Rails beginner here

I have a bunch of books in a database. I can access each of the books information by appending the book name to my url. (localhost/3000:books/booktitle1 ... localhost/3000:books/booktitle2 ... etc)

I have a dropdown menu that shows all the books in the database.

  <%=select_tag "book", options_from_collection_for_select(@books, "book_name", "book_name")%>

How do I make it so that when I make a selection on the drop-down menu, the webpage redirects to that book's information?

Meaning ... select "booktitle1" on dropdown menu, then my browser is sent to localhost/3000:books/booktitle1.

*Edit

It doesn't have to search on form selection exactly, selecting the book and then clicking a "Go" button is completely fine too. Just not sure how to implement it.

CodePudding user response：

After the form is submitted, you need to get the model object for the selected book. Then, get the url path for it. Finally, redirect to that path.

book = Book.find(params[:books])
path = url_for(book)
redirect_to path

The params[:books] returns the book's id, so I can query it using find. In your case, you're setting the value of your option attribute to the book's title. Consider changing that to id or use find_by to query the model instance. The tag I used is:

<%= select_tag 'books', options_from_collection_for_select(@books, 'id', 'title') %>

My form looks like this:

<%= form_with url: '/books', method: :post do |f| %>
  <%= select_tag 'books', options_from_collection_for_select(@books, 'id', 'title') %>
  <%= f.submit %>
<% end %>