added voting based on cadidate id

Election/app/controllers/election_controller.rb

+class ElectionController < ApplicationController
+	def vote
+		if Vote.exists?(candidate_id: params[:id], user_id: current_user.id)
+			render "candidates/show.html.erb"
+		else
+			redirect_to new_vote_path
+		end
+	end
+end
\ No newline at end of file

Election/app/views/admin/candidates/show.html.erb

@@ -7,4 +7,5 @@
 	<li>Female Voters: <%= @votes_female.size %></li>
 </ul>
 
+<%= link_to "Votes for Candidate", "/election/vote/#{@candidate.id}" %>
 <%= link_to "Back to Candidates", admin_candidates_path %>
\ No newline at end of file

Election/config/routes.rb

@@ -16,6 +16,7 @@ Rails.application.routes.draw do
  get'/party_lists/index', to: "party_lists#index"
  get'/votes/user_profile', to: "votes#profile"
  get'/votes/index', to: "votes#index"
+ get'/election/vote/:id', to: "election#vote"
  post'/checkout', to: 'votes#checkout', as: :checkout
 
 end