[Rails] respond to js

[fugee ohu]

Can someone tell me how this works, I just don't understand what's going on 
here

_form.html.erb
<%= form_for [post, comment], remote: true,
  html: {
class: "new_blog_comment", id: "new_blog_comment" } do |f| -%>

  <%=t :leave_a_comment, scope: 'blogit.comments'%>

  <%= field do %>
<%= f.label :body, t(:your_comment, scope: 'blogit.comments') %>
<%= f.text_area :body %>
<%= errors_on(comment, :body) %>
  <% end %>

  <%= actions do %>
<%= f.submit t(:add_comment, scope: 'blogit.comments'), :disable_with 
=> t(:adding_comment, scope: 'blogit.comments') %>
  <% end %>
<% end -%>


  before_action :find_commentable, only: :create

 def create
commentable = commentable_type.constantize.find(commentable_id)
@comment = Comment.build_from(commentable, current_user.id, body)
user_id = commentable.user_id

respond_to do |format|
  if @comment.save
make_child_comment
format.html  { redirect_to("/page/#{user_id}", :notice => 'Comment 
was successfully added.') }
  else
format.html  { render :action => "new" }
  end
end
  end

  def find_commentable
@commentable_type = params[:commentable_type].classify
@commentable = 
@commentable_type.constantize.find(params[:commentable_id])
  end

create.js.erb

var $form = $("form#new_blog_comment");
<% if @comment.save %>
  $("#comments").append("<%= escape_javascript(render(@comment)) %>");
  $form.get(0).reset();
<% else %>
  $form.html("<%= escape_javascript(render('form')) %>");
<% end %>

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Re: [Rails] has_many_through new association for exisitng records

[fugee ohu]

On Thursday, February 8, 2018 at 12:23:43 PM UTC-5, Walter Lee Davis wrote:
>
> That validation was probably on the person, not the picture, unless you 
> added validates_associated to the Person class. 
>
> Look at this: 
> https://github.com/walterdavis/fugee/blob/master/app/controllers/people_controller.rb#L74
>  
>
> and this: 
>
>
> https://github.com/walterdavis/fugee/blob/master/app/views/people/_form.html.erb#L25
>  
>
> The rest is scaffolded, there's nothing mysterious here. 
>
> Clone this to your machine, run it in rails server. 
>
> Go to localhost:3000/pictures and add some pictures (just file names). 
>
> Go to localhost:3000/people, and add some people. 
>
> See how you can choose pictures for each person? See how the association 
> is saved and updated? Watch in the console as the record is saved or 
> updated from the web. 
>
> Walter 
>
> > On Feb 8, 2018, at 11:36 AM, fugee ohu  
> wrote: 
> > 
> > I created an update action in the persons controller Valitadation was 
> failing with :name can't be blank so I assumed @person.save was trying to 
> create a new picture That's why I moved the action from the pictures 
> controller to the persons controller and changed the action to 
> @person.update instead of @person.save Did you already understand that? 
>
> Do  I have to create routes like "get '/people/:id/addresses' => 
'addresses#index', as: 'person_addresses' I was thinking maybe rails 
already creates those routes from the associations and if I make them 
explicit maybe I'll mess up the routes 

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[Rails] local variables in form rendered by partial (rendered by helper) undefined

[fugee ohu]

This goes from controller through some partials to a helper to a form and 
then rails complains that the local variables in <%= form_for [post, 
comment], remote: true,
... are undefined 

https://gist.github.com/mices/bfdf659b74efdb00875ba45bb93f70f7

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Re: [Rails] Problem With Blacklight Catalog Routes

[Colin Law]

On 8 February 2018 at 21:25, Dane Terrell  wrote:

> I've been trying to create it, and nothing seems to work. So my question
> is, how do you create it. I've never worked with Ruby On Rails
>

In that case I suggest you start by working right through a good tutorial
such as railstutorial.org, which is free to use online.  That will show you
the basics of Rails

Colin

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Re: [Rails] Problem With Blacklight Catalog Routes

[Hassan Schroeder]

On Thu, Feb 8, 2018 at 1:25 PM, Dane Terrell  wrote:
> I've been trying to create it, and nothing seems to work.

What is "it"? (Top-posting isn't helping here.)

> I've never worked with Ruby On Rails

You might want to spend a little time learning on a more vanilla
Rails app in that case.

-- 
Hassan Schroeder  hassan.schroe...@gmail.com
twitter: @hassan
Consulting Availability : Silicon Valley or remote

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Re: [Rails] local variables in _form.html.erb undefined

[fugee ohu]

On Thursday, February 8, 2018 at 7:41:19 PM UTC-5, Walter Lee Davis wrote:
>
> Show the code where you are trying to render this form. A partial that 
> renders implicitly (like in a scaffolded CRUD form): 
>
> #/app/views/posts/new.html.erb 
> <%= render 'form' %> 
>
> ...will get a local variable named `post` in the render context. 
>
> What does your controller look like, and what does the enclosing template 
> look like that is rendering this partial? 
>
> Walter 
>
> > On Feb 8, 2018, at 6:37 PM, fugee ohu  
> wrote: 
> > 
> > _active_record_post_comments.html.erb 
> > 
> >  
> >   <%= render post.comments %> 
> >  
> > <% if (user_signed_in? && current_user != User.find(post.blogger_id)) %> 
> >  
> > <%= render partial: "blogit/comments/form", locals: { 
> post: post, comment: comment } %> 
> >  
> > <% end %> 
> > 
> > _form.html.erb 
> > 
> > <%= form_for [post, comment], remote: true, 
> >   html: { 
> > class: "new_blog_comment", id: "new_blog_comment" } do |f| -%> 
> >   
> > error: 
> > ActionView::Template::Error (undefined local variable or method `post' 
> for #<#:0x007f607eeeb278> 
> > Did you mean?  @post): 
> > 1: 
> > 2: <%= form_for [post, comment], remote: true, 
> > 3:   html: { 
> > 4: class: "new_blog_comment", id: "new_blog_comment" } do |f| 
> -%> 
> > 
> > 
> > -- 
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>  
>
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>
>   class PostsController < ::Blogit::ApplicationController

def show
  @post = Post.find(params[:id])
end


show.html.erb
<%= render @post %>
<%= share_bar_for @post %>
<%= render "blogit/posts/post_footer", post: @post %>
<%= comments_for @post %>
 
posts_helper.rb

def comments_for(post)
  render(partial: 
"blogit/posts/#{Blogit.configuration.include_comments}_comments", locals: { 
post: post, comment: Blogit::Comment.new })
end

active_record_comments.html.erb


  <%= render post.comments %>

<% if (user_signed_in? && current_user != User.find(post.blogger_id)) %>

<%= render partial: "blogit/comments/form", locals: { post: post, comment: 
comment } %>

<% end %>

comments/_form.html.erb


<%= form_for [post, comment], remote: true,
  html: {
class: "new_blog_comment", id: "new_blog_comment" } do |f| -%>

  <%=t :leave_a_comment, scope: 'blogit.comments'%>

  <%= field do %>
<%= f.label :body, t(:your_comment, scope: 'blogit.comments') %>
<%= f.text_area :body %>
<%= errors_on(comment, :body) %>
  <% end %>

  <%= actions do %>
<%= f.submit t(:add_comment, scope: 'blogit.comments'), :disable_with 
=> t(:adding_comment, scope: 'blogit.comments') %>
  <% end %>
<% end -%>

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