added sites_cultivars.rb

app/controllers/sites_cultivars_controller.rb

@@ -0,0 +1,60 @@
+class SitesCultivarsController < ApplicationController
+  before_filter :login_required, :except => [ :show ]
+
+  require 'csv'
+
+  # GET /sites
+  # GET /sites.xml
+  def index
+    request.format = :xml if params[:format].nil?
+
+    # We have a lot of params and they or may not have to be
+    # passed as conditions this is my way of adding them to conditions
+    # if need be
+
+    conditions = {}
+    params.each do |k,v|
+      next if !SitesCultivars.column_names.include?(k)
+      conditions[k] = v
+    end
+    logger.info conditions.to_yaml
+    sitescultivars = SitesCultivars.where(conditions)
+
+    respond_to do |format|
+      format.xml { render :xml => sitescultivars }
+      format.csv { render :csv => sitescultivars }
+      format.json { render :json => sitescultivars }
+    end
+  end
+
+  # GET /cultivars/new
+  # GET /cultivars/new.xml
+  def new
+    sitescultivars = SitesCultivars.new
+
+    respond_to do |format|
+      format.xml { render :xml => sitescultivars }
+      format.csv { render :csv => sitescultivars }
+      format.json { render :json => sitescultivars }
+    end
+  end
+
+  # POST /cultivars
+  # POST /cultivars.xml
+  def create
+    sitescultivars = SitesCultivars.new(params[:sitescultivars])
+
+    respond_to do |format|
+      if citationssites.save
+        format.xml  { render :xml => sitescultivars, :status => :created }
+        format.csv  { render :csv => sitescultivars, :status => :created }
+        format.json  { render :json => sitescultivars, :status => :created }
+      else
+        format.xml  { render :xml => sitescultivars.errors, :status => :unprocessable_entity }
+        format.csv  { render :csv => sitescultivars.errors, :status => :unprocessable_entity }
+        format.json  { render :json => sitescultivars.errors, :status => :unprocessable_entity }
+      end
+    end
+  end
+
+end

app/models/cultivar.rb

@@ -7,9 +7,12 @@ class Cultivar < ActiveRecord::Base
   SEARCH_INCLUDES = %w{ specie }
   SEARCH_FIELDS = %w{ species.scientificname cultivars.previous_id cultivars.name cultivars.ecotype cultivars.notes }
 
+  has_many :sites_cultivars, :class_name => "SitesCultivars"
+  has_many :sites, :through => :sites_cultivars
+
   has_many :traits
   has_many :yields
-
+  
   belongs_to :specie
 
   validates :name,

app/models/site.rb

@@ -23,6 +23,9 @@ class Site < ActiveRecord::Base
 
   has_many :experiments_sites
   has_many :experiments, :through =>  :experiments_sites
+
+  has_many :sites_cultivars, :class_name => "SitesCultivars"
+  has_many :cultivars, :through =>  :sites_cultivars
 
   has_many :yields
   has_many :traits

app/models/sites_cultivars.rb

@@ -0,0 +1,16 @@
+class SitesCultivars < ActiveRecord::Base
+  self.primary_key = "id"
+
+  validates_presence_of     :cultivar_id
+  validates_presence_of     :site_id
+
+  belongs_to :cultivar
+  belongs_to :site
+
+  comma do
+    cultivar_id
+    site_id
+    created_at
+    updated_at
+  end
+end

config/routes.rb

@@ -171,6 +171,8 @@
     end
   end
 
+  resources :sites_cultivars
+
   resources :citations do
     member do
       get :search_sites