So I'm a bit of a Rails n00b, so I'll apologize if this is really simple. When I access my server from another computer, I get this message:
No route matches [GET] "/"
And if I try to go to my subpages (Well, currently I only have one), I get something along these lines:
Unknown action
The action 'index' could not be found for AwebpageController
But here's the catch: this only happens sometimes. The rest of the time, the standard RoR homepage loads, and going to wwww.mydomain.com/awebpage serves up the page fine.
My Routes.rb looks like this:
Wobsite::Application.routes.draw do
resources :awebpage
end
And awebpage_controller.rb looks like this:
class AwebpageController < ApplicationController
end
And yes, index.html.erb for Awebpage does exist. It's all so simple that I don't understand what's going wrong. Oh, and my webserver is Thin (Not sure if that matters). Thanks in advance for any help!
You might want to add this to the top of your routes file to set the default controller and page for your site (i.e. http://www.mysite.com/):
root :to => "AwebpageController#index"
To remove the default Ruby on Rails webpage you'll also want to delete the index.html file in your /public/ directory.
Also, although not required, in your controller you're missing the function definition for index.
class AwebpageController < ApplicationController
def index
end
end
Normally you'd do application logic and serve up a view in this function; however if you do nothing RoR automatically loads the view associated with the page (index.html.erb).
If after all this you're still having a problem perhaps explicitly add index to the AwebpageController in your routes file; perhaps rails is only mapping www.mysite.com/Awebpage/ to Awebpage/index and not www.mysite.com/Awebpage/index.
Related
I am trying to create a landing page for an event for people to visit to see the events details. I have created the view, added a route to the event resources and made changes to the controller but something has been done incorrectly.
Here is my code:
routes.rb:
resources :events do
resources :guests
match '/landing_page', to:'events#landing_page', as: :landing_page, :via =>[:get, :post]
# resources :guestlists
end
event_controller:
def landing_page
#event = Event.find(params[:id])
end
When I open the landing page i get the following error:
"ActiveRecord::RecordNotFound (Couldn't find Event without an ID):"
In case anyone else runs into this, I wanted to document Sergio's last comment here which I believe leads to the outcome I think most people will be looking for. Nesting this inside of a member block should get you an ideal outcome:
resources :events do
member do
get :landing_page
end
end
Running rake routes should now show /events/:id/landing_page(.:format) so you can use the same method you use in your show method that just asks for params[:id].
I was wracking my brain for a while on this as rails resources seem to be dwindling on the interwebs.
I'm using rails 5.0 and I get the
PostsController#index is missing a template for this request format and variant. request.formats: ["text/html"] request.variant: []
NOTE! For XHR/Ajax or API requests while trying to input my url/posts.
my routing.rb file is below:
Rails.application.routes.draw do
get 'posts/index' => 'posts#index'
resources: posts
end
my posts_controller.rb looks like below:
class PostsController < ApplicationController
def index
end
end
I want to know specifically what I'm doing wrong. I've just started to learning Ruby on Rails.
Template is missing. You need to create a file ie index.html.erb under directory /app/views/posts/index.html
GET profiles/employees- Should display all the employees
GET profiles/employees/:id should display a specfic employee
GET profiles/donors - Should display all the donors
GET profiles/donors/:id - Should display a specfic donor
routes in ruby on rails behave in the same way as href tag in rails
we use get for link and if we want toi perform any action on button then w e have to use button.
if you have any doubt let me know in detail.
for more details refer this
http://guides.rubyonrails.org/routing.html
if we write only localhost:3000/employees then bydefault our application will redirect to index page.
The issue is template missing you are missing the template file index.html.erb
I have notice that on your snapshot you named the template file as index.html.erb.txt
remove the .txt and rename to index.html.erb Then it should work
Also you don't need to declare the routes as
get 'posts/index' => 'posts#index'
Just declare the resources: posts is enough. You may check the routes using the rake routes command on your rails console
Rename the file index.html.erb.txt to index.html.erb
I would like to customize my path helpers in Rails 4.
I have a Site5 website (which uses Apache server) with multiple subdomains. I have rewrite rules in my .htaccess file which adds the folder name to the url. For example
cs1337.mysite.com/login
is rewritten to
cs1337.mysite.com/cs1337/login
In routes.rb, I have added a scope in routes.rb:
scope '/cs1337' do
get '/login', to: 'sessions#new', as: :login
# etc.
end
which gives me the correct routing. Everything works, but the annoying thing is that all my path helpers have the '/cs1337' prefix, which is unnecessary since the .htaccess rewrite rules add it back in. For example,
login_path # => /cs1337/login
when only
login_path # => /login
is necessary.
