I have this page Index page:
<h1>Listing users</h1>
<table border="1">
<tr>
<th>Name</th>
<th>Description</th>
<th>Who</th>
<th></th>
<th></th>
<th></th>
</tr>
<% #users.each do |user| %>
<tr>
<td><%= user.name %></td>
<td><%= user.description %></td>
<td><%= user.who %></td>
<%= render 'users/form' %>
<td><%= link_to 'Show', user %></td>
<td><%= link_to 'Edit', edit_user_path(user) %></td>
<td><%= link_to 'Destroy', user, method: :delete, data: { confirm: 'Are you sure?' } %></td>
</tr>
<% end %>
</table>
<br />
<%= link_to 'New User', new_user_path %>
Scaffold controller
def index
#users = User.all
respond_to do |format|
format.html # index.html.erb
format.json { render json: #users }
end
end
I need to edit user in index page, not to go url /users/2/edit, stay on users page.
How I do this in Ajax?
Add remote:true to the Edit line in order to make an ajax call:
<td><%= link_to 'Edit', edit_user_path(user), remote:true %></td>
Also, add an edit.js.erb file (a javascript file with embedded ruby) in which you do all the javascript actions to be executed after the Edit. That edit.js.erb file is generated when the edit method is done. This is where you write all the changes to the javascript code which affect the current page (the page will not be re-rendered).
Additionally, add the following to the edit method:
respond_to do |format|
format.js
end
Related
I cannot figure this out-
NoMethodError in MicropostsController#index
and
I have searched the web and cannot seem to make the right change. I am doing Michael Hartl's Rails Tutorial and I am in ch 2 where we do microposts.
Here's index.html.erb
Listing Microposts
<table>
<thead>
<tr>
<th>Content</th>
<th>User</th>
<th colspan="3"></th>
</tr>
</thead>
<tbody>
<% #microposts.each do |micropost| %>
<tr>
<td><%= micropost.content %></td>
<td><%= micropost.user_id %></td>
<td><%= link_to 'Show', micropost %></td>
<td><%= link_to 'Edit', edit_micropost_path(micropost) %></td>
<td><%= link_to 'Destroy', micropost, method: :delete, data: { confirm: 'Are you sure?' } %></td>
</tr>
<% end %>
</tbody>
</table>
<br>
<%= link_to 'New Micropost', new_micropost_path %>
and
Microposts Controller
Class MicropostsController < ApplicationController
def index
end
def show
end
def new
end
def edit
end
def create
end
def update
end
def destroy
end
end
You are getting this error because there is no microposts instance variable in index action, in index action you should set #microposts like this:
def index
#microposts = Micropost.all
end
I have the post_controller with index method like this:
def index
#posts = Post.paginate(:page => params[:page], :per_page => 3)
end
and in app / views / posts / index.html.erb i have:
.
.
.
<table>
<tr>
<th>User</th>
<th>Post</th>
<th>Date</th>
<th colspan="3"></th>
</tr>
<% #posts.each do |post| %>
<tr>
<td><%= post.user.id %></td>
<td><%= post.text %></td>
<td><%= post.created_at %></td>
<td><%= link_to 'Show', post_path(post) %></td>
<% if can? :update, post %>
<td><%= link_to 'Edit', edit_post_path(post) %></td>
<% end %>
<% if can? :destroy, post %>
<td><%= link_to 'Destroy', post_path(post),
method: :delete,
data: { confirm: 'Are you sure?' } %></td>
<% end %>
</tr>
<% end %>
<%= will_paginate #posts %>
</table>
So i want a field in this view, where an user can input a date and the view shows all posts wich were created on that date onwards. (Posts date > date_by_user). I tried with "where" method but i couldnt. I dont want to use any gem. So, what is the best and simple way to do that?
You can search records in index method like below.
date_to_search = Date.parse('2015/1/1')
Post.where(
'created_at>=? and created_at<=?',
date_to_search.beginning_of_day
)
created_at is saved as UTC in rails, so you need to specify datetime. Not only date, to get correct data in your local time.
I'm getting some strange behavior on my model index page. When I create one model object, it displays correctly on the index page. When I create a second model object, it shows duplicates of both objects on the index page, like so
OBJECT A
OBJECT B
OBJECT A
OBJECT B
I've confirmed that duplicate objects are not being created in my database. Also, when I destroy OBJECT B, it displays OBJECT A correctly only once.
index.html.erb
<table class="table">
<thead>
<tr>
<th>Image</th>
<th>Name</th>
<th>Description</th>
<th>URL</th>
<th></th>
<th></th>
<th></th>
</tr>
</thead>
<tbody>
<%= render #companies %>
</tbody>
</table>
_company.html.erb
<% #companies.each do |company| %>
<tr>
<td><%= image_tag company.image(:medium) %></td>
<td><%= company.name %></td>
<td><%= company.description %></td>
<td><%= company.url %></td>
<td><%= link_to 'Show', company %></td>
<td><%= link_to 'Edit', edit_company_path(company) %></td>
<td><%= link_to 'Destroy', company, method: :delete, data: { confirm: 'Are you sure?' } %></td>
</tr>
<% end %>
companies_controller.rb
def index
#companies = Company.all
respond_to do |format|
format.html # index.html.erb
format.json { render json: #companies }
end
end
Change your partial to,
<tr>
<td><%= image_tag company.image(:medium) %></td>
<td><%= company.name %></td>
<td><%= company.description %></td>
<td><%= company.url %></td>
<td><%= link_to 'Show', company %></td>
<td><%= link_to 'Edit', edit_company_path(company) %></td>
<td><%= link_to 'Destroy', company, method: :delete, data: { confirm: 'Are you sure?' } %></td>
</tr>
You need to drop the each loop in your partial.
