I'm pretty new to ruby, and I'm unable to use a method with parameters in grape

[אוראל ציון‎]

I'm pretty new to Ruby, I know a little bit of Sinatra but what I actually need for my app is Grape for rest api.

Working with a method with parameters at all works like a charm, but when I'm trying to add parameters I get 404 not found exception.

Where am I going wrong here? Thanks

 resource :devs do

 desc "Get all devs"
 get do
 authenticate!
 Dev.all
 end

 desc "Get dev by email"
 params do
 requires :email, type: String, desc: "Dev's email"
 end
 route_param :email do
 get do
 authenticate!
 @devs = Dev.all(:email == params[:email])
 #!error('email not found', 204) unless @devs.length > 0
 end
 end

 desc "Get dev by API key"
 get :key do
 authenticate!
 @dev = Dev.first(:api_key == params[:key])

 !error('email not found', 204) unless @devs.length > 0
 end
 end

This is the call I make in PostMan (I also added the header for Apikey there)

localhost:9292/devs/email/orelzion@gmail.com

But it always give me the same result 404

If I'm on the other hand, trying to access the method like this

localhost:9292/devs?email=orel...@gmail.com

Then it will go starightly into the main function, and not into the function with the parameters

[Daniel Doubrovkine]

Does it work if you specify 'foobar' instead of an actual email?

The argument should be URL encoded or you need to change the route's requirements (check README). The default parser is probably confused because it thinks .com is some kind of formatting extension.

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[אוראל ציון‎]

Thank you Daniel

So I tried localhost:9292/devs?email=orelzion and it go straight to the main function
And I tried localhost:9292/devs/email=orelzion but it gives me 500 error noMethodFound
And I tried localhost:9292/devs/email/orelzion and it gives me 404 error

BTW How should I access this method?

localhost:9292/devs?email=orelzi...@gmail.com

Then it will go starightly into the main function, and not into the function with the parameters

[Daniel Doubrovkine]

You should post the project somewhere, a lot of things could go wrong. For one, is this mounted on rails? Can you hit *any* method in the API?

--

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[אוראל ציון‎]

Thank you Daniel
I'll post it to github tomorrow hopefully.
At the mean time, no. It's on rack only.
And yes the simple get with no parameters does work

[Elad Ossadon]

It's related to the dot in the email. 

Write outside of a route_param:

get ':email', :requirements => { :email => /.*/ } do
  ... params[:email]
end

There's a lot of info about it, just google 'grape dot param'

See: https://github.com/intridea/grape/issues/158

localhost:9292/devs?email=orelzi...@gmail.com

[אוראל ציון‎]

Thank you Elad
First of all I've learned that the right call should be localhost:9292/devs/orel...@gmail.com from an answer on StackOverFlow
And thanks to Elad I also learned that I needed to escape that dot from the param
So now my code looks like this

            desc "Get dev by email"
            params do
                requires :email, type: String, desc: "Dev's email"
              end

              get ':email', requirements: { email: /.*/ } do
                authenticate!
                Dev.all(:email => params[:email])
            endEnter code here...