Implement sprint date validation in the client

app/controllers/backlogs_controller.rb

@@ -173,7 +173,11 @@ class BacklogsController < ApplicationController
     attribs = params.select{|k,v| k != 'id' and Sprint.column_names.include? k }
     attribs = Hash[*attribs.flatten]
     result = sprint.update_attributes attribs
-    render :text => result, :status => (result ? 200 : 400)
+    if result
+      render :text => 'successfully updated sprint', :status => 200
+    else
+      render :partial => 'shared/validation_errors', :object => sprint.errors, :status => 400
+    end
   end
 
   def wiki_page

app/models/sprint.rb

@@ -170,8 +170,9 @@ end
 class Sprint < Version
     unloadable
 
-    validate :correctness
-    def correctness
+    validate :start_and_end_dates
+
+    def start_and_end_dates
         errors.add_to_base("Sprint cannot end before it starts") if self.effective_date && self.sprint_start_date && self.sprint_start_date >= self.effective_date
     end
 

app/views/shared/_validation_errors.html.erb

@@ -0,0 +1,7 @@
+<%= validation_errors.length > 1 ? l(:error_intro_plural) : l(:error_intro_singular) %>
+<ul>
+  <%- validation_errors.each_full do |msg| %>
+  <li><%= msg %></li>
+  <%- end %>
+</ul>
+<%= l(:error_outro ) %>

assets/javascripts/backlog.js

@@ -184,6 +184,10 @@ RB.Backlog = RB.Object.create(RB.Model, {
     });
   },
 
+  markError: function(){
+    this.$.addClass('error');
+  },
+
   markSaving: function(){
     this.$.addClass('saving');
   },
@@ -235,8 +239,9 @@ RB.Backlog = RB.Object.create(RB.Model, {
       type: "POST",
       url: RB.urlFor['update_backlog'],
       data: editors.serialize() + "&id=" + j.find('.id').text(),
-      beforeSend: function(xhr){ me.markSaving() },
-      complete: function(xhr, textStatus){ me.unmarkSaving(); /* RB.dialog.msg(xhr.responseText) */ }
+      beforeSend: function(xhr){ me.unmarkError(); me.markSaving() },
+      success: function(d,t,x){ me.unmarkSaving(); me.unmarkError() },
+      error: function(x,t,e){ RB.Dialog.msg(x.responseText); me.markError() }
     });
     me.endEdit();
   },
@@ -254,6 +259,10 @@ RB.Backlog = RB.Object.create(RB.Model, {
                        });
   },
 
+  unmarkError: function(){
+    this.$.removeClass('error');
+  },
+  
   unmarkSaving: function(){
     this.$.removeClass('saving');
   }

assets/javascripts/common.js

@@ -35,9 +35,9 @@ RB.Model = RB.Object.create({});
 RB.Dialog = RB.Object.create({
   msg: function(msg){
     dialog = $('#msgBox').size()==0 ? $(document.createElement('div')).attr('id', 'msgBox').appendTo('#content') : $('#msgBox');
-    dialog.text(msg);
-    dialog.dialog({ title: 'Backlog Plugin',
-                    buttons: { "Ok": function() { $(this).dialog("close"); } },
+    dialog.html(msg);
+    dialog.dialog({ title: 'Backlogs Plugin',
+                    buttons: { "OK": function() { $(this).dialog("close"); } },
                     modal: true
                  });
   },

assets/stylesheets/index.css

@@ -27,9 +27,13 @@
   top:8px;
   width:16px;
 }
-.backlog.saving .header .pureCssMenu{
+.backlog.saving .header .pureCssMenu,
+.backlog.error .header .pureCssMenu{
   display:none;
 }
+.backlog.error .header .spinner{
+  background-image:url('../images/warning.png');
+}
 .backlog .header .name{
   font-size:14px;
   font-weight:bold;

config/locales/en.yml

@@ -73,3 +73,7 @@ en:
   todo_issue_description: "{{summary}}: {{url}}\n{{description}}"
 
   label_chart_options: "Chart Options"
+
+  error_intro_singular: "The following error was encountered:"
+  error_intro_plural: "The following errors were encountered:"
+  error_outro: "Please correct the above errors before submitting again."