Validate candidate name

vedia.rb

@@ -346,11 +346,20 @@ post '/votes/:id/candidates' do
   find_vote
   require_organizer
   require_draft_vote
-  @candidate = Candidate.new(name: params[:name],
-                             description: params[:description])
-  @candidate.vote = @vote
-  @candidate.save
-  redirect '/votes/' + @vote.secure_id
+  @errors = []
+  if params[:name].empty?
+    @errors << OpenStruct.new(:attribute => :name, :type => :blank)
+  end
+  if not @errors.empty?
+    @params = params
+    erb :votes_edit
+  else
+    @candidate = Candidate.new(name: params[:name],
+                               description: params[:description])
+    @candidate.vote = @vote
+    @candidate.save
+    redirect '/votes/' + @vote.secure_id
+  end
 end
 
 get '/votes/:id/candidates/:cid' do
@@ -360,6 +369,8 @@ get '/votes/:id/candidates/:cid' do
   require_draft_vote
   find_candidate
   require_candidate_in_vote
+  params[:name] = @candidate.name
+  params[:description] = @candidate.description
   erb :candidates_edit
 end
 
@@ -370,11 +381,20 @@ post '/votes/:id/candidates/:cid' do
   require_draft_vote
   find_candidate
   require_candidate_in_vote
-  @candidate.name = params[:name]
-  @candidate.description = params[:description]
-  @candidate.save
-  redirect '/votes/' + @vote.secure_id
-  erb :candidates_edit
+  @errors = []
+  if params[:name].empty?
+    @errors << OpenStruct.new(:attribute => :name, :type => :blank)
+  end
+  if not @errors.empty?
+    @params = params
+    erb :candidates_edit
+  else
+    @candidate.name = params[:name]
+    @candidate.description = params[:description]
+    @candidate.save
+    redirect '/votes/' + @vote.secure_id
+    erb :candidates_edit
+  end
 end
 
 post '/votes/:id/candidates/:cid/delete' do