The <%= render #companies %> renders the partial for each company but you're also looping through the companies again in each partial.
See 3.4.5 Rendering Collections at http://guides.rubyonrails.org/layouts_and_rendering.html#rendering-collections for more info
Change the <%= render #companies %> to <%= render "company" %>; your partial is being rendered multiple times, one for each company, and your partial is rendering all the companies. This will only render the partial, which will render all the companies, which is what you want.
I'm trying to make an search option in my site, but it won't show results after an search query.
I have followed this tutorial: http://collectiveidea.com/blog/archives/2011/03/08/full-text-searching-with-solr-and-sunspot/
My routes.rb:
resources :users do
collection do
get :search
end
member do
get :following, :followers
end
end
My index.html.erb
<table>
<tr>
<th>Name</th>
<th>Email</th>
<th></th>
<th></th>
<th></th>
</tr>
<% #users.each do |user| %>
<tr>
<td><%= user.name %></td>
<td><%= user.email %></td>
<td><%= link_to 'Show', user %></td>
<td><%= link_to 'Edit', edit_user_path(user) %></td>
<td><%= link_to 'Destroy', user, method: :delete, data: { confirm: 'Are you sure?' } %>
</td>
</tr>
<% end %>
</table>
<br />
<%= link_to 'New User', new_user_path %>
My model user.rb
searchable do
text :name
end
And my user controller
def index
#users = User.paginate(page: params[:page])
end
def search
#users = User.search do
keywords params[:query]
end.results
respond_to do |format|
format.html { render :action => "index" }
end
end
What am i doing wrong?
I am new in Ruby.
I have to render the database structure, using tutorial i found suitable code:
File index.html.erb:
<h1>Listing tasks</h1>
<table>
<tr>
<th>Title</th>
<th>Content</th>
<th>Date From</th>
<th>Date To</th>
<th></th>
<th></th>
<th></th>
</tr>
<% #tasks.each do |task| %>
<tr>
<td><%= task.title %></td>
<td><%= task.content %></td>
<td><%= task.datefrom %></td>
<td><%= task.dateto %></td>
<td><%= link_to 'Show', task %></td>
<td><%= link_to 'Edit', edit_task_path(task) %></td>
<td><%= link_to 'Destroy', task, :method => :delete, :data => { :confirm => 'Are you sure?' } %></td>
</tr>
<% end %>
</table>
<br />
<%= link_to 'New Task', new_task_path %>
Now i want to group tasks by 'date from' value, probably it means that in index.html.erb i should print only dates, and clicking on the date i should call another html file that will render tasks by chosen date.
this can be like
File index.html.erb:
<h1>Listing dates</h1>
<table>
<tr>
<th>Date From</th>
<% #tasks.each do |task| %>
<tr>
<td><%= !!! IF DATE NOT PRINTED THEN PTINT IT task.datefrom %></td>
<td><%= link_to 'Edit', edit_date_path(task, date) %></td>
</tr>
<% end %>
</table>
<br />
<%= link_to 'New Task', new_task_path %>
Where edit_date_path(task, date) should refer me to the index_date.html.erb, where i can get selected date and print tasks according to selected date.
Maybe i can get suggestion, it will be much easier is fomebody can help me with that, as task should not be very difficult, but otherwise i can waste quite a lot of time googling.
Thanks,
Urmas.
Editing the question.
This helped a little. what i did now, i changed index.html.erb to
<h1>Listing dates</h1>
<table>
<tr>
<th>Date To</th>
<th></th>
</tr>
<% dates = Array.new %>
<% #tasks.each do |task| %>
<% if ( !dates.include?(task.dateto.strftime("%m.%d.%Y")) ) then
dates.push task.dateto.strftime("%m.%d.%Y")
%>
<tr>
<td><%= task.datefrom.strftime("%m.%d.%Y") %></td>
<td><%= link_to 'Show Date', {:action => "index", :date => task.dateto} %></td> <-- This does not work
</tr>
<%
end
%>
<% end %>
</table>
<br />
<%= link_to 'New Task', new_task_path %>
Where 'Show Date' link link should be made to show_date.html.erb, where is correct code for showing records when input date is passed.
I had added in controller also method
def show_date
#tasks = Task.find(params[:dateto])
#dateto = :dateto
respond_to do |format|
format.html # showdate.html.erb
format.json { render :json => #tasks }
end
end
that can be used in the not working link, to pass data to the 'Show Date' (show_date.html.erb), but i get errors all the time. The problem is with correct calling off the show_date.html.erb, code i will be able to write myself :)
Urmas
in Tasks controller:
add a method
def index_date
#tasks = Task.all
end
and create a index_date.html.erb write
<% #tasks.each do |task| %>
<tr> <td><%= task.datefrom %></td>
<td><%= link_to 'Edit', {:action => "index", :date => task.datefrom} %></td>
</tr>
<%end%>
and in the index method in the controller change
#tasks = Task.all to
#tasks = Task.find_all_by_datefrom(#{params[:date])
This will list the tasks that match the date selected and everything will be similar as it is now thereafter.
Found the solution.
It were necessary to add to routes.rb
resources :tasks do
member do
get 'showdate'
end
get "home/index"
end
add corresponding controller processing
def showdate
#task = Task.find(params[:id])
#tasks = Task.find(:all)
respond_to do |format|
format.html # showdate.html.erb
format.json { render :json => #tasks }
end
end
and to call it using (index.html.erb)
<td><%= link_to 'Show Date', showdate_path(task.id) %></td>
All further processing is already in showdate.html.erb.
Hope this helps somebody.
I AM THE BEST!!!! xD