Refs #29: Allow author selection

hpi-swt2-exercise · Nov 9, 2017 · bfba496 · bfba496
1 parent 0dfa9a2
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diff --git a/app/controllers/papers_controller.rb b/app/controllers/papers_controller.rb
@@ -28,6 +28,12 @@ def create
   def update
     @paper = Paper.find(params[:id])
 
+    ids = params.require(:paper)[:author_ids]
+    @paper.authors = []
+    ids.each do |id|
+      @paper.authors << Author.find(id) unless id.to_s.blank?
+    end
+
     if @paper.update(paper_params)
       redirect_to @paper
     else

diff --git a/app/views/papers/edit.html.erb b/app/views/papers/edit.html.erb
@@ -30,6 +30,14 @@
       <%= f.text_field :year %>
     </p>
 
+    <p>
+      <% for i in 1..5 do%>
+          <% (istr = i.to_s) %>
+          <%= f.label ('Author ' + istr), for: ('paper_author_id_' + istr) %>
+          <%= f.collection_select(:author_ids, Author.all, :id, :name, {selected: @paper.author_ids[i - 1], include_blank: '(none)'}, {name: 'paper[author_ids][]', id: ('paper_author_id_' + istr)}) %>
+      <% end %>
+    </p>
+
     <p>
       <%= f.submit %>
     </p>