CODEWITHSUNDEEP
ruby-on-railsrubyhyperlinkparameterscontroller
Joe Morano
Joe Morano

Reputation: 1885

Can I pass params into a controller path?

I have a few different links, that do the same thing except for one minor difference. Is it possible to link them all to the same path, but with different params that change the behavior of that one minor difference in the controller?

I was thinking of something like this:

view

<%= link_to "Link-A", link_path(@user), @x = 1 %>
<%= link_to "Link-B", link_path(@user), @x = 2 %>

users_controller.rb

def link
  @user = User.find(params[:id])
  #code that should be executed for both links
  if @x == 1
    #do something
  elsif @x == 2
    #do something else
  end
end

I know this specific code probably isn't even close to being correct, but hopefully it makes clear what I'm trying to do.

Upvotes: 3

Views: 2711

Answers (3)

Sharvy Ahmed
Sharvy Ahmed

Reputation: 7405

View:

<%= link_to "Link-A", link_path(@user, x: 1) %>
<%= link_to "Link-B", link_path(@user, x: 2) %>

Controller:

def link
  @user = User.find(params[:id])
  x = params[:x]

  #code that should be executed for both links

  if x == 1
    #do something
  elsif x == 2
    #do something else
  end
end

Upvotes: 4

IcyBright
IcyBright

Reputation: 664

In the view, send also the control params

<%= link_to 'Link', request.parameters.merge({:x => 'special'}) %>

In the controller, check the params then start then logic.

if params.fetch(:x)
  # A different logic
end

Upvotes: 1

dimitry_n
dimitry_n

Reputation: 3019

I think you should add your param as an option to your path like so: 

<%= link_to "Link-A", link_path(@user, x: "1") %>

then in controller you can do:

...
@input = params[:x]
if @input ...
...

Upvotes: 4

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