fix project update and create errors display

app/controllers/projects_controller.rb

@@ -113,9 +113,14 @@ def update
     end
     @project = projects.first
     @project.update_from_params(project_params)
+    @user_select_list = LinkedData::Client::Models::User.all.map {|u| [u.username, u.id]}
+    @user_select_list.sort! {|a,b| a[1].downcase <=> b[1].downcase}
+    @usedOntologies = @project.ontologyUsed || []
+    @ontologies = LinkedData::Client::Models::Ontology.all
     error_response = @project.update
     if response_error?(error_response)
       @errors = response_errors(error_response)
+      render :edit
     else
       flash[:notice] = 'Project successfully updated'
       redirect_to project_path(@project.acronym)

app/views/projects/_form.html.haml

@@ -7,21 +7,12 @@
   .enable-lists{style: "color:red; padding-left:10px;"}
     %strong Errors On Form
     %ul
-      - if @errors[:error].instance_of? OpenStruct
-        - errors_hash = @errors[:error].to_h.except :links, :context
-        - errors_hash.each do |field, error|
-          -# Highlight fields with errors.
-          <style>#project_#{field} { border: thin solid red; }</style>
+      - @errors = @errors[:error ] if @errors[:error]
+      %ul
+        - @errors.each do |key, message|
+          <style>#project_#{key} { border: thin solid red; }</style>
           %li
-            -# Display error message to users.
-            - if error.instance_of? OpenStruct
-              - error_hash = error.to_h.except :links, :context
-              - error_hash.each do |f, e|
-                = "#{e}"
-            - else
-              = field
-      - else
-        = @errors.to_json
+            = message.values.join(',')
 
 / Override the bioportal.css for .required to avoid red text in the input fields.
 :css