsite>tail log
tail: error reading `log': Invalid request code

C:\Sites\vsite>tail log/development.log
Rendered C:/RailsInstaller/Ruby1.8.7/lib/ruby/gems/1.8/gems/actionpack-3.0.4/li
escues/layout (74.2ms)


Started GET "/videos/vidlist" for 127.0.0.1 at Fri Feb 25 19:14:14 +0530 2011


Started GET "/vsite/video" for 127.0.0.1 at Fri Feb 25 19:25:47 +0530 2011


Started GET "/test" for 127.0.0.1 at Fri Feb 25 19:35:45 +0530 2011

C:\Sites\vsite>

[Katrina Owen]

Let's see... Try this:

Start your rails console

rails c

and then type

Video


and then type

Video.all


... what is the output of those?

[santoshkumar savadatti]

when i type Video:

=> Video(id: integer, link: string, created_at: datetime, updated_at: datetime)
irb(main):002:0>

when i type Video.all:

=> []

[Katrina Owen]

ok, hm...

what is the path to your view?

[santoshkumar savadatti]

C:\Sites\vsite\app\views\videos\vidlist.html.erb

C:\Sites\vsite\app\views\layouts\application.html.erb

[Katrina Owen]

I'm afraid I'm stumped.

When I do the following (which seems to be exactly what you've done, except on a mac os x system with ruby 1.9.2)

rails new something
cd something/
vim config/routes.rb 
 # uncomment the catch-all controller
rails g controller videos
vim app/controllers/videos_controller.rb 
 # add a method def index; end
vim app/views/videos/index.html.erb 
 # add hello world
rails s

then go to http://localhost:3000/videos/index

I get the output "hello world" in my browser along with this in the server output:

Started GET "/videos/index" for 127.0.0.1 at 2011-02-25 15:50:28 +0100
  Processing by VideosController#index as HTML
Rendered videos/index.html.erb within layouts/application (2.9ms)
Completed 200 OK in 10ms (Views: 9.1ms | ActiveRecord: 0.0ms)

If you start fresh are you able to get anything in the browser at all?

[santoshkumar savadatti]

I'm re-installing RoR.
Will give it a fresh try.
It may or may not fix my issue.
But, honestly, thank you very much for taking time.That was very considerate.

[Katrina Owen]

Excellent! Good luck

[santoshkumar savadatti]

looks like i found the problem.
It's mysql.mysql.dll is not compatible with win 7.There are a couple of ways to fix that issue and i used them.When installed using Ruby installer, it wont even allow to create new project.
Then, i installed with railsinstaller, i can create a project and work fine.Only, it blows up at run time.One solution was to stick with sqlite.It doesn't cause any problems.
centOS, here i come.

[Katrina Owen]

Good for you for digging into it and finding it!