Initial commit of foodsoft 2

app/models/supplier.rb

@@ -0,0 +1,67 @@
+class Supplier < ActiveRecord::Base
+  has_many :articles, :dependent => :destroy
+  has_many :orders
+  attr_accessible :name, :address, :phone, :phone2, :fax, :email, :url, :contact_person, :customer_number, :delivery_days, :order_howto, :note, :shared_supplier_id, :min_order_quantity
+	
+  validates_length_of :name, :in => 4..30
+  validates_uniqueness_of :name
+
+  validates_length_of :phone, :in => 8..20
+  validates_length_of :address, :in => 8..50
+  
+  # for the sharedLists-App
+  belongs_to :shared_supplier
+  
+  # Returns all articles for this supplier that are available and have a valid price, grouped by article category and ordered by name.
+  def getArticlesAvailableForOrdering
+    articles = Article.find(:all, :conditions => ['supplier_id = ? AND availability = ?', self.id, true], :order => 'article_categories.name, articles.name', :include => :article_category)
+    articles.select {|article| article.gross_price}
+  end
+  
+  # sync all articles with the external database
+  # returns an array with articles(and prices), which should be updated (to use in a form)
+  # also returns an array with outlisted_articles, which should be deleted
+  def sync_all
+    updated_articles = Array.new
+    outlisted_articles = Array.new
+    for article in articles.find(:all, :order => "article_categories.name", :include => :article_category)
+      # try to find the associated shared_article
+      shared_article = article.shared_article
+      if shared_article
+        # article will be updated
+        
+        # skip if shared_article has not been changed
+        unequal_attributes = article.shared_article_changed?
+        unless unequal_attributes.blank?
+          # update objekt but don't save it
+          
+          # try to convert different units
+          new_price, new_unit_quantity = article.convert_units
+          if new_price and new_unit_quantity
+            article.net_price = new_price
+            article.unit_quantity = new_unit_quantity
+          else
+            article.net_price = shared_article.price
+            article.unit_quantity = shared_article.unit_quantity
+            article.unit = shared_article.unit
+          end
+          # update other attributes
+          article.attributes = {
+            :name => shared_article.name,
+            :manufacturer => shared_article.manufacturer,
+            :origin => shared_article.origin,
+            :shared_updated_on => shared_article.updated_on,
+            :tax => shared_article.tax,
+            :deposit => shared_article.deposit,
+            :note => shared_article.note
+          }
+          updated_articles << [article, unequal_attributes]
+        end
+      else
+        # article isn't in external database anymore
+        outlisted_articles << article
+      end
+    end
+    return [updated_articles, outlisted_articles]
+  end
+end