company.rb

	def operations_for_company
		@operations = []
		offers.each do |offer|
			@operations << offer.operations
		end
		@operations
	end

gistfile1.txt

NoMethodError in Companies#show

Showing /Users/hannes/dev/offers/app/views/operations/_operation_index_table.html.erb where line #1 raised:

undefined method `id' for #<ActiveRecord::Relation:0x007fde5ee11b00>
Extracted source (around line #1):

1: <tr id="operation_<%= operation.id %>">
2:   <td>
3:     <% case operation.operationtype(:name) %>
4:     <% when 'Meeting' %>

view

<table class="table table-striped" id='operations_for_company_<%= @company.id %>'>
		<%= render :partial => 'operations/operation_index_table_headers' %>
		<%= render :partial => 'operations/operation_index_table', :collection => @company.operations_for_company, :as => :operation %>
	</table>