added mapping_controller and routes, but only implemented create

app/controllers/mapping_controller.rb

@@ -0,0 +1,52 @@
+class MappingController < ApplicationController
+  # GET mappings
+  def index
+  end
+
+  # GET mappings/new
+  def new
+    @mapping = Mapping.new
+    @user = current_user
+    respond_with(@mapping)
+  end
+
+  # POST mappings
+  def create
+    @user = current_user
+    @mapping = Mapping.new()
+    @mapping.user = @user
+    if params[:map]
+      if params[:map][:id]
+        @map = Map.find(params[:map][:id])
+        @mapping.map = @map
+      end
+    end
+    if params[:topic]
+      if params[:topic][:id]
+        @topic = Topic.find(params[:topic][:id])
+        @mapping.topic = @topic
+      end
+    else if params[:synapse]
+      if params[:synapse][:id]
+        @topic = Synapse.find(params[:synapse][:id])
+        @mapping.synapse = @synapse
+      end
+    end
+  end
+
+  # GET /mappings/:id
+  def show
+  end
+
+  # GET /mappings/:id/edit
+  def edit
+  end
+
+  # PUT /mappings/:id
+  def update
+  end
+
+  # DELETE /mappings/:id
+  def destroy
+  end
+end

config/routes.rb

@@ -39,6 +39,8 @@ ISSAD::Application.routes.draw do
     resources :synapses, :only => [:index]
 	  resources :maps, :only => [:index]
   end
+
+  resources :mappings
   
   # The priority is based upon order of creation:
   # first created -> highest priority.