Search on Ruby On Rails 4 [Help] - ruby-on-rails-4

Question

Newbie on RoR. I want to search division, category and brand (by name, not by id). I have a problem to figure out a search function. Hopefully I can get out from my problem. What should I do to convert (division_id) --> (division_name), etc?
**#Model**
item.rb :
belongs_to :division
belongs_to :category
belongs_to :brand
def self.search(params)
items = Item.all
items = items.where("division_id BETWEEN #{params[:division_from].to_i} AND #{params[:division_to].to_i}") if params[:division_from].present?
items = items.where("category_id BETWEEN #{params[:category_from].to_i} AND #{params[:category_to].to_i}") if params[:category_from].present?
items = items.where("brand_id BETWEEN #{params[:brand_from].to_i} AND #{params[:brand_to].to_i}") if params[:brand_from].present?
end
category.rb :
has_many = items
division.rb :
has_many = items
brand.rb :
has_many = items
**#View**
items- index.html.erb
<fieldset><legend>Filter</legend></fieldset>
<div class="panel-body">
<div class="row">
<%= form_tag search_items_path, class: "form-horizontal bucket-form", remote: true do %>
<div class="col-md-6">
<div class="form-group">
<div class="text-field">
<div class="col-md-10">
<td>Division</td>
<div class="input-group input-large">
<%= text_field_tag 'division_from','', class: "form-control dpd1" %>
<span class="input-group-addon">To</span>
<%= text_field_tag 'division_to','', class: "form-control dpd1" %>
</div>
<td>Category</td>
<div class="input-group input-large">
<%= text_field_tag 'category_from','', class: "form-control dpd1" %>
<span class="input-group-addon">To</span>
<%= text_field_tag 'category_to','', class: "form-control dpd1" %>
</div>
<td>Brand</td>
<div class="input-group input-large">
<%= text_field_tag 'brand_from','', class: "form-control dpd1" %>
<span class="input-group-addon">To</span>
<%= text_field_tag 'brand_to','', class: "form-control dpd1" %>
</div>
<div class="btn-group">
<%= submit_tag 'Search', class: "btn btn-primary" %>
</div>
</div>
</div>
</div>
</div>
<% end %>
</div>
</div>
**#Controller**
items_controller.rb :
def search
#items = Item.search(params)
respond_to do |format|
format.js
end
end
If I execute my code, I have search by id (not by name).. Thanks before

Answer 1

Well.. first, if you want to search only one division-category-brand, change the view for every item only one text input (but its better to use select/multiselect).
Using text input:
only one text input per class
e.g. <%= text_field_tag 'brand','', class: "form-control dpd1" %>
in the item.rb change the search method to this
def self.search(params)
items = Item.all
items = items.where(division_id:Division.find_by_name(params[:division])) if params[:division].present?
items = items.where(category_id:Category.find_by_name(params[:category])) if params[:category].present? items = items.where(brand_id:Brand.find_by_name(params[:brand])) if params[:division].present?
end
It will not work when you're not filling the correct name in the view, so i suggest to use select/multiselect.
I hope it will work.