I would like to override all of the path helpers to strip off the prefix, using something like
def <override all path helpers>
path = super
path.gsub(%r{^/cs1337}, '')
end
I know the path helpers are dynamically generated, but I can't figure out where start ... I can't even find what module the path helpers are generated in.
Thanks for any help you can offer!
Short answer: No, as far as I can tell.
I couldn't find anything that lets you have the route Rails intercepts be different from the path that the helpers give you. I don't think Rails plays well with .htaccess rewrites.
Do you need the folder name to be in the path? If not, I would remove the scope '/cs1337' do and use something like this StackOverflow post to do domain-specific routes.
If you need it there, I would recommend being okay with the end user seeing "cs1337.mysite.com/cs1337/path".
I'm writing what is currently a very inelegant program to generate fitness plans, and have an issue with the routing. I want buttons on my index page linking to certain bodyparts and a plan generator, and the pages themselves are working when I navigate to them directly. However, the buttons on my index view won't work, kicking out a routing error: 'No route matches [POST] "/exercises/index"'.
For example, dropping the URL for '/exercises/legs' or '/exercises/generator' into my browser loads the page as it should be, though <%= button_to "Legs", 'exercises/legs' %> (as well as redirecting to exercises_legs_path and every other option I've thought of) gives the error.
Sure this is something pretty straightforward I'm missing (very new to this), and any advice would be great!
The database currently contains columns for the :id, ':move' (i.e. press up) and ':bodypart' (i.e. legs).
Here are my routes:
Helper HTTP Verb Path Controller#Action
GET /exercises/:bodypart(.:format) exercises#bodypart
exercises_generator_path GET /exercises/generator(.:format) exercises#generator
exercises_index_path GET /exercises/index(.:format) exercises#index
root_path GET / exercises#index
exercises_path GET /exercises(.:format) exercises#index
POST /exercises(.:format) exercises#create
new_exercise_path GET /exercises/new(.:format) exercises#new
edit_exercise_path GET /exercises/:id/edit(.:format) exercises#edit
exercise_path GET /exercises/:id(.:format) exercises#show
PATCH /exercises/:id(.:format) exercises#update
PUT /exercises/:id(.:format) exercises#update
DELETE /exercises/:id(.:format) exercises#destroy
And my routes.rb file:
Rails.application.routes.draw do
get '/exercises/:bodypart', to: 'exercises#bodypart'
get '/exercises/generator', to: 'exercises#generator'
get 'exercises/index'
root :to => 'exercises#index'
resources :exercises
end
Thanks in advance, and let me know if there's anything else I've got that would help with this.
Rails.application.routes.draw do
get '/exercises/:bodypart', to: 'exercises#bodypart', as: 'exercises_bodypart'
get '/exercises/generator', to: 'exercises#generator'
get 'exercises/index'
root :to => 'exercises#index'
resources :exercises
end
instead of
Rails.application.routes.draw do
get '/exercises/:bodypart', to: 'exercises#bodypart'
get '/exercises/generator', to: 'exercises#generator'
get 'exercises/index'
root :to => 'exercises#index'
resources :exercises
end
Usage:
exercises_bodypart_path('legs')
Right now, I do a
get '/' do
set :base_url, "#{request.env['rack.url_scheme']}://#{request.env['HTTP_HOST']}"
# ...
haml :index
end
to be able to use options.base_url in the HAML index.haml.
But I am sure there is a far better, DRY, way of doing this. Yet I cannot see, nor find it. (I am new to Sinatra :))
Somehow, outside of get, I don't have request.env available, or so it seems. So putting it in an include did not work.
How do you get your base url?
You can get it using request.base_url too =D (take a look at rack/request.rb)
A couple things.
set is a class level method, which means you are modifying the whole app's state with each request
The above is a problem because potentially, the base url could be different on different requests eg http://foo.com and https://foo.com or if you have multiple domains pointed at the same app server using DNS
A better tactic might be to define a helper
helpers do
def base_url
#base_url ||= "#{request.env['rack.url_scheme']}://#{request.env['HTTP_HOST']}"
end
end
If you need the base url outside of responding to queries(not in a get/post/put/delete block or a view), it would be better to set it manually somewhere.