mport feature added. Everything gets imported except updated_at fields.

IDs of objects are not copied, but created as new so there could be no conflict with existing objects.

app/controllers/data_controller.rb

@@ -88,8 +88,115 @@ class DataController < ApplicationController
     # Draw the form to input the YAML text data
   end
 
+  # adjusts time to utc
+  def adjust_time(timestring)
+    if (timestring=='') or ( timestring == nil)
+      return nil
+    else 
+      return Time.parse(timestring + 'UTC')
+    end
+  end
+
   def yaml_import
-    # Logic to load the YAML text file and create new records from data
+    @errmessage = ''
+    @inarray = YAML::load(params['import']['yaml'])
+    # arrays to handle id translations
+
+
+    # contexts
+    translate_context = Hash.new
+    translate_context[nil] = nil
+    current_user.contexts.each { |context| context.destroy }
+    @inarray['contexts'].each { | item |
+      newitem = Context.new(item.ivars['attributes'])
+      newitem.user_id = current_user.id
+      newitem.created_at = adjust_time(item.ivars['attributes']['created_at'])
+      newitem.save(false)
+      translate_context[item.ivars['attributes']['id'].to_i] = newitem.id
+    }
+
+    # projects
+    translate_project = Hash.new
+    translate_project[nil] = nil
+    current_user.projects.each { |item| item.destroy }
+    @inarray['projects'].each { |item|
+      newitem = Project.new(item.ivars['attributes'])
+      # ids
+      newitem.user_id = current_user.id
+      newitem.default_context_id = translate_context[newitem.default_context_id]
+      newitem.save(false)
+      translate_project[item.ivars['attributes']['id'].to_i] = newitem.id
+
+      # state + dates
+      newitem.transition_to(item.ivars['attributes']['state'])
+      newitem.completed_at = adjust_time(item.ivars['attributes']['completed_at'])
+      newitem.created_at = adjust_time(item.ivars['attributes']['created_at'])
+      newitem.position = item.ivars['attributes']['position']
+      newitem.save(false)
+    }
+
+    # todos
+    translate_todo = Hash.new
+    translate_todo[nil] = nil
+    current_user.todos.each { |item| item.destroy }
+    @inarray['todos'].each { |item|
+      newitem = Todo.new(item.ivars['attributes'])
+      # ids
+      newitem.user_id = current_user.id
+      newitem.context_id = translate_context[newitem.context_id]
+      newitem.project_id = translate_project[newitem.project_id]
+      # TODO: vyresit recurring_todo_id
+      newitem.save(false)
+      translate_todo[item.ivars['attributes']['id'].to_i] = newitem.id
+
+      # state + dates
+      case item.ivars['attributes']['state']
+        when 'active' : newitem.activate!
+        when 'project_hidden' : newitem.hide!
+        when 'completed' 
+          newitem.complete!
+          newitem.completed_at = adjust_time(item.ivars['attributes']['completed_at'])
+        when 'deferred' : newitem.defer!
+      end
+      newitem.created_at = adjust_time(item.ivars['attributes']['created_at'])
+      newitem.save(false)
+    }
+
+    #tags
+    translate_tag = Hash.new
+    translate_tag[nil] = nil
+    current_user.tags.each { |item| item.destroy }
+    @inarray['tags'].each { |item|
+      newitem = Tag.new(item.ivars['attributes'])
+      newitem.created_at = adjust_time(item.ivars['attributes']['created_at'])
+      newitem.save
+      translate_tag[item.ivars['attributes']['id'].to_i] = newitem.id
+    }
+
+    # taggings
+    current_user.taggings.each { |item| item.destroy }
+    @inarray['taggings'].each { |item|
+      newitem = Tagging.new(item.ivars['attributes'])
+      newitem.user_id = current_user.id
+      newitem.tag_id = translate_tag[newitem.tag_id]
+      case newitem.taggable_type
+        when 'Todo' : newitem.taggable_id = translate_todo[newitem.taggable_id]
+        else newitem.taggable_id = 0
+      end
+      newitem.save
+    }
+
+    # notes
+    current_user.notes.each { |item| item.destroy }
+    @inarray['notes'].each { |item|
+      newitem = Note.new(item.ivars['attributes'])
+      newitem.id = item.ivars['attributes']['id']
+      newitem.user_id = current_user.id
+      newitem.project_id = translate_project[newitem.project_id]
+      newitem.created_at = adjust_time(item.ivars['attributes']['created_at'])
+      newitem.save
+    }
+
   end
  
 end